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  • 科目:英语
  • 题型:单选题
  • 难度:较易
  • 人气:1497

At the United Nations Climate Change Conference, the UN Secretary General points out that, ______, the climate situation will get worse and worse.

A.if not dealing with properly B.unless dealing with properly
C.if properly dealt with D.unless properly dealt with
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AttheUnitedNationsClimateChang