Unit3  Life in future

4.sweep up打掃；橫掃
[短語(yǔ)歸納]
sweep aside放[堆]到一邊, 不予理會(huì)
sweep away掃清, 迅速消滅, 肅清, 沖走
sweep off掃清; 吹走; 大量清除
sweep out掃掉; 清除
sweep over將...一掃而光
[練習(xí)]選擇短語(yǔ)并用恰當(dāng)?shù)男问教羁铡?br>1) after the party, the house needed ____________.
2) the leaves were _________ into the air by the strong wind.
a. sweep off  b. sweep over  c. sweep up  d. sweep out
keys: 1.sweeping up 2. swept up

v 重點(diǎn)句子 （旨在提供句子結(jié)構(gòu)等所需材料）
1.what problems do you think people in the future will have overcome?
你認(rèn)為未來(lái)的人們將克服什么問(wèn)題?
[解釋] 此句為復(fù)雜疑問(wèn)句，其句式結(jié)構(gòu)為：疑問(wèn)詞+do you think+其余部分(其余部分為陳述語(yǔ)序),do you think 為插入成分。能用于此句型的動(dòng)詞有：think，believe，suppose，imagine，suggest，expect等。
[典例]
1)who do you think is the tallest in your class?你認(rèn)為在你們班誰(shuí)最高?
2)what do you believe matters when we take up the work?你認(rèn)為我們從事這項(xiàng)工作什么東西最要緊?
3)who do you suppose will win the game?你認(rèn)為誰(shuí)會(huì)贏得這比賽?
[注意]
1)如果此句型的動(dòng)詞后面的從句里有否定意義，往往要把否定前置。如：
i don't think it’s right to do so.我想這樣做是不對(duì)的。
2)該句型變反意疑問(wèn)句，主句主語(yǔ)是第一人稱(chēng)且是現(xiàn)在時(shí)態(tài)時(shí)，反問(wèn)部分與從句一致，否則與主句一致。如:
i think that he has been to beijing，hasn't he?
he thinks that their team are sure to win the game，doesn't he?
[練習(xí)] 漢譯英
1)你覺(jué)得我們什么時(shí)候見(jiàn)面好?
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2)我想他們馬上就到.
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keys: 1)when do you think is convenient for us to have a meeting?
2)i believe they will arrive shortly.

2.  this is similar to the “jet lag” you get when flying, …這與你在飛行過(guò)程中的時(shí)差反應(yīng)是相類(lèi)似的。
[解釋] when flying是when you are flying的省略形式。在有些表時(shí)間、條件、方式或讓步的從句中，如果謂語(yǔ)包含有動(dòng)詞be，主語(yǔ)又和主句的主語(yǔ)一致，或者主語(yǔ)是it，就常常可以把從句中的主語(yǔ)和be動(dòng)詞省略。
[典例]
1) when asked where’s the toilet, the waitress showed the way politely to the guest.當(dāng)被問(wèn)及廁所在哪時(shí)，服務(wù)員非常有禮貌地給客人帶路。
2) until finishing the homework, the child was allowed to watch the cartoon film.直至完成作業(yè)，小孩才允許看卡通片。
3) if necessary, you can call help from the police.有必要時(shí)，你可以求助警察局。
[練習(xí)] 漢譯英
1) 即使被打致死，他依然保守秘密。
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2）可能的話，到機(jī)場(chǎng)來(lái)接我。
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