题目内容
17.-How many floors are there in this building?-It has and we live on the one.( )
| A. | twenty;fifteen | B. | twenty;fifth | ||
| C. | twentieth;fifth | D. | twentieth;fifteen |
分析 --这座楼有多少层?
--它有20层,我们住在第5层.
解答 答案:B.根据题干,本句的意思是它有20层,我们住在第5层.根据基数词表示数量以及floors是名词复数可知,第一个空应填基数词twenty;根据序数词表示顺序以及one是单数可知,第二个空应用序数词fifth.故选B.
点评 本题考查数词的用法,做题时注意基数词表示数量和序数词表示顺序的用法.
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