题目内容
5.Thanks to the headmaster's hard work,the number of the teachers working in this remote village school__________ to nine.( )A. | is increased | B. | are increased | C. | has increased | D. | have increased |
分析 由于校长的努力,在山区小学工作的老师数量已经达到了9个.
解答 答案为C.根据句子结构分析Thanks to the headmaster's hard work(状语),the number of the teachers (主语)working in this remote village school(定语)__________ (谓语)to nine(宾语),可知主语the number 和increase之间是主动关系,所以排除AB,又根据"Thanks to the headmaster's hard work"可知后句表示到现在在山区小学工作的老师数量已经达到了9个,所以谓语动词用现在完成时,同时句子的主语为the number,所以谓语动词用第三人称单数,因此答案为C.
点评 考查现在完成时.
the number of表示"…的数量",跟复数名词连用作主语时,中心词是number,谓语动词要用单数.例如:
The number of students in our class is50.我们班学生的数量是50人.
a number of表示"许多",相当于 many,修饰可数名词复数.作主语时,谓语动词用复数.number前可用large,small等修饰,以表示程度.例如:
A number of students are planting trees on the hill.许多学生在小山上植树.
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