名词性从句后50题

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高一英语名词性从句练习题50题

高一英语名词性从句练习题50题1._____ is known to us all is that the earth is round.A.WhatB.AsC.ItD.That答案解析：A。

“What is known to us all”是主语从句，what在从句中作主语。

B 选项“As”引导定语从句；C 选项“It”作形式主语，但题干已有形式主语“is known to us all”，所以C 错误；D 选项“That”引导主语从句时在从句中不充当成分，而此句缺少主语成分，所以 D 错误。

2._____ he will come or not is still unknown.A.WhetherB.IfC.ThatD.When答案解析：A。

“Whether he will come or not”是主语从句，“whether...or not”是固定搭配。

B 选项“If”不能引导主语从句放句首；C 选项“That”引导主语从句无“是否”之意；D 选项“When”在句中意思不符。

3._____ makes this book so special is its vivid descriptions.A.WhatB.ThatC.WhichD.Who答案解析：A。

“What makes this book so special”是主语从句，what 在从句中作主语。

B 选项“That”引导主语从句时在从句中不充当成分；C 选项“Which”有选择之意，在此句中不合适；D 选项“Who”指人，不符合语境。

4._____ caused the accident is being investigated.A.WhatB.WhoC.ThatD.When答案解析：A。

“What caused the accident”是主语从句，what 在从句中作主语。

B 选项“Who”指人，题干未明确是人引起的事故；C 选项“That”引导主语从句时在从句中不充当成分；D 选项“When”指时间，不符合语境。

高一英语名词性从句单选题50题(含答案)

高一英语名词性从句单选题50题(含答案)1. I believe ____ he will come back soon.A. thatB. ifC. whetherD. when答案：A。

解析：“I believe that+句子”是固定用法，表示“我相信……”。

选项B“if”表示“是否”“如果”；选项C“whether”也表示“是否”；选项D“when”表示“什么时候”。

在这个句子中，表达的是确定的相信，所以用that。

2. She told me ____ she had finished her homework.A. thatB. ifC. whetherD. what答案：A。

解析：“She told me that+句子”表示“她告诉我……”。

选项B“if”和选项C“whether”用于表示不确定的情况；选项D“what”引导的是宾语从句，要在从句中充当成分，此句不缺成分。

3. We know ____ the earth is round.A. thatB. ifC. whetherD. which答案：A。

解析：“We know that+句子”是常见表达，表示“我们知道……”。

选项B“if”和选项C“whether”不合适，此句是确定的事实；选项D“which”要在从句中有选择的意思，这里不适用。

4. He said ____ he was going to the park.A. thatB. ifC. whetherD. where答案：A。

解析：“He said that+句子”表示“他说……”。

选项B“if”和选项C“whether”在这个语境中不恰当；选项D“where”引导的是地点状语从句，这里不需要。

5. I think ____ it will rain tomorrow.A. thatB. ifC. whetherD. when答案：A。

解析：“I think that+句子”表示“我认为……”。

高三英语名词性从句分析高级练习题50题答案解析版

高三英语名词性从句分析高级练习题50题答案解析版1.______ he will come or not is still a question.A.WhetherB.IfC.ThatD.What答案解析：A。

“Whether...or not”是固定搭配，在主语从句中表示“是否”。

if 不能与or not 连用，that 在主语从句中无实际意义，what 在主语从句中要充当成分，此处不合适。

2.______ surprised us most was that he passed the exam.A.WhatB.ThatC.WhichD.It答案解析：A。

what 在主语从句中充当主语，表示“让我们最惊讶的事情”。

that 在主语从句中无实际意义，which 在有范围时使用，it 不能引导主语从句。

3.______ is known to all, the earth is round.A.AsB.WhichC.ThatD.What答案解析：A。

as is known to all 是固定搭配，意思是“众所周知”，as 在主语从句中引导非限制性定语从句，指代后面整个句子。

which 引导非限制性定语从句时不能放在句首，that 和what 不用于此结构。

4.______ makes mistakes must correct them.A.WhoB.WhoeverC.AnyoneD.Anyone who答案解析：D。

