名词性从句试题和答案含答案解析一、初中英语名词性从句1._____he will offer us enough help doesn't matter a lot to our success
WhetherC
BeforeD
How【答案】 B【解析】【分析】句意:他是否提供帮助对于我们的成功没有什么关系
If 不可以引导主 语从句,故选 B
【点评】考查名词性从句,本题涉及 whether 引导的主语从句的应用
2.It has been pointed out _______ plays a vital role in driving away one's anxiety is one'ssweet childhood memories
what thatB
whichC
that what【答案】 D【解析】【分析】句意:有人指出,驱除焦虑所起着至关重要的作用是童年美好的回忆
本句时一个主语从句,it 作形式主语,真正的主语为 that what plays a vital role in driving away one's anxiety is one's sweet childhood memories
,主语从句中又有一个主语从句,且此 主语从句中缺少主语,所以用 what 引导
【点评】考查名词性从句,本题涉及 what 引导的主语从句
3 . is known to all is that the earth is smaller than the sun
Which【答案】 B【解析】【分析】句意:众所周知地球比太阳小
is known to all 是主语从句,从句中 缺少主语,因此用 what,选 B