题目内容
7.---There are so many visitors in Slender West Lake in spring.---Yes,and ninety percent ________ from all over the country.( )
| A. | is | B. | are | C. | was | D. | were |
分析 --春天瘦西湖有这么多游客.
--是的,并且90%来自全国各地.
解答 答案:B.考查系动词.句意"--春天瘦西湖有这么多游客.--是的,并且90%来自全国各地.".is单数.are复数.was是is的过去式.were是are的过去式.分数、百分数作主语时,关键看修饰的名词是单数还是复数,根据visitors可知,是复数,一般现在时态,用are.答案是B.
点评 考查系动词的用法,is是单数,are是复数,am通常与I连用.分数、百分数作主语时,关键看修饰的名词是单数还是复数,要结合语境及时态完成试题.
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