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__ you have been devoted to ________ naturally of great necessity. A.固定句式:主+find+it+adj+to do,主語發(fā)現(xiàn)做某事是……的,故選C。D.C.B.it39。 【點評】考查名詞性從句,本題涉及主語從句,表語從句和賓語從句。 _____ she finally succeeded in which【答案】 B 【解析】【分析】句意:珍妮最興奮的是對他來說似乎是最困難的考試,她終于成功了。What。 thatThat。 whatWhat。 whichThat。 【點評】考查名詞性從句和定語從句,本題涉及主語從句和非限制性定語從句的應用。第一空處為主語從句,從句缺少主語,需用what引導;第二空所在句子是個定語從句,先行詞為整個主句的內(nèi)容,從句中缺少主語,需用which引導。As。It。What。That。14._____ is known to us all is that China has launched Shenzhou VII spaceship, ____ made the country39。 【點評】考查名詞性從句,本題涉及 what引導的主語從句和that引導的表語從句的應用。分析句子可知,主語從句中的謂語動詞makes 缺少主語,主語從句中缺少賓語一般用what,因此選擇 what 來引導主語從句;系動詞 is 后面的表語從句句意完整,不缺少成分,因此選擇 that 引導表語從句。That。 thatC.That。 what13._______ makes me feel worried is _______ singing stars are centered on by masses of teenagers today. A.【點評】考查主語從句的引導詞。根據(jù)語境用what引導主語從句,并在句中做主語。What【答案】 D 【解析】【分析】句意:學習英語中最重要的是有足夠的練習。WhichThatWhy【點評】考查名詞性從句,本題涉及what引導的主語從句的應用。排除A、B、D三項。根據(jù)連詞and可知,本句需要一個引導主語從句的連接詞,該詞同時還要能在從句里充當主語。D.C.B.11.They lost their way in the forest, and ________ made matters worse was that night began to fall. A.you don39。D.ThatB.t like him is none of my business.A.故D正確。AC兩項不能引導主語從句,which在引導名詞性從句的時候總是含有疑問的語義,而本句中并沒有疑問的語義。D.C.B.9.They lost their way in the forest, and ___ made matters worse was that night began to fall.A.故選A。 that【答案】 A 【解析】【分析】句意:讓我更不高興的是那個男孩要求我的朋友做他的女友,她同意了。D.What。 thatB.What。故選C。What引導主語從句______ I call my “home”且D.whatB.which)例如:Where we should leave it is a problem.7.Located between the 16th and the 18th floor, ______ I call my “home” is more like a “bird39。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 。t matter too 。(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?!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。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。has focused。 whetherC.focus