人教版九上 Unit 13 We are trying to save the earth!教案
Unit 13 We’re trying to save the earth!
一、教学目标：
1. 语言知识目标
基本词汇：litter, advantage, bottom, fisherman, coal, ugly, cost, wooden, plastic, takeaway, bin, shark, fin, method, cruel. Harmful, chain, ecosystem,
industry, law, scientific, afford, reusable, transportation, recycle,
napkin, upside, gate, bottle, president, inspiration, iron, work, metal,
creativity,
基本词组：be harmful to, at the top(of sth.), take part in, turn off, take action, throw away, put sth. to good use, pull… down, bring back
基本句型：We’re trying to save the earth!
The river used to be so clean.
The air is badly polluted.
No scientific studies have showed that shark fins are good for health.
We should help save the sharks.
2. 技能目标: 能正确运用现在进行时，现在完成时，被动语态，情态动词和used
to 句型。
3. 情感目标:有环境危机意识，学会关注环境保护环境。
二、教学重难点：
1. 教学重点：（1）能正确运用现在进行时，现在完成时，被动语态，情态动词
和used to 句型。
（2）保护环境的措施方法。
2. 教学难点：能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。三、教学步骤:
Section A 1 (1a-2d)
I. Presentation
Show the picture of the earth and tell students the earth is polluted now.
For example: (1) The factories that burn coal pollute the air with a lot of black smoke.
(2) Factories put waste into the river.
(3) People should throw away litter in the bin.
(4)There are more cars on the road.
II. Learning
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
noise pollution air pollution water pollution
____________ ___________ _____________
____________ ___________ _____________
____________ ___________ _____________
____________ ___________ _____________
Keys : noise pollution loud music planes mobile phones building houses
air pollution factories smoking cars building houses
water pollution ships rubbish littering factories
III. Listening
1. 1b Listen and complete the sentences.
Keys: really dirty rubbish fish litter waste government
close down clean up
2. Listen again and check (√) the sentences you hear.
1) We could go fishing in the river.
2) The river was really dirty.
3) The river has always been the nicest river in this town.
4) We should ask the teachers for help.
Keys: 2 3
IV. Practice
1. Role-play the conversation in 1c.
Mark: The river was dirty. Even the bottom of the river was full of rubbish. Tony: But it used to be so clean!
Mark: Yes, but people are throwing litter into the river.
Tony: Everyone in this town should play a part in cleaning it up!
2. Make conversations using the pollution in 1a.
A: The river has always been the nicest river in this town.
B: Yes, it used to be so clean.
A: But I was there last weekend and the river was really dirty.
B: What caused the problem?
A: People are throwing litter into the river.
B: What should we do?
A: Factories are also putting waste into the river.
B: Yes, everyone in this town should play a part.
A: We should write to the government and ask them to close down the factories. B: What else can we do?
A: Everyone should help to clean up the river.
V. Language points
1. We’re trying to save the earth!我们正在竭尽全力拯救地球!
try to do =try one’s best to do 努力去做某事。
e.g. Every student should try to study hard in order to study in a university.
为了进入大学学习，每个学生都应该努力学习。
2. Here are some words related to different kinds of pollution.
be related to 与…有关
e.g. I am not related to him in any way. 我和他无任何关系。
3. Everyone in this town should play a part in cleaning it up!
play a part in 在……方面起作用
e.g. A good diet plays a large part in helping people live longer.
健康的饮食在帮助人们长寿方面起着非常大的作用。
play a part 在……中扮演角色
e.g. He was invited to play a part in this TV play.
他被邀请参加这个电视剧的演出。
4. Even the bottom of the river was full of rubbish.
Yes, but people are throwing litter into the river.
litter 和rubbish 都可指“垃圾”，用作不可数名词。
rubbish 指“没用的东西(被扔或将要丢弃的无用的东西)”不可回收。
litter 指“(室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)”还可回收
e.g. Throw the rubbish out. 把垃圾扔出去。
The room is full of rubbish. 房间里堆满了垃圾。
Pick up your litter after a picnic. 野餐后将废弃物收拾好。
VI. Listening
1. 2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.
A. land pollution
B. air pollution
C. noise pollution
D. water pollution
Keys: B A
2. 2b Listen again and complete the sentences.
1) The air is badly polluted because there are ___________ on the road these days.
2) Factories that burn coal also ________ the air with a lot of black smoke.
3) There is also too much rubbish and waste. People _________________ things
every day.
4) People are also littering in ______________ like parks. This is turning beautiful places into ugly (丑陋) ones.
Keys: more cars pollute are throwing away public places
3. Listen and answer the questions.
1) Who is the interviewer talking to?
2) What are they talking?
3) What other problems do they see?
Keys: Susan and Jason.
The environmental problems.
There’s too much rubbish and waste in the streets.
VII. Practice (2c)
Use the information in 2a and 2b to role-play conversations between Jason and Susan. Jason: The air has become really polluted around here. I’m getting ver y worried. Susan: Yes, I used to be able to see stars in the sky.
Jason: The problem is that…
VIII. Discussion
Ask students what we should do to save the earth. Help students answer, turn off the lights when you leave a room; stop riding in cars; stop using paper towels or napkins; recycle books and paper.
IX. Reading
1. Read 2d and complete the chart.
2. Role-play the conversation.
Interviewer: Jason and Susan, what are your ideas for solving these problems? Jason: Well, to cut down air pollution, we should take the bus or subway instead of driving.
Susan: Yeah, or ride a bike. There are other advantages (优点) of bike riding. It’s good for healt h and it doesn’t cost (花费) anything!
Interviewer: Great ideas! What about waste pollution?
Susan: Mmm, I think simple things like bringing a bag to go shopping can help. I started doing that a year ago.
Jason: Me, too. Also, I never take wooden chopsticks or plastic (塑料) forks when I buy takeaway (外卖食品) food. I use the ones at home.
Susan: And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone.
Interviewer: So together, our actions can make a difference and lead to a better future! X. Summary and language points
1. This is turning beautiful places into ugly ones.
turn… into… 把……变成……
e.g. The icy rain seemed like to turn into snow.
渐渐地冻雨又变成雪花的模样。
2. It’s good for health and it doesn’t cost anything!
cost v. 花费；使付出
指花费金钱，主语通常是物。cost的过去式和过去分词均为cost。
e.g. The new shirt cost Mr Wang 200 yuan. 王先生花了200元买了新衬衫。
How much does the new computer cost? 新电脑花了多少钱？
take, spend, pay & cost
take，spend，pay和cost都可以表示“花费”，但它们的用法各有不同。
1) take多表示花费时间，常用于It takes sb. some time to do sth.这一句型中，其中it作形式主语。
e.g. It usually takes me 40 minutes to cook the dinner.
