Unit 13 We're trying to save the earth 第一课时SectionA（1a~2d）学案 (含答案)

中小学教育资源及组卷应用平台
Unit 13 We are going to save the earth. 第一课时（1a~2d）
1.pollution不可数名词，意为“污染，污染物”，动词形式为pollute。
2.catch动词，意为“抓住；接住；及时赶上”，其第三人称单数为catches，其过去式，过去分词均为caught。
catch a cold感冒 catch sb.`s eyes引起某人的注意 catch the train赶火车
catch up with赶上；跟上 catch hold of抓住
3.used to是一个固定结构，意为“过去经常”，后跟动词原形。used to be +adj“过去是…的”；
used to do sth“过去常常做某事”，它表示过去存在某种状态或者过去经常性、习惯性的
动作，并意味着这种状态或动作目前已不存在。
She used to be an English teacher.她过去是一名英语老师。
4.litter作为“垃圾”是不可数名词，同义词：rubbish,garbage,waste.
You can't drop litter in the garden你不能在花园里扔垃圾。
5.play a part in意为“参与某事；在……方面起作用”，后接名词、代词或动词-ing形式。
Education can play a part in it．教育可以在其中起到作用。
6.turn...into...，为固定短语，意为“使……变成……”。
7.be able to意为“能够”，后接动词原形。
8.solve此处为及物动词，意为“解决”，其宾语常为problem。
Tell me how to solve the problem告诉我如何解决这个问题。
9.to cut down在句中作目的状语。动词不定式（短语）在句中作目的状语时，既可放在
句首，也可放在句末，意为“为了……”。
I stayed.there to see what would happen我待在那儿，看看会发生什么。
10.cut down为固定短语，意为“减少；把……砍倒；裁短；缩减”，同义短语close down
cut此处作不及物动词，其过去式和过去分词均是cut。 They cut down big trees in the forest.
11.instead of此处作介词短语，意为“代替，而不是”，后面常跟名词、代词或V-ing形
式。instead of doing sth“代替做某事”。
She went to school instead of staying at home.她没有待在家里而是去上学了。
12.advantage可数名词，意为“优点”。反义词disadvantage意为“缺点”。
含有否定前缀dis-的常见单词：
dis+like喜爱--dislike不喜爱 dis+order顺序--disorder没有顺序
dis+honest诚实--dishonest不诚实的 dis+appear出现一disappear消失；不出现
dis+courage勇气discourage使失去勇气
13. health不可数名词，意为“健康”；形容词形式为healthy，意为“健康的”；副词形式为healthily，意为“健康地”。keep in good health= keep/stay/be healthy，意为“保持健康”。
We should eat more vegetables to keep in good health.
14.cost此处作及物动词，意为“花费”，其固定句式为：sth costs sb. some money“某物
花费某人多少金钱”。 The book cost me ten yuan这本书花了我十元。
15.go shopping意为“去购物，去买东西”，同义短语为do some shopping。
“go+doing”形式表示“去做某事”，常用于表达从事某一体育活动或休闲活动。
go climbing去爬山 go skating去滑冰 go sightseeing去观光 go fishing去钓鱼
go skateboarding去踩滑板 go camping去野营 go bike riding去骑自行车 go football training go boating去划船 go hiking去远足 go swimming去游泳 go surfing去冲浪
16.wooden是由名词wood加-en构成的形容词，意为“木制的”。
17.keep此处用作及物动词，构成“keep sb. /sth十形容词”结构，意为“使某人或某物
保持某种状态”。 Please keep the classroom clean请保持教室整洁。
18.make a difference意为“起作用，有影响”。构成make a difference to sb./sth.
We want to make a difference to the world．我们想对世界有所作为。
make the bed铺床 make tea沏茶 make trouble惹麻烦 make money赚钱
make a telephone call打电话 make a visit拜访 make a decision作决定
make a mistake犯错误 make a living谋生 make a noise弄出噪音 make sure务必
19.lead to为固定短语，意为“（道路）等通往……；引起（结果等）”。
All roads lead to Rome.条条大路通罗马。
①lead sb. to do sth意为“致使／诱惑某人做某事”。
What led you to think so?什么使你这么想呢？
②lead sb. to some place意为“带领某人去某地”。
The road leads you to the station这条路指引你通往车站。
选择题
( )1.—The boy didn't sleep well last night.
—Yes,because of the ______ from the factory.
A voice B.noise C.music D.song
( )2.He hurried back home _____his schoolbag.
A.got B. gets C.getting D.to get
( )3.—How much is the ticket to Central Park?
—A one-way ticket______$40, and you can______ another$ 20 for a round-trip.
A.costs;pay B.costs; spend C pays; spend D.spends; pay
( )4.Why don't you____your friends to the party? I want to meet them.
A bring B.brings Cleaves D.take
( )5.Kate,remember _______ for the sick to cheer them up．
