Humans are cutting down the forests to ________ the land for other uses.

    A. clear            B. destroy          C. cover                D. protect

 

【答案】

A

【解析】詞匯辨析。clear “清晰的，清楚的”； destroy “破壞”； cover “覆蓋”； protect “保護(hù)”；又根據(jù)句意“人類為其他的用途而砍伐樹木，破壞了土壤。故答案為A。

 

練習(xí)冊系列答案
相關(guān)習(xí)題

科目：初中英語 來源：2011-2012學(xué)年浙江省新昌縣實驗中學(xué)初二下學(xué)期期中英語試卷（帶解析） 題型：閱讀理解


What does a UFO look like? Do you believe there are aliens outside the earth? Maybe nobody can tell us exactly, but some of us believe that we humans are not alone in this world. We have friends living outside the earth. And a lot of people in the world think they really have seen a UFO flying in the sky. Now many scientists are trying to understand the origin of the UFO sightings. Scientists even try to draw pictures about aliens and aliens’ life according to their imagination.        
Because we don’t really know about it, we call it UFO or Unidentified Flying Object. Many of us are curious(好奇的) about it and interested in it very much.
While scientists have no same ideas about whether there is an alien or not, it seems that China has been home to some UFO sightings recently.
On August 20th,2011, a UFO was seen at 21:00 by the pilot on the plane which took off from Pudong International Airport to Changchun. At almost the same time, many astrophiles(天文愛好者)took pictures of it. Later, reports from some cities said that the UFO was seen. The pilot said the UFO was small at first, then expanded(擴(kuò)大),moved north, and disappeared(消失)several minutes later. However, he couldn’t exactly make sure about what he had seen.
【小題1】What do scientists know about the aliens according to this passage?

A．Scientists know about the aliens’ life well.
B．Some scientists try to imagine aliens’ life.
C．Scientists have the same idea about the UFO.
D．Many scientists have already understood the origin of the UFO sightings.
【小題2】What happened on August 20th,2011?
A．A UFO took off from Pudong International Airport.
B．A pilot took pictures of the UFO.
C．Many astrophiles saw the UFO.
D．The UFO was small when it moved north.
【小題3】Which of the following sentences is NOT true according to this passage?
A．UFO is short for Unidentified Flying Object.
B．Some people from some cities said that they saw the UFO on August 20th,2011.
C．The pilot could exactly make sure what he had seen.
D．Many of us are interested in the UFO.

查看答案和解析>>

科目：初中英語 來源：2012年初中畢業(yè)升學(xué)考試（江西卷）英語（帶解析） 題型：閱讀理解



We humans are only born with one set of eyes, so it's our job to take care of them for our whole lives. The good news is that if we do a few simple things every day, we can maintain (保持) our eyesight and reduce (減少) the risk of ever hurting our eyes.
Almost all doctors agree that we can improve and maintain good eyesight by eating lots of fresh fruits and vegetables. It is especially important for us to eat vegetables like carrots and sweet potatoes.  Besides, we need to protect our eyes when we spend a long time in bright sunlight. The best way to do. this is by wearing sunglasses that have 100% UV (紫外線)  protection. What's more, it is necessary to protect our eyes when we work with dangerous chemicals (化學(xué)物質(zhì)).  For this reason we should always wear goggles in chemistry labs at work or at school. Finally, we should not spend too much time in front of the computer or television screen. That is why doctors advise if we have to use a computer for a long time, we should take a short break every fifteen or thirty minutes.
Maintaining good eyesight is important. If we do these few simple things we can protect our eyes and reduce the chances of losing our eyes. As the popular English expression goes, “It's all fun and game, until someone loses an eye.” When people say this, they mean that losing an eye is a very terrible thing.
【小題1】When should we wear goggles?

A．While watching TV.
B．While using a computer.
C．While staying in the sun.
D．While working in a chemistry lab.
【小題2】How many pieces of advice are given in the passage?
A．Two.B．Three.C．Four.D．Five.
【小題3】What does the underlined word ‘that’ refers to?
A．We should eat lots of fresh fruits and vegetables.
B．We should take a short break every fifteen or thirty minutes.
C．We should not spend much time in front of a computer or TV.
D．We should do a few simple things every day to keep our eyesight.
【小題4】Which would be the best title for the passage?
A．Fun and Games with Our Eyes
B．Caring for Our Eyes
C．The Risk of Hurting Our Eyes
D．Born with One Set of Eyes

查看答案和解析>>

科目：初中英語 來源：2012-2013學(xué)年江蘇省九年級3月月考英語試卷（解析版） 題型：其他題

缺詞填空

In most situations, light helps us see. But nowadays humans are using so much that it is in fact a kind of pollution.

