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20202021年名詞性從句綜合分類解析(1)一、名詞性從句1.is known to all is that the earth is smaller than the sun. A.AsB.WhatC.ItD.Which【答案】 B 【解析】【分析】句意:眾所周知地球比太陽(yáng)小。 is known to all 是主語(yǔ)從句,從句中缺少主語(yǔ),因此用what,選B。 【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。2._____ is known to us all is that China has launched Shenzhou VII spaceship, ____ made the country39。s first spacewalk successful. A.That。 whatB.What。 whichC.It。 whichD.As。 that【答案】 B 【解析】【分析】句意:眾所周知,中國(guó)已經(jīng)發(fā)射了神州7號(hào)宇宙飛船,這是中國(guó)首次成功的太空行走。第一空處為主語(yǔ)從句,從句缺少主語(yǔ),需用what引導(dǎo);第二空所在句子是個(gè)定語(yǔ)從句,先行詞為整個(gè)主句的內(nèi)容,從句中缺少主語(yǔ),需用which引導(dǎo)。故選B。 【點(diǎn)評(píng)】考查名詞性從句和定語(yǔ)從句,本題涉及主語(yǔ)從句和非限制性定語(yǔ)從句的應(yīng)用。3.Some people believe _______ has happened before or is happening now will repeat itself in the future. A.whateverB.wheneverC.whereverD.no matter what【答案】 A 【解析】【分析】句意:一些人認(rèn)為之前發(fā)生的或現(xiàn)在正在發(fā)生的任何事情在將來(lái)都會(huì)重復(fù)發(fā)生。Whatever has happened before or is happening now是一個(gè)主語(yǔ)從句,whatever既引導(dǎo)起這個(gè)主語(yǔ)從句,也在句中做主語(yǔ)。BC項(xiàng)都屬于副詞的性質(zhì),都不能做主語(yǔ),通常只能做狀語(yǔ);no matter what只能用來(lái)引導(dǎo)狀語(yǔ)從句,故選A。 【點(diǎn)評(píng)】考查名詞性從句,本題涉及特殊疑問(wèn)詞+ever引導(dǎo)的主語(yǔ)從句。4.Has it been announced ______? A.when are the planes to take offB.that are the planes to take offC.where are the planes to take offD.when the planes are to take off【答案】 D 【解析】【分析】句意: 飛機(jī)什么時(shí)候起飛已經(jīng)宣布了嗎?此處是when引導(dǎo)的主語(yǔ)從句,且要用陳述句語(yǔ)序,故選D?!军c(diǎn)評(píng)】考查名詞性從句,it作形式主語(yǔ),關(guān)系副詞when引導(dǎo)的從句作真正的主語(yǔ)。5.Located between the 16th and the 18th floor, ______ I call my “home” is more like a “bird39。s nest”.A.whichB.thatC.whatD.where【答案】 C 【解析】【分析】考查主語(yǔ)從句。What引導(dǎo)主語(yǔ)從句______ I call my “home”且 What在從句中充當(dāng)call的賓語(yǔ)。故選C。6.—Tell me something about your adventure in the rainforest, please.— We lost our way in the forest and ___ made matters worse was ___ night began to fall.A.what。 thatB.it。 thatC.it。 becauseD.what。 because【答案】 A 【解析】【分析】考查名詞性從句的連接詞。第一空what作主語(yǔ)從句的主語(yǔ);第二空為表語(yǔ)從句的that。7.They lost their way in the fores