Unit 13 We’re trying to save the earth!单元同步学案（3课时）

Unit 13 We are trying to save the earth
第1课时Section A（1a-2d）
1. Phrases:
在……的底部_____________________ 充满，布满___________________
把……扔进……____________________ 关闭工厂 ____________________
打扫 _______________________ 扮演角色，起作用_________________________
噪音污染_____________________ 把……变成……___________________
对……产生影响或作用____________________
litter, n. 垃圾，同义词_________. V. 乱扔
公园里有一些垃圾。_________ some _______ in the park.
不要往地上乱扔书。__________ _________ the floor with books
污染（v.）_______________________, (n.)______________________
How to deal with ( http: / / www.21cnjy.com ) the ____________(pollute) is a hot issue in modern society.
The poisonous sm ( http: / / www.21cnjy.com )oke ____________ (pollute) the fresh air in the area.
所有这些废物正在 ( http: / / www.21cnjy.com )污染这条河。 All the________ things ________ _________ the river
我们越少开车，污染就会越少。 ( http: / / www.21cnjy.com )_____ ______ we use cars, the ______ ______ there_________ be.
at the bottom of在...的底部
To cut down air p ( http: / / www.21cnjy.com )ollution, we should take the bus or subway instead of driving. 为了减少空气污染，我们应该乘坐公共汽车或者地铁，而不是开车。
cut down 意为“减少”；是 ( http: / / www.21cnjy.com )“动词+副词”结构的短语，所带的宾语为名词时，宾语可位于down的前面或后面；为代词时，只能位于down前面。
You’d better cut the a ( http: / / www.21cnjy.com )rticle down to about 2,000 words. 你最好能把这篇文章压到两千字左右。
cut off：切碎，切掉 cut down：砍到，减少 cut up：切碎 cut into：把……切成……
cut in line： 插队
They_________ __________ the big tree. 他们砍倒了这棵大树。
The doctor ha ( http: / / www.21cnjy.com )d to ____ ____ his arm ____ _____ his life.医生为了挽救他不得不将他的胳膊截止
_____ _____ the meat, please. 请把肉切碎
It’s _______ _______ ______ ______ line. 插队是不礼貌的。
①—Did you te ( http: / / www.21cnjy.com )ll it to Jack —Yes, but we were ____ in the middle of our telephone conversation
A. cut down B. cut off C. cut up D. cut into [中国%~教育*&出版@
② We must do somet ( http: / / www.21cnjy.com )hing useful to ____ pollution. A. cut off B. cut up[来~*源:中&国教育出版网C. cut down D. cut in [来@^%~源
It’s good for health and it doesn’t cost anything! 它对身体有好处并且不会花费任何东西。
be good for : 对… 有好 ( http: / / www.21cnjy.com )处 be good at：擅长 = do well in be good with: 善于应付…
________ more veg ( http: / / www.21cnjy.com )etables ______ ______ ______ your health. 多吃蔬菜对健康有好处
He ________ ______ _______ children.他对待孩子很有一套
I _____ ______ ______ playing chess. 我擅长下棋
辨析：spend, cost, take, pay
花费 主语 表示的内容
spend 人 宾语可以是钱、精力、时间等。
cost 物或事 后接life, money, health, time等，侧重于“花费”的代价。
take 事或人 它说明事情完成“花费了……”。
pay 人 意思是“支付”，作为及物动词，宾语可以是“人”、“钱”
pay for 人 宾语为“物”、“事”，for表示支付的原因
这辆自行车花了我350元。
The bike _______ _______ 350yuan .否定句______________________________
= I _________ 350yuan __________ the bike.
= I ________ 350yuan ___________ the bike
我每天花大量的时间研究英语。 I _________ plenty of time __________ English.