anyone 是先行词，who 引导定语从句修饰anyone，在整个句子中作主语。

whoever 不能修饰anyone，单独的who 不能表示“任何人”，anyone 单独使用不能引导主语从句。

5.______ you have done might do harm to others.A.WhatB.ThatC.WhichD.Whether答案解析：A。

what 在主语从句中充当宾语，表示“你所做的事情”。

高一英语名词性从句综合练习题50题

高一英语名词性从句综合练习题50题1. I believe ___ he will come to help us.A.thatB.whatC.whichD.when答案：A。

that 在名词性从句中只起连接作用，在宾语从句中不充当任何成分。

本句中“he will come to help us”是完整的句子，用that 引导宾语从句。

选项B“what”在名词性从句中要充当成分；选项C“which”在名词性从句中有选择的意思；选项D“when”引导时间状语从句。

2. The news ___ he told me is very exciting.A.thatB.whatC.whichD.who答案：A。

“he told me”缺少宾语，先行词是“news”，用that 引导定语从句，在从句中作宾语。

选项B“what”不能引导定语从句；选项C“which”在引导定语从句时先行词通常是物；选项D“who”引导定语从句先行词是人。

3. It is clear ___ he is a good student.A.thatB.whatC.whichD.when答案：A。

“he is a good student”是完整的句子，用that 引导主语从句，it 作形式主语。

选项B“what”在名词性从句中要充当成分；选项C“which”在名词性从句中有选择的意思；选项D“when”引导时间状语从句。

4. We all know ___ the earth is round.A.thatB.whatC.whichD.when答案：A。

“the earth is round”是完整的句子，用that 引导宾语从句。

选项B“what”在名词性从句中要充当成分；选项C“which”在名词性从句中有选择的意思；选项D“when”引导时间状语从句。

5. The teacher said ___ we should study hard.A.thatB.whatC.whichD.when答案：A。

中考英语名词性从句练习题50题含答案解析

中考英语名词性从句练习题50题含答案解析1. I don't know ______ he will come to the party.A.ifB.thatC.whenD.what答案解析：A。

“if”在这里表示“是否”，引导宾语从句；“that”在宾语从句中无实际意义，通常引导陈述事实的句子，本题中不是陈述事实；“when”表示时间，与本题的语境不符；“what”表示“什么”，在本题中不符合逻辑。

2. She asked me ______ I had finished my homework.A.thatB.ifC.whatD.when答案解析：B。

“if”表示“是否”，符合语境；“that”引导的宾语从句一般是陈述事实，本题不是；“what”“什么”不符合逻辑；“when”表示时间，这里不是询问时间。

3. We wonder ______ he can solve the problem.A.thatB.ifC.what答案解析：B。

“if”表示“是否”，在这里符合语境；“that”引导陈述事实的宾语从句，不合适；“what”“什么”不符合题意；“how”表示方式，与本题语境不符。

4. Do you know ______ he is doing now?A.whatB.thatC.ifD.when答案解析：A。

“what”在宾语从句中作“doing”的宾语；“that”无实际意义，不适合；“if”“是否”，不符合语境；“when”表示时间，不合适。

5. I can't tell you ______ I will come back.A.thatB.ifC.whenD.what答案解析：C。

“when”表示时间，符合语境；“that”引导陈述事实的宾语从句，不合适；“if”“是否”，不符合语境；“what”“什么”不符合逻辑。

6. He said ______ he would help me with my English.A.thatB.ifD.when答案解析：A。

初二英语名词性从句练习题50题含答案解析

初二英语名词性从句练习题50题含答案解析1._____ makes the school famous is its excellent teaching staff.A.WhatB.ThatC.WhichD.Who答案解析：A。

