[初三英语]2012届中考英语考点备考复习课件19.ppt

第19课 九年级Units 1—3 重点词汇与短语 1. unless ◎观察思考 I won’t go unless he invited me. 我不会去，除非他邀请我。 ◎归纳拓展 unless连词，意为“除非”。 unless 多用于否定句。引导条件状语从句，常与if not 互换。 ◎即学即用1： ( )(1) ________ you have tried it on, you can’t imagine how pretty the new style skirt is.(2011烟台) A. Because B. Although C. Unless D. When ( )(2)—May I surf the Internet now? —No, ________ you have finished cleaning your room. A . if B. unless C. when D. because 2. succeed ◎观察思考 He succeed in the last exam. 他期末考试通过了。 Failure is the mother of success. 失败是成功之母。 Bill Gates is a successful business man. 比尔·盖次是一个成功的商人。 ◎归纳拓展 succeed 动词，意为“成功”。 success名词，意为“成功”。 successful形容词，意为“成功的”。 ◎即学即用2： (1)Never give up, and you will . (2)Everybody may have a chance to be if he tries his best. (3)Parents always take pride in their children’s . 3. practice ◎观察思考 They need to get more writing practice. 他们需要得到更多的写作练习。 You should join an English language club to practice speaking English. 你应该参加一个英语兴趣小组来练习讲英语。 ◎归纳拓展 practice 名词，意为“练习”。 动词，意为“练习”。后接名词或动名词作宾语。 ◎即学即用3： 她每天练4个小时钢琴。 She practice the piano for four hours every day. 4. by ◎观察思考 I learn by working with a group. 我通过小组合作学习。 We go to the island by boat. 我们乘小船去小岛。 By the time I got outside, the school bus had already left. 当我到外面时校车已经离开了。 There is an old man fishing by the lake. 有个老人在河边钓鱼。 ◎归纳拓展 by 表“用……方式或手段”，后接v-ing；表“凭借……交通工具”，后接交通工具名词；(指时间)表“不迟于；到……时为止”；又可意为“在附近”。 相关词组： by oneself 独自地；by mistake 无意地；by accident 偶然地；by the end of 到……末为止。 ◎即学即用4： (1)The old man made a living flowers. 这个老人靠种花来谋生。 (2)I have to be home 10∶00pm。 我得在晚上10点钟之前在家。