= ________ _______ me plenty of time _______ ______ English
① —Do you take exe ( http: / / www.21cnjy.com )rcise every day —Yes. I always ___thirty minutes after supper.[www.z^z&s@tep*.co~m]
A. spend B. cost C. take D. pay
② I _________ $300 for the bike. A. took B. spent C. cost D. paid
③ The interesting b ( http: / / www.21cnjy.com )ook _____ me 10 yuan. A. spent B. took C. paid D. cost
keep public clean and beautiful 保持公共场所的清洁和美丽
keep + sth + adj.保持某种状态， keep (sb) doing （某人）一直做某事
keep sb from doing 让某人呢不做某事 = _______________
keep away from ， keep off
你应该保持你房间的整洁。 You should ________ your room _______.
你认为青少年应该远离网络 ( http: / / www.21cnjy.com )吗？ Do you think teenagers should _____ _____ _____the Internet
会议期间请关闭手机。 The m ( http: / / www.21cnjy.com )obile phone ______ ______ ______ ______ during the meeting.
他不断的吧自己的所见拍下来。He ________ _______- the photos of what he saw.
make a difference 起作用， 有影响。 同义词_______________, 对某人产生影响______________
污染的空气影响了他的健康。The _________ air _______ _____ _______ _____ her health.
【达标训练】
Ⅰ. 用方框中所给词的适当形式填空。
cost, wood, coal, bottom, litter
1. Don’t throw _______________ everywhere.
2. In winter, many people burn ________________to keep warm.
3. The police found a body at the _______________ of the lake.
4. The ______________ of living in big cities is very high.
5. He keeps a rabbit in a big ________________ box.
II. 单项选择。
1. He ____ go out with his parents, but now he ____ staying at home alone.
A. used to; is used ( http: / / www.21cnjy.com ) to B. is used to; used to C. use to; is used to D. is used to; is used to
2. Smoking can _____ lung cancer. You’d better give it up.
A. work on B. lead to #] C. take away D. put out
3. —What are the __ ( http: / / www.21cnjy.com )___ of bike riding —It can help cut down air pollution.
A. advantages B. reasons C. results D. ideas
4. watches is this s ( http: / / www.21cnjy.com )hop ______ ten dollars each. A. pay B. cost C. take D. spend
5. Lady Gaga is famous ( http: / / www.21cnjy.com ) _____ her beautiful voice. A. as B. with C. for D. of
6. The coat isn’t ( http: / / www.21cnjy.com )expensive. I can afford it. A. sell B. borrow C. lend D. buy
7. –The classroom i ( http: / / www.21cnjy.com )s so bright now. you should _____ the lights. – OK, I will.
A. turn on B. turn up C. turn down D. turn off
8. I think drinking ( http: / / www.21cnjy.com )milk is good ______ our health. A. for B. in C. with D. at
9. class begins. ( http: / / www.21cnjy.com )Please stop______ A. talking B. to talk C. talk D. talked
10. In order to ma ( http: / / www.21cnjy.com )ke our city more beautiful, more trees and flowers ______ every year.
A. will plant B. should plant C. should be planted
11. he had to tetir ( http: / / www.21cnjy.com )e early _____ poor health. A. as a result B. because C. so D. because of
12. The book is good. ____ I ____ my brother likes reading it .
A. Not only, but also B. Neither, nor C. Both and D. Either or
13.______ book ( http: / / www.21cnjy.com )s in our school library is about 20,000. and ____ books are good fro us to read.
A. a number of , the number of B. The number of , a number of
C. A number of , a number of D. The number of , the number of
14. don’t ___ ( http: / / www.21cnjy.com )_ the tree. They are animals’ homes. A. cut down B. cut in C. cut up D. cut out
15. anyone who sings well can ____ the activity in our school.
A. take part in B. take off C. take out D. take care of
III. 根据汉语提示完成下面的句子。
1. 多一个人少一个人无所谓。 One p ( http: / / www.21cnjy.com )erson wouldn’t ________ __________ _________.
2. 这个木箱时装满了书。 The ________ box _______ _______ _______ books.
3. 不健康的饮食对这种疾病的传播起一定的作用。
Unhealthy foods ______ ______ _______ _________ the spread of the disease.
4. 这条小路通向公园。 The path __________ __________ the park.
5. 我错拿了你的包。 I took your bag _________ ________ mine by mistake.
