仁爱版英语九年级上册Unit 2 Saving the earth.单元综合与测试（含解析）

Unit 2 单元综合与测试
一、单项选择
1．They are able to sing a lot of English songs.
A．must B．can C．have to D．should
2．—How can I improve my spoken English
—You need to practice speaking every day ________ you hope to improve your spoken English.
A．unless B．if C．although
3．—Do you know what A Herbalist’s Manual (《本草纲目》) is
—Of course, Will Liu’s workout routines (健身操). The popularity of them ________ recently.
A．rise B．will rise C．has risen
4．—What do you think of your exchange visit, Sally
—Great. We tried to paint some pictures ourselves. ________ I haven’t had much success, I’ll keep trying.
A．Although B．While C．Unless
5．________ the situation is too bad, the doctors are still trying their best to save the patients.
A．Because B．Whether C．When D．Though
6．Many short videos are very popular online, ________ the ones that share life skills.
A．especially B．completely C．suddenly
7．—What are the chopsticks for
—Well, those are serving chopsticks. They ________ reduce the spread of some diseases.
A．can B．must C．should
8．Many young people like drinking cola ________ it’s not good for health.
A．because B．if C．so D．though
9．—All the volunteers were very tired at the Beijing Winter Olympics, but ________ of them had a rest.
—They were busy helping the players.
A．both B．neither C．none
10．Last term he worked harder so that he could catch up with his classmates.
A．in order to B．in order that C．all that D．such that
二、完形填空
Bike-sharing is a new choice for short journeys in cities, It is good to the ___11___ development of the big cities.
A ___12___ by a company found that shared bikes started the nation’s ___13___ for bikes again. Now more and more Chinese people are ___14___ bikes instead of cars to make short journeys in cities.
An engineer of the company says that since the ___15___ of shared bikes, people have made fewer trips by car. The love for shared bikes is not only among ___16___ people, who were born in the 1980s and 1990s, but also among people over sixty.
At weekends, the number of the riders in Shenzhen reaches the ___17___ of all cities. On weekdays, the number of people who use shared bikes to travel to work is ___18___ in Shanghai.
It is said that bike-sharing will help ___19___ the cities’ environment. It not only helps solve the traffic problems, but also will help to make more use of ____20____ in cities. Take Beijing as an example; if more people choose shared bikes, an area of five Bird’s Nest stadiums will be saved.
11．A．slow B．healthy C．harmful D．sudden
12．A．rule B．plan C．report D．suggestion
13．A．search B．love C．preparation D．worry
14．A．choosing B．pushing C．repairing D．locking
15．A．end B．start C．control D．fall
16．A．strong B．weak C．old D．young
17．A．top B．side C．corner D．line
18．A．coming over B．putting off C．going up D．giving away
19．A．discover B．separate C．experience D．improve
20．A．air B．time C．space D．money
阅读下面的短文，掌握其大意，然后从短文后各题所给的A、B、C三个选项中，选出可以填入空白处的最佳选项。
Did you throw something away today The answer for most people would be yes. But where does our ___21___ go
It doesn’t just sit in the rubbish bin. Every day, ___22___ come to take the rubbish from our rubbish bins. They put it into a big truck and ___23___ it to landfills（垃圾填埋场）. At the landfill, people sort（分类）the rubbish. They recycle some, ___24___ some and bury（埋）some of it underground. The more rubbish gets recycled, the ___25___. It means that less rubbish ends up in landfills. Landfills can also be bad for the environment.
So many Chinese cities encourage everyone to sort out their rubbish ___26___ throwing it away. Put the food in one bag. Put the plastic bottles in ___27___. And throw them in the right rubbish bins. In this way, we can help ___28___ a lot of time, money and energy for all of society.
Many foreign ___29___ have good sorting systems（系统）. So they have higher recycling rates（比率）. In Sweden, only 4 percent of household waste ___30___ in landfills every year. In Japan, people recycle nearly 50 percent of all rubbish.
There is ___31___ a lot to do when it comes to rubbish sorting in China. People in the country make about 300 million tons of rubbish every year. ___32___ they only recycle less than a quarter of the waste. The ___33___ of it ends up in landfills. Most of it is unsorted. The good news is that many cities are trying different ways to make things better. Beijing will start a new program to ___34___ rubbish sorting next year. If people sort out their rubbish, they’ll ___35___ WeChat bonus points（加分）. They can exchange the bonus points for shopping cards!
21．A．transportation B．rubbish C．creativity
22．A．policemen B．scientists C．workers
23．A．carry B．borrow C．overcome
24．A．buy B．burn C．sell
25．A．better B．worse C．less
26．A．after B．unless C．before
27．A．the others B．another C．others
28．A．separate B．discover C．save
29．A．countries B．cities C．people
30．A．gets up B．ends up C．puts up
31．A．already B．never C．still
32．A．But B．And C．So
33．A．piece B．rest C．kind
34．A．invent B．throw C．improve
35．A．get B．finish C．spare
三、阅读单选
In China, Tree Planting Day arrives on March 12, but more often people plant trees during Qingming Festival in early April. Trees can survive (成活) more easily with a warmer climate (气候) and often spring rains fall at that time.
