题目内容
9.Many teenagers are curious about .( )| A. | why light travelled faster than sound | |
| B. | how did life on earth begin | |
| C. | when can Chinese land on the Moon | |
| D. | whether animals can survive on Mars |
分析 很多年轻人对动物能都在火星生存感到好奇.
解答 答案:D.about后加宾语从句,引导词+陈述句语序,故排除B,C,主句是一般现在时,从句时态不受限制,why light travelled faster than sound表达的是客观事实用一般现在时,故答案是D.
点评 本题旨在考查宾语从句这一语法,做这类题时,要从三方面考虑:一、选准连接词 二、连接词后紧跟从句的主语 三、若主句是过去时,从句要改为相对应的过去时.
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