用所给单词的恰当形式填空
We must keep __________(practice) the piano.
He tried ____________(work) hard to save more money.
The book ____________(cost) her 3yuan.
I hope our actions can make a ____________(different)
Do you like the ___________(wood) chair
改写句子
We should save the sha ( http: / / www.21cnjy.com )rks. (改为被动) The sharks _______ ______ saved by us.
The river used ( http: / / www.21cnjy.com ) to be so clean. (一般疑问句) _______ the river _____ ______ be so clean
I have ever take ( http: / / www.21cnjy.com )n part in an environmental project. (一般疑问句) ________ you _______ ever ______ _______ ________ an environmental project
I take the bus to work. = I ______ to work _____ _______.
We are trying to save ( http: / / www.21cnjy.com ) the earth. _________ are you trying to ___________
第2 课时Section A（3a-4c）
1. Phrases:
一碗鱼翅粥_____________________ 切除，切断___________________
对……是有害的____________________ 在……顶部 ____________________
食物链 _______________________ 濒临危险_________________________
参加_____________________ 帮助（走出困境）___________________
支付得起____________________ 关掉电灯___________________
付费，付出代价____________________ 采取行动____________________
2. Have you ever ta ( http: / / www.21cnjy.com )ken part in an environmental project 你曾经参加过环境保护活动吗？
辨析：join, join in 和take part in
join 加入组织，团体，党派等，有作为其中的一个成员的含义。
后面也可以加表示人的名词，表示和某人一起参加某活动。
join in 加入一种具体活动。
take part in 指参加会议或群众性活动等，着重说明句子主语参加该项活动并在活动中发挥作用。
【小试牛刀】单项选择。
① —Have you ____ a club —Yes, I’m in a swimming club and I often _____ the swimming training.
A. joined; take ( http: / / www.21cnjy.com ) part in B. joined; join [w@w*w.z^z&sC. taken part in; join D. taken part in; join in
② —We’re going for ( http: / / www.21cnjy.com )a picnic. Would you like to____ us —Why not Let’s go!
A. attend B. join C. join in D. take part in
③—Are you going t ( http: / / www.21cnjy.com )o _____ any of the events —Yes. Maybe long jump and high jump.
A. take part in B. join C. attend D. join in
3. We can’t afford to wait any longer to take action! 我们不能再等了，要采取行动了。
① afford是动词，意为“买得起,担负得起”，通常与can, could, be able to连用,多用于否定句中。
They couldn’t afford $50 for a ticket. 他们拿不出50美元买一张票。
② afford后面常跟带to的动词不定式。
We can’t afford to go abroad this summer. 今年夏天我们没有足够的钱出国。
【小试牛刀】单项选择。
①Miss Taylor never ( http: / / www.21cnjy.com ) wastes money on anything too expensive, even though she can _____to. She has donated much of the money she saved to charities. A. afford B. allow C. remind D. pay
. ②I can’t afford ____ him an expensive birthday present.
A. to buy B. buying C. for buying D. buy
4. The method is no ( http: / / www.21cnjy.com )t only cruel, but also harmful to the environment.
harmful 形容词，意为“有害的”。常构成短语be harmful to “对……有害的”。[来源:z#z~step&.co%m*]
Staying up often is harmful to your health. 经常熬夜对你的健康有害。
【拓展】harm 名词，意为“害处”。常用短语do harm to “对……有害”，相当于be harmful to.
吸烟过多对他的健康有害。 ( http: / / www.21cnjy.com )Too much smoking ______ _______ _______ his health. = Too much smoking _______ ________ _________ his health.
【小试牛刀】改为同义句。
Reading in the su ( http: / / www.21cnjy.com )n does harm to our eyes. =Reading in the sun ___ ___ ___ our eyes.
【达标训练】
I. 用方框中词的适当形式完成下面的句子。
method, cruel, harmful, afford, law
1. I think it’s ____ to make such a young boy work all day.
2. The poor fisherman can’t _____ his children’s education.
3. I think the government must develop _____ to protect environment.
4. Eating too much junk food is ____ your health.
5. He can use different _____ to work out the problem.
II. 单项选择。
1. —Remember ( http: / / www.21cnjy.com ) to ____ the lights when you leave the room. —OK. I will.