Planting willows (柳树) during the Qingming Festival is a traditional custom in China. March 12 was set as national tree planting day in 1979 in memory of Sun Yat-sen, who died on March 12, 1925. Sun had called for planting trees.
Since 2013, President Xi Jinping has joined Beijing citizens in tree planting activities. President Xi called on the public to stick to the tradition of planting trees in spring and could build an ecological civilization with the government’s continuous efforts. Students should set up a sense of protecting the environment and cherish the green plants, Xi said in 2017 when attending a tree planting activity in Chaoyang district of Beijing.
China has seen a remarkable growth in forest resources and planting projects. Nationwide voluntary tree planting campaigns in China over the past forty years have seen increased participation (参与) by members of the public and nearly 79 billion trees have been planted.
“Our forest coverage rate has risen from 12% in the early 1980s to 23.04% now. Our forest has increased from 9.028 billion cubic meters (立方米) to 17.56 billion cubic meters. The campaign has made China the country with the largest increase in forest resources and the largest area of planted forests,” said Zhang Wei, a senior official of the National Forestry and Grassland Administration in 2021.
36．Why was Tree Planting Day set on March 12
A．Because trees planted at that time can survive easily.
B．Because planting trees on that day is a traditional custom.
C．Because it is in memory of Sun Yat-sen.
D．Because President Xi had called for planting trees on that day.
37．What does the underlined word “remarkable” mean in the fourth paragraph
A．显著的 B．平常的 C．微弱的 D．惊奇的
38．The fourth and fifth paragraphs mainly tell us ________.
A．President Xi Jinping has joined Beijing citizens in tree planting activities
B．our country has made great achievements in planted forests
C．nationwide voluntary tree planting campaigns started 40 years ago
D．we should take an active part in planting trees
39．The passage was written to ________.
A．stick to the traditions B．praise President Xi Jinping
C．protect the environment D．call for planting more trees
The Amazon rainforest in South America, at seven million k㎡, is the largest rainforest in the world. The forest is important for people all over the world, because it produces a lot of oxygen, and also helps to cool the weather. But large areas of the rainforest are being cut down for wood—55% of the forest could be gone by 2030! The World Wildlife Federation is helping to stop some areas of the rainforest from being cut down.
At 68,000 k㎡, the Aral Sea was one of the largest lakes in the world before the 1960s. Then rivers were diverted (改道) and it has been getting smaller ever since. By 2007, it was only 10% of its original size and had split into three separate lakes. There are constant dust storms and the villages sit on the edge of a vast desert with large ships stranded (搁浅) in its sand. Adam (水坝) had been built to try to restore higher water levels in the North.
In China, about 3,600 2k㎡of grassland near the Gobi turns into desert every year. There are often storms that blow dust all the way to Beijing. The storms are getting worse each year and have a deep impact on farmers. The goal of the Green Wall Project, started in 1978, is to increase forests in northern China from 5% to 15% in order to stop the desert from growing. The project faces many challenges. However, people must never give up on it.
40．What’s the size of the Amazon rainforest
A．3,600 k㎡. B．68,000 k㎡. C．7,000,000 k㎡.
41．Why did Aral Sea get smaller
A．The rivers were diverted.
B．The large ships were stranded in its sand.
C．Large areas of the rainforest were cut down.
42．What did the government do to stop the desert from growing in China
A．Building a dam.
B．Setting up the Green Wall Project.
C．Asking World Wildlife Federation for help.
43．What does the passage mainly talk about
A．Weather. B．Forest. C．Environment.
四、阅读填表
This week, our topic is pollution. What are the answers to all of our pollution problems We asked two experts to give their views.
Forest Smith is a member of Green First, an environmental group.
Our future on the Earth looks very bad. We are dumping waste on our land. We can’t breathe the fresh air. The sea is polluted, too.
I visited some relatives recently in a small village. They grow their own food and cycle everywhere. They are not wealthy, but they are happy and healthy.
We must close the factories producing useless products. That will reduce rubbish and air pollution. We must recycle more, give up all cars, and improve public transport.
A big problem is overpopulation in big cities. We must give up big cities and factories, and go back to a simple way of life.
John Green is a scientist at a university.
Things are not as had as Forest says. We’ll have a bright future. We don’t need to give up cars but we need to invent better, cleaner engines.
This won’t stop the problem of traffic jams. So we need better public transport. We should also recycle more.
But some things are getting better. My sister returned last month after living abroad for five years. She sad, “Our neighbourhood doesn’t look the same as before—it is cleaner and greener now.”
In a word, science has brought many improvements to our life.
Forest Smith: A member of an ___44___ group Our future on the Earth looks bad. ● We’re ___45___ waste on our land.● The fresh air can’t be breathed in.● People ___46___ the sea.● The population in big cities is very ___47___ .
