人教版新课标高中英语 2019-2020年 必修二 Unit 4 Wildlife protec

人教版新课标高中英语 2019-2020年 必修二 Unit 4 Wildlife protection 单元测试 含答案详解

Unit 4 Wildlife protection

本套试卷分为第Ⅰ卷和第Ⅱ卷两部分。总分120分。考试时间100分钟。

第Ⅰ卷

Ⅰ.阅读理解(共两节，满分35分)

第一节(共10小题；每小题2.5分，满分25分)

A

I suddenly heard an elephant crying as though frightened. Looking down, I immediately recognized that something was wrong, and ran down to the edge of the near bank. There I saw Ma Shwe with her three-month-old calf struggling in the fast-rising water, and it was a life-and-death struggle. Her calf was floating and screaming with fear. Ma Shwe was as near to the far bank as she could get, holding her whole body against the rushing water, and keeping the calf pressed against her huge body. Every now and then the rushing water would sweep the calf away. There was a sudden rise in the water and the calf was washed clean over the mother's body and was gone. Ma Shwe turned quickly to reach it and pressed the calf with her head and trunk(象鼻) against the rocky bank. Then with a huge effort, she picked it up in her trunk and tried until she was able to place it on a narrow shelf of rock.

Just at this moment, she went back into the river. If she were carried down, it would be certain death. I knew, as well as she did, that there was one spot (地点) where she could get to the bank, but it was on the other side from where she had put her calf. While I was wondering what I could do next，I heard the sound of a mother's love.Ma Shwe had crossed the river and got to the bank and was making her way back as fast as she could，roaring(吼叫) all the time，but to her calf it was music.

1．The moment the author got down to the river bank he saw________. A．the calf was about to fall into the river B．Ma Shwe was placing the calf on the rock C．the calf was washed away by the rising water

D．Ma Shwe was holding the calf against the rushing water

2．How did Ma Shwe manage to save her calf from the fast-flowing water? A．By putting it on a safe spot. B．By pressing it against her body.

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人教版新课标高中英语 2019-2020年 必修二 Unit 4 Wildlife protection 单元测试 含答案详解

C．By taking it away with her. D．By carrying it on her back.

3．What can be the best title for the text? A．A mother's love B．A brave act

C．A deadly river D．A matter of life and death

B

Energy goes from one plant or animal to another. A food chain shows how this energy moves. Each time an animal gets eaten, its energy is passed onto the animal that eats it. The food chain is very important because it keeps the balance of nature. If one part of the food chain disappears, it can affect all the other plants and animals. Any threat to the food chain is a threat to the environment's biodiversity(生物多样性). The food chain helps keep animal populations in balance. However, if something happens to damage one of the links in the food chain, that balance is broken. If one animal becomes endangered, it puts all the animals above it at risk.

Some of the threats are natural, such as wildfires, hurricanes, tornados, floods and so on. But the biggest threats to the food chain come from you and me. These threats include overfishing, logging, farming, development, pollution, etc. The food chain is endangered everywhere humans have had an effect on the natural environment.

A recent study shows that the overfishing of large sharks is damaging the food chain along the US Atlantic coast. Canadian and American scientists say sharks are being killed in great numbers for their meat and fins(鳍). Now, not enough sharks are around to eat the cownose ray. The ray's population has increased and they have eaten up the shellfish to the point where it has hurt commercial(商业的) fishing.

Many of us disturb the natural environment in our own backyards. It's up to us to take care of the environment and try not to disrupt the natural food chain. If we don't act responsibly, animals will start disappearing.

4．What can we learn from Paragraph 1? A．The food chain is not easy to be broken.

B．The energy of an animal usually disappears when it dies. C．Increasing the links will not break the balance of nature.

D．Breaking the food chain is bad for the biodiversity of the environment.

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人教版新课标高中英语 2019-2020年 必修二 Unit 4 Wildlife protection 单元测试 含答案详解

5．The study mentioned in Paragraph 3 proves that ________. A．human activities can be a big threat to the food chain B．we are all responsible for the breaking of the food chain C．natural disasters are hard to break the food chain D．hunting large sharks for meat is beneficial

6．We can infer that the writer wrote this passage mainly to ________. A．explain what the food chain is

B．tell us something interesting about nature C．suggest that we stop eating meat to save animals D．suggest that we should not disrupt the natural food chain

C

There are few creatures in the world as elegant as the bald eagle(秃鹰). That's part of the reason why, out of all of the animals in the world, the United States of America chose the bald eagle as the national bird.

Unfortunately, despite being beautiful, brave, and fiercely independent, these eagles haven't always had the easiest time of it.