A. turn on B. turn down[w#ww.zz*@^~] C. turn up D. turn off
2. The girl alwa ( http: / / www.21cnjy.com )ys has some money to ___ snacks. A. spend B. pay for C. take D. cost
3. —Look! _____ boys are playing on the playground. —Yes. _____ them is about 200.
A. The number of; A number of B. The number of; The number of
C. A number of; the number of D. A number of; A number of
III. 根据汉语提示完成句子。
1. 我们必须采取行动来阻止他们。 We must _________ __________ to stop them.
2. 我从没听说过这个人。I have never _________ _________ such a man.
3. 我们乐意尽力帮你摆脱 ( http: / / www.21cnjy.com )困境。[We are glad to do what we can do ______ ____________ _______.
4. 到目前为止，我已经交了二 ( http: / / www.21cnjy.com )十个朋友。_________ __________, I have made twenty friends.
5. 实际上，她从没去过那儿。 __________ ___________, she has never been there.
第3课时 (Section B)
预习B部分，写出以下短语并且在书中划出来。
1.扔掉_____________________ 2.好好利用___________________
3.用……建造，_______________ 4.拆下 ____________________
5.恢复 _______________________ 6.上下颠倒_____________________
7.创立一个网站___________________ 8.因……而闻名___________________
9.不但，而且____________________ 10. 停止开车___________________
11. 使用纸巾____________________ 12. 再利用书本和纸张____________
13. 做...很难____________________ 14. 关掉灯____________________
15.带上你自己的袋子______________ 16. 洗头____________________
完成句子。请仔细阅读教材，补充完整下列句子。
当你离开房间的时候要关灯。________ ________ the lights when you leave a room.
你曾经考虑过这些东西如何能被切实地充分利用吗？
Have you ever t ( http: / / www.21cnjy.com" \o "欢迎登陆21世纪教育网 )hought about how these things ________ actually ________ ________ to good use？
她现在做这事有几年了。She has ________ doing this ________ a few years now.
回收是要做的正确的事情还基于另外一个原因。
__________ is also the right thing to do for ______ reason.
回收能帮助我们拯救地球，因此让我们立刻行动起来吧。
__________ can hel ( http: / / www.21cnjy.com )p us _________ the earth, so let's _______ __________ right now
这个城镇中的每个人都应该参与到清洁城镇的行动中。
Everyone in th ( http: / / www.21cnjy.com )is town should ________ ________ ________ ________ cleaning it up.
我认为像带着袋子去购物这样的小事情可能有所帮助。
I think ( http: / / www.21cnjy.com )________ ________ like bringing a bag to ________ ________ can help.
因此，我们齐心协力就能带 ( http: / / www.21cnjy.com )来变化，创造更加美好的未来。So together, our actions can ________ ________ ________ and ________ ________ a better future!
所有这些小事情也许累积起来便能变成改 ( http: / / www.21cnjy.com )善环境的大事情。All these small things may ________ ________ and become big things that would ________ the environment.
艺术不但可以给他人带来快乐，而且也说明 ( http: / / www.21cnjy.com )只需要一点创造力，即便是冰冷、坚硬的铁也可产生活力。Not only can the art ________ ________ ________ others, but it also shows that even cold, hard iron can be ________ ________ ________ ________ with a little creativity.
【自主探究】
1.And the gate in fr ( http: / / www.21cnjy.com )ont of her house is made of rocks and old glass bottles.
她房子的前门是由岩石和旧玻璃瓶子制成的。
【辨析】be made + 介词
be made of “某物由……制造而成”（从制成品中可以看出原材料）
be made from “某物由……制造而成”（从制成品中一般看不出或难以分辨出原材料）。
be made in “某物由某地制造”
be made by “某物由某个人或集体制造而成”，其中介词by用来强调动作的执行者。
be made into 某种原料制成某物
be made up of 某物由……组成或构成
(1) Books are made _____ paper and paper is made _____ wood.