2) spend多表示花费时间和金钱，主语通常是人，常用于sb. spend(s) some time
/ money on sth.和sb. spend(s) some time / money (in) doing sth.两种句型。
e.g. David spent 2,000 yuan on the new machine.
My father spends an hour (in) watching the news on TV every day.
3) pay多表示花费金钱，主语通常是人，常用于sb. pay(s) some money for sth.
句型。
e.g. Tommy paid 20 yuan for his breakfast yesterday.
4) cost多表示花费金钱，主语通常是物，常用于sth. cost(s) (sb.) some money. 句
型。
e.g. The new dress cost Linda 88 yuan.
根据句意用take, spend, pay或cost的适当形式填空。
1) That new car ________ them lots of money.
2) Mona __________ 50 yuan on the books just now.
3) It usually _______ me an hour to do my homework.
4) You should __________ some time practising your pronunciation.
5) My brother _______ 6, 000 yuan for the new computer yesterday.
Keys cost spent takes spend paid
3. So together, our actions can make a difference and lead to a better future!
make a difference (to…)表示(对……)产生影响或作用
e.g. Do you think his words would make any difference to the final decision?
你认为他的话会对最后的决定产生影响吗？
The new teacher always encourages little Tom. This has made a big difference to him.
新来的老师总是鼓励小汤姆，这对他影响很大。
XI. Exercises
用动词的适当形式填空。
1) We’re trying _______ (save) the earth.
2) There used to_____ (be) clean and beautiful.
3) There are too many ______ for ________to catch (fish).
4) It’s bad for environment to use _________ (wood) chopsticks.
Keys: to save be fish fishermen wooden
XII. Think about
The earth is badly polluted. Please make a poster and think of what we can do.
XIII. Homework
1. Copy the new words and remember them.
2. Read the listening materials of 1b, 2a.
Section A 2 (3a-3c)
I. Revision
(1)Role-play 2d.
(2)Translate these sentences into English.
①甚至是河底都满是垃圾。
②这个小镇上的每个人都应该参加打扫。
③骑自行车有其它的优点。
④我买外卖食品从来不拿木筷子和塑料叉子。
II. Lead in
(1) Teacher tells students the earth is badly polluted. What should we do to save
the earth? Let’s take action. For example:
①Turn off the lights when you leave a room;
②Take buses instead of driving cars
③Recycle books and paper.
(2) There are some animals are endangered. We should do something to protect
the animals and the environment!
III. Discussion
(1) Have you ever seen a shark?
(2) What do you know about sharks?
IV. Reading
(1)Sharks are endangered, read the passage and judge the sentences.
①Shark’s fin（鱼鳍）soup is famous and expensive all around the world.
②We have to kill a whole shark to get a bowl of shark’s fin soup.
③People cut off sharks’ fins and throw the sharks back into the ocean.
④Sharks are in the bottom of the food chain in the ocean’s ecosystem.
⑤WildAid and the WWF are environmental protection groups in China.
⑥Shark’s fin s are good for health.
(2)Complete the fact sheet in 3a.
V. Practice (3b)
(1) Read the passage and dill in the blanks with the words in the box.
1. Many people do not realize they are killing a whole shark ______ they
enjoy a bowl of shark fin soup.
2. Sharks are at the top of the food chain, ____ if their numbers drop, the
ocean’s ecosystem will be in danger.
3. Many think that sharks are too strong to be endangered, _____ they are
wrong.
4. _________ there are no scientific studies to support this, a lot of people
believe that shark fins are good for health.
5. Sharks may disappear one day ___ we do not do something to stop the sale
of shark fins.
(2) Retell the passage according to the words below.
shark’s fin soup, in southern China
each time cut off no longer not only…but also…
at the top drop be endangered the strongest
around 70 million fallen by over 90 percent WildAid and the WWF
develop laws scientific studies
VI. Language points
1. A shark can no longer swim and slowly dies. 鲨鱼不能再游泳然后慢慢死掉。
no longer意思是“不再”
e.g. I’m no longer a student.我不再是个学生了。
有两个短语和no longer同义，即not…any longer和not…any more，但他们侧重的方面不同。
no longer和not…any longer侧重时间。
e.g. He no longer lives here.= He doesn’t live here any longer.
他不在这儿居住了。(一个时间以前他住在这儿，过了这个时间，他就离开了。)
not…any more侧重侧重程度和数量
e.g. You can drink no more. = You can’t drink any more.
你不能再喝了。(喝酒的量到了一定程度，不能再继续下去了。)
2. This method is not only cruel, but also harmful to the environment.
这种方法不但残忍而且对环境有害。
not only…but also…
用于连接两个表示并列关系的成分，着重强调后者，其意为“不仅……而且……”; 其中的also有时可以省略。
e.g. 1) She not only plays well, but also writes music.
她不仅很会演奏，而且还会作曲。
2) Not only men but also women were chosen.
不仅仅是男的，女的也有被选中的。
若连接两个成分作主语，其谓语通常与靠近的主语保持一致。
e.g. Not only you but also he has to leave. 不只是你，他也得离开。
not only放在句首，后接句子时要用倒装结构。
e.g. Not only had the poor man been fined, but also he had been sent to prison.
这个可怜的人不仅被罚款，而且还被送进了监狱。
be harmful to 对… 有害
e.g. Smoking is harmful to the health. 吸烟有损健康。
Playing computer games much is harmful to students.
电脑游戏玩太多对学生有害。
3. Sharks are at the top of the food chain in the ocean’s ecosystem.
鲨鱼位于海洋生物系统食物链的顶部。
at the top of 在...最高地位; 用最高[最大]的(速度, 声音等)
e.g. I looked at the top of his head, his hair shiny and parted smoothly.
我看他的头顶, 头发光亮, 分得平滑。
He shouted at the top of his voice in order that he might be heard.
他尽力大声叫喊, 以便别人能听见。
4. If their numbers drop too low, it will bring danger to all ocean life.
如果它们的数目降至过低，会给所有海洋生物带来危险。
此句复数形式的number表达全海洋中鲨鱼的总量。当表示数值的高或低时，number要用high或low修饰。
e.g. In that country, the number of children going to school is higher in cities than
in towns and village.