“What makes the school famous”在句中作主语，what 在主语从句中充当主语成分。

B 选项that 在主语从句中不充当成分，且此句缺少主语成分，所以不选B。

C 选项which 一般在有选择范围的时候使用，此句无选择范围，不选C。

D 选项who 通常指人，此句不是指人，不选D。

2._____ he will come or not is still unknown.A.WhetherB.IfC.ThatD.When答案解析：A。

“Whether he will come or not”在句中作主语，whether...or not 是固定搭配，在主语从句中只能用whether 不能用if，所以不选B。

C 选项that 在主语从句中不充当成分，且此句不是陈述一个事实，不选C。

D 选项when 表示时间，此句不是关于时间的主语从句，不选D。

3._____ surprised us most was that he passed the exam easily.B.ThatC.WhichD.Who答案解析：A。

“What surprised us most”在句中作主语，what 在主语从句中充当主语成分。

B 选项that 在主语从句中不充当成分，且此句缺少主语成分，所以不选B。

C 选项which 一般在有选择范围的时候使用，此句无选择范围，不选C。

D 选项who 通常指人，此句不是指人，不选D。

4._____ is important is that we should study hard.A.WhatB.ThatC.WhichD.Who答案解析：A。

九年级英语名词性从句练习题50题(带答案)

九年级英语名词性从句练习题50题(带答案)1. ______ is still a mystery how the ancient Egyptians built the pyramids.A. ItB. ThatC. WhatD. Which答案解析：A。

主语从句的概念是在复合句中充当主语的从句。

这里“how the ancient Egyptians built the pyramids”是一个主语从句，为了避免句子头重脚轻，通常用it作形式主语，真正的主语从句后置，所以选A。

选项B“that”引导主语从句时，无实际意义，不充当句子成分，但此处句子缺少形式主语，所以不选B。

选项C“what”在主语从句中要充当主语、宾语等成分，这里从句不缺成分，不选C。

选项D“which”表示“哪一个”，在主语从句中有选择的含义，这里不适用，不选D。

2. ______ we will go for a picnic tomorrow depends on the weather.A. IfB. WhetherC. ThatD. Which答案解析：B。

主语从句中，表示“是否”且引导主语从句时，只能用“whether”，不能用“if”，所以A错误。

“that”引导主语从句时无实际意义，这里需要表示“是否”的含义，C错误。

“which”表示“哪一个”，不符合句子语境，D错误。

3. ______ makes this shop different is that it offers more personal services.A. WhatB. WhoC. WhateverD. Whoever答案解析：A。

在这个句子中，“______ makes this shop different”是主语从句，从句中缺少主语，表示“什么使得这个商店不同”，用“what”。

“who”表示“谁”，不符合句子含义，B错误。

“whatever”表示“无论什么”，有让步的含义，这里不需要，C错误。

高中英语名词性从句作表语练习题50题答案解析版

高中英语名词性从句作表语练习题50题答案解析版1. The question is ____ we can finish the work on time.A. thatB. ifC. whetherD. what答案解析：C。

在名词性从句作表语中，“whether”表示“是否”，引导表语从句，在这里表达“问题是我们是否能按时完成工作”。

选项A“that”引导表语从句时无实际意义，在此句中不符合语义。

选项B“if”虽然也有“是否”的意思，但不能用于表语从句。

选项D“what”在表语从句中充当主语、宾语或表语等成分，而此句中不需要这样的成分，所以选C。

2. Her problem was ____ she could get enough money for the trip.A. thatB. howC. whichD. why答案解析：B。

本题考查表语从句。

“how”表示方式，在此句中表示“她的问题是她如何能得到足够的钱去旅行”。

选项A“that”无实际意义，不能表达出句子的逻辑关系。

选项C“which”表示“哪一个”，不符合句子语义。

选项D“why”表示“为什么”，也不符合句子要表达的是方式的语义，所以选B。

3. The fact is ____ he has never been to Paris.A. whichB. thatC. whatD. where答案解析：B。

在这个句子中，“that”引导表语从句，无实际意义，只起连接作用，“the fact”是主语，“is”是系动词，后面“that he has never been to Paris”是表语从句，陈述一个事实。

