(新课标)Unit13 We're trying to save the earth! Section A 1a-2d 语言点精讲精练(含答案)

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Unit 13 SectionA1a-2d语言点精讲精练
I．语言点精讲
1. Well, to cut down air pollution, we should take the bus or subway instead of driving.
cut down 是固定搭配，意思是减少。cut down 还有砍倒的意思。
We shouldn’t cut down trees. Instead, we should plant more trees.
拓展： cut off意思是切除； cut into 意思是把…切成…；
cut up 意思是切碎， cut in 意思是插队.
.此句中 instead of 意思是代替. 其后一般接名词、代词、动名词或介词短语作宾语。
instead 是副词， 意思是反而。.
2. It’s good for health and it doesn’t cost anything!
cost v. 意思是花费, 指花费金钱，主语通常是物。cost的过去式和过去分词均为cost。常用于sth. cost(s) (sb.) some money. 句型。
e.g. The new shirt cost Mr Wang 200 yuan. 王先生花了200元买了新衬衫。
注意此处的cost 为过去式
拓展：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。
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。
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。
1) That new car cost them lots of money.
2) Mona spent 50 yuan on the books just now.
3) It usually takes me an hour to do my homework.
4) You should spend some time practicing your pronunciation.
5) My brother paid 6, 000 yuan for the new computer yesterday..
II．语言点精练
一、单项选择
( )1. — How much is the ticket to Central Park
— A one- way ticket________ 40 dollars，and you can ________ another 20 dollars for a round trip.
A．spends；pay B．costs；spend C．pays；spend D．costs；pay
( )2. We should keep the windows ________ in order to let the fresh air in.
A．opening B．open C．closed D．close
( )3. We shouldn't ________ trees because trees are important to environmental protection.
A．cut off B．cut in C．cut down D．cut up
( )4. — Let's go boating ________ staying at home，shall we
— Good idea.
A．as for B．instead of C．because of D．such as
( )5. I ______ sleep very well，but then I started doing yoga and it really helped.
A．didn't use to B．used to C．was used to D．wasn't used to
二、用括号中所给单词的适当形式填空
6.Look at the sign. It says “No 　　　　(litter)”.
7.We used 　　　　(have) a party to welcome our new friend on weekends.
8.The air is 　　　　 (bad) polluted because there are too many cars now.
9. The young should do meaningful things instead of 　　　　(play) with phones all day.
10.Remember 　　　　(throw) rubbish in the bins and keep public places clean and beautiful.
三、根据汉语及英语提示，完成下列句子，每空一词。
11．你能给我们提一些关于如何减少水污染的建议吗？
Could you give us some advice on how to _____ ______ ______ __________？
12．人们普遍认为，教育会对一个人的生活产生影响。
It's commonly believed that education can ______ ____ __________ to a person's life.
13．教室里挤满了学生。
The classroom ____ _________ ________ students.
14．因为高铁站，这个村庄已经变成了一个现代化的城镇。
Because of the high- speed railway station，the village has already _______ ______ a modern town.
15．我们应该向那些参与救助病人的医生们道谢。
We should say thanks to those doctors who have _______ ____ _________ ____ _______ the patients.
四、完形填空
March 22 is World Water Day. It started in 1993. It not only makes us think about the importance of water, but also calls on us to 　16　 and protect water. Today, we're facing terrible water problems. Among them, the wastewater problem is rather 　17　. And the subject of World Water Day in 2017 is “wastewater”.
What is wastewater It is used water. Usually, wastewater comes from homes, 　18　, hospitals and so on. It is produced by different kinds of activities,including washing machines, taking showers and using kitchens. The rain also 　19　 wastewater when it is running down the street during a storm. No matter where it comes from, this kind of water is sure to have 　20　 harmful in it.
　21　 must we treat(处理) wastewater Waste-water has a big influence on our lives. It causes both illness for us and pollution for the environment. We must care for our environment and our own 　22　.　
How can we treat wastewater Different kinds of wastewater need different ways of treatment. Wastewater 　23　 homes can be reused. Then there will be 　24　 wastewater. Also, factory wastewater has to be cleaned 　25　 it goes back to nature.
