人教新目标(Go for it)版>九年级全册Unit 13 We're trying to save the earth Section A课后作业（含答案）

Unit 13 We're trying to save the earth!
Section A
一、单项选择
1．Be quiet! Dad ________ an online meeting now.
A．has B．is having C．will have D．has had
2．________ is the opposite of beautiful.
A．Clever B．Ugly C．Nice D．Kind
3．The students are very busy. They________ lessons in the classroom now.
A．have B．having C．are have D．are having
4．________ the computer at the moment
A．Did you use B．You’re using C．Are you using D．Do you use
5．—Sssh! Be quiet. I’m on the phone.
—Who ________ you ________ to, mom
A．do, speak B．are, speaking C．will, speak D．have, spoken
6．People ________ talk on a mobile phone while they are driving.
A．shouldn’t B．needn’t C．must D．can
7．—I don’t care what people think.
—Well, you______________. Some opinions are worth weighing.
A．might B．should C．could D．would
8．——How is your grandma
——She’s fine. She used to_____TV at home after supper. But now she is used to_____out for a walk.
A．watch;go B．watching;go C．watching;going D．watch;going
9．To make rivers than before, everybody is supposed to protect them.
A．dirty B．dirtier C．clean D．cleaner
10．Students ________ be aware of how learning habits will influence their learning outcomes.
A．must B．should C．can D．may
11．You're supposed to your shoes before you enter the room.
A．take off B．put off C．get off D．turn off
12．We ________ try our best to fight against pollution.
A．should B．may C．mustn’t D．needn’t
13．—You look pretty busy. What’s up
—We ________ for an office party this Friday evening. There will be about thirty people, and I am the organizer.
A．prepare B．have prepared C．are preparing D．were preparing
14．—Wow.your sweater is very beautiful! How much is it
—Thank you. It ____ me 30 dollars.
A．spend B．paid C．cost D．take
15．Li Ming used ________ on the right in China, but he soon got used ________ on the left in England.
A．to drive; to drive B．driving; driving C．to drive; to driving D．to driving; to drive
16．—Would you like to attend the farewell party next week, Mr. Huang
—Sure, I’d love to. I have no reason to ________ your invitation.
A．turn down B．turn off
C．turn up D．turn on
17．We ________ breathe the same breath and share the same future as Chinese people.
A．might B．should C．could D．would
18．Many kids laugh at Kim's looks and they think he is________.
A．clever B．ugly C．nice D．kind
19．— ________ you ________ TV at the moment
— No, you can turn it off.
A．Did; watch B．Are; watching C．Do; watch D．Have; watched
20．—Excuse me, will the plane for Beijing ________ in an hour
—I’m not sure. You can go to the Information Desk for help.
A．get off B．take off C．turn off D．show off
二、完形填空
Charlotte’s Web is a famous children’s book by American writer E.B．White. The book tells the story of a spider（蜘蛛）called Charlotte and a pig called Wilbur.
At the beginning of the book, Fern, an eight-year-old girl, saves Wilbur and takes good care of him. They live ____21____ together until one day when Wilbur is taken away to Fern’s uncle’s farm. There he meets Charlotte and they bring much ____22____ to each other. However, one day, they hear that people plan to ____23____ Wilbur on Christmas for food.
Charlotte wants to save Wilbur. So she works day and night to weave（编织）some words in her web, such as “Some pig” “Terrific” and “Humble（谦逊的）”. That seems ____24____! Those words not only ____25____ Wilbur, but also make people interested in Wilbur because they haven’t ____26____ such an unusual pig before. More and more people become ____27____ of Wilbur. As a result, Wilbur becomes ____28____, and nobody wants to kill him anymore. But Charlotte comes to the end of her life ____29____ her hard work.Wilbur then decides to take care of her children for her. He will remember Charlotte forever.
Charlotte’s Web is a book about _____30_____ and life. Friendship is our treasure, especially when we are in need. What’s more, we should learn to deal with fear and loneliness.
21．A．peacefully B．carefully C．silently
22．A．pain B．worry C．laughter
23．A．love B．kill C．feed
24．A．reasonable B．easy C．unbelievable
25．A．trust B．encourage C．surprise
26．A．seen B．found C．caught
27．A．fans B．enemies C．owners
28．A．dangerous B．boring C．safe
29．A．according to B．because of C．thanks to
30．A．love B．loneliness C．friendship
三、阅读单选
（一）
There are some easy things you can do to protect the environment and the earth. Choose ideas from the list or come up with a few of your own.
