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的動(dòng)詞understand缺賓語(yǔ),要填what。故選A。 【點(diǎn)評(píng)】考查名詞性從句,本題涉及主語(yǔ)從句,表語(yǔ)從句和賓語(yǔ)從句的應(yīng)用。 13.________ his failure lies is expected ________ clear to us. A.What… to makeB.How… madeC.Where… to be madeD.Why… making【答案】C 【解析】【分析】句意:他的失敗之處有可能被我們弄清楚。分析句子可知,主語(yǔ)從句中的lie為不及物動(dòng)詞,所以主句中缺少狀語(yǔ),因此填where。expect ,“期望某事發(fā)生”,sth. be expected to ”某事有可能發(fā)生“。make sth. clear to sb為固定搭配,意為“向某人闡明某事,使某人弄清某事”。本句中make的賓語(yǔ)是where his failure lies是被弄清楚,要用動(dòng)詞不定式的被動(dòng)形式。因此選C。【點(diǎn)評(píng)】考查名詞性從句及固定搭配,本題涉及主語(yǔ)從句和固定短語(yǔ)expect do.14.It has been pointed out ________ plays a vital role in driving away one39。s anxiety is one39。s sweet childhood memories. A.what thatB.whichC.thatD.that what【答案】 D 【解析】【分析】句意:有人指出,驅(qū)除焦慮所起著至關(guān)重要的作用是童年美好的回憶。本句時(shí)一個(gè)主語(yǔ)從句,it作形式主語(yǔ),真正的主語(yǔ)為that what plays a vital role in driving away one39。s anxiety is one39。s sweet childhood memories.,主語(yǔ)從句中又有一個(gè)主語(yǔ)從句,且此主語(yǔ)從句中缺少主語(yǔ),所以用what引導(dǎo)。故選D。 【點(diǎn)評(píng)】考查名詞性從句,本題涉及what引導(dǎo)的主語(yǔ)從句。15._______is known to us all is that Johnson broke his promise ______ he would e to help me as soon as possible. A.It。 thatB.What。 thatC.As。 whichD.What。 which【答案】 B 【解析】【分析】句意:我們都知道,Johnson違背了他會(huì)盡快來(lái)幫助我的諾言。分析句子結(jié)構(gòu)可知,第一空為主語(yǔ)從句,從句中缺少主語(yǔ),所以用what,第二空為同位語(yǔ)從句,從句結(jié)構(gòu)完整,所以用that解釋promise的內(nèi)容,故選B。 【點(diǎn)評(píng)】考查名詞性從句,本題涉及主語(yǔ)從句和同位語(yǔ)從句。16.The question new measures should be taken to control the terrible air pollution is puzzles scientists a lot. A.that。 whatB.which。 thatC.what。 whatD.that。 that【答案】 C 【解析】【分析】句意為:應(yīng)該采取什么樣的新措施來(lái)控制空氣污染的問(wèn)題,是讓科學(xué)家非常困惑的事情。第一空根據(jù)主語(yǔ)question,可知措施并不明確,應(yīng)該指“什么樣的new measures”,關(guān)系詞應(yīng)用what;第二空,be動(dòng)詞is后的表語(yǔ)從句缺少主語(yǔ),應(yīng)用關(guān)系詞what,故選C。 【點(diǎn)評(píng)】考查同位語(yǔ)從句。注意that引導(dǎo)同住語(yǔ)從句時(shí),在句中不做成分,也沒(méi)有詞義。17.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:眾所周知地球比太陽(yáng)小。 is known to all 是主語(yǔ)從句,從句中缺少主語(yǔ),因此用what,選B。 【點(diǎn)評(píng)】考查名詞性從句,本題涉及what引導(dǎo)的主語(yǔ)從句。18._________ is known to all is that the earth is smaller than the sun. A.AsB.What