BScientists are trying to make the deserts into good land again. They want to,bring water to the deserts. But more and more places of the earth is becoming deserts all the time, Scientists may not be able to change the deserts. Scientists think that peopl

题目

B

Scientists are trying to make the deserts into good land again. They want to,bring water to the deserts. But more and more places of the earth is becoming deserts all the time, Scientists may not be able to change the deserts. Scientists think that people make deserts. People are do-ing bad things to the earth.

Some places on the earth don-t get very much rain. But they still don-t become deserts.This is because some green plants are growing there. Small green plants and grass are very helpful to dry places. Plants don't let the wind blow the earth away. When 8 little bit of rain falls,the plants hold the water. Without plants,the land can become a desert much more easily.

( )26. Why can the land become a desert?

A. Because some places don't get very much rain.

B. Because plants don-t let the hot sun make the earth even drier.

C. Because people don't keep the earth well.

D. Because scientists haven-t learnt enough about the deserts.


相似考题

3.THREE THINGS TO BRING YOU MORE FRIENDS Do you lack friends Do you want to make more friends If so, you may read on… There's a certain beauty in being a lone wolf. You have more time to do the things you want to do. But if you want to make more friends, and do things together with them, please consider these suggestions on how to meet people and form. strong, lasting friendships. Spend more time around people and talk to them. If you want to make friends, you first need to put yourself out in order to meet people. Friends seldom come knocking on your door while you sit at home playing computer games. Participate in an online community. You don't necessarily need to have a lot of common interests with people in order to make friends with them. Social networking sites such as Wechat, Facebook, Twitter, and My Space are great way to meet new people and learn more about the people you meet. Join a sports team. A common misunderstanding about this is that you have to be really good at playing a particular sport in order to make friends with others on the team, but not all teams are so competitive. As long as you enjoy the sport and support your teammates, joining a local team could be a great way to make new friends.1. How many ways the author suggests on how to make more friends()A. Three.B. Four.C. Two.2. If you want to make more friends, first you need to()A. join a club.B. chat on the internet.C. put yourself out.3. What is the meaning of the word “online” in paragraph3()A. 直线的B. 在线的C. 线下的4. What is misunderstanding about joining a sports team()A. You have to be good at playing a particular sport.B. You must enjoy the sport.C. You must support your teammates.5. The main point of this passage is about ().A. how to talk with friends.B. how to make more friends.C. how to study English well.

更多“BScientists are trying to make the deserts into good land again. They want to,bring water ”相关问题
  • 第1题:

    At the edge of the land lies the ocean, ____ the earth is covered with water.

    A.which

    B.that

    C.where

    D.when


    答案:C

  • 第2题:

    Have failed three times, he didn’t want to try again.()

    此题为判断题(对,错)。


    参考答案:错误

  • 第3题:

    27. Scientists ____to make the deserts into good land again.

    A. carry water'

    B.grow food

    C. do nothing

    D. study a lot


    正确答案:D
    27.D【解析】文章第一段表明科学家们对沙漠进行了大量的研究,故此题选D。

  • 第4题:

    27. Why does eating apples make one-s stomach want less food?

    A. Because apples are delicious.

    B. Because apples are full of fiber and water.

    C. Because apples are sour.

    D. Because only apples are filled with calories.


    正确答案:B
    27.B【解析】由文中减肥方法(3)可知“苹果中含有、 大量的纤维和水,可使你少吃饭”,故选B。

  • 第5题:

    Good anchorage may be obtained anywhere in this water area, the bottom being generally mud and sand, vessel may have ______.

    A.good getting ground

    B.good holding ground

    C.good grabbing ground

    D.good handling ground


    正确答案:B
    好锚地可以在这水域的任何地方获得,底质通常是泥和沙,船舶可以拥有好的锚地底质。

  • 第6题:

    Information is no good to you if you can't ( ) it.The location dimension of information means having access to access to information no where you are.


    A.access
    B.make
    C. learn
    D. bring


    答案:A
    解析:
    翻译:信息对你没有任何用处如果你不使用它。无论你在哪里信息无所不在。

  • 第7题:

    What is the situation about the desertification in Africa?

    A.The deserts are replaced with grasslands
    B.The deserts are expanding
    C.the deserts are moving northwards
    D.the deserts are being deserted

    答案:D
    解析:

  • 第8题:

    We want to use the water to irrigate barren land.

