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。when are the planes to take offB.where are the planes to take offwhen 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。9.________ 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(duì)我們來(lái)說(shuō)是壞消息?!军c(diǎn)評(píng)】主語(yǔ)從句屬于名詞性從句,在名詞性從句中,that無(wú)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”。10.______ 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(yǔ)從句,故空格處應(yīng)該用it作形式主語(yǔ),代替真正的that引導(dǎo)的主語(yǔ)從句?!军c(diǎn)評(píng)】考查it的用法,以及主語(yǔ)從句的應(yīng)用。thatitwhatwhich【答案】 C 【解析】【分析】句意:他們?cè)谏掷锩月妨耍愀獾氖翘扉_(kāi)始黑了。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。故選C。12.He took a trip to Beijing last week and ________ he saw at the Forbidden City impressed him deeply. A.B.C.D.分析句子結(jié)構(gòu)可知,連詞and后為一個(gè)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(yǔ),故選C。13.—What impresses you most when you visit the Acropolis ? — ________ it is that has brought the grand palace into today39。WhereWhatHowWhen【答案】 B 【解析】【分析】句意:——當(dāng)你參觀雅典衛(wèi)城時(shí),你印象最深的是什么?——使我印象最深的是什么將從前宏偉的宮殿變成了今天慘不忍睹的樣子。14.It was disappointed me. A. whatwhat。C. whichwhich。這是一個(gè)強(qiáng)調(diào)句型,it is/was that...是固定搭配,what he said是被強(qiáng)調(diào)部分, 你可以發(fā)現(xiàn)去掉it was that后, 句子仍然完整。 【點(diǎn)評(píng)】考查主語(yǔ)從句的強(qiáng)調(diào)形式。WhatB.ThatD.______ will be in charge of the meeting是一個(gè)主語(yǔ)從句,從句中缺少主語(yǔ),指人,故選D。16.I found _______ convenient to shop on line at home. A.sthatitthat was【答案】 C 【解析】【分析】句意:我發(fā)現(xiàn)在家網(wǎng)購(gòu)和方便。 【點(diǎn)評(píng)】考查it做形式賓語(yǔ),熟練掌握固定句式:主+find+it+adj+to do。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(méi)有別人幫助的情況下做到這一點(diǎn)的。故選B. 【點(diǎn)評(píng)】考查名詞性從句,本題涉及what引導(dǎo)的主語(yǔ)從句和how引導(dǎo)的表語(yǔ)從句。WhichB.ThatD.連接詞引導(dǎo)一個(gè)主語(yǔ)從句,并在主語(yǔ)從句中做句子的主語(yǔ),故選D。19.It is clever ______ you ______ out the problem. A. to workB. workingC. workingD. to work【答案】D 【解析】【分析】it可指代下文內(nèi)容做形式主語(yǔ),其主要有兩種形式:It39。It39。句意:能算出這道難題,你真是太聰明了?!军c(diǎn)評(píng)】it是人稱代詞,在句子中可以做形式主語(yǔ),形式賓語(yǔ),這是經(jīng)??疾斓膬?nèi)容,平時(shí)應(yīng)注意總結(jié),加強(qiáng)練習(xí).