Scientistshaveadvancedmanytheoriesaboutwhyhumanbeingscr...
来源:语文精选馆 3.24W
问题详情:
Scientists have advanced many theories about why human beings cry tears,none of ________ has been proved.
A.whom B.which C.what D.that
【回答】
B
解析 句意为:科学家们已经提出许多关于人类为什么哭泣时流泪的理论,其中没有一个得到*实。分析句子成分可知,逗号后是“代词+of+which/whom”引导的非限制*定语从句,先行词是many theories,指物,故应用 which。
知识点:定语从句
题型:选择题