题目内容
9.Doing exercise an hour___day helps keep us fit.( )| A. | a | B. | an | C. | the |
分析 每天锻炼一小时帮助我们保持健康.
解答 答案A.
本题考查冠词用法.冠词分为不定冠词a/an和定冠词the.泛指的单数可数名词前要用a/an,如果是特指,那么无论是可数名词单数、复数或不可数名词前均要用the.本题中,一天一小时中的是day泛指,而且是以辅音音素开头,所以用a,故选A..
点评 了解冠词的用法是答题的关键.
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