What can we do ● ___48___ some factories will reduce rubbish and air pollution.● We must recycle more and ___49___ the public transport better.
Conclusion: We must go back to a simple way of life.
John Green: A ____50____ at a university We still have a ____51____ future. ● Better and cleaner engines are ___52___ because we can’t give up cars.● We also need better transport and to recycle more.
Conclusion: Life has been ____53____ a lot because of science.
五、阅读回答问题
阅读下面的短文，根据短文内容回答问题。
In China, more and more people have realized the seriousness of climate (气候) change. Many young people have been living a low-carbon (低碳) life.
Zheng Xiyu is one of them. She has been trying to reduce her carbon footprint. Every morning, she takes a bus to her office. It takes her about 40 minutes. But Zheng has been thinking of changing this. She wants to try a different mode of transportation (交通方式) — cycling. Riding a bicycle to work, the lady says, takes about the same amount (量) of time as taking a bus. “However, cycling is more convenient,” she adds. “it’s better for the environment and my health.”
Professor Li Lin has also been leading a low-carbon lifestyle. Her office uses energy-saving lights. These lights are turned out automatically (自动地) when they are not needed. This has saved a large amount of electricity. Another way to save energy is to double-print the paper. Prof. Li says small actions like these mean a lot in terms of protecting the environment. “Let’s say you have saved one ton of paper. That means you have saved one ton of energy used for producing the paper. That’s about two and a half tons of CO2,” Prof. Li says.
Lin Hui always chooses products with a longer shelf life when he shops. He says this helps to reduce waste. Two years ago, Lin and his friends set an environment website, where there are many tips on saving energy and protecting the environment.
It’s easy to change to a low-carbon lifestyle. Everybody can do this and make a difference.
54．How long does it take Zheng Xiyu to get to work by bicycle
________________
55．In Zheng’s opinion, what are the advantages of cycling to work
________________
56．How does Professor Li lead a low-carbon lifestyle
________________
57．Why does Lin Hui prefers products with a longer shelf life
________________
58．Is it hard for you to live a low-carbon life daily
________________
六、阅读还原5选5
从短文后所给的五个选项中选出能填入短文空白处的最佳选项，使短文通顺、连贯，意思完整。
Scientists are trying to make the desert into field again._____59_____ so people can live there and grow crops. They are learning a lot about the desert._____60_____ Scientists may not be able to change the desert in a short time.
_____61_____ Scientists think people are doing bad things to the earth.
Some places on the earth don’t get much rain. But they still haven’t become desert._____62_____ Small green plants and grass are very important to dry places. Plants prevent the sun from making the earth dry. Plants prevent the wind from blowing the dirt away. When a bit of rain falls, the plants hold the water. _____63_____
A．But more and more land is becoming desert all the time.
B．This is because some green plants are growing there.
C．Without plants, the land can become desert easily.
D．They want to bring water to the desert.
E．Why is more and more land becoming desert
A problem is only a problem until there is a solution. We find solutions by thinking creatively.
____64____ In other words, we think outside the box. Sometimes, thinking outside the box solves not just one, but two problems. Amsterdam is one of the most crowded cities in Europe. As a result, housing is very expensive, especially for students.
____65____ However, finding this type of apartments was almost impossible until recently. While the colleges in Amsterdam were trying to solve the housing problem, thousands of shipping containers were lying quietly in ports around the world. These huge steel containers carry products from one country to another. The life of each container is about 10 years. ____66____ Yet they can’t recycle all of them because there are so many.
Back in Amsterdam, a company came up with an amazing idea. Why not reuse these shipping containers as student apartments ____67____ They are all the same size and fit together perfectly.
The steel is strong. Moreover, these containers are so widely available that they are quite cheap to buy. For all these reasons, they can be used to build apartments quickly and cheaply. Building began in 2005, and after only a few weeks, hundreds of Amsterdam students had new homes.
When students first heard about this idea, they thought the container apartments would be small, noisy, and cold. ____68____ Each container apartment has a kitchen, a bedroom with a study area, and a bathroom. The apartments are warm and quiet. They even have a high-speed internet connection. Living in a shipping container has become popular. Today, over 3,000 Amsterdam students live in the container village.
Word banksolution 解决办法containers集装箱port 港口
根据材料内容，从下面五个选项中选出能填入文中空缺处的最佳选项，使文章意通顺、内容完整。A．Students need low cost apartments.
B．The containers are great for building apartments.
C．However, they were surprised when they saw them.
D．Steel companies recycle some of the old containers.
E．We use our imagination and come up with creative ideas.
七、语法填空
阅读下面短文,在空白处填入一个适当的词,或填入括号中所给单词的正确形式
What do you know about Mount Qomolangma At 8844.43 meters high, Mount Qomolangma is the_____69_____( tall) mountain on the earth. While it is famous_____70_____its challenging hike, parts of the mountain are facing a problem: rubbish.
