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B 【解析】【分析】句意:土豆被引進歐洲具體的事件不被確定,但是可能是在1565年左右。C.【點評】考查主語從句的引導(dǎo)詞。What【答案】 D 【解析】【分析】句意:學(xué)習(xí)英語中最重要的是有足夠的練習(xí)。WhichThatWhy本題中含有一個主語從句what made matters worse,其中的what引導(dǎo)起這個主語從句,同時在主語從句中做主語。C.10.They lost their way in the forest, and ________ made matters worse was that night began to fall. A.That【答案】 A 【解析】【分析】句意:已被證明的是動物和昆蟲有自己的語言。C.故選C。which【答案】 C 【解析】【分析】句意:他們在森林里迷路了,更糟糕的是天開始黑了。it【點評】考查it的用法,以及主語從句的應(yīng)用。D.B.根據(jù)句意可知,句子主語是一個主語從句,引導(dǎo)詞即起引導(dǎo)作用又要做從句的一個成分,所以第一空填What;第二空是that引導(dǎo)的表語從句,只起引導(dǎo)作用,故選B。2)用連接代詞引導(dǎo)的主語從句(在由連接代詞who, whose, whom, which, what, whoever, whomever, whichever, whatever引導(dǎo)的名詞性從句中,其連接代詞在句中起名詞性作用,擔(dān)當(dāng)一定成分).例如:What you need is more 。(2)用連詞 whether 引導(dǎo)的主語從句:whether有含義(是否),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(dǎo)主語從句,所以第二空填whether。C.focused。 whethertoo much on grades. However,Who【答案】 D 【解析】【分析】考查主語從句。Who thatThose whoThat who 【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。3.It________that the road will be closed tomorrow for repairs. A.s anxiety is one39。whichs sweet childhood memories. A.因此選A。What。 that20202021年 名詞性從句易錯點匯總及練習(xí)測試題1一、名詞性從句1.________ manners are very important in every country is known to all,but the trouble is that different countries have different ideas about ________ good manners are. A. thatWhat。D.about是介詞,其后是個句子故應(yīng)填連詞把這兩句話連接起來,所缺詞作are的表語,故填what。s anxiety is one39。B.that本句時一個主語從句,it作形式主語,真正的主語為that what plays a vital role in driving away one39。 【點評】考查名詞性從句,本題涉及what引導(dǎo)的主語從句。had been announced題干句子中that到句子結(jié)束是賓語從句,且從句動詞用“will+動詞原形”表示將來,由此推斷出空白處謂語動詞應(yīng)用現(xiàn)在的某種時態(tài),在所給四個選項中,只有B項正確。4._______ are playing an important part is well known to us all.A.B.C.D.5.In the past decade, our education system focused。B. if【答案】 C 【解析】【分析】考查時態(tài)和主語從句。例如:That you will win the medal seems 。注意:if不能引導(dǎo)主語從句。That, whatWhat, thatThat, thatWhat, what【答案】 B 【解析】【分析】句意:使NBA世界驚訝的是Kobe Bryant在一場比賽中得了81分。WhichIt故答案選C。B.D.排除A、B、D