选项A“which”在表语从句中要有选择的含义，这里不适用。

选项C“what”要在从句中充当成分，而此句不需要。

选项D“where”表示地点，不符合句子语义，所以选B。

4. My idea is ____ we should have a party this weekend.A. thatB. whenC. howD. why答案解析：A。

中考英语名词性从句练习题50题含答案解析

中考英语名词性从句练习题50题含答案解析1.I believe that he will come to the party.A.that he will come to the partyB.if he will come to the partyC.whether he will come to the partyD.when he will come to the party答案解析：A。

本题考查宾语从句。

“I believe that+陈述句”是常见的宾语从句结构。

选项 A 为正确的陈述句语序的宾语从句；选项B“if he will come to the party”表示“是否他会来派对”，在这个语境下不如“that he will come to the party”肯定；选项C“whether he will come to the party”也表示“是否”，与本题表达的肯定意思不符；选项D“when he will come to the party”表示“他什么时候会来派对”，不符合本题的语境。

2.My mother told me that I should study hard.A.that I should study hardB.if I should study hardC.whether I should study hardD.when I should study hard答案解析：A。

本题同样考查宾语从句。

“My mother told me that+陈述句”结构正确。

选项 A 为正确的陈述句语序的宾语从句；选项B 和C 都表示“是否”，与本题语境不符；选项D“when I should study hard”表示“我什么时候应该努力学习”，不符合本题语境。

3.We know that the earth is round.A.that the earth is roundB.if the earth is roundC.whether the earth is roundD.when the earth is round答案解析：A。

初一英语名词性从句练习题50题含答案解析

初一英语名词性从句练习题50题含答案解析1._____ makes the school famous is its excellent teaching staff.A.WhatB.ThatC.WhichD.Who答案解析：A。

“What makes the school famous”在句中作主语，what 在主语从句中作主语，表示“什么让学校出名”。

that 在名词性从句中不充当成分；which 在名词性从句中有选择含义；who 在主语从句中只能指人。

2._____ he will come or not is still uncertain.A.IfB.WhetherC.ThatD.What答案解析：B。

“Whether he will come or not”在句中作主语，whether 引导主语从句表示“是否”，if 不能引导主语从句放在句首；that 在名词性从句中不充当成分；what 在主语从句中要充当成分。

3._____ surprised us most was his attitude towards the problem.A.WhatB.ThatC.Which答案解析：A。

“What surprised us most”在句中作主语，what 在主语从句中作主语，表示“最让我们惊讶的事情”。

that 在名词性从句中不充当成分；which 在名词性从句中有选择含义；who 在主语从句中只能指人。

4._____ is known to all, the earth moves around the sun.A.AsB.ItC.WhatD.That答案解析：A。

“As is known to all”是固定用法，as 引导非限制性定语从句，指代后面整个句子的内容。

it 不能引导从句；what 在主语从句中要充当成分；that 不能引导非限制性定语从句。

5._____ we need is more time.A.WhatB.ThatC.WhichD.Who答案解析：A。

高一英语名词性从句练习题50题含答案解析

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.WhoB.WhomC.WhoeverD.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.ThatB.WhetherC.IfD.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.WhatB.ThatC.AsD.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.WhatB.ThatC.WhoD.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.WhatB.ThatC.WhenD.How答案解析：A。

名词性从句50题

15. Sometimes, __________we show our gratitude to a person is reflected in the kind of food we serve him or her.
A. when B. whether C. why D. how
14.
【答案】：C
【解析】：本题考查宾语从句的用法。连接代词whatever引导的名词性从句作介词with的宾语，whatever又在从句中做定语修饰problem，whatever problems arise相当于any problems that arise。
【句意】：Johnson是刚毕业的大学生。他很难应付出现的任何问题。
14. Johnson is a new graduate. He has difficulty in dealing with __________problems arise.
A. wherever B. whichever C. whatever D. whenever
A. that B. what C. which D. whose
10.
【答案】：B
【解析】：what引导宾语从句，并在从句中做call的宾语。名词性从句不缺成分时才能用that引导。
【句意】：怯场是教育者称之为学生们缺乏自信的例证中的一个很普遍的例子。
【句意】：你要谈的是青藏铁路在中国铁路史上具有重要作用这一主题吗？
9. It gives his life a flying start __________he has gone abroad for further education.
A. what B. when C. that D. how

