高一英语名词性从句练习题50题含答案解析

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高一英语名词性从句练习题50题含答案解析

1._____ wins the election will face many challenges.

A.Who

B.Whom

C.Whoever

D.Whomever

答案解析:C。“Whoever”在主语从句中表示“无论谁”,在本句中引导主语从句,并且在从句中作主语。“Who”虽然也可以引导主语从句作主语,但语气没有“Whoever”强烈。“Whom”和“Whomever”在从句中作宾语,不符合本句要求。

2._____ he will come or not is still uncertain.

A.That

B.Whether

C.If

D.What

答案解析:B。“Whether”引导主语从句表示“是否”,在句中不能用“If”代替,“That”在主语从句中不表示“是否”,“What”引导主语从句在句中要充当成分,不符合本句要求。

3._____ is known to all is that the earth is round.

A.What

B.That

C.As

D.It

答案解析:A。“What is known to all”是主语从句,“What”在从句中作主语,“That the earth is round”是表语从句。“That”引导主语从句时在句中不充当成分,“As”引导非限制性定语从句,“It”作形式主语时后面要有真正的主语从句,不符合本句要求。

4._____ caused the accident remains a mystery.

A.What

B.That

C.Who

D.Which

答案解析:A。“What caused the accident”是主语从句,“What”在从句中作主语,表示“什么”。“That”在主语从句中不充当成分,“Who”表示“谁”,不符合本句语境,“Which”表示“哪一个”,也不符合本句要求。

5._____ she said at the meeting surprised us all.

A.What

B.That

C.When

D.How

答案解析:A。“What she said at the meeting”是主语从句,“What”在从句中作宾语,“That”在主语从句中不充当成分,“When”和“How”引导主语从句在句中分别表示时间和方式,不符合本句要求。

6._____ we need is more time.

A.What

B.That

C.Which

D.Who

答案解析:A。“What we need”是主语从句,“What”在从句中作宾语,“That”在主语从句中不充当成分,“Which”表示“哪一个”,“Who”表示“谁”,不符合本句要求。

7._____ will be in charge of the project has not been decided yet.

A.Who

B.Whom

C.Whoever

D.Whomever

答案解析:A。“Who will be in charge of the project”是主语从句,“Who”在从句中作主语。“Whom”和“Whomever”在从句中作宾语,“Whoever”表示“无论谁”,语气太强烈,不符合本句要求。

8._____ he has done is wrong.

A.What

B.That

C.Which

D.Who

答案解析:A。“What he has done”是主语从句,“What”在从句中

作宾语,“That”在主语从句中不充当成分,“Which”表示“哪一个”,“Who”表示“谁”,不符合本句要求。

9._____ is important is that we should study hard.

A.What

B.That

C.It

D.As

答案解析:A。“What is important”是主语从句,“What”在从句中作主语,“That”引导主语从句时在句中不充当成分,“It”作形式主语时后面要有真正的主语从句,“As”引导非限制性定语从句,不符合本句要求。

10._____ we should do next is to discuss the plan.

A.What

B.That

C.How

D.Which

答案解析:A。“What we should do next”是主语从句,“What”在从句中作宾语,“That”在主语从句中不充当成分,“How”表示方式,“Which”表示“哪一个”,不符合本句要求。

11. I don't know ____ he will come to the party.

A.if

B.that

C.when

D.what

答案解析:A。本题考查宾语从句连接词。“if”表示“是否”,符合语境。“that”在宾语从句中不充当成分且没有实际意义,这里需要有具体含义的连接词。“when”表示“什么时候”,与题意不符。“what”表示“什么”,也不符合句子意思。

12. The teacher asked us ____ we had finished our homework.

A.that

B.if

C.what

D.when

答案解析:B。“asked”表明是询问,“if”表示“是否”符合询问的语境。“that”在这里不恰当,因为不是陈述一个确定的事实。“what”“什么时候”不符合询问是否完成作业的意思。“when”询问时间,与题意不符。

13. We are discussing ____ we should go on a picnic this weekend.

A.that

B.if

C.what

D.where

答案解析:B。这里是在讨论周末是否去野餐,“if”表示“是否”合适。“that”无实际意义,不适合讨论的语境。“what”“什么”与去野餐不

搭配。“where”虽然也可引导宾语从句,但这里重点在是否去而不是去哪里。

14. I wonder ____ he is so good at English.

A.that

B.if

C.what

D.why

答案解析:D。“wonder”表示想知道,后面应该是想知道原因,“why”符合。“that”不恰当。“if”“是否”不符合。“what”“什么”也不合适。

15. She told me ____ she had seen a famous star in the school.

A.that

B.if

C.when

D.what

答案解析:A。“told me”后面是陈述一个事实,用“that”引导宾语从句。“if”“是否”不合适。“when”“什么时候”与句子意思不符。“what”“什么”也不恰当。

16. Do you know ____ the library closes?

A.what time

B.that

C.if

D.when

答案解析:D。询问图书馆什么时候关门,“when”符合。“what time”比较具体,一般用于问具体的时间点,这里问的是图书馆关门的大概时间,用“when”更合适。“that”不恰当。“if”“是否”不符合。

17. We want to know ____ he will join our club.

A.that

B.if

C.what

D.when

答案解析:B。“want to know”是想知道,后面应该是是否会加入俱乐部,“if”表示“是否”合适。“that”不恰当。“what”“什么”与加入俱乐部不搭配。“when”询问时间,与题意不符。

18. I can't remember ____ I put my keys.

A.that

B.if

C.where

D.what

答案解析:C。“remember”后面是记不起来钥匙放在哪里了,“where”符合。“that”无实际意义,不适合。“if”“是否”不符合。“what”“什么”也不恰当。

19. Tell me ____ you like this book.

A.that

B.if

C.what

D.why

答案解析:B。“Tell me”后面是询问是否喜欢这本书,“if”表示“是否”合适。“that”不恰当。“what”“什么”与喜欢书不搭配。“why”询问原因,这里不是问喜欢的原因。

20. He asked me ____ I could help him with his homework.

A.that

B.if

C.what

D.when

答案解析:B。“asked me”后面是询问是否能帮忙做作业,“if”表示“是否”合适。“that”不恰当。“what”“什么”与帮忙做作业不搭配。“when”询问时间,与题意不符。

21.The reason for his absence is _____ he was ill.

A.that

B.because

C.since

D.for

答案解析:A。表语从句中,“that”在从句中不充当成分,只起连接作用,这里“he was ill”是个完整的句子,用“that”引导。“because”“since”“for”一般用来引导原因状语从句,不能引导表语从句。

22.My opinion is _____ we should go on a picnic this weekend.