A. from, of B. of, from C. in, from D. from, in
2. Not only can the ( http: / / www.21cnjy.com ) art bring happiness to others, but it also shows that even cold, hard iron
can be brought back to ( http: / / www.21cnjy.com ) life with a little creativity. 不仅艺术品能给人们带来快乐，而且冰冷坚硬的钢铁在艺术创作下也恢复了生命。
【解读1】“not only … but also …”是一个并列连词词组，=“both … and …”。
(1) 电视不仅乏味，而且还浪费许多时间。
Television is _ ( http: / / www.21cnjy.com )____ ______ ______, _____it _____ ________ a lot of time.
(2) 不仅你，张老师也在此学院 ( http: / / www.21cnjy.com )教书。_____ _____ you _____ _____ Mr. Zhang______in this college. (3) 这个可怜的人不仅被罚款，而且还被送进了监狱。______ _____ _________ the poor man been fined, _____ _____ he had been_______ to prison.
【解读2】bring back to life 意思是复活，给予活力。
（1）Can ______ flowers ______ ________ life 可以让花起死回生？
【解读3】creativity创造力，独创力，名词。其动词为create(创造); 形容词为creative(有创造力的).
（1）上帝创造了世界。God _______ the world.
（2）有创造力的人通常会发挥一些有创造力的思维。_____ people often have some _____ thinking.
（3） 我认为创造力既是一种 ( http: / / www.21cnjy.com )天赋也是一种技巧。I ______ _____both _______ a gift and as a skill.
3. She lives in a ho ( http: / / www.21cnjy.com )use in the UK that she built herself out of rubbish.
她住在英国的一幢房子里，这幢房子是她自己亲手用垃圾建造的
【解读】build out of…意思为用…建造。
【举例】They built a boat ______ __________ wood. 他们用木头造了一条船。
【练习】选择题
（1）The girl __________ an English song in the next room is Tom’s sister.
A. who is singing B. is singing C. sang D. was singing
（2）Can you lend me the novel __________ the other day
A. that you talked ( http: / / www.21cnjy.com ) B. you talked about it C. which you talked with D. you talked about
（3）你应该用石头建造一个房子。You should __________your house ____________stones.
（4）很多日常生活用品是塑料制的。Many ( http: / / www.21cnjy.com )things in daily life are _______ __________ plastic.
单项填空。
(　　)1.Many o ( http: / / www.21cnjy.com" \o "欢迎登陆21世纪教育网 )ld houses around our school will be __ down next year and a large green area will appear.
A．thrown B．pulled C．broken D．put
(　　)2.Not only ( http: / / www.21cnjy.com )___________Miss Li like music, but (also) she __________ sports.
A. /; likes B. does; likes C. does; like D. is; like
(　　)3.On the one hand, we need ___________.
A. create B. creative C. creativity D. Created
(　　)4.The Olympic Games ___________every four years.
A. are held B. were held C. are holding D. will ho1d
(　　)5.Usually computers _____to search the Internet.
A. use B. are using C. are used D. used
(　　)6.It is reported t ( http: / / www.21cnjy.com )hat more new teaching buildings _______ in our school in the next term.
A. will be built B. was built C. has built D. will build
(　　)7.Don’t d ( http: / / www.21cnjy.com )iscuss the problems with your partner unless you _________ to do so.
A. ask B. are asked C. will ask D. will be asked
(　　)8. —Your coat ( http: / / www.21cnjy.com )looks nice.—It’s made ____ cotton. And it was made ____ Shanghai.
A. in; by B. from; by C. by; in D. of; in
(　　)9. —____ he ____ I have been to Beijing. —Really When did you do there
A. Not only; but also B. Neither; nor C. Either; or D. Too; to
(　　)10. The old c ( http: / / www.21cnjy.com )ity walls are dangerous. So they will be _____ soon.
A. pulled down B. pulled out C. pulled over D. pulled off
(　　)11. The old man built himself a house ____ wood.
A. out of B. in to C. to use D. in for
(　　)12. They decided to ____ a small business to make some money.
