高中英语人教版必修2 unit3.doc

重点词汇 signal 【点拨】signal (v./n./adj.) 信号，暗号。 Vt./Vi. Both sides have signaled their willingness to start negotiations. n. This will send the wrong signal to potential investors. Adj. The university has done me the signal honour of making me an Honorary Fellow. 【拓展】signal achievement/success/failure to give a signal 发信号 spoil 【点拨】spoil (n./v.) 溺爱；赃物 v. spoilt / spoiled The bad news has spoilt my day. n. The thieves divided up the spoils. common 【点拨】1.common adj. 普通的，常见的；共有的，共用的 Smith is a common name in England. 英国在Smith是个很普通的名字。 in common (with) ( 和 ……)一样 have sth. in common (with) ( 与 ……)有共同之处 They are brothers, but they have nothing in common. 他们虽是兄弟，但毫无共同之处。 【拓展】have nothing in common with 无共同之处 have little in common with 几乎无共同之处 have something in common with 有一些共同之处 have a lot common with 有许多共同之处 【辨析】common, ordinary, usual与general 它们均有“普通的，常见的”的意思。 common 侧重于“普遍；常见”，指许多事物或人共同具有而常见的性质。 They can treat most of the common diseases 他们可以治疗大部分常见的病 ordinary 侧重于表示“平常；平凡；无奇特之处” That morning he came earlier than usual, for it was not an ordinary day. 那天早上他起得比平常早，因为那天是一个不寻常的日子。 usual 指从时间和频度上讲通常发生的事情或一种习惯。 Tea is considered to be the usual drink of British people 茶被认为是英国人的日常饮料。 general 表示在大多数人或物中流行并受到关注，还有“总体的，概括的”的意思 general knowledge 一般知识 solve 【点拨】solve. v. 解决, 解答 This problem is too difficult for me to solve. 这个问题太难解决不了 He’s good at solving crossword puzzles 他善于解答纵横字谜。 With the help of his friends , he finally solved the problem. 在朋友的帮助下，他终于解决了这个问题 【拓展】solution n. 解答；解决(办法) a solution to the problem 问题的解决方法 anyhow 【点拨】anyhow = anyway不管怎样. Anyway I must finish the work today. 不管怎样我必须今天完成这项工作Type 【点拨】type. n. 类型 This is a new type of machine, with lots of meters on it. 这是一种新型的机器, 上面有许多仪表。 2) v. 打字 你帮我打一下这封信好吗? Will you please type this letter for me? 【拓展】type:表示各项事物在本类中都是典型的。 kind:特指在分类中能放在一起的性质相同 且相似的一类事物。follow 【点拨】follow. v.跟随；沿着；听懂；遵循；听从 follow one’s instructions 执行(某人的)指令 Follow this road, and youll get there. 沿着这条路走，你就会到那儿。 【拓展】 follow the cus