According to the UN report, over 140 tons of rubbish has been left on the mountain._____71_____ an unbelievable number! To reduce(减少) rubbish, China is limiting(限定) the number of people who can climb the____72____( mountain) north side. Only 300 people will______73______ ( allow) to climb it each year, and only during spring.
Last year, local people removed rubbish on the mountain at a height of 5, 200 meters. They_____74_____ ( collect) about 8. 4 tons of rubbish, according to the Tibet government. This year the local government plans to spend 4 million yuan______75______( set) up a new clean-up campaign, recycle and break down the rubbish from the mountain.
What’s more, trash workers will also collect the bodies of_____76_____( die) climbers. Since the 2019 climbing season, more than 300 people_____77_____( lose) their lives on Qomolangma.
A group of artists will try to turn some rubbish into art works. They will show these works_____78_____ ( wise) to remind people not to leave rubbish when climbing the mountain. Hope it goes well!
Are you facing a situation that looks impossible to fix
In 1969, the pollution was terrible along the Cuyahoga River Cleveland, Ohio. It ____79____(be) unimaginable that it could ever be cleaned up. The river was so polluted that it ____80____(actual) caught fire and burned. Now, years later, this river is one of ____81____most outstanding examples of environmental cleanup.
But the river wasn't changed in a few days ____82____even a few months. It took years of work ____83____(reduce) the industrial pollution and clean the water. Finally, that hard work paid off and now the water in the river is____84____(clean) than ever.
Maybe you are facing an impossible situation. Maybe you leave a habit ____85____is driving your family crazy. Possibly you drink too much or don't know how to control your credit card use. When you face such an impossible situation, don't you want a quick fix and something to change immediately
While there are ____86____(amaze) stories of instant transformation, for most of us the ____87____(change) are gradual and require a lot of effort and work, like cleaning up a polluted river. Just be ______88______(patience).
参考答案：
1．B【详解】句意：他们能唱很多英文歌曲。
考查词义辨析。must必须；can能；have to不得不；should应当，应该。由“They are able to sing a lot of English songs.”可知，“are able to”意为“能够”，故选B。
2．B【详解】句意：——我怎样才能提高我的口语？——如果你希望提高口语，你需要每天练习说英语。
考查连词。unless除非；if如果；although虽然。根据“You need to practice speaking every day”以及“you hope to improve your spoken English.”可知，此处应用if，表示条件，即“如果你希望提高口语”。故选B。
3．C【详解】句意：——你知道什么是《本草纲目》吗？——当然，刘畊宏的健身操。它们的受欢迎程度最近有所上升。
考查时态。recently“最近”指事情发展从过去到现在，是现在完成时态的标志，故选C。
4．A【详解】句意：——萨莉，你觉得你们的互访怎么样？——太棒了。我们试着自己画一些画。虽然我没有取得多大成功，但我会继续努力。
考查连词。Although虽然，可以置于句首；While然而，不能置于句首；Unless除非。根据“I haven’t had much success, I’ll keep trying.”可知，“我没有取得多大成功”和“我会继续努力”之间为让步关系，空格位于句首，应用although引导让步状语从句，故选A。
5．D【详解】句意：尽管情况太糟糕了，医生们仍在尽力抢救病人。
考查连词辨析。Because因为；Whether是否；When当……时；Though虽然。前后两句构成让步关系，用Though引导让步状语从句，故选D。
6．A【详解】句意：许多短视频在网上非常流行，尤其是那些分享生活技能的视频。
考查副词。especially尤其是；completely完全地；suddenly突然地。根据语境可知，空格处应填一个用来对前面所陈述的事做进一步说明或补充的单词。故选A。
7．A【详解】句意：——筷子是干什么用的？——嗯，那些是公筷。 它们可以减少某些疾病的传播。
考查情态动词。can可以；must必须；should应该。根据“…reduce the spread of some diseases.”可知，此处指公筷可以减少某些疾病的传播。故选A。
8．D【详解】句意：很多人喜欢喝可乐，尽管可乐对健康不好。
考查连词用法。because因为，引导原因状语从句；if如果，引导条件状语从句，so所有，引导结果状语从句；though尽管，虽然，引导让步状语从句。分析主句和从句的关系可知，它们是转折关系，因此用“though”引导的让步状语从句。故选D。
9．C【详解】句意：——在北京冬奥会上，所有的志愿者都很累，但是他们没有一个人休息。——他们忙着帮助运动员。
