单选

Which of the following is true?

  • A.Once the pesticides are used, locust will die immediately.
  • B.Relief efforts are proved most fruitful due to the effectiveness of certainpesticides.
  • C.Dieldrin, the most effective locust killer, has been widely accepted in manycountries.
  • D.Over 10 million acres of affected area will have been treated with locust-killingchemicals by the end of June.
参考答案
您可能感兴趣的试题

70

  • A.involved
  • B.participated
  • C.attended
  • D.employed

69

  • A.after
  • B.on
  • C.with
  • D.to

67

  • A.contrasting
  • B.comparing
  • C.matching
  • D.measuring
¥

订单号:

遇到问题请联系在线客服

订单号:

遇到问题请联系在线客服