人教版高中英语配套ppt课件：选修10 unit 5 period 2精选.ppt

【完成句子】 ①The driver (把车停住)at the traffic lights. ②The train (进站)right on time. ③The boy (站起来)and asked the teacher a question. 答案　①pulled up　②pulled in ③pulled himself up 2．in vain 徒劳，徒然；无效果的，无用的 They tried in vain to persuade her to go. 他们极力劝说她去，但枉费了一番口舌。 Day after day she waited in vain for him to telephone her. 日复一日，她徒劳地等待他的电话。 They endeavoured to make her happy but in vain. 他们尽量使她快乐，却徒劳无功。 【归纳拓展】 vain adj.(对自己的才、貌等)自视过高的，自负的；无价值的；无意义的 vain promises 空头许诺 vain pleasures 空欢喜 a vain attempt 劳而无功的努力 【翻译句子】 ①All our work was in vain. ②I sought to persuade him，but in vain. 答案　①我们的工作全都白干了。 ②我试图说服他，但无效。 3．in spite of＝despite不管，尽管 介词，后面只能跟名词(短语)或doing In spite of/Despite the threat of war，people went about their work as usual. 尽管战争一触即发，人们仍像平时一样工作。 He went out despite/in spite of bad weather. 尽管天气不好，他还是出去了。 但although/though(虽然、尽管)，even though/even if 后面必须跟句子，引导让步状语从句。 Although/Though hes nearly fifty，he can still play tennis with the best. 尽管他已年近五十，可是他网球打得不比别人差。 He will come on time even though it rains. 即使下雨，他还是会准时来的。 【句型转换】 A．He is unhappy although/though he has a lot of money. B．He is unhappy rich. 答案　in spite of being 4．at length (1)最后，终于 At length，we began to understand what she wanted. 最后，我们总算弄清楚她到底想要什么。 (2)详细地＝in detail He talked at length about his work. 他详细地谈了他的工作。 We have already discussed this matter at great length. 我们已经十分详尽地讨论了这个问题。 【归纳拓展】 in length 在长度上；……长的 keep sb at arms length＝keep a safe distance away from sb与某人疏远、保持一定距离 (at)full length 全身伸直 at arms length 以一臂之距 【温馨提示】 at length表示“最后”时，主要指经过一段长时间以后。而at last，in the end和finally指经过长时间的延误和努力之后，终于，最终。 At last were home. 我们终于到家了。 At length he went home. 最后他回家了。 【翻译句子】 ①I left that city at length. ②We will deb