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发布时间: 1970-01-01

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1最佳选择题 3分

InBtcottonfieldssomepestsreplacedthebollwormasthep

  • A. their favorite food is Bt cotton
  • B. the bollworms were killed out by the Bt cotton
  • C. both their enemies and the bollworm were all killed by Bt cotton
  • D. people used the pesticides
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本题解析: 暂无解析

2最佳选择题 3分

Theworldyieldsline13means______.

  • A. plants
  • B. giving up
  • C. establishment
  • D. productions
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本题解析: 暂无解析

3最佳选择题 3分

Theauthorimplythat______.

  • A. The US's Monsanto agreed with the results of Chinese scientists study
  • B. GM cotton is an ideal crop
  • C. The US's Monsanto dismissed the research for its own profit
  • D. Cotton bollworm has no resistance to Bt cotton over time
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本题解析: 暂无解析

4最佳选择题 3分

WhyscientistssaynotoGMcotton

  • A. Because the cotton was genetically modified.
  • B. Because the cotton was found to damage the environment.
  • C. Because the cotton harms the bollworm.
  • D. Because Monsanto dismissed the research.
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本题解析: 暂无解析

5最佳选择题 3分

WhichofthefollowingisNOTthedifferencebetweenBtcott

  • A. Bt cotton is stronger than common cotton.
  • B. Bt cotton yields more than common cotton.
  • C. Bt cotton needs less pesticides than common cotton.
  • D. Bt cotton is harm to cotton bollworms.
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本题解析: 暂无解析

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