1、单项填空 第13课时名词性从句一 1.Our teachers always tell us to believe in_ we do and who we are if we want to succeed.(2011四川卷)A.whyB.howC.whatD.whichC 考查名词性从句。in介词后面接宾语从句，且从句中缺do的宾语，故选C项。why,how在句中作状语；which在名词性从句中作定语。思路点拨 2.It is still under discussion _ the old busstation should be replaced with a modern hotel
2、 or not.(2011重庆卷)A.whetherB.whenC.whichD.whereA 考 查 名 词 性 从 句。still underdiscussion“还在讨论中”说明“旧中巴车站是否应该被一个现代宾馆替代”还没决定。且根据后面的or not也可以做出正确选择。思路点拨【考点1】名词性从句的种类及连接词 I want to be liked and loved for_ I aminside.A.whoB.whereC.whatD.howC what 引导的宾语从句作for 的宾语，what在从句中作am的表语。名词性从句具有名词的功能，分为主语从句、宾语从句、表语从句和同位语
3、从句四种。它由以下三种连接词引导：1.连词：that,whether,if。2.连接代词：who,whom,whose,which,what等。3.连接副词：when,where,why,how等。【考点2】连词that的用法Keep in mind _ you want others torespect you,you must respect others first.A.that whenB.that ifC.if whenD.when if B that引导一个宾语从句，宾语从句中又有一个由if引导的条件状语从句。1.that引导名词性从句时既无词义也不在从句中作任何成分。2.that
4、引导主语从句、表语从句、同位语从句时一般不可省，引导宾语从句时常可省。但是，and连接两个由that引导的宾语从句时，第一个that可省，第二个that不可省。3.that从句一般不作介词的宾语。但：inthat“因为”，except/but that“除了”例外。【考点3】whether,if的用法Its reported that Pakistan is considering_ to continue its information cooperationwith the US because the US didnt inform themin advance before they
5、took action to kill BinLaden.(2011成都七中高三模拟卷)A.whatB.howC.whetherD.ifC 在 whether后只能用不定式或接or not，不能接if，即whether to do 或whether or not。whether,if引导名词性从句时，表示“是否”，不在从句中作任何成分，二者常可通用，但在下面几种情况下一般只用whether:(1)引导主语从句。(2)引导表语从句。(3)引导同位语从句。(4)在动词discuss之后。(5)在介词之后。(6)后面紧跟or not。(7)动词不定式前。【考点4】名词性从句的语序I really w
6、onder _ will stop Japanfrom its annual whale hunt in the Antarctic.(2011山西太原五中月考)A.that it is whatB.what it is thatC.what is it thatD.that is it what B 空白处为一宾语从句作动词wonder的宾语。而宾语从句是一个强调句，强调what。由于宾语从句要采用陈述语序，故选B。名词性从句用陈述语序，为：连词(被修饰语)主语谓语。即主谓不倒装。【考点5】what与that引导名词性从句的区别It is not always easy for the pu
7、blic to see_ use a new invention can be of to humanlife.(2011重庆卷)A.whoseB.whatC.whichD.thatB 空白处作动词 see 的宾语。宾语从句按顺序为：a new invention can be of what use tohuman life，疑问词what置前。引导词what在句中既作了引导词，又在句中有实义。Modern science has given clear evidence_ smoking can lead to many diseases.(2011天津卷)A.whatB.whichC.t
8、hatD.whereC that引导词作前名词evidence的同位语从句引导词。该词只起引导作用，无实义，不可省略。1.在名词性从句中，that只起连接主句和从句的作用，在从句中不充当任何成分，本身也没有词义，即从句中不缺少任何成分时用连词that。2.that在从句中作主语时通常用it作形式主语，而将that从句置于句末作真正的主语。但what不能用it作形式主语。3.that可引导同位语从句，但what不能。【考点6】由reason作主语时，表语从句的连接词The reason why he cant go to school is_ he is ill.A.becauseB.whyC.
9、thatD.whichC reason作主语时，其后的表语从句一般用连词that。reason作主语时，表语从句所用连词为that,一般不用because或why等。【考点7】that引导同位语从句和定语从句的区别_ was known to all that William had brokenhispromise_hewouldneverplaycomputer games again.(2011湖南雅礼中学高三月考卷)A.As;whichB.As;thatC.It;thatD.What;thatC it作形式主语，第一个that后引导从句作真正主语。名词promise后接that引导的同位语从句，对前一名词内容进一步补充说明。Helping others is a habit,one _ you canlearn even at an early age.A.itB.thatC.whatD.whoB one是a habit的同位语。作为定语从句的先行词，后用which或 that作定语从句动词learn的宾语。关系代词作宾语也可省略。that引导同位语从句时，that在从句中不作成分(一般不省),且不可用which来取代；that引导定语从句时，that须作主语、宾语或表语(作宾语时常可省),且常可用which来取代。