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第二十八篇

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发布时间: 2016-08-25

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1共用题干单选题 3分

WhathavescientistsfoundaboutSaturn?

  • A. They have found a new moon orbiting Saturn.
  • B. They have found methane-based life on Saturn.
  • C. They have found methane-based life on Titan.
  • D. They have found earthlike life on a Saturn"s moon.
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正确答案: -

本题解析: 暂无解析

2共用题干单选题 3分

WhatdoscientistssayaboutTitan?

  • A. There are life clues there.
  • B. There is acetylene there.
  • C. Water on Titan exists in the form of ice.
  • D. Rivers and lakes there contain life formls.
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正确答案: -

本题解析: 暂无解析

3共用题干单选题 3分

Todatescientistshavenotyetdetectedthisformoflife..

  • A. Water-based life.
  • B. Methane-based life.
  • C. Liquid-water-based microorganisms.
  • D. Gas-based life.
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正确答案: -

本题解析: 暂无解析

4共用题干单选题 3分

WhatcanbeinferredfromwhatAllensaid?

  • A. Scientists have different arguments over whether there is life on Titan.
  • B. Scientists all agree that there is life on Titan. 
  • C. Scientists all suggest that a biological explanation is reasonable.
  • D. Scientists all agree that a non-biological chemical reaction is a possible explanation.
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本题解析: 暂无解析

5共用题干单选题 3分

Whichofthefollowingcanreplacethetitleofthispassage

  • A. Earthlike Living Beings Found on Titan.
  • B. Finding of One More Moon of Saturn.
  • C. Titan,a New Satellite Found.
  • D. A different Life Form, a Possibility.
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正确答案: -

本题解析: 暂无解析

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