(　　)16.A.drink B.save C.carry D.watch
(　　)17.A.easy B.popular C.small D.serious
(　　)18.A.factories B.lakes C.rivers D.seas
(　　)19.A.gets back B.hands in C.changes into D.picks up
(　　)20.A.nothing B.something C.nobody D.somebody
(　　)21.A.What B.Who C.Why D.How
(　　)22.A.work B.interest C.health D.business
(　　)23.A.on B.for C.with D.from
(　　)24.A.less B.more C.better D.worse
(　　)25.A.and B.whether C.after D.before
五、阅读理解
When Sally was a child, she went to the city park with her mom on a sunny morning. She felt very unhappy. Her mom saw that and asked why. Sally told her mother that she felt so sorry to see so much rubbish on the ground.
Her mom looked around. There were pieces of paper, boxes, glass bottles and a lot of other rubbish everywhere. “What can we do ” asked Sally sadly. “I'm sure you will think of something,” said her mom.
As soon as Sally got home with her mom, she painted a picture of the park and wrote a sign in large black letters at the top of the picture. The sign said, “PLEASE KEEP OUR PARK CLEAN”. Later, she took plenty of bags and went back to the park with her mom. Sally put up her picture on a big rubbish box.
The children at the park ran over to see what was going on. Sally handed each of them a bag. “Let's clean up this place,” said Sally. Then they began to pick up the rubbish, talking and laughing. Soon, all the bags were full.
Then Sally's mom led them to put the rubbish into different kinds of rubbish boxes. When they looked at the clean park, they all had a strong feeling of satisfaction.
From then on, Sally has been keeping doing the cleaning and sorting(分类) rubbish. More and more people joined her to play a part in environmental protection.
(　　)26.Why was Sally unhappy
A.Because she couldn't find her mom. B.Because her friends were not at the park.
C.Because there was too much rubbish. D.Because the park was too crowded.
(　　)27.Sally drew the picture to 　　　　.
A.show off her painting skills B.encourage people to keep the park clean
C.give her mom a big surprise D.show people how beautiful the park was
(　　)28.What did the children do at the park when they saw Sally put up her picture
A.They laughed at Sally. B.They spent a terrible and tiring day.
C.They bought some bags from Sally. D.They joined Sally in picking up the rubbish.
(　　)29.How do you like Sally
A.Warm-hearted. B.Brave. C.Hard-working. D.Lazy.
(　　)30.What's the best title for the text
A.A beautiful park B.Sally and her mom C.A clean-up story D.How to clean the park
六、阅读理解七选五
Most people don't have interest in rainforests. 31.　　　　 Secondly, they seem dark and dangerous. There are snakes and dangerous plants everywhere. However, Jeff Corwin is different from most people. He has been interested in rainforests since he was a child.
Rainforests produce much of the air we breathe every day. 32.　　　　 Since then, he has had one goal: to tell people the importance of rainforests. Besides, he is most interested in the special animals living there.
33.　　　　 Many of the animals there cannot live anywhere else. The rainforests are important to these animals, and these animals are important to the rainforests, too. They are good for the forests, as each one plays a role in keeping the rainforests healthy.
Rainforests are disappearing very quickly. 34.　　　　 The plants and animals that used to live in these forests either die or must find a new forest to call their home. The good news is that there are a lot of people who want to save rainforests. The bad news is that saving rainforests is not going to be easy. It will take the efforts of many people working together.
35.　　　　 He has started clubs for young people. The clubs teach ways to help protect rainforests. Jeff believes education is the best way to protect rainforests. When people learn more about rainforests, they will try to help save them.
A.Jeff learned this fact in primary school. B.First of all, they seem so far away from us. C.The largest rainforest in the world is in South America. D.People are cutting down rainforests for the following reasons. E.Jeff wants to help people understand the valuable information. F.Every year a large area of rainforests is cut down and destroyed. G.Rainforests are home to half of the animal groups in the world.
II. 语言点精练参考答案
一、1-5 DBCBA
二、6.littering　7.to have　8.badly 9.playing　10.to throw
三、1. cut down water pollution 2. make a difference
3. is full/filled of/with 4. turned into 5. played a part/role in saving
四、16-20 BDACB 21-25 CCDAD
五、26-30 CBDAC
六、31-35BAGFE
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