题目内容
3. students in our class is 50.( )| A. | A number of | B. | The number of | C. | A lot of | D. | Many of |
分析 我们班的学生人数是50人.
解答 答案:B.考查介词短语.句意"我们班的学生人数是50人.".a number of表示"许多",修饰可数名词复数.作主语时,谓语动词用复数.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.a lot of修饰可数名词复数,谓语动词用复数.many of修饰可数名词复数,谓语动词用复数.结合is单数,可知应用the number of,指学生的数量,答案是B.其它不符合.
点评 考查介词短语,在日常学习中要积累一些介词短语的固定用法,结合语境,选择合适的形式.完成试题.
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