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第三十五篇

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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

thatwasscientistsunderstandingofmethane?

  • A. It was produced from plants.
  • B. It was not a greenhouse gas.
  • C. It was produced in oxygen-free environments.
  • D. It traps more heat than any other greenhouse gas.
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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

Totestwhetherplantsareasourceofmethanethescientist

  • A. a oxygen-free environment.
  • B. an environment with the same concentration of oxygen as the Earth has.
  • C. a carbon dioxide-free environment.
  • D. an environment filled with the greenhouse gas
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3共用题干单选题 3分

hichstatementistrueofthemethaneemissionsofplantsin

  • A. The lower the temperature, the higher the amount of methane emissions.
  • B. Living plants release less methane than dried plants at the same temperature.
  • C. When exposed to sunlight, plants stop releasing methane.
  • D. The higher the temperature, the greater the amount of methane emissions.
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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

WhatofthefollowingaboutmethaneisNotmentionedinthep

  • A. Plants growing in soil release methane.
  • B. Plants growing in water release methane.
  • C. Soil microbes consume methane.
  • D. Microbes in plants produce methane.
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本题解析: 暂无解析

5共用题干单选题 3分

Whatisthebeneficialpointofsomemicrobesconsumingpla

  • A. Methane becomes less poisonous.
  • B.  methane is turned into a fertilizer.
  • C. Less methane reaches the atmosphere. 
  • D. Air becomes cleaner……
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正确答案: -

本题解析: 暂无解析

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