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s are. A. whatThat。C. thatWhat。逗號前有兩個謂語動詞,一個是are,一個是is known,故是兩句話,需填連詞連接這兩句話,根據(jù)句意可知,前面是主語從句,故填that,此處的that,只起連接作用不作任何成分。因此選A。19.________ is the centre of our planetary system was a difficult concept to grasp in the Middle Ages. A.s the sun and not the earthB.Being the sun and not the earthD.分析句子可知,整個句子為主系表結構,was為系動詞,它之前的都為主語,且主語由句子來充當,句子結構以及句意完整,所以連詞代詞為that。 【點評】考查名詞性從句,本題涉及that引導的主語從句。AsWhatItWhich【答案】 B 【解析】【分析】句意:眾所周知,地球比太陽還小。 【點評】考查名詞性從句,本題涉及what引導的主語從句。That。B. thatWhat。D. that【答案】 B 【解析】【分析】句意:澳門取得的成就表明,“一國兩制”原則是解決歷史遺留下來的澳門和香港問題的最好辦法。再分析句子可知,shows后接賓語從句,從句句意和結構完成,所以第二個空應填連接詞that。 【點評】考查名詞性從句,本題涉及what引導的主語從句和that引導的賓語從句。who am I waiting forB.how can she help mewhere did I go【答案】 B 【解析】【分析】句意:你永遠不會猜到發(fā)生了什么事。故選B。s been curious about everything, but that39。 . Be patient!A.kids likeB.what are kids likewhat kids are like【答案】 D 【解析】【分析】句意:我知道他對一切充滿好奇,但那是小孩的樣子。That39。be like表示像,like是介詞,like沒有詞形變化。24.It that everyone to laugh. seems,lovesB.seems,loveD. It seems that...好像,似乎,that引導的主語從句,it為形式主語;love to do ... 根據(jù)句意故選A 。25.— Doctor, it seems ______ you like to work with animals.— Yes, we should________ animals as our friends.A. regardwhat。C. be regardedwhat?!堑?。It seems + that從句,其中it 是形式主語,that引導主語從句。故選A。26.t matteryou e or not. A. whetherIt。C. ifIt。根據(jù)句末or not,要用連詞whether;有句子結構可知,此處是whether引導主語從句,放在句末,用it作形式主語。 【點評】考查連詞和代詞辨析。27.The question new measures should be taken to control the terrible air pollution ispuzzles scientists a lot. A. whatwhich。C. whatthat。第一空根據(jù)主語question,可知措施并不明確,應該指“什么樣的new measures”,關系詞應用what;第二空,be動詞is后的表語從句缺少主語,應用關系詞what,故選C。注意that引導同住語從句時,在句中不做成分,也沒有詞義。when the school sports meeting endedwhen did the school sports meeting endC.D. 【點評】考查過去時態(tài)。29._______ has not been decided next. A.B.C.D.根據(jù)助動詞has可知前面是主語,what to do為名詞性從句,可做主語,故選B。30.It matters little ______ a man dies, but _____ matters much is ______ he lives. A. what。how。 howC. it。that。 that【答案】 A 【解析】【分析】句意:一個人如何死去并不重要,重要的是他如何生活。What matters much (=the thing that matters much)。故選A。