2. 外语
  3. Dozens of scientific groups all over the world have been ______ the goal of a practical and economic way to use sunlight and spl

Dozens of scientific groups all over the world have been ______ the goal of a practical and economic way to use sunlight and spl

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问题 Dozens of scientific groups all over the world have been ______ the goal of a practical and economic way to use sunlight and split water molecules.
选项 A、pursuing
B、attaining
C、reaching
D、chasing
答案A
解析 动词辨义。pursue意为“追求”，指努力去获得或完成，如: to pursue pleasure(寻乐)；attain意为“获得，达到”，如：attain one’s goal(达到目的)；reach意为“抵达，获得”，如：reach the top of a mountain (到达山顶)；chase意为“追赶，追逐”，如：chase the dog out of the garden(将狗赶出花园)。根据题意可知，应选A)。
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大学英语四级

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