    A:hairless
    B:bare
    C:empty
    D:bald

    答案:B
    解析:
    本题考查的是对形容词的认知。这句话的意思是:我们想用水浇灌贫痔的大地。barren的意思是贫痔的,例如:Life is a barren field frozen with snow.生命就像是被雪覆盖的荒芜土地。选项A hairless没有毛发的。选项B bare光秃秃的,例如:The fierce sun parched the bare earth.灼热的阳光炙烤着光秃秃的大地。选项C empty空的。选项D bald秃顶的。barren和bare意思最接近,所以选B。

  • 第9题:

    共用题干
    第一篇

    Water Resources on the Earth

    The second most important constituent(构成成分)of the biosphere(生物圈)is liquid water. This can only exist in a very narrow range of temperatures,since water freezes at 0℃and boils a 100℃.Life as we know it would only be possible on the surface of a planet which had temperature: somewhere within this narrow range.
    The earth's supply of water probably remains fairly constant in quantity.The total quantity of water is not known very accurately,but it is about enough to cover the surface of the globe to a depth of about two and three-quarter kilometers.Most of it is in the form of the salt water of the oceans一about 97 percent. The rest is fresh.But three-quarters of this is in the form of ice at the poles and or mountains and cannot be used by living systems until melted.Of the remaining fraction,which h somewhat less than one percent of the whole.There is 10—20 times as much stored underground water as there is actually on the surface.There is also a tiny,but extremely important fraction of the water supply which is present as water vapour in the atmosphere.
    Water vapour in the atmosphere is the channel through which the whole water circulation(循环) of the biosphere has to pass.Water evaporated(蒸发)from the surface of the oceans,from lakes and rivers and from moist(潮湿的)earth is added to it. From it the water comes out again as rain or snow,falling on either the sea or the land. There is,as might be expected, a more intensive evaporation per unit area over the sea and oceans than over the land,but there is more rainfall over the land than over the oceans and the balance is restored by the run off from the land in the form of rivers.

    There is more of rainfall________.
    A:over the mountains than over the rivers
    B:over the rivers than over the mountains
    C:over the land than over the oceans
    D:over the oceans than over the land

    答案:C
    解析:
    文章第一段的第二句讲到液态水“only exist in a very narrow range of temperatures",虽然B(我们星球的表面)也有点道理,但是液态水对温度的要求很高,并非地球的所有表面都有液态水存在,所以答案D正确。
    第二段第一句提到地球上水的供给“remains fairly constant in quantity",数量上是恒定的,它就没有增加也不会减少,只不过会以不同的形态出现,所以选择B(保持不变)。
    问题是“地球上绝大部分淡水以什么形式出现?”第二段中间提到淡水时,说到“three-quarters of this is in the form of ice at the poles and on mountains",即3/4的淡水以冰的形式存在于两极和高山中,后面提到剩余部分的淡水存在于地下,但占比少于1%,所以选项A正确。
    词义辫析题, fraction有“小部分”的意思,考虑到前面提到地球97%的水以海洋咸水的形式存在,剩下的3%则以冰的形式存在于两极和高山,余下的自然不多,所以选B。
    第三段的最后一句说到“there is more rainfall over the land than over the oceans”,陆地的降雨比海洋要多,但没有提到河流和山脉的降雨比较,所以C正确。大气中的水蒸气是整个生物圈的水循环必经的途径。水从海洋的表面、湖泊、河流和潮湿的泥土中蒸发出来并补充到大气中。水以雨或雪的形式再次出现,降落在海洋或陆地上。可以预料到的是,海洋上空每单位面积的水蒸气比在陆地上空更为密集,但是,陆地比海洋有更多的降雨,水在陆地上以河流的形式流出以保持水资源的平衡。

  • 第10题:

    Water transport occurs on inland waterways,such as(),and oceans.

    • A、rivers
    • B、lakes
    • C、canals
    • D、land

    正确答案:A,B,C

  • 第11题:

    单选题
    What generally occurs when the land is cooler than the nearby water? ()
    A

    A land breeze

    B

    A sea breeze

    C

    A norther

    D

    A prevailing westerly


    正确答案: A
    解析: 暂无解析

  • 第12题:

    填空题
    It is most probably our ancient instincts that make us want to volunteer and feel good.____

    正确答案: I
    解析:
    由题干中“volunteer”定位至I段。本段提到,做志愿者通常会让我们感觉到快乐,然后解释为什么要做志愿者工作:不是纯粹的利他主义,而是本能驱使我们这样做,故匹配段落为I段。

  • 第13题:

    Good work ___goood pay.