高二英语名词性从句练习题50题

高二英语名词性从句练习题50题1.______ makes this school special is its excellent teaching staff.A.WhatB.WhyC.HowD.When答案：A。

解析：本句中“______ makes this school special”为主语从句，缺少主语，只有what 可以在主语从句中充当主语。

why 表示原因；how 表示方式；when 表示时间，均不符合题意。

2.______ we need more books for the library is obvious.A.ThatB.WhatC.WhichD.Whether答案：A。

解析：本句中“______ we need more books for the library”为主语从句，不缺成分且意义完整，用that 引导。

what 在主语从句中要充当成分；which 表示有选择范围；whether 表示“是否”，均不符合题意。

3.______ he will come or not is still a question.A.IfB.WhetherC.That答案：B。

解析：“______ he will come or not”为主语从句，“是否”用whether 引导，if 不能引导主语从句。

that 无实际意义，在句中不做成分；what 在主语从句中要充当成分，均不符合题意。

4.______ surprised me most was his attitude towards the problem.A.WhatB.ThatC.WhichD.Who答案：A。

解析：“______ surprised me most”为主语从句，缺少主语，用what 引导。

that 在主语从句中不做成分且无实际意义；which 表示有选择范围；who 指人，均不符合题意。

5.______ you do should be in the best interests of the students.A.WhatB.WhichC.ThatD.Whether答案：A。

高三英语名词性从句练习题50题(带答案)

高三英语名词性从句练习题50题(带答案)1. The news ____ he won the first prize in the competition made his parents proud.A.thatB.whichC.whatD.when答案解析：A。

本题考查同位语从句。

“he won the first prize in the competition”是对“news”的解释说明，是同位语从句，且从句中不缺少任何成分，用that 引导。

选项B 中which 在引导同位语从句时，需要在从句中充当成分；选项C what 在名词性从句中一般充当主语、宾语等成分；选项D when 引导时间状语从句，不符合题意。

2. We believe ____ he will come back soon.A.thatB.whichC.whatD.when答案解析：A。

本题考查宾语从句。

“he will come back soon”是完整的句子，不缺成分，用that 引导宾语从句。

选项B which 在宾语从句中一般需要有选择范围；选项 C what 在宾语从句中充当成分；选项D when 引导时间状语从句，不符合题意。

3. The fact ____ he is a famous singer is known to all.B.whichC.whatD.when答案解析：A。

本题考查同位语从句。

“he is a famous singer”是对“fact”的解释说明，是同位语从句，且从句中不缺少任何成分，用that 引导。

选项B which 在引导同位语从句时，需要在从句中充当成分；选项 C what 在名词性从句中一般充当主语、宾语等成分；选项 D when 引导时间状语从句，不符合题意。

