Great Scientists教案
a. sweep off b. sweep over c. sweep up d. sweep outkeys: 1.sweeping up 2. swept upv 重點句子 （旨在提供句子結構等所需材料）1.what problems do you think people in the future will have overcome?
你認為未來的人們將克服什么問題?
[解釋] 此句為復雜疑問句，其句式結構為：疑問詞+do you think+其余部分(其余部分為陳述語序),do you think 為插入成分。能用于此句型的動詞有：think，believe，suppose，imagine，suggest，expect等。
[典例]
1)who do you think is the tallest in your class?你認為在你們班誰最高?
2)what do you believe matters when we take up the work?你認為我們從事這項工作什么東西最要緊?
3)who do you suppose will win the game?你認為誰會贏得這比賽?
[注意]
1)如果此句型的動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.我想這樣做是不對的。
2)該句型變反意疑問句，主句主語是第一人稱且是現在時態時，反問部分與從句一致，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] 漢譯英
1)你覺得我們什么時候見面好?__________________________________________________________________________________________
2)我想他們馬上就到.__________________________________________________________________________________________
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, …這與你在飛行過程中的時差反應是相類似的。[解釋] when flying是when you are flying的省略形式。在有些表時間、條件、方式或讓步的從句中，如果謂語包含有動詞be，主語又和主句的主語一致，或者主語是it，就常常可以把從句中的主語和be動詞省略。
[典例]
1) when asked where’s the toilet, the waitress showed the way politely to the guest.當被問及廁所在哪時，服務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，小孩才允許看卡通片。
3) if necessary, you can call help from the police.有必要時，你可以求助警察局。
[練習] 漢譯英
1) 即使被打致死，他依然保守秘密。__________________________________________________________________________________________
2）可能的話，到機場來接我。__________________________________________________________________________________________
3）過馬路時，孩子們被要求停下觀望再手牽手通過。__________________________________________________________________________________________
keys: 1) though beaten to death, he still kept the secret. 2) if possible, please come to meet me at the airport. 3) when crossing the road, the children are required to stop to look around and walk hand in hand.