第16题: [单项选择]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. A. reaching B. winning C. chasing D. pursuing 参考答案:D 答案解析:[参考译文] 如今各国许多的科学小组正探寻实用而节约的方法,以便利用太阳能分解出水分子。
[试题分析] 此题考查动词词义及搭配。
[详细解答] pursue在此意为“继续从事,忙于”,符合本题题意