·Plant flowers, grass or trees.
·Whenever you visit a park or beach, take away what you bring there—keep rubbish in a bag until you can put it in a dustbin.
·Turn off the lights and TV sets when you leave the room. This can save a lot of electricity.
·Turn off the tap when you brush your teeth. You can save some water by not letting it run. Also, use a glass cup instead of a paper cup because this saves paper.
·Keep the doors and windows closed in winter to keep warm air in.
·Give your old books and magazines to a library instead of throwing them away.
·Give your old clothes to poor children you know instead of throwing them away.
·Use both sides of paper.
·Stop pouring dirty water into the rivers or lakes nearby.
·Encourage all your friends to do the same things you do to help protect the earth. You don’t have to wait until Earth Day to do these things. Make every day Earth Day. If everyone makes a contribution to protecting the environment, the world will become much more beautiful.
31．From the above, we know that this is_______.
A．a sign B．a proposal (倡议书)
C．an advertisement D．a notice
32．The writer tells us _______.
A．to throw rubbish in to a dustbin B．to pour dirty water into the rivers
C．to save water D．we can’t do these things until Earth Day
33．We can _______to save paper.
A．use a paper cup B．use both sides of paper
C．give old books to a library D．pick up waste paper at a school
34．Which of the following is wrong according to the writer
A．Turn off the lights when leaving the room. B．Close the doors and windows in winter.
C．Use a paper cup when brushing your teeth. D．Give your old clothes to the poor children.
35．What’s the best title of the passage
A．Protect the Earth B．Save Water and Electricity
C．Make Better Use of Old Things D．Save Money
（二）
The World Health Organization(世界卫生组织)says air pollution kills seven millionpeople around the world each year. Even if polluted air does not kill us, it can make us very sick.
However, breathing dirty air may do more than hurt your body. It can also affect (影响)your brain and your ability to think.
A new study shows that air pollution can cause a “huge” reduction(减少) in our intelligence(智商). The researchers reported that the long-term exposure(暴露) to air pollution can affect a person’s mental(智力) abilities in two areas: language and math.
Xi Chen, the researcher of the Yale School of Public Health led the study. He and his team found that breathing polluted air can reduce a person’s education level by about one year.Chen said that the effect (结果)generally is worse for those over 64 years of age, especially for men and for those with little or no education.
“The older persons — they are more affected. And we find, quite interestingly, men are more affected than women. And people working outdoors are more affected than people working indoors.”
The researchers noted that the effect of pollution on language ability is even more serious as people age, especially among men and the less educated.
Why were language skills more affected than math There are two main kinds of tissue(组织) in the brain: white matter and grey matter. White matter is more connected with a person’s language skills, while grey matter is connected to our ability to solve math problems. Studies have shown that air pollution has a great effect on the white matter in the brain, but not the grey matter.
Chen said that air pollution did affect the math skills, just not as much as their language skills.
36．Air pollution causes_______million people to die around the world each year.
A．one B．two C．seven D．sixty-four
37．Which is not true according to the passage
A．Breathing dirty air may hurt your body.
B．Breathing dirty air can affect your brain,
C．Breathing dirty air can affect your ability to think.
D．Breathing dirty air can make your immune system(免疫系统) strong.
38．The effect of breathing polluted air generally is worse for those people except __________.
A．men B．women
C．those with little or no education D．those over 64 years of age
39．In the sixth paragraph, “people working outdoors” probably refers to(指的是) “________”.
A．the researchers
B．people with little or no education
C．people from the World Health Organization
D．people from the Yale School of Public Health
40．Air pollution affected the language skills math skills.
A．as much as B．as little as C．more than D．less than
四、短文提示填空
How did we help to save our earth this week？Let me tell you.
First，my family tried to save electricity. We never left the lights on when ____41____ the rooms. We turned off the TV when nobody was watching it. Mum only used cold water in the washing machine.
Second，we started recycling this week. We tried to write on both s ___42___ of our paper，not just on one side. We also divided our rubbish into d ___43___ bags for bottles，paper and food. Mum kept the plastic shopping bags from the supermarket to use them again a ___44___ rubbish bags.
Third，my family started to save water. We stopped taking long baths and took short showers i___45___.We washed the toilet with ___46___（use）water. Mum and dad used less water to do the washing. My sister and I didn't leave the water ___47___（run）when we brushed our ___48___（tooth）.
