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 to spli

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

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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 to split water molecules.
选项 A、pursuing
B、chasing
C、reaching
D、winning
答案A
解析 pursue在此意为“继续从事，忙于”，如：He pursued his research work after leaving school．他离校后仍继续从事他的研究工作。chase作“追求，追逐”讲，如：Why do modern people chase material possessions?现代人为什么要追求物质财富?reach则意为“到达，达到”，如：The letter did not reach him．他没收到那封信。win作“赢得，获胜”讲，如：That book won him
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