内蒙古乌海市第二十二中学九年级英语上册 Unit 4 Topic 1 When was it invented Section A导学案（无答案）（新版）仁爱版.doc

unit 4 topic 1 when was it invented section a课型 ： 新授课 时间 年 月 日一 、学习目标：1. 掌握: 单词和短语：lock锁, metal金属, be made of由制成（看出原材料）, be made from由制成（看不出原材料）, be made in由.哪里制造, be used for被用来做什么, be allowed to do sth.被用来做什么 come true实现梦想play computer games 玩电脑游戏 spend on 花费 show to展示给过来 send into 发送sentences:whats it made of? its made from wood. whats it used for? its used for locking the door.i wish i could go into space some day. i hope your dream will come true.grammar: was/were +pp 过去式的被动语态2. difficult points：be made of和be made from的用法辨析。 i wish i could go into space some day. its used for writing on .二、学习过程： 1.温故知新a.把下列句子变为被动语态。1.many people use computers. computers _ _ by _ _.2.the workers plant trees in the garden. trees _ _ in the garden _ the workers.b.所给单词正确形式填空。1. trees _ (water) in our school every three days. 2. the zoo _ (visit) by lots of children on weekends. 3. a journey to west _ (show) on cctv every summer.4.on christmas day, children wake up early and cant wait _ (open) the boxes of presents.5. well have a chance _ (see) the flower show this weekend. 2.新知识学习1.be made of 由某种物质做成(看得出原材料，物理过程)be made from 由某种物质制成(看不出原材料，化学过程)be made up of 由几部分组成be made in 在某地/某时制造 be made by 由某人制造 be made into 被制成2.because jane was not allowed to play computer games last night. allow v. 允许1. allow sb. to do sth. 允许某人做某事2. allow doing sth. 允许做某事 3. be allowed to do sth. 被允许做某事3.点拨：sendinto- 把送入里 拓展：send up - 发射 send for sb. - 派人去请某人 练习：a.中国将会把更多的卫星送入太空。china more satellites .b.他病了，他的妻子及时派人请来了医生。he was _, and his wife in time.c.到目前，许多国家已经发射了人造卫星。man-made satellites _ by many countries so far.3. 聚焦一般过去时的被动语态结构:助动词(was/were)+及物动词的过去分词1.肯定句式 ：主语+was /were+v.-ed2.否定句式 ：主语+was/were + not+v.-ed3.一般疑问句式： was /were+主语+vt.-ed4.特殊疑问句式：疑问词w/h+was/were+主语+v.-ede.g. an e-mail was sent to her friend by jane yesterday. an e-mail wasnt sent to her friend by jane yesterday. was an e-mail sent to her friend by jane yesterday? who was the e-mail sent to by jane yesterday?4.its used for sending satellites or spaceships into space . be used for 被用来做 be used to do 被用来做be used as 被用作 used to do sth. 过去常做be used to doing sth. 习惯于做5.some day-某一天，总有一天(将来)6.come true-变成真的,实现realize/achieve-make sth. come true当堂练习change the following sentences.1.my mother allows me to use her cellphone.(改为被动语态)i _ _ _ use my mothers cellphone.2.a rocket is used for launching satellites and spaceships. (就画线部分提问) _ _ a rocket _ _?3.the di