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定式,為了保護(hù)(表目的); ; 單三;。 根據(jù)句意可知許多超市停止提供免費的塑料袋的目的是保護(hù)環(huán)境,用動詞不定式表目的,To protect,故選A?!军c評】考查動詞不定式表目的,注意謂語和非謂語的區(qū)分。25.—You have discussed for more than an hour! Have you decided ________?— Not yet. We are still having a discussion.A.where shall we meetB.what you boughtC.to buy whatD.where to meet【答案】 D 【解析】【分析】句意:—你們討論了一個多小時了。你決定在哪兒見了嗎?—還沒有。我們還在討論。A. where shall we meet我們在哪兒見,賓語從句用陳述句語序。錯;B. what you bought你買的什么,決定將要發(fā)生的動作,本句用的一般過去時態(tài),表示過去,錯;C. to buy what買什么,“疑問詞+to do”的不定式短語,錯;D. where to meet在哪兒見,正確。故答案選D?!军c評】考查不定式的復(fù)合結(jié)構(gòu):疑問詞+不定式。26.Luckily, all the passengers were reported the air crash which happened last month in Bali. A.to surviveB.to have survivedC.having survivedD.to have been survived【答案】 B 【解析】【分析】句意:幸運的是,據(jù)報道所有的乘客都從上個月發(fā)生在巴厘的空難中幸存。固定搭配sb. is reported to have done結(jié)構(gòu),使用不定式的完成式,表示在報道之前有人幸存,為主動語態(tài)。故選C。 【點評】考查動詞不定式。注意區(qū)分固定搭配sb. is reported to have ,和固定搭配sb. is reported to have been ……。27.When you travel abroad, you can hardly avoid products made in China. A.to buyB.buyingC.buyD.be bought【答案】 B 【解析】【分析】句意:當(dāng)你到國外旅行時,你幾乎無法避免買到中國制造的產(chǎn)品。avoid doing sth避免做某事,所以這里用動名詞buying,故答案為B?!军c評】考查動名詞。掌握固定搭配avoid doing sth。28.—I think the classroom needs _______.—Well, you are right.A.cleanB.cleaningC.to be cleaningD.cleaned【答案】 B 【解析】【分析】句意:—我認(rèn)為教室需要被打掃。 —嗯,你是對的。clean動詞,打掃;need to do需要做某事,主動含義;need doing需要被做,含有被動含義。“教室”需要“被打掃”。故選:B?!军c評】此題考查need用作實義動詞的用法。29.——Do you know the result of the ________ race?——Yes. The winner is a boy ________ Lin Feng from Class 4. A.100metres, calledB.100metre。 callingC.100metre。 calledD.100metres, calling【答案】C 【解析】【分析】 句意為:你知道100米比賽的結(jié)果嗎?知道。獲獎?wù)呤莵碜?班的叫林峰的男孩。連字符號連接數(shù)詞和名詞,相當(dāng)于形容詞,這時名詞不用復(fù)數(shù)形式。分詞短語作后置定語,ed形式表示被動意義,ing形式表示主動意義。結(jié)合語境可知應(yīng)選C?!军c評】考查形容詞的用法。30.People are supposed____________ hands when they meet for the first time in America. A.shakingB.to shakeC.shake【答案】 B 【解析】【分析】句意:在美國,人們第一次相見的時候應(yīng)握手。A. shaking現(xiàn)在分詞形式;B. to shake動詞不定式 ; C. shake動詞原形。Be supposed to do sth應(yīng)該做某事,為固定用法,故答案選B?!军c評】考查動詞不定式,牢記固定搭配。