考查不定代词。both两者都；neither两者都不；none全都不（三者或三者以上）。此处代指“All the volunteers”，可知人数在三者或三者以上，根据答语“They were busy helping the players.”可知志愿者都在帮助运动员，没有人休息。应是表示否定意义的none。故选C。
10．B【详解】句意：上学期他努力学习以便赶上同学。
考查目的状语从句。in order to为了，后加短语；in order that为了，引导目的状语从句；all that到那种程度；such that到这样的程度。so that以便，为了，是引导目的状语从句，可以和in order that互换，故选B。
11．B 12．C 13．B 14．A 15．B 16．D 17．A 18．C 19．D 20．C
【分析】本文介绍了共享单车有利于城市的健康发展。共享单车将有助于改善城市环境。它不仅有助于解决交通问题，而且也将有助于更多地利用城市空间。
11．句意：这有利于大城市的健康发展。
slow缓慢的；healthy健康的；harmful有害的；sudden突然的。根据前文的“Bike-sharing is a new choice for short journeys in cities.”可知，共享单车是环保的，因此对城市的健康发展有好处。故选B。
12．句意：一家公司的一份报告发现，共享单车再次点燃了中国人对自行车的热爱。
rule规则；plan计划；report报道；suggestion建议。根据“found that shared bikes started the nation’s…for bikes again.”可知，能发现共享单车再次点燃了中国人对自行车的热爱，应是一篇报道，故选C。
13．句意：一家公司的一份报告发现，共享单车再次点燃了中国人对自行车的热爱。
search搜寻；love喜欢；preparation建议；worry担心。根据后文的“Now more and more Chinese people are…bikes instead of cars to make short journeys in cities.”可知，越来越多的人选择自行车，因此表示他们喜欢自行车，故选B。
14．句意：现在越来越多的中国人正选择自行车而不是汽车来进行城市里的短途旅行。
choosing选择；pushing推；repairing修理；locking锁。根据“to make short journeys in cities.”可知，在城市里进行短途旅行，因此选择骑自行车，故选A。
15．句意：该公司的一名工程师表示，自从共享单车开始使用以来，人们开车出行的次数减少了。
end结束；start开始；control控制；fall倒下。根据“people have made fewer trips by car.”可知，人们开车出行的次数减少，应是从开始使用共享单车以来，故选B。
16．句意：热爱共享单车的不仅是80后和90后的年轻人，还有60岁以上的人。
strong强壮的；weak虚弱的；old年老的；young年轻的。根据“who were born in the 1980s and 1990s,”可知，出生在80后和90后，应是年轻人，故选D。
17．句意：在周末，深圳的骑乘人数在所有城市中都是最多的。
top顶部，顶端；side边；corner角；line线。根据“of all cities”可知，此处比较所有城市中骑自行车人数，因此排在顶端，故选A。
18．句意：在工作日，上海使用共享单车上班的人数正在上升。
coming over来到；putting off推迟；going up上升，上涨；giving away赠送。根据主语 “the number of people”可知，此处表示人数上升，选C。
19．句意：据说共享单车将有助于改善城市环境。
discover发现；separate分开；experience经历；improve提高，改善。根据前文的“It is good to the…development of the big cities.”可知，共享单车能改善城市环境，故选D。
20．句意：它不仅有助于解决交通问题，而且也将有助于更多地利用城市空间。
air空气；time时间；space空间；money金钱。根据后文的“if more people choose shared bikes, an area of five Bird’s Nest stadiums will be saved.”可知，如果更多的人选择共享单车，五个鸟巢体育场的面积将被节省下来。因此有助于更多地利用城市空间，故选C。
21．B 22．C 23．A 24．B 25．A 26．C 27．B 28．C 29．A 30．B 31．C 32．A 33．B 34．C 35．A
【分析】这篇文章主要介绍了对人们每天制造的垃圾的处理办法，如回收一些，焚烧一些，在地下埋一些，许多国家对垃圾有良好的分类系统。北京将计划在明年改善垃圾分类，如果人们垃圾分类，他们会获得微信积分，积分可以兑换购物卡。
21．句意：但是我们的垃圾到哪里去了？
transportation运输；rubbish垃圾；creativity创造力。根据“Did you throw something away today ”可推断，此处应该是询问“垃圾”去哪儿了。故选B。
22．句意：每天，工人们都来从我们的垃圾箱里取垃圾。
policemen警察们；scientists科学家们；workers工人们。根据常识可知，应该是环卫“工人们”收垃圾。故选C。
23．句意：他们把它放进一辆大卡车里，运到垃圾填埋场。
carry输送、运载；borrow借；overcome克服。根据“They put it into a big truck”和“to landfills”可推断，应该是“运送”垃圾。故选A。
24．句意：他们回收一些，焚烧一些，然后往地下的填埋一些。
buy买；burn焚烧；sell出售。根据“and bury some of it underground.”和常识可知，空格处应该是表达“焚烧”垃圾。故选B。
25．句意：垃圾回收越多越好。
better越好；worse越差；less更少。根据“It means that less rubbish ends up in landfills.”可推断，空格处应该是表达“更好”。故选A。
26．句意：许多中国城市鼓励每个人在扔掉垃圾之前先把垃圾分类。
after在……之后；unless除非；before在……之前。根据“So many Chinese cities encourage everyone to sort out their rubbish”和常识可推断，应该是扔垃圾“之前”分类。故选C。
27．句意：把塑料瓶放在另一个袋子里。
the others其他人（指剩余的全部）；another另一个；others其他人。根据“Put the food in one bag.”可推断，此处指把瓶子放到“另一个”袋子。故选B。
28．句意：这样，我们可以为全社会节省大量的时间、金钱和精力。
separate分离；discover发现；save节省。根据“And throw them in the right rubbish bins.”可推断，应该是“节省”时间、金钱和精力。故选C。
29．句意：许多国外的国家都有很好的分拣系统。
countries国家；cities城市；people人们。根据“In Sweden… In Japan…”可知，下文列举的是国家，由此推断，空格处填“国家”。故选A。
30．句意：在瑞典，每年只有4%的家庭垃圾被填埋。
gets up起床；ends up结束、到头来；puts up张贴。根据“So they have higher recycling rates”可推断，应该是一年“结束”时。故选B。
31．句意：在中国，垃圾分类还有很多工作要做。
