Unit 13 We’re trying to save the earth!单元导学案无答案

Unit 13 We’re trying to save the earth!
(Section A 1a-2c)
一、通过学习，口、笔头掌握下列句型： 1) The river used to be so clean. 2) People are throwing litter into the river. 3) It has always been the nicest river in this town. 4) We should write to the government. 5) I think one problem is that the air is badly polluted.
二、能正确运用现在进行时态，used to结构，现在完成时态， 被动语态和情态动词谈论环境污染和环境保护。
三.单项选择
( )1.The teacher_____be in the office because the light is off .
A. might B. can’t C. mustn’t D. may
( )2.----Whose Chinese book is this ? ---- It could be _______. He _______ Chinese .
A. Tom; study B. Tom’s ; studies. C. Tom’s ; study D. Tom; studied
( )3.----______I finish my homework today ? ----No, you______.
Must; mustn’t B. Need ; need’t C. Need; mustn’t D. Must; needn’t
( )4. ----The sports shoes must be Linda’s. ---- No, they _____be hers . They’re too small for her. A. mustn’t B. can’t C. may not D. might not
Unit 13 Period 2(Section A 2d)
一、通过学习，口、笔头掌握下列句型：
There are other advantages of bike riding. I think simple things like bringing a bag to go shopping can help. So together, our actions can make a difference and lead to a better future.
二、 能进一步地扩展所学的内容，能用目标语言谈论如何保 护环境，从而拯救地球。
三. Learn these useful sentences by heart. Then use them to make new sentences.
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.
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。
【当堂检测】
英译汉：
1. save the earth 2.loud music 3. noise pollution 4. the bottom of the river
5. play a part in 6. waste pollution 7. be badly polluted 8. burn coal
9. a lot of black smoke 10. too much rubbish and waste
11. in public places 12. turn into ugly places
13. cut down air pollution 14. wooden chopsticks
15. plastic forks 16. lead to a better future
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.
Unit 13 Period 3(Section A 3a-3b)
一、通过学习，口、笔头掌握下列句型： 1) Many have heard of shark fin soup.
2) When people catch sharks, they cut off their fins and throw the shark back into the ocean.
3) This method is not only cruel, but also harmful to the environment.
4) If their numbers drop too low, it will bring danger to all ocean life.
二、能读懂介绍关于保护鲨鱼的文章，完成相应阅读任务，并能正确运用连词或状语从句改写文章。
。
三. 观察与思考：
1) 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，意为_________；可与both ... and…替换。若连接两个成分作主语，其谓语通常与_________保持一致。
Other examples: Not only does he speak fluent English, but he can also speak Chinese and French well.
Exercise is not only good for health, but also fun.
2) a number of 与the number of的用法：
the number of意为“… 的数量”，跟复数名词连用作主语时，中心词是number，谓语动词用单数。a number of意为“许多”，相当于 many，修饰可数名词复数。作主语时，谓语动词用复数。number前可用large，small等修饰，以表示程度。
练习：选词填空：the number of, a number of
1. ______________ teachers in our school is 350. 2. ______________ teachers like to read books.
【当堂检测】 一．Fill in blanks using proper forms of given words.
?1、I'll give the book to him as soon as he _______back(come).
?2、______ the baby _______crying yet? (stop)
?3、I don't know whether mother________ me to beijing next month.(take)
?4、She ________ on her coat and went out. (put)
?5、 “What are they doing?” “They_______ ready for the sports meeting.” (get)
?6、The boy asked his mother________ him go and play basketball.(let)
?7、I’m sorry to keep you ________for a long time. (wait)
?8、It ______(take) him half an hour________ (finish) his homework yesterday.
?9、If it _______ an interesting film, we’ll see it tomorrow. (be)
?10、They usually _________?(do) their homework after supper.
?11、Listen! who__________ (sing) in the next room now?
?12、_______ (be) your parents in shanghai last year?
?13、Mr. yu ________ (teach) us maths since 1982.
14、They will have a trip (旅行) to the great wall if it ________ (not rain) tomorrow.
?15、Li Ming often________?(listen) to the radio in the morning.
二．Choose the best answers.
