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0。C.whatD.which【答案】 C 【解析】【分析】句意:他們?cè)谏掷锩月妨?,更糟糕的是天開(kāi)始黑了。根據(jù)連詞and可知,本句需要一個(gè)引導(dǎo)主語(yǔ)從句的連接詞,該詞同時(shí)還要能在從句里充當(dāng)主語(yǔ)。that不能在句中作成分;it不能引導(dǎo)主語(yǔ)從句;which意為“哪一個(gè)”,不符合本句語(yǔ)境。排除A、B、D三項(xiàng)。故選C?!军c(diǎn)評(píng)】考查名詞性從句,本題涉及what引導(dǎo)的主語(yǔ)從句的應(yīng)用。13.________ has been proved is that animals and insects have their own languages. A.WhatB.AsC.ItD.That【答案】 A 【解析】【分析】句意:已被證明的是動(dòng)物和昆蟲(chóng)有自己的語(yǔ)言。根據(jù)is判斷,此處為主語(yǔ)從句,分析該從句,缺少主語(yǔ),用what。選A。【點(diǎn)評(píng)】考查名詞性從句,本題涉及what引導(dǎo)的主語(yǔ)從句的應(yīng)用。14.While some behaviors may seem strange to you, remember you consider normal probably seems just as unusual to others. A.it。 thatB.what。 thatC.that。 whatD.which。 that【答案】 C 【解析】【分析】句意:雖然有些行為對(duì)你來(lái)說(shuō)可能很奇怪,但請(qǐng)記住,你認(rèn)為正常的行為對(duì)別人來(lái)說(shuō)可能也不尋常。第一空為賓語(yǔ)從句,從句結(jié)構(gòu)完整用that起連接作用,第二空為主語(yǔ)從句,從句中consider缺少賓語(yǔ),應(yīng)該用what,故選C。 【點(diǎn)評(píng)】考查名詞性從句,本題涉及that引導(dǎo)的賓語(yǔ)從句和what引導(dǎo)的主語(yǔ)從句。15.Exactly _________ the potato was introduced into Europe is uncertain, but it was probably around 1565. A.whetherB.whenC.whyD.how【答案】 B 【解析】【分析】句意:土豆被引進(jìn)歐洲具體的事件不被確定,但是可能是在1565年左右。根據(jù)時(shí)間狀語(yǔ)round 1565得知這里是指時(shí)間不確定。故選B。 【點(diǎn)評(píng)】考查名詞性從句,本題涉及when引導(dǎo)的主語(yǔ)從句。 16._______ has not been decided next. A.How to doB.What to do nextC.To do whatD.To do how【答案】 B 【解析】【分析】句意:接下來(lái)做什么還沒(méi)有決定。根據(jù)助動(dòng)詞has可知前面是主語(yǔ),what to do為名詞性從句,可做主語(yǔ),故選B。 【點(diǎn)評(píng)】考查名詞性從句,識(shí)記名詞性從句做主語(yǔ)的用法。17.______excited Jenny most was ______ she finally succeeded in ______seemed to be the most difficult exam to him. A.That。 that。 whichB.What。 that。 whatC.That。 because。 thatD.What。 because。 which【答案】 B 【解析】【分析】句意:珍妮最興奮的是對(duì)他來(lái)說(shuō)似乎是最困難的考試,她終于成功了。 ______excited Jenny most是主語(yǔ)從句,從句中缺少主語(yǔ),因此用關(guān)系代詞what ; _____ she finally succeeded in ...是表語(yǔ)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(yǔ)從句,從句中缺少主語(yǔ),因此用關(guān)系代詞what , 故選B。 【點(diǎn)評(píng)】考查名詞性從句,本題涉及主語(yǔ)從句,表語(yǔ)從句和賓語(yǔ)從句。18.______ makes the school proud is ______ more than 90% of the students have been admitted to universities. A.what。 becauseB.that。 becauseC.that。 whatD.what。 that