4. I heard the news ____ our team had won the game.A.thatB.whichC.whatD.when答案解析：A。

名词性从句练习50题目带有答案

1.It is doubtful ___________ he knows it or not.A.thatB.ifC.whatD.whether2._______that there is another good harvest this year.A.It saysB.It is saidC.This isD.He was told3.Is this _________looking for?A.you wereB.that you wereC.what were youD.what you were4.______we are doing has never been done before.A.ThatB.WhichC.WhetherD.What5.She said that she ________ there for two years.A.has workedB.had workedC.was workingD.worked6.He said that he _________us.A. will helpB. would helpC. is helpingD. helped7.Now we have learnt ____________.A.what is heatB. whether is heatC. when is heatD. what heat is8.She ________ that she lives in London.A.saidB.saysC.had saidD.was saying9.Can you tell us _____________.A.who that man isB.who is that manC.what is that manD.whom that man is10.I wonder ____________.A.how much cost these shoesB.how much do these shoes costC.how much these shoes costD.how much are these shoes cost 11.--Why is Jack so late?--I don't know _________be.A.can what the reasonB.what the reason canC.the reason what canD.what can the reason12.Ask him ____________.A. how old he isB. how old is heC. how old has heD. how old he has13.He wanted to know _________ there.A.how long time I had beenB.how long had I beenC.how long time I have beenD.how long I had been14.He always thinks of ________ he can work better for the people.A.whatB.whichC.whyD.how15.--What is that thing?--I don't know what _______.A.is that thingB.was that thingC.it isD.is it16.--What does she want?--I don't know what ________.A. does she wantB. did she wantC. she wantedD. she wants17.--Where did they do it?--I am not sure where ________. A. they did it B. did they do itC. they do itD. do they do it18.--When do this shops open? --I don't know when ___________.A. those shops openB. are those shops openC. do those shops openD. those shops open19.The policeman wanted to know ____________.A.where I was goingB.where I am goingC.where I goingD.where was I going20.______ he will attend the meeting is certain.A.WhatB.ThatC.In whichD.If21.The decision is _______ you must go alone.A./B.thatC.whichD.what22.Can you point out _______ two radios ate the best?A.whichB.whatC.thatD.whether23.I asked her in English _______ she was,and she told me ______she was an actress.A.who; thatB.who; /C.what; /D.how; that24.She took it for granted _______I'd be back home an hour ago.A.thatB.whetherC.ifD.when25.At that time I had no idea _______ I could hand it to him without being seen.A.ifB.thatC. ifD.whetherst Sunday he made a promise ______ he was free he would take me to Dalian.A.ifB.thatC. ifD.whether27.The true value of life is not in ________,but_________.A.how you get...that you giveB.which you get...what you giveC.what you get...what you giveD.what do you get...what do you give28._____surprised me most was __________.A.That; that she spoke Japanese so wellB.What; how could she speak Japanese so wellC.What; that she spoke Japanese so wellD.That; why she could speak Japanese so well29.These computers are different from _________.A.that we expectedB.what we expectedC.which we have expectedD.what we expect30.I wonder _________ Mrs Brown is still alive.A.ifB.howC.howeverD.whether31._______ Mary always studies well is known to us.A.WhenB.WhichC.ThatD./32.They want to know ________ do to help us.A.what can theyB.how they canC.what they canD.how can they33.They want to know _____________?A.whose umbrella is thisB.whose umbrella this isC.whose this is umbrellaD.whose is this umbrella34._______he is a rich man is know to all in the city.A.BecauseB.ThatC./D.Who35._______the moon has no light of its own is a well-known fact.A.ThatB.IfC.WhetherD./36.It doesn't matter ________we need it or not.A.whetherB.ifC.thatD./37.______ we need it is a different matter.A.IfB.WhetherC./D.What38.The fact _____ the earth is round is true.A.thatB.whichC.whatD.why39.It is certain _______he will come.A./B.thatC.whatD.which40.Smith came here to look for someone, but I didn't know______was the one he was looking for.A.whoB.whomeverC.whomD.whatever41.The fact ______ he was successful proves his ability.A.thatB.whatC.whichD.why42._______mathematics is the base of all other science.A.This is becauseB.This is thatC.It is thatD.Because43.The problem _______ we can master modern science and technology in a short time.A.is ifB.is thatC.is whatD.is how44.This is one of the examples of _______ by telegraph.A.how are messages sentB.that messages are sentC.that are messages sentD.how messages are sent45.Can you tell me _______exercise is the easiest?A.whatB.ifC.whichD.that46.__________ came to see me?A.Who you thinkB.Do you think whoC.Who do you thinkD.Whom do you think47.Do you know _____________?A.who is sheB.who she isC.whom she isD.she is who48.You may take ________ book you like.A.whichB.onlyC.whicheverD.what49.Spanish and French are taught. You may choose _____ you like.A.whomeverB.whichC.whicheverD.whatever50._________ wins the prize may get the car.A.WhoB.WhomC.WhoeverD.Whomever1--5 DBDDB6--10 BDBAC11--15 BADDC16--20 DAAAB21-25 BACAB26-30 CCCBA31-35 CCBBA36--40 ABABA41--45 AADDC46-50 CBCCC。

