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(初中)英语学科知识与教学能力 - 相关题库
单选题 编号:2445620
1.What does the new study by the two universities say about recent crop improvement efforts?
  • A.They fail to produce the same remarkable results as before the 1980s.
  • B.They contribute a lot to the improvement of human food production.
  • C.They play a major role in guaranteeing the food security of the world.
  • D.They focus more on the increase of animal food than human food grains.

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