在那个国家，城市儿童入学人数比乡镇及农村要高。
常与number搭配的动词有grow, fall等。
e.g. The number of families that own cars has been growing quickly recently.
近来拥有轿车的家庭数量增长很快。
5. Environment protection groups around the world, such as WildAid and the WWF, are teaching the public about “finning”.
世界各地的环境保护组织，如野生救援协会和世界自然基金会，都在教育公众有关“猎翅”的行为。
1) 句中fin本为名词，指“鱼鳍”。此句中的finning由动词化的fin（割鲨鱼鳍
以获取鱼翅）的-ing形式转化而成，指课文中所陈述的“猎翅”这一行为。
2) WildAid和WWF组织
WildAid（美国野生救援协会）是保护野生动物及栖息地环境的一个非盈利性的机构，1999年注册成立，其宗旨是保护及救助世界范围内的野生动物；WWF（世界自然基金会）英文全称为World Wide Fund for Nature，成立于1961年，是享有国际盛誉，全球最大的独立性非政府环境保护组织之一。
VII. Homework
Write 5 measures to protect the environment.
Section A 3 (Grammar Focus-4c)
I. Revision
1. Check if you know these phrases.
①不同种类的污染②河底
③把垃圾扔到河里④在…中起作用
⑤在中国南部⑥对……有害
⑦在……顶部⑧海洋生态系统
2. Translate these sentences into English.
①甚至是河底都满是垃圾。
②这个方法不仅残酷还对环境有害。
③鲨鱼处于海洋食物链的顶部。
④许多人相信鱼翅对健康有好处。
II. Grammar Focus
Pay attention to the sentences.
1) We’re trying to save the earth.
2) The river used to be so clean.
3) The air is badly polluted.
4) No scientific studies have shown that shark fins are good for health.
5) We should help save the sharks.
1. 现在进行时: Present Progressive
定义：表示说话时（瞬间）正在进行的动作，也表示目前或现阶段一直进行的动作。
结构: be (am/is/ are) + v.-ing
标志词：Look, Listen, now, right now…
e.g. Look! The boy is crying.
2. used to do与be used to doing
used to do sth. 表示过去常常做某事, 而现在往往不做了, 后接动词原形。
be used to doing sth. 表示习惯于做某事。
e.g. I used to get up at six o’clock.
Joe is used to drinking a cup of coffee every morning.
3. 被动语态：Passive voice
定义：表示主语是动作的承受者，即行为动作的对象的一种语态。
结构：be + 过去分词
e.g. A new school was built last year.
Our classroom is cleaned every day.
4. 现在完成时: Present Perfect
定义：表示动作已经完成, 但对现在造成影响; 或者表示从过去某一时间开始一直延续到现在并还可能持续下去的动作。
结构: has/have + 过去分词
标志词：already, yet, ever, never, since, for…
e.g. I haven’t finished my homework yet.
5. 情态动词
1) 情态动词本身有一定的词义，表示说话人的情绪、态度或语气，但不能单
独作谓语，只能与其他动词构成谓语。常见的有：can (could), may (might), must, need, shall (should), will (would)等。
2) 情态动词无人称和数的变化, 后接动词原形。否定式是在情态动词后面加
not。个别情态动词有过去式形式, 可用来表达更加客气、委婉的语气。
e.g. Ken can climb up the tress like a koala.
Tracy could ride a bicycle when she was five years old.
You mustn’t play with fire. It is dangerous.
III. Practice
1. Work on 4a. Fill in the blanks with the correct forms of the verbs in brackets.
Joe: _____ you ever ______ (take) part in an environmental project ?
Eric: Yes, I have. I ______ (help) with a Clean-Up Day last year. It was _________ (consider) the biggest clean-up project this city ____ ever
____ (have).
Joe: How many people ____ (take) part?
Eric: I _______ (think) more than 1,000 people ______ (come) to help out.
Joe: That’s fantastic! I guess everyone in this city is ______ (try) to improve the environment.
Eric: Yes, we can’t afford to ____ (wait) any longer to take action!
Learn some new words and expressions.
2. Work on 4b. Fill in the blanks with the appropriate modal verbs from the box. The words are:
People __________ think that big things ______ be done to save the earth. Many forget that saving the earth begins with small things. For example, you ____ save electricity by turning off the lights when you leave a room. You ______ also use reusable bags instead of plastic bags. I think it’s a great idea that you now ______ pay for plastic bags in some stores. And instead of driving to school or work, you __________ ride your bike or walk. If it’s far, you __________ take the bus. All these small things ______ add up and become big things that ______ improve the environment. Let’s take action now!
Learn some new words and expressions.
3. Work on 4c. Make a list of things that people can do to help the environment and
discuss your list with your partner.
use public transportation (n.交通运输);
turn off the lights when you leave a room;
use reusable bags instead of plastic bags;
ride your bike or walk to school or work;
stop using paper napkins;
recycle books and paper
…
4. Discussion.
A: I think that everyone should use public transportation.
B: I disagree. It’s difficult for parents with young children to use public tran sportation…
IV. Language points
1. We can’t afford to wait any longer to take action!
afford v.承担得起；提供, 给予
afford to do sth. (常与can, be ble to连用) 买得起；有足够的……
e.g. We can’t afford to pay such a price.我们付不起这个价钱。
Dancing affords us pleasure. 跳舞给我们带来快乐。
2. …save electricity by turning off the lights when you leave a room. turning off 关掉
e.g. Please turn the television off before you go to bed.
睡觉前请关掉电视。
拓展：turn相关短语
turn around 转身
turn up 调高（音量）
turn down 调低；拒绝
turn into 变成；进入
turn on 打开，发动
turn off 关掉，关闭
turn out to be 结果是
turn over 移交
V. Homework
Finish the exercises in the workbook.
Section B 1 (1a—2e)
I. Revision
Role-play this conversation.
A: I think that everyone should use public transportation.
B: I disagree. It’s difficult for parents with young children to use public transportat ion…
A: But we can do other things. For example, we can go to school on foot.
B: You are right. We should turn off the lights when we leave the room.
II. Leading in
(1) Tell students we should do these things to protect the environment.
Turn off the lights when you leave a room;
Stop riding in cars;
Stopping using paper towels or napkins;
Recycle books and paper.
Turn off the shower while you are washing your hair.
You can help reduce pollution by putting that soda can in a different bin.
Don’t use paper napkins.