When it comes to looking at the night sky, too much light makes it d  1.  for us to watch some of life’s most wonderful views: stars, p  2.  and even galaxies(星系).

According to scientific research, about 2, 500 stars can be seen by the human eye without u  3.  any special equipment(設(shè)備). But because of light pollution, you can only see 200 to 300 stars from today’s countryside, and no more than ten stars from a city. In most big c  4., people cannot see the sky filled with stars like they did in their childhood.

Light pollution affects more than just our view of sky. Research s  5.  that lots of nighttime light can harm wildlife, too.

When birds fly to a  6.  place over cities, they sometimes get lost by the brightness and fly in circles(圈) u  7. they drop from tiredness. Sea turtles need dark beaches for laying eggs, but they can’t find their ideal places because of those bright lights.

Too much light at night m  8.  even affect human health, but scientists are not sure of that. They are still learning more.

In order to prevent things from going w  9., governments and some organizations are working to reduce light pollution. Many cities and towns have taken action to reduce the use of lights at night. Lights are used only when and where they are r  10.  needed.

Hopefully, in the near future, humans can enjoy the clear and beautiful sky again and all the wildlife will live a peaceful and undisturbed life, too.

 

查看答案和解析>>

科目：初中英語 來源：2012年初中畢業(yè)升學(xué)考試（江西卷）英語（解析版） 題型：閱讀理解

 

     We humans are only born with one set of eyes, so it's our job to take care of them for our whole lives. The good news is that if we do a few simple things every day, we can maintain (保持) our eyesight and reduce (減少) the risk of ever hurting our eyes.

     Almost all doctors agree that we can improve and maintain good eyesight by eating lots of fresh fruits and vegetables. It is especially important for us to eat vegetables like carrots and sweet potatoes.  Besides, we need to protect our eyes when we spend a long time in bright sunlight. The best way to do. this is by wearing sunglasses that have 100% UV (紫外線)  protection. What's more, it is necessary to protect our eyes when we work with dangerous chemicals (化學(xué)物質(zhì)).  For this reason we should always wear goggles in chemistry labs at work or at school. Finally, we should not spend too much time in front of the computer or television screen. That is why doctors advise if we have to use a computer for a long time, we should take a short break every fifteen or thirty minutes.

     Maintaining good eyesight is important. If we do these few simple things we can protect our eyes and reduce the chances of losing our eyes. As the popular English expression goes, “It's all fun and game, until someone loses an eye.” When people say this, they mean that losing an eye is a very terrible thing.

1.When should we wear goggles?

   A. While watching TV.                 

B. While using a computer.

   C. While staying in the sun.             

D. While working in a chemistry lab.

2.How many pieces of advice are given in the passage?

    A. Two.          B. Three.         C. Four.         D. Five.

3.What does the underlined word ‘that’ refers to?

    A. We should eat lots of fresh fruits and vegetables.

    B. We should take a short break every fifteen or thirty minutes.

    C. We should not spend much time in front of a computer or TV.

    D. We should do a few simple things every day to keep our eyesight.

4.Which would be the best title for the passage?

A. Fun and Games with Our Eyes       

B. Caring for Our Eyes

C. The Risk of Hurting Our Eyes        

D. Born with One Set of Eyes

 

查看答案和解析>>

科目：初中英語 來源：2011-2012學(xué)年四川省樂山市沙灣區(qū)初三畢業(yè)調(diào)研考試英語試卷（解析版） 題型：七選五

選擇下列各句，填入短文中的空白處，使短文意思完整。

A. The United States is the only industrial country whose population is increasing

B. And a fifth go without modern health services

C. Asia has more than doubled its population since 1960

D. Most of the growth is taking place in Africa

E. Now some 6 billion mouths must be fed and bodies clothed and housed

Every year there are about 95 million more people on the earth. (66) ___and parts of South and  west Asia that can hardly afford more people. However, population increases have slowed or even stopped in Europe, North America and Japan.

By 1960, about 70 percent of the world's people lived in developing countries. Today it is 80 percent, and 95 percent of the world's population growth is taking place in these countries.(67)____, as have Latin America and the Caribbean area. North America's population has grown by a half, while Europe's has risen by only 20 percent and is now stable. (68) ______-- not because of birth, but of the coming of people from the rest of the world.

 In 8,000 BC, only 5 million people were alive. (69)_____.To meet those needs humans are using lots of things on the earth in a wrong way -- for example, cutting down too many trees and catching too many fish. These wrong doings are dangerous for human life and health around the world.

At the beginning of the 21st century, nearly 60 percent of 4.8 billion people in developing countries have no basic sanitation. Almost a third don't have enough clean water. A quarter don't have enough housing. (70)_______.

 

查看答案和解析>>

同步練習(xí)冊答案