already已经；never决不；still仍然。根据“when it comes to rubbish sorting in China”和上文内容可推断，空格处应该是表达中国“仍然”有很多需要做的。故选C。
32．句意：但他们只回收了不到四分之一的废物。
But但是；And并且；So所以。根据空格前后句可知，此处构成转折，用“But”。故选A。
33．句意：剩下的都被填埋了。
piece块、片；rest剩余部分；kind种类。根据“they only recycle less than a quarter of the waste.”可推断，应该是“剩余的垃圾”被填埋。故选B。
34．句意：北京将于明年启动一项新计划，以改善垃圾分类。
invent发明；throw扔；improve改善。根据“Beijing will start a new program”和上文内容可推断，北京应该是为“改善”垃圾分类而启动新计划。故选C。
35．句意：如果人们清理垃圾，他们将获得微信加分。
get得到、获得；finish结束；spare留出。根据“If people sort out their rubbish”可推断，应该是“获得”微信加分。故选A。
36．C 37．A 38．B 39．D
【导语】本文主要介绍了清明节植树的传统及我国在植树方面的成就，呼吁人们种更多的树。
36．细节理解题。根据“March 12 was set as national tree planting day in 1979 in memory of Sun Yat-sen, who died on March 12, 1925. Sun had called for planting trees.”可知植树节定在3月12日是为了纪念孙中山先生。故选C。
37．词义猜测题。根据“China has seen a remarkable growth in forest resources and planting projects. Nationwide voluntary tree planting campaigns in China over the past forty years have seen increased participation by members of the public and nearly 79 billion trees have been planted.”可知中国植树活动越来越多且公众参与度越来越高，种植了近790亿棵树，由此可知中国的森林资源和造林工程显著增长，remarkable意为“显著的”。故选A。
38．段落大意题。通读四、五段可知这两段主要告诉我们我国在人工造林方面取得了巨大成就。故选B。
39．主旨大意题。本文主要介绍了清明节植树的传统及我国在植树方面的成就，呼吁人们种更多的树。故选D。
40．C 41．A 42．B 43．C
【导语】本文是一篇说明文，以几个地方为例，介绍环境的现状，呼吁我们保护环境。
40．细节理解题。根据“The Amazon rainforest in South America, at seven million k㎡”可知，南美洲的亚马逊雨林有七百万平方千米，故选C。
41．细节理解题。根据“Then rivers were diverted and it has been getting smaller ever since.”可知，河流改道，河道就越来越小了。故选A。
42．细节理解题。根据“The goal of the Green Wall Project, started in 1978, is to increase forests in northern China from 5% to 15% in order to stop the desert from growing.”可知，始于1978年的“绿墙工程”的目标是将中国北方的森林数量从5%增加到15%，以阻止沙漠的生长。故选B。
43．主旨大意题。本文以几个地方为例，介绍环境的现状，呼吁我们保护环境。故选C。
44．environmental 45．dumping 46．pollute 47．large 48．Closing 49．make 50．scientist 51．bright 52．needed 53．improved
【导语】本文是对两位专家就环保问题进行的访谈。他们就环保问题发表了各自的看法。
44．根据第二段中“Forest Smith is a member of Green First, an environmental group.”可知Forest Smith是环保组成员之一，填environmental。
45．根据第三段第二句“We are dumping waste on our land.”可知我们正在我们的土地上倾倒废物。故填dumping。
46．根据第三段中“The sea is polluted, too.”可知海洋被污染了，此句是主动语态，故填pollute。
47．根据第六段第一句“A big problem is overpopulation in big cities.”可知，大城市人口很多。人口数量（population）经常用large/small修饰，表示人口数量大或小。故填large。
48．根据第五段一二句“We must close the factories producing useless products. That will reduce rubbish and air pollution.”可知，关闭一些工厂减少垃圾和空气污染，close“关闭”，作主语用动名词。故填Closing。
49．根据第五段中“We must recycle more, give up all cars, and improve public transport.”和第九段中“So we need better public transport. We should also recycle more.”可知，我们必须更多地回收利用，放弃所有的汽车，改善公共交通。improve public transport和need better public transport意思为“make the public transport better改善公共交通”，故填make。
50．根据第七段“John Green is a scientist at a university.”可知，John Green是大学里面的一位科学家。填scientist。
51．根据第八段第二句“We’ll have a bright future.”可知，我们有一个光明的未来。填bright。
52．根据第八段第三句“We don’t need to give up cars but we need to invent better, cleaner engines.”可知，我们需要更好的和更清洁的发动机因为我们不能放弃汽车，此句是被动语态，be动词后用过去分词，need的过去分词是needed。故填needed。
53．根据最后一句In a word, science has brought many improvements to our life.可知，.因为科学，生活有了很大的改善，此句是现在完成时的被动语态，空格处填“改善”过去分词，improve“改善，提高”，过去分词是improved。故填improved。
54．About 40 minutes. 55．Cycling is more convenient and it’s better for the environment and her health. 56．By using energy-saving lights and double-printing the paper. 57．Because it helps to reduce waste./To help to reduce waste. 58．No (, it isn’t).