    A、deserves

    B、requests

    C、deserts


    参考答案:A

  • 第14题:

    A

    Why do plants grow in some places and not in others? Why does some land have so much growing on it,while other land has almost no plants growing on it at all?

    To grow plants need several things. One is warmth. In very cold places almost nothing grows. Plants also need water. In very dry parts of the earth only a few unusual plants can grow. That's why dry deserts everywhere are almost not covered by trees or grass.

    Plants must also have a place in which to f,ut down their roots and grow. They find it diffi-culr to grow on hard land. The town is built on hard land. The plants here have only the soil found between the cracks of the stones Io grow in.

    Another thing plants must have before they can grow is food.

    Whar will happen if we try to make things grow on the sandy beach? A few plants,such as beach grass,will grow in sand,L ut most plants won-t. Even if the weather is warm enough.and we water the plants each day. Many of them will die because the sand on this beach has al-most no food for plants.

    ( )21. According to the passage,plants need _________ things to grow well.

    A. two

    B. three

    C. four

    D. five


    正确答案:C
    Ⅲ.21.C【解析】通读全文可知:植物的生长需要4个条件:1.适宜的温度;2.水;3.合适的土壤;4.养分。

  • 第15题:

    28. Which is NOT true?

    A. The land never stops becoming deserts.

    B. Scientists ask the people to live in the deserts and grow food there.

    C. People do bad things to the earth.

    D. Scientists may not be able to change the deserts.


    正确答案:B
    28.B【解析】根据全文可知文章讲述的问题和谈到的事例并没有体现B项的叙述,故此项与原文不符。

  • 第16题:

    It makes good______to bring all umbrella;it seems to be raining today.

    A.sense

    B.reason

    C.suggestion

    D.advice


    正确答案:A
    解析:今天看来要下雨了,带伞还是很明智的/很有意义的。sense:明智,常识,判断力;make sense:有意义。

  • 第17题:

    Good anchorage may be obtained anywhere,generally mud and sand,in this water area Vessel may have______.

    A.good dragging ground

    B.good towing ground

    C.good holding ground

    D.good grabbing ground


    正确答案:C
    在这片水域好的锚地可以在任何地方找到,一般是泥沙底,船舶有好的抓力。

  • 第18题:

    The passage is mainly about__________.

    A.what has brought about less working time
    B.why employees want to make more money
    C.why employees have less leisure time
    D.what a good employee should be like

    答案:C
    解析:
    通过对全文的通读和理解,可知本文一直在围绕着为什么现在工作的人的业余时间那么少。

  • 第19题:

    共用题干
    第二篇

    Human and the Earth

    In terms of the evolution of life on Earth,human beings have just arrived.Despite their shori time on Earth,however,people have brought about enormous changes to the surface of the planet一changes far out of proportion to the interval of time they have occupied it.
    People have more control over their surroundings than any other species on Earth.With the combination of intelligence and manual skill(allowing us to make and use tools),people have found ways to use plant and animal resources,mineral ores,fuels,and many other materials and resources from the Earth.
    As the number of people on Earth increases,it becomes increasingly difficult for the population to survive on the resources of the land.The amount of land is limited.Although agricultural production can be increased by use of machinery such as tractors and the addition of fertilizer,the land ultimately can produce only so much food and no more.
    As the human population grows,people consume more.Clearly,some locations on Earth already have too many people;in many of these areas,future increases will surely bring about more poverty and suffering. Yet people in rich nations use proportionally far more of the available resources than people in poorer nations.As they consume these resources without restraint,they also waste large amounts of them.
    People are only a very small fraction of all the living things on the planet.Yet their numbers create a drain on resources that can't be renewed.For example,the amount of water on Earth is limited,this water is cleaned through natural processes.However,the natural processes for filtering water can clean only a certain amount of water by removing the pollution.Likewise,a limited amount of petroleum can be found under the Earth's surface.Petroleum is a valuable resource.Should people use it up to manufacture petrol for automobiles?As people work to control the planet and make life comfortable,are they using up resources that are needed for their survival?

