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l my “home”且 What在從句中充當(dāng)call的賓語。故選C。7.—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作主語從句的主語;第二空為表語從句的that。8.________ the weather will not clear up until next week is bad news for us. A.AsB.IfC.WhetherD.That【答案】 D 【解析】【分析】考查主語從句。句意:直到下周天氣才放晴,這對(duì)我們來說是壞消息。此處是that引導(dǎo)的主語從句,that無實(shí)義,只其引導(dǎo)作用,故答案為D?!军c(diǎn)評(píng)】主語從句屬于名詞性從句,在名詞性從句中,that無實(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”。做題時(shí)注意看從句是否少成分。9.________ we may find interesting is that it usually takes more to be polite. A.ThatB.WhatC.WhichD./【答案】 B 【解析】【分析】句意:我們可能會(huì)發(fā)現(xiàn)有趣的是通常需要更多的禮貌。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。【點(diǎn)評(píng)】考查名詞性從句,本題涉及what引導(dǎo)的主語從句的應(yīng)用。10.______ is our belief that improvements in health care will lead to a stronger, more prosperous economy. A.WhichB.WhatC.ItD.As【答案】 C 【解析】【分析】句意:醫(yī)療保健的進(jìn)步將促進(jìn)一個(gè)更強(qiáng)大、更繁榮的經(jīng)濟(jì),這是我們的信念。that引導(dǎo)的是主語從句,故空格處應(yīng)該用it作形式主語,代替真正的that引導(dǎo)的主語從句。故答案選C?!军c(diǎn)評(píng)】考查it的用法,以及主語從句的應(yīng)用。11.They lost their way in the forest, and ________ made matters worse was that night began to fall. A.thatB.itC.whatD.which【答案】 C 【解析】【分析】句意:他們?cè)谏掷锩月妨?,更糟糕的是天開始黑了。根據(jù)連詞and可知,本句需要一個(gè)引導(dǎo)主語從句的連接詞,該詞同時(shí)還要能在從句里充當(dāng)主語。that不能在句中作成分;it不能引導(dǎo)主語從句;which意為“哪一個(gè)”,不符合本句語境。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)的主語從句的應(yīng)用。12.________ has been proved is that animals and insects have their own languages. A.What160