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20202021年名詞性從句知識點總結(jié)(2)一、名詞性從句1.________ 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,主語從句中的lie為不及物動詞,所以主句中缺少狀語,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的賓語是where his failure lies是被弄清楚,要用動詞不定式的被動形式。因此選C?!军c評】考查名詞性從句及固定搭配,本題涉及主語從句和固定短語expect do.2.is even more important is the earth cooled down, water began to appear on its surface.A.When。 that。 whenB.What。 whether。 asC.What。 that。 asD.lt。 whether。 as【答案】 C 【解析】【分析】這題考查從句的用法,第一空填what引導主語從句,在主語從句中what做主語,第二空填that引導表語從句,在表語從句中,as是引導時間狀語從句,句意是:甚至更重要的是:隨著地球的冷卻,水開始出現(xiàn)在表面。選C。3._______ are playing an important part is well known to us all.A.That whoB.Those whoC.Who thatD.Who【答案】 D 【解析】【分析】考查主語從句。句意:誰起著重要作用,這是眾所周知的。主語從句缺少引導詞,從句缺少主語,故選D。4.In the past decade, our education system too much on grades. However, grades have a direct connection with future success is still a question.A.focused。 whetherB.focused。 ifC.has focused。 whetherD.has focused。 if【答案】 C 【解析】【分析】考查時態(tài)和主語從句。根據(jù)In the past decade,在最近的幾十年里,可知句子用現(xiàn)在完成時態(tài),our education system是句子的主語,單數(shù)形式,所以第一空填has focused;第二空是主語從句做主語,if是否,不能引導主語從句,所以第二空填whether。故選C?!军c評】主語從句主要有三類:1)(1)由連詞that引導的主語從句:引導詞that無含義,在句中不做成分,不可以省。例如:That you will win the medal seems 。(2)用連詞 whether 引導的主語從句:whether有含義(是否),在句中不做成分,不可以省。例如:Whether she is ing or not doesn39。t matter too 。注意:if不能引導主語從句。2)用連接代詞引導的主語從句(在由連接代詞who, whose, whom, which, what, whoever, whomever, whichever, whatever引導的名詞性從句中,其連接代詞在句中起名詞性作用,擔當一定成分).例如:What you need is more 。3)用連接副詞when, where, why, how引導的名詞性從句(其連接副詞有含義,在句中作狀語。)例如:Where we should leave it is a problem.5.Located between the 16th and the 18th floor, ______ I call my “home” is more like a “bird39。s nest”.A.whichB.thatC.whatD.where【答案】 C 【解析】【分析】考查主語從句。What引導主語從句______ I call my “home”且 What在從句中充當call的賓語。故選C。6.____ he will offer us enough help doesn39。t matter a lot to our success. A.IfB.WhetherC.Before16