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atit。D. because【答案】 A 【解析】【分析】考查名詞性從句的連接詞。9.They lost their way in the forest, and ___ made matters worse was that night began to fall.A.B.C.D.AC兩項(xiàng)不能引導(dǎo)主語從句,which在引導(dǎo)名詞性從句的時(shí)候總是含有疑問的語義,而本句中并沒有疑問的語義。故D正確。t like him is none of my business.A.B.ThatD.you don39。11.________ the weather will not clear up until next week is bad news for us. A.B.C.D.句意:直到下周天氣才放晴,這對我們來說是壞消息?!军c(diǎn)評】主語從句屬于名詞性從句,在名詞性從句中,that無實(shí)義,只起連接作用,不做句子成分;if/whether起連接作用,不做句子成分,有實(shí)義“是否”。12.______ is our belief that improvements in health care will lead to a stronger, more prosperous economy. A.B.C.D.that引導(dǎo)的是主語從句,故空格處應(yīng)該用it作形式主語,代替真正的that引導(dǎo)的主語從句?!军c(diǎn)評】考查it的用法,以及主語從句的應(yīng)用。What。B. thatWhat。D. what【答案】 C 【解析】【分析】句意:讓我感到擔(dān)憂的是,今天的歌星是以青少年為中心的。分析選項(xiàng)可知C項(xiàng)符合題意,故選C。 is clear to the members of the mittee is that the President will not give in to their demands. A.ItC.What【答案】 D 【解析】【分析】句意:委員會(huì)成員清楚的是,總統(tǒng)不會(huì)向他們的要求讓步。 【點(diǎn)評】考查名詞性從句,本題涉及what引導(dǎo)的主語從句。what。that。that。what。第一空主語從句中缺少主語,指代事情,故用what。故選D。16.Pay no attention to those who laugh at you. What matters most is ________ you see yourself. A.B.C.D.本題考查表語從句,;……時(shí)候;;。故選C。17.________ 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(gè)句子為主系表結(jié)構(gòu),was為系動(dòng)詞,它之前的都為主語,且主語由句子來充當(dāng),句子結(jié)構(gòu)以及句意完整,所以連詞代詞為that。 【點(diǎn)評】考查名詞性從句,本題涉及that引導(dǎo)的主語從句。AsWhatItWhich【答案】 B 【解析】【分析】句意:眾所周知地球比太陽小。 is known to all 是主語從句,從句中缺少主語,因此用what,選B。19.______ will be in charge of the meeting has not been decided yet. A.WhichC.Who【答案】 D 【解析】【分析】句意:誰將負(fù)責(zé)這次會(huì)議還沒有決定。 【點(diǎn)評】考查名詞性從句,本題涉及who引導(dǎo)的主語從句。s help. A. that.B. how.C. how.D. that.【答案】 B 【解析】【分析】句意:讓人極大困惑的是他如何在沒有別人幫助的情況下做到這一點(diǎn)的。故選B. 【點(diǎn)評】考查名詞性從句,本題涉