中考英语名词性从句练习题50题(答案解析)

中考英语名词性从句练习题50题(答案解析)1._____ is known to all, the earth is round.A.WhatB.AsC.WhichD.That答案解析：B。

“As is known to all”是固定用法，意思是“众所周知”，在这里引导非限制性定语从句，as指代后面整个句子。

选项A“What is known to all”通常不用这个表达；选项C“Which”引导定语从句时，前面要有先行词；选项D“That”引导主语从句时，不在句首，且意思不合适。

2._____ makes this book so popular is its vivid description.A.WhatB.ThatC.WhichD.Who答案解析：A。

“What makes this book so popular”中“what”在主语从句中作主语，表示“使这本书如此受欢迎的东西”。

选项B“That”在主语从句中不充当成分；选项C“Which”在有选择范围时使用；选项D“Who”用于指人。

3._____ he will come or not is still a question.A.WhetherB.IfC.ThatD.When答案解析：A。

“Whether he will come or not”是主语从句，“whether...or not”是固定搭配。

选项B“If”不能与“or not”连用；选项C“That”在这个句子中意思不合适；选项D“When”引导的主语从句意思不符合语境。

4._____ surprised me most was his attitude.A.WhatB.ThatC.WhichD.Who答案解析：A。

“What surprised me most”中“what”在主语从句中作主语，表示“最让我惊讶的东西”。

选项B“That”在主语从句中不充当成分；选项C“Which”在有选择范围时使用；选项D“Who”用于指人，而这里不是指人。

九年级英语名词性从句的引导词练习题50题带答案解析

九年级英语名词性从句的引导词练习题50题带答案解析1._____ he will come or not is still unknown.A.WhetherB.IfC.ThatD.What答案解析：A。

“Whether...or not”是固定搭配，在主语从句中表示“是否”。

选项B“If”不能与“or not”连用。

选项C“That”在主语从句中无实际意义，只起连接作用，且此句并非陈述确定的事实。

选项D“What”在主语从句中要充当句子成分，此句不缺成分。

2._____ surprises us most is his attitude towards difficulties.A.ItB.WhatC.ThatD.Which答案解析：B。

此句缺少主语，且主语是一个句子，要用连接代词引导主语从句并在从句中充当主语。

选项A“It”不能引导主语从句。

选项C“That”在主语从句中无实际意义，只起连接作用，且此句需要有实际意义的词来引导。

选项D“Which”在有选择范围时使用，此句无选择范围。

3._____ we need is more time.A.ThatB.WhatC.WhichD.When答案解析：B。

此句缺少主语，且主语是一个句子，要用连接代词引导主语从句并在从句中充当宾语。

选项A“That”在主语从句中无实际意义，只起连接作用，且此句需要有实际意义的词来引导。

选项C“Which”在有选择范围时使用，此句无选择范围。

选项D“When”在主语从句中作时间状语，此句不缺时间状语。

4._____ is known to us all is that the earth is round.A.AsB.WhatC.ItD.That答案解析：B。

此句缺少主语，且主语是一个句子，要用连接代词引导主语从句并在从句中充当主语。

选项A“As”引导定语从句或非限制性定语从句，不引导主语从句。

选项C“It”不是连接词，不能引导主语从句。

中考英语名词性从句练习题50题答案解析版

中考英语名词性从句练习题50题答案解析版1. ______ makes the school proud is more than 90% of the students have been admitted to key universities.A. WhatB. ThatC. WhichD. As答案：A解析：本题考查主语从句。

