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.A. IfB. 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.A. what thatB. whichC. thatD. 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。故选 D。【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.A. AsB. WhatC. ItD. 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。【点评】考查名词性从句,本题涉及 what 引导的主语从句。4.He took a trip to Beijing last week and ____he saw at the Forbidden City impressed him deeply.A. thatB. howC. whatD. which【答案】 C【解析】【分析】句意:上周他到北京旅行了,他在故宫所看到的给他留下了深刻的印 象。分析句子结构可知,连词 and 后为一个名词性从句,因此应该使用 what 引导,且 what 在从句中作主语,故选 C。【点评】考查名词性从句,本题涉及 what 引导的主语从句。5._________is the centre of our planetary system was a difficult concept to grasp in the MiddleAges.A. It's the sun and not the earthB. The sun and not the earthC. Being the sun and not the earthD. That the sun and not the earth【答案】 D【解析】【分析】句意:太阳而不是地球是我们行星系统的中心,这在中世纪是一个很难 理解的概念。分析句子可知...