A. set up B. put up C. take up D. go up
(　　)13.Something is wrong with my car. It needs _____.
A. repair B. to repair C. repairing D. to be repair
(　　)14.My alarm clock doesn’t work. It needs ______.
A. to be repaired B. repair C. to repair D. for repairing
(　　)15.My hair needs cutting.= My hair needs ____ ____ ____.
一、用所给单词的适当形式填空。
1．You had better take your own bags when ________ (shop)．
2．What was the air pollution ________ (cause) by
3．Have you ever ________ (throw) away things you don't like to use
4．I have also ________ (set) up a website to sell clothes online.
5．Can the book be ________ (bring) back to my room
二、单项填空。
(　　)1.I was doing homework ________ the phone bell rang.
A．when B．while C．as D．if
(　　)2.The old man lives in a house that ________ out of the stones.
A．built B．was built C．build D．to build
(　　)3.Look! An old tall building is being ________.
A．pulled out B．pulled down C．pulled in D．pulled off
(　　)4.Song Zuying is known ________ a singer.
A．for B．as C．of D．to
(　　)5.We ________ you to have a good trip.
A．wish B．hope C．wish with D．hope to
(　　)6.Mr.Green as ( http: / / www.21cnjy.com )ked us to stop ________.So we stopped ________ to him at once.
A．talki ( http: / / www.21cnjy.com )ng; listening B．to talk; listening C．talking; to listen D．to talk; to listen
(　　)7.Waste paper must be ________ good use.
A．put B．put to C．to put D．puts
(　　)8.The lake n ( http: / / www.21cnjy.com )ear my home used to _____ clean. But now it's too dirty.
A．was B．is C．be D．are
(　　)9.My father pl ( http: / / www.21cnjy.com )ans ________ an article about new methods of ________ math.
A．to write; ( http: / / www.21cnjy.com ) learn B．writing; learning C．to write; learning D．writing; to learn
(　　)10.________ pretty, but also she is intelligent.
A．She is no ( http: / / www.21cnjy.com )t only B．Not only she is C．Not only is she D．Not she only is
三．句型
1. 她扔掉了昨天的报纸。She______ _______ yesterday’s newspaper.
2. 我在新的工作中充分地利用了我的 ( http: / / www.21cnjy.com )经验。 I _____ my experience ____ ____ ____ in my new work.
3. 请别将杯子倒置。 Please don’t turn the cup _______ _______.
4. 这些照片唤起了我美好的回忆。The photos _______ _______ lots of good memories.
5. 杭州以龙井茶而闻名。Hangzhou is well _______ ________ its Long jing Tea.
6. It caused him ( http: / / www.21cnjy.com )lots of worries. =It caused lots of worries ____ him.
( )7. His death was _____ by a high fever.
A. spread B. caused C. got D. showed
( )8. He p ( http: / / www.21cnjy.com )romised to pick me up at the school gate. However, he _____ yet.
A. Didn’ ( http: / / www.21cnjy.com )t arrive B. Doesn’t arrive C. Isn’t arriving D. Hasn’t arrived
( )9. Ba Jin, ( http: / / www.21cnjy.com )one of the greatest writers in China, ___ as “People’s Writer”.
A. is rega ( http: / / www.21cnjy.com )rded B. has regarded C. is regarding D. regards
( )10. —May I go ( http: / / www.21cnjy.com ) out now, Dad — No. You _____ let your mother know first.
A. can B. may C. need D. must
( )11. Her son _______ Coke, but now he ________ milk.
A. used to ( http: / / www.21cnjy.com )drink ; is used to drinking B. used to drinking ; drinks
C. is used t ( http: / / www.21cnjy.com )o drinking ; used to drink D. is used to drink ; is drinking
四、用方框中单词的适当形式完成下面的句子。
recycle, gate, bottle, president, work
1. Mr. Wang is the ___________ of the company.
2. The young man likes Lu Xun’s _______________.
3. Could you please give me a ____________ of water
4. Tom! Someone is waiting for you at the school ________________.
5. We should ________________ garbage, not burn it.
错题整理