(2)What can we do to help save the earth? Rank these items from the easiest (1)
to the most difficult(5). (1a)
______stop riding in cars
______recycle books and paper
______turn off the lights when you leave a room
______turn off the shower while you are washing your hair
______don’t use paper napkins
(3) Compare your answers in 1a with your partner.
III. Listening 1c&1d
(1)Listen and check (√) the things that Julia and Jack talk about.
(2)Check ( ) the things that Julia is doing now, the things she will do in the
future and the things she would never do.
(3)Check the answers with the whole class.
(4)Listen again and answer the questions below.
①Who read a book?
②Would Julia turn off the shower when she is washing the hair?
③Does Jack live close to school?
Get one student to write the answers on the blackboard.
Keys: Jack.
No, she would never do that.
Yes, he does.
IV. Practice
(1)Make a conversation using the information from the chart in 1c. Say what is
true for you.
(2)Guessing game
Show some pictures to students and get them to guess what these things are
made from.
V. Reading
Use pictures to presentation the new words.
(1)Read the passage and answer the questions below
①Who is Amy Hayes?
②How many people are mentioned in the passage? Who are they?
Keys: She is a unusual woman in the UK.
Three. They are Amy Hayes, Jessica Wong and Wang Tao.
(2)Read the passage and complete the chart below.
Keys:
Amy Hayes
?windows and doors of old buildings that have been pulled down
?an old boat
?rocks
?old glass bottles（n.瓶子）
a house
Jessica Wong
old clothes; especially old jeans
bags
Wang Tao
iron (n.铁) and other materials from old cars
beautiful art pieces
(3)Read paragraph 2 and answer the questions.
①Did she win an award? What was it from?
②Where did her windows and doors come from?
③What does the sentence “she l ives in a house in the UK that she built herself
out of rubbish” mean?
Keys:
Yes, she did. It was from the Help Save Our Planet Society.
They came from old buildings around her town that were pulled down.
她住在英国，房子是她自己用废弃物建造而成。
(4)Read paragraph 3 and answer the questions.
①Is Jessica Wong good at recycling? What does she do?
②Where does she sell her bags?
③What will she write in her book?
Keys:
Yes, she is. She uses old clothes that people don’t wear anymore to make bags.
Her shop and website.
New ways to use old clothes.
(5)Read paragraph 4 and answer the questions.
①What does Wang Tao hope to set up? Why?
②Translate the sentence “Not only can the art bring happiness to others, but it
also shows that even cold ,hard iron can be brought back to life with a little
creativity .” into Chinese.
Keys:
A “metal art” theme park.
Because he wants to show people the importance of environmental
protection.
艺术不但可以给人们带来快乐，而且也说明只需要一点创造力，即使是
冰冷、坚硬的铁也可产生活力。
VI. Language points
1.Do you often throw away things you d on’t need anymore?
1) throw away扔掉，丢弃浪费(机会、优势或好处)
e.g. I never throw anything away. 我从来不扔任何东西。
2) 错过(机会等)，放过；未能很好利用(机会等)
e.g. Don’t throw away this opportunity.不要错过这个机会。
3) 浪费(时间、金钱等)乱花(钱等)
e.g. It will be time and money thrown away. 这将是浪费时间和金钱。
2. Have you ever thought about how these things can actually be put to good use?
put sth. to good use 好好利用
e.g. Your creative talents can also be put to good use, if you can work up the
energy. 如果你能让自己精力充沛起来，你的创作才能也能得到很好的发挥。
3. She lives in a house in the UK that she built herself out of rubbish.
build/make ... out of 用……建造/制造
e.g. He built a model ship out of wood. 他用木头造了个模型船。
Some birds build nests out of twigs. 一些鸟用小枝筑巢。
4. The top of the house is an old boat turned upside down.
turned upside down 意为“被翻转过来的；被颠倒过来的”，做后置定语修饰boat。
e.g. Tony had an upside-down map of Britain on his wall.
托尼的墙上倒挂了一张英国地图。
The lid, turned upside down, served as a coffee table.
那个盖子被翻过来当作咖啡桌。
5. And the gate in front of her house is made of rocks and old glass bottles.
be made of和be made from都表示“由……制成”，但二者的用法有区别。be made of常常表示原材料未发生化学变化，从成品中仍可看出原材料；而be made from 常常表示原材料经过化学变化，从成品中看不出原材料。
e.g. The desks and chairs are made of wood. 这些课桌椅是木材制成的。
This kind of wine is made from wheat. 这种酒是用小麦制成的。
6. He is known for using iron.
be known for 因……而著名
be known as 作为……而著名