    What makes people feel hard to live on Earth?
    A:Fertilizer.
    B:Lse of machinery.
    C:Limited land.
    D:Limited mineral resources.

    答案:C
    解析:
    文章第一段第一句话提到“就地球上生命的进化而言,人类是姗姗来迟者”,因此比较而言,人类的历史并不长。选项A是正确的。
    从文章第二段第二句话“With the combination of intelligence and manual skill...”我们知道选项A和B都是正确的,因此选择D项。
    文章第三段提到,土地的总量是有限的。虽然使用拖拉机等机械和施用化肥可以提高农业产量,但是土地最终所能产出的粮食只有那么多,不会再增加。因此只有选项C是正确的。
    文章第四段第三句说富裕国家的人们所使用的能源在比例上远远大于贫穷国家的人们。选项C中提到的“发达国家的人们”最符合题意。
    根据文章最后一段关于资源的描述我们可以发现选项A、B、C都是正确的,只有选项D的表述错误,因此选择D项。

  • 第20题:

    资料:Good listening is much more than being silent while the other person talks. To the contrary, people perceive the best listeners to be those who periodically ask questions that promote discovery and insight. These questions gently challenge old assumptions, but do so in a constructive way. Sitting there silently nodding does not provide sure evidence that a person is listening, but asking a good question tells the speaker the listener has not only heard what was said, but that they comprehended it well enough to want additional information. Good listening was consistently seen as a two-way dialog, rather than a one-way “speaker versus hearer” interaction. The best conversations were active.
    Good listening included interactions that build a person's self-esteem. The best listeners made the conversation a positive experience for the other party. which doesn't happen when the listener is passive (or, for that matter, critical!) Good listeners made the other person feel supported and conveyed confidence in them. Good listening was characterized by the creation of a safe environment in which issues and differences could be discussed openly.
    Good listening was seen as a cooperative conversation. In these interactions, feedback flowed smoothly in both directions with neither party becoming defensive about comments the other made. By contrast, poor listeners were seen as competitive — as listening only to identify errors in reasoning or logic, using their silence as a chance to prepare their next response. That might make you an excellent debater, but it doesn't make you a good listener. Good listeners may challenge assumptions and disagree, but the person being listened to feels the listener is trying to help, not wanting to win an argument

    According to the author, which of the following statements is true?

    A.Those who periodically ask questions want to take charge of the conversation.
    B.If you give critical opinions, the speaker will be less confident.
    C.Good listeners should agree with the speaker.
    D.If the speaker creates a comfortable environment, listeners will become confident.

    答案:B
    解析:
    本题考查细节理解。
    【关键词】According to the author;true
    【主题句】第2段Good listening included interactions that build a person’s self-esteem. The best listeners made the conversation a positive experience for the other party, which doesn’t happen when the listener is passive (or, for that matter, critical!). Good listeners made the other person feel supported and conveyed confidence in them. 良好倾听包括通过互动重塑他人自信。最善于倾听的人使对话成为另一方的积极经历,而这种对话往往是在倾听者颇为被动(乃至批判)的时候所无法产生的。好的倾听者使别人感受到支持,同时也传达了信心。
    【解析】题目意为“根据作者的观点,以下哪项是正确的?”选项A意为“那些定期问问题的人想要掌控谈话”,文中并未提及。选项B意为“如果你发表批评意见,演讲者就不会那么自信了”,根据主题句,该选项正确。选项C意为“好的听众应该同意演讲者的观点”,文中的观点认为好的听众会对谈话提出建设性看法,故错误。选项D意为“如果演讲者创造了一个舒适的环境,听众就会变得自信”,与文意相反,文中的意思是如果倾听者创造了一个舒适的环境,讲话人就会变得自信。

  • 第21题:

    Rubbish can be thrown into the water ().

    • A、in a harbour
    • B、in any place
    • C、25 miles off the land
    • D、10 miles off the land

    正确答案:C

  • 第22题:

    单选题
    What describes a flood current().
    A

    Horizontal movement of the water toward the land after high tide

    B

    Horizontal movement of the water toward the land after low tide

    C

    Horizontal movement of the water away from the land following high tide

    D

    Horizontal movement of the water away from the land following low tide


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    When a tornado moves over the water from land it is called a().
    A

    Tornado

    B

    Waterspout

    C

    Hurricane

    D

    Cyclone


    正确答案: B
    解析: 暂无解析