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必修3《Listening and vocabulary》集体备课PPT课件优质课下载
1.1.1 集合的概念
1.whereas adj. 然而；可是(＝while)
He's good at English，whereas she's poor at it.
他擅长英语，而她的英语不好。
词语辨析
whereas与however
两者在词义上都表示转折，意为“然而；可是”，但用法略有差异。
1)whereas conj. used to compare or contrast two facts 然而；却；反之(引导与前句内容对立和对比的一个从句)
2)however adv. used to introduce a statement 可是；不过(仅表语义上的转折，不含有对比性和对立性，而且在句中位置较灵活，一般用标点符号单独隔离出来。)
①He is poor，whereas his brother is very rich.
＝He is poor，while his brother is very rich.
他很贫穷，而他弟弟却很富有。
②Some people like fatty food，whereas others hate it.
有人喜欢肥腻的食物，而有人则十分讨厌它。
③You haven't told us your opinion.You can，however，make it clear now.
你还没有告诉我们你的意见。但现在你可以明白地告诉我们了。
④Certainly，he apologized.However，I don't forgive him.
他的确是道歉了。然而我不会原谅他。
即学即用
语法填空
She it very dear to us we have been prepared to do ________ it takes to same her life.
答案：whatever 本题考查whatever的特殊用法。whatever在句中既作takes的宾语，又引导名词性从句作do的宾语。
2．marry
1)vt. 嫁；娶；把……嫁给……；与……结婚；主持婚礼
①He married his boss' daughter.