be known to 对于某人来说是著名的
e.g. He was known for his friendly. 他以友好而著称。
人教版九年级英语下册全册教案
Unit 11 Sad movies make me cry. Language Goal 【语言目标】 Talk about how things affect you Knowledge Goals 【知识目标】 Key Words drive，friendship，king，power，banker，pale，queen， examine，nor，palace，wealth，grey，lemon，uncomfortable， weight，shoulder，goal，coach，kick，courage，pull， nod，agreement，disappoint Key Phrases would rather，drive sb.crazy/mad，the more…the more…， be friends with sb.，leave out，call in，neither…nor…， to start with，let…down，kick sb.off，be hard on sb.，rather than，pull together Key Sentences 1.The loud music makes me nervous. 2．Sad movies don't make John cry. 3．Money and fame don't always make people happy. 4．She said that the sad movie made her feel like crying. Key Grammar Learn to use “make＋sb.＋infinitive without to；make ＋sb.＋adj.” Ability Goals 【能力目标】 1.Develop listening，speaking，reading and writing skills by using the target languages. 2．Learn to talk about how things affect you by using “make sb.do sth.”and “make sb. adj.”. Moral Goals 【情感目标】 With the help of this unit's study，students should know that things affect our feelings.We should treat it correctly and be happy and active in our life. Teaching Time 【课时】 Five periods Period 1 Section A(1a－2d) Period 2 Section A(3a－4b) Period 3 Section B(1a－1e) Period 4 Section B(2a－2e) Period 5 Section B(3a－3b) & Self Check 本单元围绕情感的话题，通过学习让学生能够表达自己的感受。Section A通过谈论不同事物对情绪的影响，要求学生学习与情感有关的词汇，并通过听说读写逐步掌握make作使役动词的语言结构，学习掌握表达情绪和感受的形容词和动词，学习make＋sb.＋do sth.和
初三中考班主任工作总结
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积极向上,充满了活力。 二、把关爱送给每一个学生 高尔基说“谁爱孩子，孩子就爱谁，只有爱孩子的人，他才可以教育好孩子。”在班主任的工作实践中，我深深体会到，对学生的热爱是教育的基础和前提，没有爱就没有教育。大凡考生都有这样的体会，临近考试，或多或少都会有些紧张，更需要老师的安慰、鼓励和理解。为了使学生更安心、更平静地投入到复习中去，我给他们更多的是关爱，尤其是后进生，尽量给他们多一点鼓励，多一点理解，多一点温暖，多一点希望。做到思想心理上积极引导，学习上热心帮助，多与他们聊聊学习方法，生活上关怀体贴，尽量不要让学生对老师有偏心的感觉，老师是爱他们每一个的，同时也让他们体会到老师对他们的一切都是为他们好。对学生强烈的爱，不仅赢得学生的信任、理解、支持和尊重，拉近了师生之间的感情距离，形成了亲密无间的师生关系，他们也懂得了理解老师、体谅老师、关心老师，而且还能鼓舞和鞭策学生，使他们奋发向上，努力拼搏，以不辜负老师的期望，有利于掌握学生的思想动态有针对性地进行教育。为做好班级管理工作奠定坚实的基础。 三、加强学生心理辅导，增强学生自信心 对学生的心理辅导和自信心的培养是我在这个班级一成立后就开始有计划进行。因为我深知非智力因素好坏对学生的学习影响是至关重要的，有时甚至是至命，因此作为为班主任要时常深入学生实际，即勤到位，善于体察学生内心的愿望、困惑和情绪，鼓舞士气、
人教版九年级数学上学期期末考试试卷及答案
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人教版英语九年级语法知识点
1. by + doing 通过……方式如：by studying with a group by 还可以表示："在…旁","靠近","在…期间"、"用,""经过","乘车"等如：I live by the river. I have to go back by ten o'clock. The thief entered the room by the window. The student went to park by bus. 2. talk about 谈论，议论，讨论 如：The students often talk about movie after class. 学生们常常在课后讨论电影。talk to sb. === talk with sb. 与某人说话 3. 提建议的句子： ①What/ how about +doing sth.? 如：What/ How about going shopping? ②Why don't you + do sth.? 如：Why don't you go shopping? ③Why not + do sth. ? 如：Why not go shopping? ④Let's + do sth. 如：Let's go shopping ⑤Shall we/ I + do sth.? 如：Shall we/ I go shopping? 4. a lot 许多常用于句末如：I eat a lot. 我吃了许多。 5. too…to 太…而不能常用的句型too+adj./adv. + to do sth. 如：I'm too tired to say anything. 我太累了，什么都不想说。 6. aloud, loud与loudly的用法三个词都与"大声"或"响亮"有关。 ①aloud是副词,重点在出声能让人听见,但声音不一定很大, 常用在读书或说话上。通常放在动词之后。aloud没有比较级 形式。如: He read the story aloud to his son.他朗读那篇故事给他儿子听。 ②loud可作形容词或副词。用作副词时,常与speak, talk, laugh等动词连用,多用于比较级,须放在动词之后。如: She told us to speak a little louder. 她让我们说大声一点。 ③loudly是副词,与loud同义,有时两者可替换使用,但往往 含有令人讨厌或打扰别人的意思,可位于动词之前或之后。 如: He does not talk loudly or laugh loudly in public. 他不当众大声谈笑。 7. not …at all 一点也不根本不如： I like milk very much. I don't like coffee at all. 我非常喜欢牛奶。我一点也不喜欢咖啡。 not经常可以和助动词结合在一起，at all 则放在句尾 8. be / get excited about sth.=== be / get excited about doing sth. === be excited to do sth. 对…感兴奋如： I am / get excited about going to Beijing.=== I am excited to go to Beijing. 我对去北京感到兴奋。 9. ①end up doing sth 终止做某事，结束做某事如： The party ended up singing. 晚会以唱歌而结束。 ②end up with sth. 以…结束如： The party ended up with her singing. 晚会以她的歌唱而告终。 10. first of all 首先. to begin with 一开始later on 后来、随 11. also 也、而且（用于肯定句）常在句子的中间 either 也（用于否定句）常在句末 too 也(用于肯定句) 常在句末 12. make mistakes 犯错如：I often make mistakes. 我经常犯错。
初三班主任工作总结