Like many of the disappearing animals, these creatures have suffered over the last century. The massive, elegant hunters once lived all across North America before their populations started decreasing sharply—largely due to the use of some pesticides (杀虫剂). In fact, researchers estimate that in the 1800s, there were hundreds of thousands of these birds, but by the 1950s there were fewer than 1，000 of these beautiful wild animals left.

But just when things were looking hopeless, this nation banded together, and decided that it was time, once and for all, to do something to save the national bird!

In the 1940s, an act was put into place to protect bald eagles from all forms of trapping and hunting.

By 1967, the populations had made some small strides, though the numbers were still low enough for the bird to be placed on the endangered species list.

Then, in the 1970s, the United States made the biggest step towards protecting the eagle (and countless other species) by banning the pesticide DDT.

In humans, the pesticide DDT is poisonous and linked to cancer. In birds, it causes eggshells to become too thin and the bird eggs will hatch(孵化) too soon, keeping bird populations from growing.

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人教版新课标高中英语 2019-2020年 必修二 Unit 4 Wildlife protection 单元测试 含答案详解

By the 1980s, a group of fewer than 1，000 birds had swelled to 100，000 bald eagles. In 2007, the bald eagle was removed from the endangered species list, indicating how completely the bird has recovered in the past 50 years. It is a sign that the bald eagle is free in America once more.

7．What's the main reason for the sharp decrease in the bald eagle population? A．Farmers' hunting. B．Habitat destruction. C．Pesticides using. D．Global warming. 8．What marks the biggest step to protect the bald eagle? A．The pesticide DDT being banned. B．More young bald eagles being hatched.

C．The approval of the act forbidding hunting bald eagles. D．Bald eagles being placed on the endangered species list. 9．The author develops the passage mainly by ________． A．presenting cause and effect B．providing typical examples C．comparing different opinions D．following the time order

10．Which of the following can be the best title for the text? A．How bald eagles died out

B．How America chose the national bird C．How America discovered a rare kind of birds

D．How America saved a national treasure from extinction 第二节(共5小题；每小题2分，满分10分)

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

What is your favourite colour? Do you like yellow, orange or red? __11__Do you prefer greys and blues? Then you are probably quiet, shy, and you would rather follow than lead. You tend to be a pessimist. At least, this is what psychologists tell us, and they should know, because they have been seriously studying the meaning of colour preference, as well as the effect that colours have on human beings. __12__If you happen to love brown, you did so, as soon as you opened your eyes, or at least as soon as you could see clearly.

__13__A yellow room makes most people feel more cheerful and more relaxed than a dark green 4 / 12

人教版新课标高中英语 2019-2020年 必修二 Unit 4 Wildlife protection 单元测试 含答案详解

one; and a red dress brings warmth and cheer to the saddest winter day. __14__A black bridge over the Thames River, near London, used to be the scene of more suicides than any other bridge in the area—until it was repainted green. The number of suicide attempts immediately fell sharply. Perhaps it would have fallen even more if the bridge had been done in pink or baby blue.

__15__It is an established fact that factory workers work better, harder, and have fewer accidents when their machines are painted orange rather than black or grey.

A．They tell us, among other facts, that we do not choose our favourite colour as we grow up—we are born with our preference.

B．On the other hand, black is depressing.

C．If you do, you must be an optimist, a leader, an active person who enjoys life. D．Light and bright colours make people not only happier but more active. E．Life is like a picture or a poem, full of different colours. F．Colours do influence our moods—there is no doubt about it. G．The rooms are painted in different colours as you like. Ⅱ.完形填空(共20小题；每小题1.5分，满分30分)

From the time I was seven, I had a dream of becoming a member of the Students' Union. I always __16__ my school leaders for taking responsibility for all of us. So I dreamed of being a leader.

Years flew by, and soon I was able to participate in the elections, __17__ I would win. But the reality struck that I hadn't had a chance. I wasn't pretty. Girls across the school hardly knew me. I just did not have what it __18__ to win a school election. I was __19__．

As I cried in my room that evening, I __20__ took a deep breath and decided I wouldn't stop dreaming. I decided that I would __21__ for elections again in my final year at school—and I would win.

I recognized that my __22__ had a lot of things in their favour. What were the __23__ that would work in my favour? I had good grades, and I was friendly and helpful. And my biggest __24__was the faith I had. I would not allow my __25__ appearance to hold me back from putting my best foot forward. That evening, I __26__ my election plans a whole year in advance.

I realized that girls would have to get to know me and recognize that I had the ability to __27__ them. I loved making friends and I liked being helpful, __28__ I decided that perhaps I could use these qualities to work to my advantages. In order to learn how to present a great

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