A. sing B not to sing C.to sing D.singing
( )6.I _____play with my friends after school.
A.am used to B.used to C.get used to D.was used to
( )7. Now I can drive to work _______walking.
A.instead B.of instead C.instead of D.rather than
( )8.He didn’t reply._______, he left the room.
A.instead B.of instead C.instead of D.rather than
( )9.I have never heard ______him since he left.
A.with B.of C.to D.for
( )10.Who led you _______your homework at home ?
A.finished B.to finishing C.finish D.to finish
二、用所给词的适当形式填空。
1.People drop ____________(litter) in public places like parks,libraries,squares .It will turn these beautiful places into ugly ones.
2.Everyone remembers ___________(throw) rubbish in the bins.
3.Our actions can make a ____________(different) and lead (to ,for, with) a better future!
4.There were no more fish for fishermen _________(catch).
5.Let`s go ________(swim) this afternoon.
6.Let`s talk about the things we can do __________(help).
7.Factories that burn coal also _____________(pollution) the air because of lots of black smoke.
8.Every day people are throwing away things like _______(wood) chopsticks,plastic bowls and plastic bags.
三、语法填空。
Swimming is very popular in summer. People like swimming in summer because water 1 (make)? people feel cool. If you like swimming and swim in a wrong place, it may not 2 safe. Last summer, more than ten people 3 （dead）when they were 4 (enjoy)? themselves in the water, and most? 5 them were students. But some people are still not careful in swimming. They often think they swim so 6 （good） that nothing can happen 7 them in water. Summer is here again, if you go swimming in summer, don't forget that better swimmers have died in water. They died only because they were not 8 (care), not because they could not swim. So don't get into water when you go swimming yourself, go with your teachers 9 your parents. If there are “No Swimming” sign, don't get into water, either. If everybody? 10 (remember) these, swimming will be safe.
1. 2. 3. 4. 5.
6. 7. 8. 9. 10.
四、短文改错。
Bob?had?a?busy?weekend?in?last?week.?On?Saturday? 1.__________
morning,?Bob?goes?to?visit?his?grandmother?with?his?parents. 2.__________
His?grandmother?lived?in?a?beautiful?village.There?Bob? 3.__________
went?to?the?mountains?with?her?cousin.?After?lunch,?he? 4.__________
played?chess?with?his?father.In?the?evening,?he?watched?a? 5.__________
exciting?TV?show.?In?Sunday?morning,?Bob?wanted?to? 6.__________
play?soccer?but?the?weather?was?bad.So?he?played?guitar? 7.__________
with?his?uncle.In??the?afternoon,?he?did?his?homeworks.Then? 8.__________
he?went?shop?at?a?supermarket.In??the?evening,?he?studied 9.__________
to?the?math?test.At?about?ten?p.m.,?it?was?time?to?go?to?bed. 10.__________











参考答案：
一、1-5BDAAC 6-10BCABD
二、1.litter 2. to throw 3.difference 4.to catch 5.swimming 6.to help 7.pollute 8.wooden
三、1.makes 2.be 3.did 4.enjoying 5.of 6.well 7.to 8.careful 9.or 10.remembers
四、1.删除in 2.goes→went 3.√ 4.her→his 5.a→an 6.In→On. 7.第二个played后添加the 8.homeworks→homework 9.shop→shopping 10.to→for

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