初三班主任工作总结 一、培养学生积极健康的心理。 在平时的教育教学中，我坚持以鼓励为主。鼓励会使学生的心态更加积极，更加开放。鼓励的方式多样，一句热情的话语，一个赞许的眼神，一次亲切的抚摸，都能让学生心荡涟漪，如沐春风。学生在老师的鼓励下，更倾向于作积极的尝试。如果在尝试中体验到成功，从此便有可能努力向上前进。老师对学生的鼓励以及对学生通过努力后取得成绩的肯定，可以不断筑高学生的起点，而学生也有了自己前进的动力。另外，班主任帮助学生树立目标，有了目标学生前进就不会迷失方向，更能够以积极的心态迈出坚定的步伐。班主任不但帮助学生树立目标，更要让学生自己学会制定目标。让学生学会激励自己，随时调整自己。 二、改变形象，让教育形式贴近学生。 原先总认为班主任在学生面前应该板着脸，让学生怕你，这样学生才会服贴，班风才能纯正。现在看来并非如此，在不影响正常工作和学习的前提下，班主任放下师长的架子，和学生开开玩笑，套套近乎，师生“打成一片”。这样，一句亲切友好的玩笑往往让师生间的心灵拉得更近，学生会从内心真正敬重、亲近班主任。班主任便能更好的开展教育工作。学生也会更乐意接受班主任善意的批评教导，从而减免“口服心不服”的现象。 原先在做学生思想工作时，常感觉大道理已说尽，自己劳力费神，苦口婆心，而学生却无动于衷，厌烦乏味。这往往是大道理太过枯燥，缺少血肉。后来学着以他人事例和自身体验为参照，现身说法。动之以情，晓之以理，以平等民主谈心的方式和学生推心置腹，与学生互动共鸣。却恰恰起到“事半功倍”的效果。 三、抓好学生日常行为规范，及时发现解决问题。 每到初三，许多学生开始在思想上出现较大的变化。不少学生已经进入“青春反叛期”，他们常常自认为已经长大，对条条框框的限制约束表示很反感，因而在思想上有很多的麻痹松懈。作为班主任，我适时在学期伊始之际，召开主题班会，让学生交流体会遵规守纪的重要性，从思想上给学生深刻的认识。在实际工作中，狠抓日常学习生活中不守纪律的现象。如课上睡觉，旷课迟到，打架骂人，不做作业，顶撞老师等行为。让学生“换位”思考，并积极教育引导。让学生在反省中受教育，培养自己良好的行为习惯。尤其针对初三学生的思想复杂偏激，情绪多变的特点，班主任要及时发现存在的问题，同学生交流谈心，排解问题。同时班主任应多观察,多调查,抓住事情的苗头,防微杜渐,防患于未燃。 四、抓好后进生转化工作。 后进生大致分成三种类型：一是学习差生，表现为无心向学，沉闷寡欢。二是思想品德差生，表现为沾染上不良风气，违反校纪班规，随心所欲，难以自控。三是“二合一”的双差生，人数不多，但负面影响很大。而这样的学生又以留守学生居多，家庭隔代教育不力，往往导致这些学生任意放纵。并且在大多时候又很难取得家庭与学校教育配合统一，对待这些学生更需要班主任倾注心血和爱心，使其转化。 我在差生转化工作中从以下几个方面做起：
最新人教版九年级数学上册期末试卷及答案
九年级上期数学期末检测 一、精心选一选（每小题3分，共30分） 1、下列函数中，自变量x 的取值范围是x ≥2的是（ ）。 A. y=x --2 B.y= x x 2 - C.y=24x - D.y=2 1--x 2．如图中∠BOD 的度数是（ ） A ．55° B ．110° C ．125° D ．150° 3.如图，⊙O 是△ABC 的内切圆，切点分别是D 、E 、F ，已知∠A=100°，∠C=30°，则∠DFE 的度数 是（ ） A.55° B.60° C.65° D.70° 第2题 第3题 4.有一个不透明的布袋中，红色、黑色、白色的玻璃球共有40个，除颜色外其它完全相同。小李通过多次摸球试验后发现其中摸到红色、黑色球的频率稳定在15%和45%，则口袋中白色球的个数很可能 是（ ） A ．6 B ．16 C ．18 D ．24 5．化简x x 1 - 得（ ）。 A.x -- B.x - C.x - D.x 6．一元二次方程ax 2+bx+c=0中，若a >0，b <0，c <0，则这个方程根的情况是（ ）。 A.有两个正根 B.有两个负根 C.有一正根一负根且正根绝对值大； D.有一正根一负根且负根绝对值大。 7．在⊿ABC 中，∠A ＝50°，O 为⊿ABC 的内心，则∠BOC 的度数是（ ）。 A.115° B.65° C.130° D.155° 8．关于x 的一元二次方程（k-1）x 2－2x ＋3=0有两不等实根，则k 的取值范围是（ ）。 A.k < 34 B.k <34 且k ≠1 C.0 阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。 A There are four people in my family. They are my parents, my elder brother and I. My mother is 1 house wife, and she works the 2 (hard) in my family. I 3 (usual) help her with the housework on weekends. My father is a 4 (teach). He has many lovely 5 (student). And he loves his job very much. My brother is 6 actor. He has 7 (work) for five years and he lives in another flat 8 (lonely) now. He often 9 (invite) us to go to his home to have dinner. I am a middle school student. I enjoy 10 (play) tennis in my spare time. My family members have a close relationship. I have a happy family. B My parents care about my study very much. When I do very well in 1 exam, my parents celebrate 2 for me. My mother usually cooks a delicious meal 3 my father always 4 (give) me a book as a present. He knows that I am 5 (interest) in reading books very much. But they also think it is important to develop 6 (person) independence. For example, some parents don’t expect their children to do the housework at home. Because they think 7 most important thing for them is to study well. But my parents have different 8 (opinion). They always ask me to help 9 the housework at home. So I can look after 10 (I) well. C Today is Saturday. Tom seems 1 (happily) because he doesn’t need to go to school. After 2 (eat) breakfast, he wants to go ouside to play, but it is 3 (rain) now. Tom feels sad. At the moment, Tom’s father asks Tom to play chess with him. Tom turns 4 (excite) after hearing that. In the afternoon, Tom and his parents watch TV together. The TV programmes are 5 (interest). D Susan had a problem and it worried her a lot. Last Sunday, 1 friend Ben came to her home to do the homework 2 her. After they finished their homework, it started to rain. Susan 3 (lend) her umbrella to Ben, 4 Ben hasn’t returned 5 to her yet. Susan’s grandmother gave the umbrella to Susan as her 6 (thirteen) birthday gift and it is very special to Susan. Susan felt 7 (embarrass) to talk about it to Ben. She had no idea what to do next. Her father told her maybe Ben has forgotten it and he suggested Susan should tell Ben the 8 (true). Now, Susan 9 (decide) to follow her father’s advice. She thinks Ben will be very happy to give 10 umbrella back. E My father died when I was 1 little kid. We were too poor 2 buy food. My mother got two part-time jobs to pay for 3 