您现在的位置:首页 >考研 > 考试题库 > 英语题库 >

2021吉林考研英语阅读限时练习题(3)

2020-04-17 15:31:38| 来源:吉林中公教育

英语对于广大考生备考而言是一大难题。而完形填空更是难中之难,为了让广大考生对完形填空有更精准的把握。今天吉林中公考研小编分享“2021吉林考研英语阅读限时练习题(3)”,希望能给备战2020考研考生提供帮助。

Antarctica has actually become a kind of space station – a unique observation post for detecting important changes in the world‘s environment. Remote from major sources of pollution and the complex geological and ecological systems that prevail elsewhere, Antarctica makes possible scientific measurements that are often sharper and easier to interpret than those made in other parts of the world.

Growing numbers of scientists therefore see Antarctica as a distant-early-warning sensor, where potentially dangerous global trends may be spotted before they show up to the north. One promising field of investigation is glaciology. Scholars from the United States, Switzerland, and France are pursuing seven separate but related projects that reflect their concern for the health of the West Antarctic Ice Sheet – a concern they believe the world at large should share.

The Transantarctic Mountain, some of them more than 14,000 feet high, divide the continent into two very different regions. The part of the continent to the “east” of the mountains is a high plateau covered by an ice sheet nearly two miles thick. “West” of the mountain, the half of the continent south of the Americas is also covered by an ice sheet, but there the ice rests on rock that is mostly well below sea level. If the West Antarctic Ice Sheet disappeared, the western part of the continent would be reduced to a sparse cluster of island.

While ice and snow are obviously central to many environmental experiments, others focus on the mysterious “dry valley” of Antarctica, valleys that contain little ice or snow even in the depths of winter. Slashed through the mountains of southern Victoria Land, these valleys once held enormous glaciers that descended 9,000 feet from the polar plateau to the Ross Sea. Now the glaciers are gone, perhaps a casualty of the global warming trend during the 10,000 years since the ice age. Even the snow that falls in the dry valleys is blasted out by vicious winds that roars down from the polar plateau to the sea. Left bare are spectacular gorges, rippled fields of sand dunes, clusters of boulders sculptured into fantastic shapes by 100-mile-an-hour winds, and an aura of extraterrestrial desolation.

Despite the unearthly aspect of the dry valleys, some scientists believe they may carry a message of hope of the verdant parts of the earth. Some scientists believe that in some cases the dry valleys may soak up pollutants faster than pollutants enter them.

1. What is the best title for this passage?

[A] Antarctica and environmental Problems.

[B] Antarctica: Earth‘s Early-Warning station.

[C] Antarctica: a Unique Observation Post.

[D] Antarctica: a Mysterious Place.

2. What would the result be if the West Antarctic Ice Sheet disappeared?

[A] The western part of the continent would be disappeared.

[B] The western part of the continent would be reduced.

[C] The western part of the continent would become scattered Islands.

[D] The western part of the continent would be reduced to a cluster of Islands.

3. Why are the Dry Valleys left bare?

[A] Vicious wind blasts the snow away.

[B] It rarely snows.

[C] Because of the global warming trend and fierce wind.

[D] Sand dunes.

4. Which of the following is true?

[A] The “Dry Valleys” have nothing left inside.

[B] The “Dry Valleys” never held glaciers.

[C] The “Dry Valleys” may carry a message of hope for the verdant.

[D] The “Dry Valleys” are useless to scientists.

1 2

注:本站稿件未经许可不得转载,转载请保留出处及源文件地址。
(责任编辑:ld17878)
关键词阅读 2021考研英语 练习

免责声明:本站所提供试题均来源于网友提供或网络搜集,由本站编辑整理,仅供个人研究、交流学习使用,不涉及商业盈利目的。如涉及版权问题,请联系本站管理员予以更改或删除

吉林中公教育

吉林公务员招聘考试(lingoffcn)

立即关注

热门招聘关注查看备考干货关注查看实时互动关注查看

  • 中公微博关注微博关注
  • 中公QQ群加入QQ群加入
微信公众号
微博二维码
咨询电话(9:30-23:30)

400 6300 999

在线客服 点击咨询

投诉建议:400 6300 999转4

777766香港开奖结果小说买,777766香港开奖结果 小说4949,横财富超级中特网777766香港,777766香港开奖结果跑狗图,ww777766香港开奖结果记录