题目内容
15.---What do you think of the grammar book?---Oh,it really is ________ useful reference book,which is worth reading ________ second time.( )
A. | a;a | B. | an;the | C. | an | D. | the;the |
分析 --你认为这本语法书怎么样?
--哦,它真的是非常有用的一本书,值得再读一遍.
解答 答案是A.本题考查不定冠词的用法.第一空指"一本有用的书",用不定冠词.a 用在辅音音素开头的单词前,an用在元音音素开头的单词前;useful是元音字母开头但是发音是以辅音音素开头,所以第一空用a,由此排除B、C和D;序数词前往往加定冠词the表示顺序"第…";但是在序数词前可以加不定冠词a 表示"再一,又一";本题中表示"再读一遍",所以第二空选用不定冠词a,由此得出答案是A.
点评 掌握冠词要关注两大方面:一是积累有关不定冠词、定冠词和零冠词的相关的规则;二是积累特掌殊的短语.
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