(新课标)Unit 13 We're trying to save the earth Section A Grammar focus-4c 语言点精讲精练(含答案)

中小学教育资源及组卷应用平台
Unit 13 SectionAGrammar focus-4c语言点精讲精练
I．语言点精讲
1. We can’t afford to wait any longer to take action!
我们承担不起继续等待而不采取行动！
afford v. 承担得起; 买得起; 提供, 给予，常与can, be able to等连用, 多用于否定句或疑问句。　
afford sth. 买得起 / 承受得起某物
afford to do sth. 有能力做某事 / 负担得起做某事
Can you afford the mobile phone
We can’t afford to pay such a price.
afford & buy
afford侧重“有经济能力买”，而buy则侧重“购买(这一行为)”。
表示“我买不起……”可以说I can’t afford ...，但不能说I can’t buy ...。
1) They can’t afford to send their children to college.
2) Can you afford a new car
3) Helen bought some fruit on her way home yesterday.
2. …save electricity by turning off the lights when you leave a room.
turn off 关掉
e.g. 睡觉前请关掉电视。(翻译)
Please turn the television off before you go to bed.
拓展: turn相关短语
turn on 打开, 发动
turn around 转身
turn up 调高(音量)
turn down 调低; 拒绝
turn into 变成; 进入
turn over 移交
3.Have you ever taken part in an environmental project
take part in 参加
take part in多指参加会议或集体性的工作或活动，且参加者在其中发挥一定的作用。
Li Lanjuan headed for Wuhan and took an active part in the battle.
II．语言点精练
一、单项选择
( )1.Shopping used to 　　　going to shops, but nowadays,you can do it online at home.
A. means B. meant C. mean D. meaning
( )2.—What great progress HUAWEI　　　 in recent years!
—No wonder it is widely known in all parts of the world.
A. is making B. has made C. makes D. made
( )3.Now waste from daily life in the city of Shanghai 　　　　to be separated into four different groups.
A. is requiring B. is required C. was required D. required
( )4.—Many people play with mobile phones all day instead of reading books.
—That's too bad. Everyone 　　　be a book lover. Reading is more enjoyable.
A. may B. must C. would D. should
( )5.—The number of tourists　　　 over 33 million this year.
—Yes. A large number of tourists　　　 so far because of the new look of our city.
A. is; have come B. is; has come C. are; has come D. are; have come
二、用括号中所给单词的适当形式填空
6. Bill __________(read) picture books with his dad now.
7. They used ________(live) here. But they ________(move) to Chengdu last month.
8. We ____________(know) each other since we were children.
9. The library ______________(complete) in 2018.All the students liked it.
10.The magazine must _______(be) Nancy's. Her name is on its cover.
三、根据汉语及英语提示，完成下列句子，每空一词。
11.这个单词以字母“a”开头。
This word 　　　　 　　　　the letter “a”.
12. 你房间的灯还亮着。你离开之前不要忘记把它们关掉。
The lights in your room are still on. Don’t forget　　　　 　　　　 　　　　 　　　　before you leave.
13.我们应该立刻行动起来,帮助他们摆脱困境。
We should 　　　　 　　　　right now to help them out of the difficulties.
14.你愿意参加世界读书日的活动吗
Would you like to 　　　 　　　　　 　　　　the activities of World Book Day
15.如果你打破这个杯子,你必须赔偿。
You’ll have 　　　　 　　　　 　　　　it if you break the cup.
四、完形填空
On a trip to Japan with her family in 2019, Sasha Olsen was surprised at the ocean’s pollution levels. There, she saw　16　 sea animals.
“We went on this trip and at first I was so excited,” said Sasha. She is 10 years old and lives in Florida. “But when I saw the ocean, I got　17　. I wanted to know why things were this way but couldn’t find a(n)　18　.”
Sasha　19　the help of her cousin, Narmina, who is 23 years old and got a college degree in business. Together, they　20　 a group “I Want My Ocean Back”. Friends in the group got together on weekends to clean the beaches. As time goes on, the group is doing different things to further protect the ocean. For example, the group has done something to　21　 money, which will be used to clean up the beaches. It will also go to conservation groups such as Oceana and World Wildlife Fund(WWF), because they work to　22　 animals and their environments.
Also, Sasha invited local people to take part in an activity called “Kids Love the Oceans”. There, she spoke about the oceans’ problems. People made art out of rubbish collected from the　23　 and they felt moved to share the moment. “Sasha has　24　 many other kids to join the group and showed people that we’re able to make a　25　,” Narmina said.
Sasha and Narmina hope to go on their work to neighboring cities. Hollywood is near.
