2. 外语
  3. Today dozens of scientific group in different countries have been _______ the goal of a practical and economic way to use sunlig

Today dozens of scientific group in different countries have been _______ the goal of a practical and economic way to use sunlig

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问题 Today dozens of scientific group in different countries have been _______ the goal of a practical and economic way to use sunlight to split water molecules.
选项 A、reaching
B、winning
C、chasing
D、pursuing
答案D
解析 pursue在此意为“继续从事，忙于”，符合本题题意。chase作“追求，追逐”讲；reach则意为“到达，达到”；win作“赢得，获胜”讲。因此D为正确选项。
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