education. She did everything to make me live 4 (happy). At 5 age of twenty-two, I found a good job. However, a few 6 (month) later, the doctor told me I had a stomach cancer. It’s difficult for 7 (I) to accept the fact. My mother 8 (cook) simple but delicious food for me. After another CT, the doctor told me my tumor (肿瘤) got much 9 (small) than before, and I was away from the 10 (dangerous) of the cancer. F Mark Twain is one of the famous American 1 (write). Once he 2 (be) going to Dijon by train. There were many 3 (passenger) on the train. He was 4 (tire) and wanted to sleep. He asked the conductor (列车员) to wake him up when they came to Dijon. He explained he was 5 very heavy sleeper. “I’ll 6 (probable) get very angry at first, 7 do not take any notice. Just put me off the train.” Mark Twain went to sleep. After waking up, he 8 (find) that he was in Paris. He realized the conductor didn’t wake him up at Dijon. He 9 (run) up to the conductor and said, “I have never been so angry in all my life,”The conductor looked at him calmly. “You are not half so angry as 10 American whom I put off the train at Dijon,” she said. 德育工作总结 本学期，我担任九年三班班主任工作，我倾注了自己的全部的精力和爱心，班级在各方面工作都取得了优异的成绩，班级管理得井井有条，特别是在班风和学生品德方面更是有了很大的收获,现在我把自己的做法总结一下。 树立良好的班风 一个班级的班风如何，直接影响着这个班级的各方面工作,影响着学生的品格形成。我深知班风的重要性，所以在开学的第一天,我就教育学生要爱学校,爱班级。在平常的工作生活中,我时刻注意培养学生的集体荣誉感，每当班级在学习上取得了好成绩,我就鼓励他们,表扬他们，和他们一起庆贺。当班级出现问题，学生犯了错误,我就和他们一起分析原因,找不足，一起加油,争取下次赶上来。在长期这样的氛围中，学生们有了非常强烈的集体荣誉感,班级整体风气积极向上,充满了活力。 培养良好的品格 我一直认为，中学时期,培养良好学生的品格是最为重要的。在平常的工作生活中,我非常注重学生品德方面的教育。我经常对孩子们说，只要是人就会犯错误,就连老师都有做错事的时候,更别说你们小孩子了,所以老师允许你们犯错误,但有了错误一定要承认,要改正，由于我的这种观念，这种教育方法,使我们班学生全班都有了一个最明显的特点,那就是诚实。在教育学生诚实的基础上，我对学生的行为习惯、文明礼貌、思想品格等方面逐步渗透，用自己的行为给他们树立榜样，对于我们班学生来说，我觉得他们在思想品德、行为习惯方这方面是非常优秀的。 架起爱心的桥梁 爱学生,才能赢得学生的认可,才能更好的教育学生。 1、了解学生。 初建新班，了解学生从了解学生家庭开始。父母的年龄、职业、家庭住址、生活状况，做到了如指掌。接着就要了解孩子的兴趣、爱好、特点,他们有什么毛病，需不需要照顾;了解孩子的学前教育情况，以便因材施教。 2、关怀学生。 入冬以后，孩子感冒的比较多,有时一天有好几个请假的的。每天晚上我都给生病的孩子家长打电话询问孩子的情况。 ３、尊重学生。 尊重、理解、信任学生是消除教育盲点的基础。尊重学生要尊重学生的人格，只有这样,学生才能与教师缩小心理距离,学生才会对教师产生依赖感。在平常的工作中，我与学生像朋友般相处,遇到事情都与他们商量,与他们讲道理，请他们帮我做事情我会说谢谢，当我做错了事情会向他们道歉。在长久的这种交往中，孩子们喜欢我，愿意和我说心里话，有了事情会大胆发表自己的看法,做事有主见,我觉得这是沟通的基础,也是我成功教育的最大原因。 教师的责任不仅在于教授学生知识,更在于引导他们学会生活和生存的基本技能，及做人的基本行为准则。刚分班的学生，不知天高 地厚，只会随心所欲地玩闹。我先用各种形式进行常规的教育，不仅使他们了解了一日常规,而且，对他们也有提醒的作用。并且不失时机地抓住一切可以利用的机会进行常规教育,如:班会上、晨会上,我让他们时刻有常规意识。但这是远远不够的,他们的自觉性不强，还需要时刻不放松地“看”。做操时，我先站到队伍前面，站在那儿,然后目视他们动作，还要不时地提醒，某某站整齐点,某某手 最新人教版九年级数学上册期末试题及答案2套 期末数学试卷1 一、选择题（每小题3分，共30分） 1．观察下列图形，既是轴对称图形又是中心对称图形的有（） A．1个B．2个C．3个D．4个 2．解方程2（5x﹣1）2=3（5x﹣1）的最适当的方法是（） A．直接开平方法 B．配方法C．公式法D．分解因式法 3．二次函数y=（x+3）2+7的顶点坐标是（） A．（﹣3，7）B．（3，7）C．（﹣3，﹣7）D．（3，﹣7） 4．下列事件中，是不可能事件的是（） A．买一张电影票，座位号是奇数 B．射击运动员射击一次，命中9环 C．明天会下雨 D．度量三角形的内角和，结果是360° 5．如图，∠A是⊙O的圆周角，∠A=40°，则∠OBC=（） A．30° B．40° C．50° D．60° 6．下列语句中，正确的有（） A．在同圆或等圆中，相等的圆心角所对的弧相等 B．平分弦的直径垂直于弦 C．长度相等的两条弧相等 D．圆是轴对称图形，任何一条直径都是它的对称轴 7．如图，将△ABC绕点C旋转60°得到△A′B′C，已知AC=6，BC=4，则线段AB扫过的图形的面积为（） A．πB．πC．6πD．π 8．若函数y=2x2﹣8x+m的图象上有两点A（x1，y1），B（x2，y2），若x1＜x2＜﹣2，则（）A．y1＜y2B．y1＞y2 C．y1=y2 D．y1、y2、的大小不确定 9．如图，直线AB、CD、BC分别与⊙O相切于E、F、G，且AB∥CD，若OB=6cm，OC=8cm，则BE+CG的长等于（） A．13 B．12 C．11 D．10 10．已知：关于x的一元二次方程x2﹣（R+r）x+d2=0有两个相等的实数根，其中R、r分别是⊙O1、⊙O2的半径，d为两圆的圆心距，则⊙O1与⊙O2的位置关系是（） A．外离 B．外切 C．相交 D．内含 二、填空题（每小题3分，共15分） 11．方程kx2﹣9x+8=0的一个根为1，则k= ． 12．甲、乙、丙三人站成一排合影留念，则甲、乙二人相邻的概率是． 13．有一人患了流感，经过两轮传染后共有100人患了流感，那么每轮传染中平均一个人传染给个人． 14．抛物线y=﹣x2+bx+c的部分图象如图所示，若y＞0，则x的取值范围是． 15．如图，是一个半径为6cm，面积为12πcm2的扇形纸片，现需要一个半径为R的圆形纸片，使两张纸片刚好能组合成圆锥体，则R等于cm． 文档 西塔庄初级中学英语学科教案（2014——2015）年度第一学期 年级：九年级 学科：英语 姓名：张雪艳 时间2014年9月 文档 Module 1 Wonders of the world Unit 1 What is a wonder of the world? 教学设计 课型 Listening and speaking 教材分析 This unit aims to review the learnt tenses so far and help students to be able to present some important and creative ideas about writing a school magazine. 教学目标 To learn and understand the topic words through talking and listening. To know something about the pyramids and the Grand Canyon. To understand the conversation about starting a school magazine involving different tenses. 知识与能力 1. Vocabulary and expressions: ancient, club, composition, pupil, meeting, call, event, listen up. That's news to me. Anyone else? 2. To enable the Ss to express in different tenses according to the set situations. 