(　　)16.A.interesting B.living C.dying D.moving
(　　)17.A.quiet B.well C.peaceful D.disappointed
(　　)18.A.answer B.plan C.excuse D.lesson
(　　)19.A.passed on B.asked for C.turned down D.laughed at
(　　)20.A.left B.found C.started D.forgot
(　　)21.A.waste B.raise C.spend D.pay
(　　)22.A.feed B.protect C.refuse D.hurt
(　　)23.A.beaches B.streets C.schools D.factories
(　　)24.A.warned B.doubted C.influenced D.ordered
(　　)25.A.trip B.mistake C.mess D.change
五、六选五
Pollution inside homes and other buildings kills more than 4 million people each year. 26.　　　　 ___________. One way to reduce the number of deaths is through cooking equipment(设备) powered by the sun. Crosby Menzies, a solar(太阳的) power expert, described his latest solar cooker called the “Sol-4”. “It is four square meters of mirrors, six to eight meters in length. 27.　　　　”
The Sol-4 works by reflecting light from the sun in large mirrors. The mirrors direct the light at a cooking pan. 28.　　　　 Within two minutes, the pan is hot enough to cook onions. In just four minutes, water can be boiled. That is as fast as cooking with natural gas or electricity.
The cooker is also much “friendlier” than other models. 29.　　　　 People can prepare meals without having to collect firewood or spend money on coal. Such people would be less likely to have breathing illnesses from harmful smoke.
At present, the cooker only works when the sun is shining. But engineers are working on a way to make it work without sunlight.
Each cooker costs about $2,000. 30.　　　　 To solve that problem, Crosby Menzies has created an organization called Solar Cookers for Africa. It plans to raise money to provide poor people with solar cooking equipment.
A.It is quite a large cooker.
B.Most Africans can’t afford it.
C.Then the light heats the pan with solar energy.
D.People do not have to stand in the sun to use it.
E.The African government will provide poor people with solar cookers.
F.Many people die from cooking over wood-powered or coal-powered stoves.
六、阅读理解
Zhalong National Nature Reserve is a nature park in Heilongjiang in Northeast China. It is one of the world’s most important wetlands. The area provides food and homes for wildlife. It is an ideal home for different kinds of plants, fishes and birds.
Many birds live comfortably in Zhalong National Nature Reserve all year round, while some only stay for a short time. There are many fish in the wetlands, and the birds can easily catch them for food. Zhalong National Nature Reserve is an important living area for the rare red-crowned cranes. There are not many red-crowned cranes in the world. Some of them live in Zhalong National Nature Reserve.
Some people want to change the wetlands to make more space for farms and buildings. This means that there will be less and less space for wildlife.
More and more birds are in danger because they do not have enough living space. Many of them died. The Chinese government wants to protect these endangered birds, and they can be safe in Zhalong National Nature Reserve. If we don’t protect them, they might disappear from the earth.
Every year a lot of tourists go to Zhalong National Nature Reserve to watch birds. This year members of our Bird Watching Club are going to study the different kinds of birds in Zhalong National Nature Reserve and the changes in their numbers. The study will begin next month.
We do a bird count once a year. We are now inviting another school’s students to help. We need more people to help us count the birds and do something to help the birds. Many people do not understand the importance of the wetlands. We hope this information will help them understand it and make them actively take action to protect wildlife.
( )31. Which of the following sentences is NOT TRUE
A. There are a lot of red-crowned cranes in other parts of the world.
B. Some birds go to Zhalong National Nature Reserve for a short stay.
C. Zhalong National Nature Reserve is the comfortable home of many birds.
D. Birds can find food without difficulty in Zhalong National Nature Reserve.
( )32. Why are more and more birds endangered
A. Because many tourists watch them.
B. Because many of the birds died.
C. Because people have fewer and fewer places.
D. Because their living space is less and less.
( )33. What does the underlined word “endangered” mean in Chinese
A. 绝种的 B. 濒危的 C. 繁殖的 D. 食草的
( )34. This passage is written to_________.
A. ask people to do something for birds
B. help people learn about protecting wildlife
C. make people understand how important the wetlands are
D. ask students all over the world to watch birds
II. 语言点精练参考答案
一、1-5 CBBDA
二、6. is reading 7. to live ; moved 8. have known 9. was completed 10. be
三、11.begins with　 12.to turn them off 13.take action　 14.take part in 15.to pay for
四、16-20CDABC 21-25BBACD
五、26-30 FACDB
六、31-34ADBC
21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 （共 2 页）
HYPERLINK "http://www.21cnjy.com/" 21世纪教育网(www.21cnjy.com)