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涉及what引導(dǎo)的主語從句和一般現(xiàn)在時。D. areB. being復(fù)合句的主語是一個名詞性從句,從句沒有引導(dǎo)詞和主語,表示“所……的(事)”,故用what引導(dǎo),其雙重作用,故選B。C.19._________ is known to all is that the earth is smaller than the sun. A.HowWhere分析句子結(jié)構(gòu)可知,連詞and后為一個名詞性從句,因此應(yīng)該使用what引導(dǎo),且what在從句中作主語,故選C。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。 【點評】考查主語從句。C.Which what he said做主語,主語從句中said缺賓語用what補足,故選B。D.that。 that he said第二空為表語從句,且從句中不缺少成分,故填關(guān)系詞that。D. whatB. because ...是表語從句,從句中不缺少成分,因此用引導(dǎo)詞that; ______seemed to be the most difficult exam to him. 是賓語從句,從句中缺少主語,因此用關(guān)系代詞what , 故選B。 because。 because。 that。 that。 【點評】考查名詞性從句,本題涉及 what引導(dǎo)的主語從句和that引導(dǎo)的表語從句的應(yīng)用。That。 that11._______ makes me feel worried is _______ singing stars are centered on by masses of teenagers today. A.根據(jù)語境用what引導(dǎo)主語從句,并在句中做主語?!军c評】考查名詞性從句,本題涉及what引導(dǎo)的主語從句的應(yīng)用。D.What排除A、B、D三項。D.B.此處是主語從句做主語,從句沒有引導(dǎo)詞,缺少賓語,故答案為B。C.7.________ we may find interesting is that it usually takes more to be polite. A.句意:直到下周天氣才放晴,這對我們來說是壞消息。C.6.________ the weather will not clear up until next week is bad news for us. A.D.3)用連接副詞when, where, why, how引導(dǎo)的名詞性從句(其連接副詞有含義,在句中作狀語。例如:Whether she is ing or not doesn39。故選C。D.has focused。 if 需要注意賓語從句的時態(tài)。D.B.was announced ___ surprised me most 是一個主語從句,從句中缺少主語,故填what; ____the girl passed the driver test是一個表語從句,句中不缺少成分,故填that。What。That。分析句子可知,整個句子為主系表結(jié)構(gòu),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(jié)構(gòu)以及句意完整,所以連詞代詞為that。s the sun and not the earthB.It39。That the sun and not the earth【答案】 D 【解析】【分析】句意:太陽而不是地球是我們行星系統(tǒng)的中心,這在中世紀是一個很難理解的概念。2.___ surprised me most was ____the girl passed the driver test. A. howC. why【答案】 C 【解析】【分析】句意:最讓我吃驚的是那個女孩通過了駕駛考試。3.It________that the road will be closed tomorrow for repairs. A. 【點評】考查現(xiàn)在完成時的被動語態(tài),其結(jié)構(gòu)是have/has +been +done。too much on grades. However, whetherfocused。C.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(dǎo)主語從句,所以第二空填whether。(2)用連詞 whether 引導(dǎo)的主語從句:whether有含義(是否),在句中不做