【导语】本文介绍了几个人的低碳生活方式。
54．根据“Every morning, she takes a bus to her office. It takes her about 40 minutes. Riding a bicycle to work, the lady says, takes about the same amount (量) of time as taking a bus.”可知，她乘公共汽车去办公室，大约需要40分钟，骑自行车花费的时间和乘公共汽车花费的时间一样多。故填About 40 minutes.
55．根据“However, cycling is more convenient...it’s better for the environment and my health.”可知，骑自行车更方便，而且对环境和健康都有好处。故填Cycling is more convenient and it’s better for the environment and her health.
56．根据“Her office uses energy-saving lights...Another way to save energy is to double-print the paper.”可知，她的办公室使用节能灯，而且双面打印纸张。故填By using energy-saving lights and double-printing the paper.
57．根据“Lin Hui always chooses products with a longer shelf life when he shops. He says this helps to reduce waste.”可知，林辉购物时总是选择保质期较长的产品，这有助于减少浪费。故填Because it helps to reduce waste./To help to reduce waste.
58．根据“It’s easy to change to a low-carbon lifestyle.”可知，改变低碳生活方式很容易，所以使用否定回答。故填No (, it isn’t).
59．D 60．A 61．E 62．B 63．C
【分析】本文主要讨论了土地沙漠化的现状以及分析了种植植物可以减少沙漠化的原因。
59．根据后句“so people can live there and grow crops.”可知，前后为因果关系。选项D“他们想要把水带到沙漠。”符合语境。故选D。
60．根据后句“Scientists may not be able to change the desert in a short time.”可知，科学家短期内无法解决。选项A“但是越来越多的土地在变成沙漠。”符合语境。故选A。
61．根据后句“Scientists think people are doing bad things to the earth.”可知，科学家认为是人类对地球做了一些坏事，是土地变成沙漠的原因。选项E“为什么越来越多的土地变成沙漠？”符合语境。故选E。
62．根据前句“But they still haven’t become desert.”可知，一些地方没有变成沙漠。选项B“这是因为在那长着绿色的植物”为其原因，符合语境。故选B。
63．根据前句“When a bit of rain falls, the plants hold the water.”可知，当雨落下时，植物会留住水分。选项C“没有植物，土地很容易变成沙漠。”符合语境。故选C。
64．E 65．A 66．D 67．B 68．C
【分析】短文讲了解决旧集装箱问题的方法，一些被钢铁公司回收，一些被建成了学生公寓，现在有很多学生住在集装箱的公寓里。
64．根据“We find solutions by thinking creatively.”可知，这里说的是创造性的思维；结合选项，E选项“我们运用我们的想象力，提出创造性的想法。”符合，故选E。
65．根据“As a result, housing is very expensive, especially for students.”以及“However, finding this type of apartments was almost impossible until recently.”可知，这里说的是有关住房的问题，特别是对于学生的情况，选项A“学生需要廉价公寓。”符合，故选A。
66．根据“The life of each container is about 10 years.”以及“Yet they can’t recycle all of them because there are so many.”可知，这里说的是回收集装箱，选项D“钢铁公司回收一些旧集装箱。”符合，故选D。
67．根据“Why not reuse these shipping containers as student apartments ”可知，这里说的是建公寓的情况，选项B“这些集装箱非常适合建造公寓。”符合，故选B。
68．根据“When students first heard about this idea, they thought the container apartments would be small, noisy, and cold.”和“Each container apartment has a kitchen, a bedroom with a study area, and a bathroom.”可知，这里说的集装箱公寓的优点，选项C“然而，当他们看到他们时，他们感到惊讶。”符合，故选C。
69．tallest 70．for 71．What 72．mountain’s 73．be allowed 74．collected 75．setting 76．dead 77．have lost 78．wisely
【分析】本文是一篇说明文。主要介绍了近年来中国在治理和改善珠穆朗玛峰的自然环境方面所采取的一些具体的行动和措施。