At last，mum and dad began to save gas（汽油）. Mum used to d___49___ us to school，but now my sister and I started riding our bikes to school. It's hard work ____50____ good exercise！This week dad and a few of the people in his company also started to go to work in one car and share the cost.
These are great ways to help save our environment.
五、根据对话内容，在空白处写出恰当的句子，使对话意思连贯完整。所写句子应与所给的标点符号一致。
A：Hi，Alice.Would you like to help save the environment
B：21.________51________. But I don't know how to do it.
A：First，you can start by turning off the lights.
B：22._______52_______. I'll do it from now on.What's next
A：Well.Can you ride a bike
B：23._______53_______. I ride a bike to school every day.
A：So second，ride a bike or walk.Sometimes riding a bike or walking is faster than driving a car.The traffic is too heavy.
B：24._______54_______. What else
A：Third，you can save water.
B：25._____________55_____________
A：That's easy.Turn off the shower when you're not using it.
B：You are an environmental protector.I'll learn from you！Thanks a lot.
A：You're welcome.
六、将所给单词连成句子
56．for, are, what, you, looking
________________________________
57．a speech competition, will, take part in, she, next week
_______________________________________________________________.
58．reading, is, in, Mary, the library
_________________________________________________
59．them, workers, are, food, feeding
______________________.
60．he, is, taking, carefully, notes
____________________________________________________________________________________________
七、从方框中选择恰当的词或短语并用其正确的形式填空，每个单词或短语仅用一次。
easy; visit; stand for; set up; by oneself; try out for; hand out; because of; be a member of; chat with
61．Daniel __________ our school art club since a month ago.
62．Xiaomi plans __________ an e-waste recycling program so that people can donate or sell their old electronics there.
63．Bing Dwen Dwen __________ the spirit of the Olympics, including a strong mind and a healthy body.
64．—Why didn’t you join our discussion yesterday, Nora
—Sorry, I __________ my teacher about my composition the whole afternoon.
65．Huaguo Mountain is famous for Journey to the West. Thousands of __________ come to our city for sightseeing every year.
66．To our surprise, the twins __________ the talent show next Sunday.
67．Students now have more colourful activities at school __________ the double reduction policy (双减政策）.
68．—Where is the boys, Lily
—They __________ leaflets in the street.
69．Through hard work, I think you can finish the work __________.
70．Students should do housework __________. Don’t always depend on parents.
八、讲稿
节约资源，保护环境，要从我们身边的小事做起。假设你是一个注重“低碳生活”的中学生，请以“My Low-carbon Life”为题写一篇英文演讲稿，简单谈谈“低碳生活”的重要性，以及你所倡导的“低碳生活”方式。
提示：1. 每天步行上学；2. 离开教室时，关闭灯、风扇电脑等；3. 不用水时，记住关水龙头，而且要循环使用水；4. 不使用塑料袋。
要求：1. 词数80-100；2. 可适当增加细节，以使行文连贯；3. 文中不能出现真实姓名及学校名称；4. 短文题目、开头和结尾已给出，不计入总词数。
My Low-carbon Life
It’s our duty to protect the environment.
________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Lower-carbon life, happier life. Let’s take action .
参考答案
1--10BBDCB ABDDB 11--20AACCC ABBBB 21--30ACBCB AACBC
31--40BCBCA CDBBC
41．leaving 42．sides 43．different 44．as 45．instead
46．used 47．running 48．teeth 49．drive 50．but
51．I’d love to 52．Good idea 53．Yes’I can 54．I think so 55．But how should I do it
56．What are you looking for
57．She will take part in a speech competition next week##Next week she will take part in a speech competition
58．Is Mary reading in the library
59．Workers are feeding them food
60．Is he taking notes carefully
61．has been a member of 62．to set up 63．stands for 64．was chatting with
65．visitors 66．will try out for 67．because of 68．are handing out
69．easily 70．by themselves
八、讲稿
My Low-carbon Life
It’s our duty to protect the environment.
The environment is becoming worse and worse. We must live a low-carbon life to protect the environment. First, we can go to school on foot every day. Second, we should save electricity by turning off the fans, computers and lights in time when we leave the classroom. What’s more, water should be saved and reused by us. We need to turn off the taps when we don’t use water. At last, remember to go shopping with baskets or cloth bags rather than plastic bags. I believe our life will become better and better if we can do these things.
Lower-carbon life, happier life. Let’s take action.