1．-May I stop my car here? -No, you_＿＿＿. A. can't B. mustn't C. needn't D. don't have to
2. -Must we clean the house now? -No, you _______. A. needn't B. may not C. mustn't D. can't
3. Man __die without water. A. will B. can C. need D. shall
4. –You____ return the book now. You can keep it next week if you like.
A. can't B. mustn't C. needn't D. may not
5. -Johnny, you____ play with the knife, you___ hurt yourself.
A. won't...can't B. mustn't...may C. shouldn't, must D. can't...shouldn't
Unit 13 Period 4(Section A Grammar Focus-4c)
一．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.
二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, 现在不做了, 后接动词原形。be used to doing sth.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.
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. 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 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
【当堂检测】选择题
(1) The famous writer _____ one new book in the past two year.
A. is writing B. was writing C. wrote D. has written
(2)—Our country ______ a lot so far. —Yes. I hope it will be even ______.
A. has changed； well B. changed； good C. has changed； better D. changed； better
(3) The Smiths _______ in China for 8 years. A. has lived B. lived C. have been D. live
(4) My friend was good me when I was ill. She told me that eating more vegetables is good my health. A. with; for B. to; for C. with; to D. for; with
(5) Li Mei is interested in drawing. Also, she is good_____________ it.
A. with B. to C. at D. for
Unit 13 Period 5(Section B 1a-1e)
一、通过学习，口、笔头掌握下列句型：1. Recycling paper is really easy.
2. It’s hard to stop riding in cars. 3. We really shouldn’t use paper napkins, you know 　　
【当堂检测】
一．英汉互译
1. 停止开车????_____________________ 2. 使用纸巾_____________________
3再利用书本和纸张_________________________ 4. 做...很难___________________________
5. 关掉灯______________________ 6. 停止做..._______________________________
7. 洗头_______________________ 8. 带上你自己的袋子_________________________
二．用所给动词的适当形式填空
（1）Tom and Mary ___________ (come) to China last month.
（2）Mike________ (not go) to bed until 12 o’clock last night.
（3）Mary __________ (read) English yesterday morning.
（4）There _________ (be) no one here a moment ago.
Unit 13 Period 6(Section B 2a-2e)
一、通过学习，口、笔头掌握下列句型：1) Do you often throw away things you don't need anymore?
2) You have probably never heard of Amy Hayes, but she is a most unusual woman.
3) And the gate in front of her house is made of rocks and old glass bottles.
4) Amy isn't the only one who is good at recycling. 5) I hope people can read my book and enjoy it!
二．仔细阅读第四段，补全下面的短文。
Wang Tao’s "metal art"
Wang Tao _______ _______ for using iron and other materials from old cars to make beautiful art pieces. The more popular works _______ even ________ seen in art shops around the city. Wang Tao hopes to set up a "metal art" theme park to show people the importance of environmental protection. Not only can the art bring happiness to others, but it also shows that even cold, hard iron ______ ______ ________ back to life with a little creativity.
观察与思考：通过刚才的填空练习，你发现下面这些用法的规律了吗？
1）被动语态的构成：助动词be+及物动词的过去分词
练习：(1) A number of new houses __________ in Wen Chuan last year.
A. built B. are built C. were built D. will be built
(2) A: More and more foreigners speak Chinese now. (改为被动语态)
B: Chinese _________ _________ by more and more foreigners now.
2）And the gate in front of her house is made of rocks and old glass bottles.
be made________意为“由……制成”，主语为制成品，而且能看出原材料。be made________意思也是“由……制成”，表示制成的东西完全失去了原材料的外形或特性， 或原材料在制作过程中发生了化学变化，在成品中已无法辨认。
练习：(1) The bridge is made __________ stone. (2) The wine is made __________ rice.
3）She lives in a house in the UK that she built herself out of rubbish.
that she built…是定语从句，修饰前面的名词house build/make… out of…表示“ _______________” .
练习：(1) This art piece is ___________ glass. (2) The houses in the last were always ___________ stone.
