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发布时间: 1970-01-01

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1最佳选择题 3分

SaltyRicePlantBoostsHarvests Britishscien

  • A. They are students at Sussex University.
  • B. They are rice breeders.
  • C. They are husband and wife.
  • D. They are colleagues at an institution of higher learning.
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正确答案: -

本题解析: 暂无解析

2最佳选择题 3分

SaltyRicePlantBoostsHarvests Britishscien

  • A. to find ways to prevent water pollution.
  • B. to identify genes that promote growth in salty soil.
  • C. to breed rice plants that taste salty.
  • D. to find ways to remove excessive salt from soil.
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正确答案: -

本题解析: 暂无解析

3最佳选择题 3分

SaltyRicePlantBoostsHarvests Britishscien

  • A. Natural barriers to sea water have been destroyed.
  • B. The water table has gone down after droughts.
  • C. Sea level has been continuously rising.
  • D. Evaporation of water leaves salt behind.
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正确答案: -

本题解析: 暂无解析

4最佳选择题 3分

SaltyRicePlantBoostsHarvests Britishscien

  • A. "influence".
  • B. "effect".
  • C. "stop".
  • D. "present".
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本题解析: 暂无解析

5最佳选择题 3分

SaltyRicePlantBoostsHarvests Britishscien

  • A. positive.
  • B. negative.
  • C. suspicious.
  • D. indifferent.
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正确答案: -

本题解析: 暂无解析

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