69．句意：珠穆朗玛峰海拔8844.43米，是世界上最高的山峰。根据句中比较的范围“on the earth”可知，空处应用形容词的最高级；tall，高的，其最高级是tallest。故填tallest。
70．句意：虽然它以挑战性的徒步旅行而闻名，但这座山的部分地区却面临着一个问题：垃圾。以……而出名：be famous for，固定搭配。故填for。
71．句意：多令人难以置信的数字！根据句子结构可知，空处是what引导的感叹句：what+a/an+形容词+可数名词单数+主语+谓语！其中的主语和谓语根据上下文语境可以省略；句首首字母大写。故填What。
72．句意：为了减少垃圾，中国限制了能爬上这座山北侧的人数。根据语境，空处表示所属关系，应用名词所有格。故填mountain’s。
73．句意：每年只有300人被允许攀岩，而且只有在春天。根据句意，主语是动作的承受着，应用被动语态；根据句中will的提示可知，应用一般将来时的被动语态，构成形式为will be done；allow的过去分词是allowed。故填be allowed。
74．句意：据西藏政府统计，他们收集了大约8. 4吨垃圾。根据前句“Last year, local people removed rubbish on the mountain at a height of 5, 200 meters.”时态可知，此句也应用一般过去时，动词collect用它的过去式collected。故填collected。
75．句意：今年，当地政府计划斥资400万元开展一次新的清理活动，回收和分解山上的垃圾。花费时间/金钱干某事：spend…(in) doing sth.；set的现在分词是setting。故填setting。
76．句意：此外，垃圾工人还将收集登山者的尸体。根据句中“the bodies”可知，空处应用形容词“死的”；die，动词，死亡，对应的形容词是dead。故填dead。
77．句意：自2019年登山季节以来，在珠穆朗玛峰上已有300多人丧生。根据句中的时间状语“Since the 2019 climbing season”可知，句子应是现在完成时，构成形式为have/has+done；主语“more than 300 people”是复数形式，助动词应用have；lose的过去分词是lost。故填have lost。
78．句意：他们会明智地展示这些作品，提醒人们登山时不要留下垃圾。由句意可知，空处的词是修饰动词show，应是副词；wise，明智的，形容词，对应的副词是wisely，明智地。故填wisely。
79．was 80．actually 81．the 82．or 83．to reduce 84．cleaner 85．which/that 86．amazing 87．changes 88．patient
【分析】文章大意：本文通过描写一条河从污染的很严重到成为一个著名的洁净的河流的过程，告诉我们改变是存在的，但是需要一个漫长的过程和不懈的努力。
79．句意：很难想象它会被清理干净。根据上文“In 1969, the pollution was terrible along the Cuyahoga River Cleveland, Ohio.”可知，这里叙述的是过去发生的事情，要用一般过去时态，主语It为三单，所以应用单数形式，故填was。
80．句意：这条河被污染得如此严重，以致于它竟然起火燃烧了。设空处在句中作状语，修饰后面的谓语动词，所以应使用副词形式，actual是形容词，与其所对应的副词是actually“竟然、实际上”，故填actually。
81．句意：多年后的今天，这条河成为了环境净化最杰出的例子之一。根据“this river is one of … most outstanding examples of environmental cleanup.”可知most outstanding是形容词的最高级形式，前面需要加定冠词the，故填the。
82．句意：但是这条河流的改变不是几天或者几个月的事情。根据“But the river wasn't changed in a few days … even a few months.”可知此处表示的是选择的关系，所以用or连接，表示“或者”，故填or。
83．句意：减少工业污染和清洁水源需要多年的努力。根据“It took years of work … (reduce) the industrial pollution and clean the water.”可知此处考查固定句型：It takes some time to do sth意为“花费多长时间做某事”，it作形式主语，真正的主语是后面的动词不定式短语，故填to reduce。
84．句意：终于，辛苦的工作得到了回报，现在河里的水比以前干净了许多。根据横线后面有than，说明横线上应该使用比较级的形式，故填cleaner。
85．句意：也许你留下了一个让你的家人抓狂的习惯。根据“Maybe you leave a habit … is driving your family crazy.”可知，本句是一个定语从句，先行词是a habit，定语从句中使用关系代词that/which指代先行词，在句中作主语，不能省略，故填which/that。
86．句意：虽然有瞬间转变的惊人故事。根据“While there are … (amaze) stories of instant transformation,”可知，设空处修饰后面的名词复数，应填入一个形容词形式；amaze的形容词有amazing和amazed，前者修饰物，后者修饰人，“stories故事”指的是物，所以用amazing修饰，故填amazing。
87．句意：对我们大多数人来说，这种转变是渐进的，需要大量的努力和工作。由后面的系动词are，可知此处主语应用复数形式，故填changes。
88．句意：只是要耐心一点。根据“Just be … (patience).”横线前面有系动词be，可知此处应填入一个形容词形式，patience“耐心”，名词，与其所对应的形容词是 patient“耐心的”，be patient“耐心一点”，故填patient。
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