【当堂检测】Choose the right answer：
1. The man built a house _________ trash. A. out B. of C. into D. out of
2. We often call _________ Mr. Recycling. A. he B. his C. him D. her
3. We have never visited the museum, but we have ______ it.
A. stood for B. belonged to C. heard about D. kept on
4. A: What do you think of my shirt? It ___ cotton. B: —It looks nice on you.
A. is made in B. is made for C. is made of D. is made by
5. A: It’s difficult for village children to cross the river to school. B:I think a bridge _____over the river.
A. should be built B. will build C. is built D. was built
Unit 13 We’re trying to save the earth!
Period 7(Section B 3a-Self Check)
一、通过学习，口、笔头掌握下列句型： 1) The river used to be so clean. 2) People are throwing litter into the river. 3) It has always been the nicest river in this town. 4) We should write to the government. 5) I think one problem is that the air is badly polluted.
二．I. Revision：Write down these phrases.
1.停止乘小汽车 2.回收纸
3.用纸巾 4.好好利用
5.用垃圾建造房 6.倒置
7.经营小生意 8.回复，归还
9.旧玻璃瓶 10.拆下
11.一个有创意的大脑 12.开一个小店
13.更受欢迎的作品 14.给他人带来欢乐
【当堂检测】Self Check
1. Write different forms of the words. Then add more to each group.
v.— n.
pollute --- act --- protect--- inspire ---
build --- create --- farm --- sing ---
travel--- drive --- run --- write ---
n.— adj.
fame --- wood --- science--- health ---
south --- care --- rain --- cloud---
luck --- help --- color --- day ---
adj.— n.
sunny --- noisy --- harmful --- beautiful ---
different --- important--- wooden --- freedom ---
adj.— adv.
slow --- wide --- sudden --- real ---
quick --- true --- possible--- happy ---
loud --- quiet --- heavy --- good ---
Unit 13 We’re trying to save the earth!
Period 8 Revision
重点短语:
1.make a difference 起作用；影响 2. take part in 参加 3. turn off 关掉 4. pay for 付费；付出代价 5. cut down 减少 6. lead to 通往；导致 7. hear of 听说 8. cut off 切除 9. throw away 扔掉
10. put sth. to good use 好好利用某物 11. pull…down 拆下；摧毁 12. turn… upside down 上下颠倒；倒转 13. bring back 恢复；使想起 14.be full of 充满 15.close down 关闭
16.play a part in 扮演角色 17.clean up 打扫卫生 18.instead of 代替 19.used to过去常常……
20.be harmful to …对……有害 21.the food chain 食物链 22.at the top of 在……顶部或顶端
23.take action 采取行动 24.set up 建起，成立，设立 25.be known/ famous for 因……而闻名
【当堂检测】
I. 单项选择。1. He promised to pick me up at the school gate. However, he _____ yet.
A. didn’t arrive B. doesn’t arrive C. isn’t arriving D. hasn’t arrived
2. Ba Jin, one of the greatest writers in China, ___ as “People’s Writer”.
A. is regarded B. has regarded C. is regarding D. regards
3. —Where is Tom? —He ______ in his room. A. is reading B. reads C. read D. was reading
4. —May I go out now, Dad?— No. You _____ let your mother know first.
A. can B. may C. need D. must
5. Her son _______ Coke, but now he ________ milk.
A. used to drink ; is used to drinking B. used to drinking ; drinks
C. is used to drinking ; used to drink D. is used to drink ; is drinking
II. 阅读下列句子, 根据所给首字母写出所缺单词。
1. The boy fell off the high tree but l____________ he wasn't badly hurt.
2. In China people usually eat m______________ on Mid-autumn Day.
3. He's a hard-working boy. He s________ a lot of money on books.
4. Light travels much faster than s_______.
5. I saw two f___________ in the park yesterday. I think they came from the USA.
Ⅲ．根据句意, 用括号中所给单词的适当形式填空。
1. There are two __________ (library) in our school.
2. You look so __________ (worry). What's the trouble with you?
3. Which subject do you like ________ (well), maths, English or Chinese?
4. The children enjoyed _________ (oneself) at the party.
5. Don't touch the machine. It's ___________ (danger).
6. The old man used _________ (be) a teacher.
7. We should _________ (clean) the room every day.
8. Look! Tom ___________ (sleep) in his room.
9. Lots of trees ____________ (plant) on the hill every year.
10. He ___________ (live) here for 20 years.




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