“What makes the school proud”在句中作主语，what 在从句中充当主语，表示“使学校骄傲的事情”。

B 选项that 在主语从句中不充当成分，只起引导作用，此处需要充当主语的词，所以B 错误。

C 选项which 表示“哪一个”，在主语从句中有选择的意味，此处并非选择，所以C 错误。

D 选项as 引导的从句一般位于句首，且意思不符合，所以D 错误。

2. ______ you have done might do harm to other people.A. ThatB. WhatC. WhetherD. How答案：B解析：本题考查主语从句。

“What you have done”作主语，what 在从句中充当宾语，表示“你所做的事情”。

A 选项that 在主语从句中不充当成分，只起引导作用，此处需要充当宾语的词，所以A 错误。

C 选项whether 表示“是否”，在主语从句中不充当成分，且意思不符合，所以 C 错误。

D 选项how 表示“如何”，在主语从句中充当方式状语，此处需要宾语，所以D 错误。

3. ______ is a fact that English is being accepted as an international language.A. ThereB. ThisC. ThatD. It答案：D解析：本题考查it 作形式主语的主语从句。

It 作形式主语，真正的主语是“that English is being accepted as an international language”。

六年级英语名词性从句完形填空题50题

六年级英语名词性从句完形填空题50题1My school life is very interesting. I have many friends and we often play games together. I also like my teachers. They are very kind and helpful. One day, I was talking with my friend. I told him ___1___ I wanted to be a teacher when I grow up. He asked me ___2___ I liked teaching. I said that I thought teaching was a great job because you can help students learn and grow.1. A. that B. if C. what D. whether答案：A。

此处表示“我告诉他我长大后想当老师”，是陈述句，用that 引导。

B 选项if/whether 表示“是否”，引导一般疑问句；C 选项what 引导特殊疑问句；D 选项whether 和if 意思相同，引导一般疑问句。

2. A. that B. if/whether C. what D. why答案：B。

此处表示“他问我是否喜欢教学”，是一般疑问句，用if/whether 引导。

A 选项that 引导陈述句；C 选项what 引导特殊疑问句；D 选项why 表示“为什么”，引导特殊疑问句。

At school, we have many subjects. I like English best. I think it's very useful. I know ___3___ English can help me communicate with people from different countries. My English teacher often tells us ___4___ important it is to learn English well.3. A. that B. if/whether C. what D. how答案：A。

五年级英语名词性从句单选题50题

五年级英语名词性从句单选题50题1. The teacher told us _that_ the earth is round.A.thatB.ifC.whetherD.what答案：A。

本题中“the teacher told us”后面接的是一个陈述句，用that 引导名词性从句。

选项B“if”和选项C“whether”通常引导表示“是否”的宾语从句；选项D“what”在名词性从句中通常要充当成分，而本句不缺成分。

2. I believe _that_ he will come back soon.A.thatB.ifC.whetherD.when答案：A。

“I believe”后面接的是一个确定的陈述句，用that 引导名词性从句。

选项B“if”和选项C“whether”一般引导不确定的内容；选项D“when”引导时间状语从句，不符合本题语境。

3. My mother said _that_ she had bought a new book.A.thatB.ifC.whetherD.who答案：A。

“My mother said”后面是一个陈述句，用that 引导名词性从句。

选项B“if”和选项C“whether”一般用于疑问的情况；选项D“who”用于引导询问人的名词性从句，这里不合适。

4. We know _that_ the sun rises in the east.A.thatB.ifC.whetherD.where答案：A。

“We know”后面接确定的事实，用that 引导名词性从句。

选项B“if”和选项C“whether”表示不确定；选项D“where”引导地点状语从句，不符合本题语境。

5. Tom thought _that_ he could finish his homework quickly.A.thatB.ifC.whetherD.how答案：A。

“Tom thought”后面是一个陈述句，用that 引导名词性从句。