人教版（新课标）高中英语选修八Unit 3 Inventors and inventions 重点单词、短语和句型必背讲义学案（含答案）

选修8 Unit 3重点单词、短语和句型必背 学好英语背单词很重要，但是若只会机械地背英语单词，而不会熟练地使用单词，则想学好英语是很难的。若想熟练地使用英语，则多背每一个单元的重点单词、短语和句型的例句，则是一个行之有效的方法。若能坚持每天多背诵单词、短语以及句型的例句，学以致用，日积月累，则会收到事半功倍的效果。为此，笔者特意整理了本人讲课的每个单元的重要单词、短语和句型的经典例句，希望对广大英语学习者有很大的启发与帮助。 重点单词 distinguish vt. & vi. 显示……的差别；使……有不同；辨别 Here was a chance for me to distinguish myself by inventing something merciful that would catch snakes but not harm them. 这回我机会表现一下我自己了，我要发明某种仁慈的东西，既可以把蛇捉住，又不会伤害它们。 It is the superior intelligence and the use of language that distinguish man from the other animals. 正是高智商以及会使用语言才使得人和动物有区别。 merciful adj. 宽大的；仁慈的；慈悲的 We’d better teach all other people to be merciful. 我们最好教导其他所有人要慈悲。 I pray you to show mercy to the child. 我恳求你可怜可怜这个小孩 convenient adj. 便利的；方便的；就近的 They abruptly disappeared into a convenient hole in the wall. 它们突然就消失在附近的墙洞里去了。 I live just by the market, and it’s very convenient for me to go shopping. 我家就住在市场旁边，买东西很方便。 expectation n. 期待；预期；前程 This was in the expectation that the snakes would bite again. 这是因为我预料蛇会再咬人。 I am sure that I can perfectly live up to your expectations. 我相信我决不会辜负你们的期望。 seize vt. 抓住；捉住；夺取；攻占 I decide to seize the opportunity to get recognition for my successful idea by sending my invention to the patent office. 我决定抓住这次机会把我的发明送到专利局去，请他们对我这次成功的想法给予认证。 Seize the day because you never know what tomorrow will be like. 抓住今天因为你永远不知道明天会是什么样子。 innocent adj. 无辜的；清白的；无罪的；天真的 In a courtroom it is sometimes difficult to recognize who is innocent and who is guilty. 在法庭上，有时很难辨别谁是有罪的，谁是无罪的。 I’m convinced of the man’s innocence. 我相信这个人是无辜的。 associate vt. 联想；联系；n. 同伴；伙伴 Although he is most often associated with the invention of the telephone, he was indeed a continuing searcher after practical solutions to improve the quality of everybody’s life. 虽然他最常与发明电话联系在一起，但是他的确是一个永不停息的探索者，不断寻求改善人们生活质量的可行方法。 We naturally associate the name of Darwin with the theory of evolution. 我们自然会把达尔文的名字与进化论联系起来。 practical adj. 实际的；实践的；适用的 Here advice is practical. You’d better follow it. 她的建议是适用的，你最好听从。 He practised playing the piano in his spare time. 他在空余时间练习弹钢琴。 重点短语 call up给……打电话；（使）回忆起；召集（会议等）；（还、陆、空军）征召……入伍 When I called up my mother in the countryside on the telephone she was very upset. 我给住在乡下的母亲打电话的时候，她感到很不安。 I was called up three months after the war broke out. 战争爆发三个月后，我被 ... ...