题目内容
14.People turn off their lights for __________ hour on Earth Day every year.( )| A. | a | B. | an | C. | the | D. | / |
分析 每年在地球日这天,人们都会关灯一小时.
解答 答案:B,考察冠词辨析.题目中提到"Earth Day"地球日.世界地球日(World Earth Day)即每年的4月22日,是一项世界性的环境保护活动.这天人们通常会关灯一小时来节约资源,for an hour表示持续一小时,为固定搭配,所以选择B.
点评 考察不定冠词的辨析,此类题目应根据题目给定的名词进行选择,对一些特殊搭配形式应该加以记忆.
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