3. To learn to give ideas on writing a school magazine. 过程与方法 1. Top-down approach, enabling Ss to understand and talk about writing a school magazine. 2. To learn by listening, speaking and discussing. 情感、态度与价值观 To help students enlarge their vision on wonders of the world and help to know more about writing a school magazine of their own. 教学过程 教学步骤教师活动学生活动活动目的 Step 1 Lead-in Start the lesson by showing groups of pictures about the wonders of the world on the screen including the ancient pyramids. Ask students to talk about the picture on Page 2. T: Where can you see the pictures and the brief introduction probably? (Newspaper / the Internet / Magazine…) T: Yes, magazines like Crazy English / National Geography… Who started…? Learn the new vocabulary. (ancient, pyramid, review, wonder…) 九年级英语语法大全 2. ask…for help 向某人求助Unit 2 重点词组： 3.read aloud 朗读1. be more interested in 对…更感兴趣. 4.that way (=in that way) 通过那种方式2. on the swim team 游泳队的队员. 5.improve my speaking skills 3. be terrified of 害怕. 提升我的会话技巧4. gym class 体操课. 6.for example (=for instance)例如5. worry about. 担心. 7.have fun 玩得高兴6. all the time 一直, 总是 8.have conversations with friends 7. chat with 与…闲聊 与朋友对话8. hardly ever 几乎从不 9.get excited 高兴，激动9. walk to school = go to school on foot 10.end up speaking in Chinese take the bus to school = go to school by 以说汉语结束对话bus 步行去学校 11.do a survey about…做相关…的调查10. as well as 不但…而且 12.keep an English notebook 记英语笔记11. get into trouble 遇到麻烦 13.spoken English (= oral English) 英语口语12. make a decision 做出决定 14.make mistakes 犯错误13. to one’s surprise 使某人吃惊的是 15.get the pronunciation right 使发音准确14. take pride in 为…感到骄傲 16.practise speaking English 练习说英语15. pay attention to 留心, 注意 17.first of all 首先16. consist of 由…组成/构成. 18.begin with 以…开始be made up of 由…组成/构成. https://www.sodocs.net/doc/127101627.html,ter on 随后17. instead of 代替, 而不是 20.in class在课堂上18. in the end 最后, 终于 https://www.sodocs.net/doc/127101627.html,ught at 嘲笑19. play the piano 弹钢琴 22.take notes 记笔记 23.enjoy doing 喜欢干… Unit 3 重点词组： 24.write down 写下，记下1. be allowed to do sth 被允许干… 25.look up (v + adv) 查找，查询allow sb to do sth 允许某人干… 26.native speakers 说本族话的人allow doing sth 允许干… 27.make up 编造，虚构，化妆，打扮2.sixteen-year-olds = sixteen-year-old boys 28.around the world 全世界and girls 16岁的孩子 29.deal with 对待，处理，解决3. part-time jobs 兼职工作 30.worry about (be worried about) 担心，担忧4. a dri ver’s license 驾照 31.be angry with 生某人的气5. on weekends 在周末 32.stay angry 生气6. at that age 在那个年龄段 33.go by 消逝7. on school nights 在上学期间的每个晚上 34. regard…as…把…当做… 8. stay up 熬夜 https://www.sodocs.net/doc/127101627.html,plain about/of 抱怨9. clean up (相当与及物动词) 清扫 36. change…into…把…变成…（= turn into）10. fail (in) a test 考试不及格 37.with the help of 在…的协助下11. take the test 参加考试 38. compare…to(with)…把…和…作比较12. the other day 前几天 39.think of (think about) 想起，想到13. all my classmates 我所有的同学 九年级上学期期末试卷 一、选择题： 1. 如图是北京奥运会自行车比赛项目标志，则图中两轮所在 圆的位置关系是（ ） A. 内含 B. 相交 C. 外切 D. 外离 2. 抛物线()212 12+-- =x y 的顶点坐标是（ ） A. ()2,1 B. ()2,1- C. ()2,1- D. ()2,1-- 3. 在ABC ?中， 90=∠C ，若2 3cos = B ，则A sin 的值为（ ） A. 3 B. 2 3 C. 3 3 D. 2 1 4. ⊙O 的半径是5cm ，O 到直线l 的距离cm OP 3=，Q 为l 上一点且2.4=PQ cm ，则 点Q （ ） A. 在⊙O 内 B. 在⊙O 上 C. 在⊙O 外 D. 以上情况都有可能 5. 把抛物线2 2x y -=向上平移2个单位，得到的抛物线是（ ） A. ()2 22+-=x y B. ()2 22--=x y C. 222 --=x y D. 222 +-=x y 6. 如图，A 、B 、C 三点是⊙O 上的点， 50=∠ABO 则BCA ∠ 的度数是（ ） A. 80 B. 50 C. 40 D. 25 7. 如图，在ABC ?中， 30=∠A ，2 3tan = B ，32=A C ， 则AB 的长为（ ） A. 34+ B. 5 C. 32+ D. 6 8. 已知直线()0≠+=a b ax y 经过一、三、四象限，则抛物线bx ax y +=2 一定经过（ ） A. 第一、二、三象限 B. 第一、三、四象限 C. 第一、二、四象限 D. 第三、四象限 9. 如图是一台54英寸的液晶电视旋转在墙角的俯视图，设 α=∠DAO ，电视后背AD 平行于前沿BC ,且与BC 的距 离为cm 60，若cm AO 100=，则墙角O 到前沿BC 的距 离OE 是（ ） A. ()cm αsin 10060+ B. ()cm αcos 10060+ C. ()cm αtan 10060+ D. 以上都不对 10. 二次函数()012 2 ≠-++=a a x ax y 的图象可能是（ ） 11. 已知点()1,1y -、()2,2y -、()3,2y 都在二次函数12632 +--=x x y 的图象上，则1y 、 2y 、3y 的大小关系为（ ） A. 231y y y >> B. 123y y y >> C. 213y y y >> D. 321y y y >> 12. 某测量队在山脚A 处测得山上树顶仰角为 45（如图），测量 队在山坡上前进600米到D 处，再测得树顶的仰角为 60, 已 知这段山坡的坡角为 30，如果树高为15米，则山高为（ ） （精确到1米，732.13=） A. 585米 B. 1014米 C. 805米 D. 820米 二、填空题： 13. 抛物线322 +-=x x y 的对称轴是直线 . 14. 如图，圆柱形水管内积水的水面宽度cm CD 8=，F 为? CD九年级英语语法填空12篇
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