内蒙古巴彦淖尔市乌中旗二中九年级英语上册《Unit 4 Amazing Science Topic 2 When was it invented Section A》学案（无答案） 仁爱湘教版.doc

九年级英语上册unit 4 amazing science topic 2 when was it invented section a学案（无答案）学习目标：课前预习: 一1a导学：朗读一遍对话，了解大致意思。然后补充空白：kangkang asks jane why she is_(不高兴), jane tells kang she _ _ _ _(不被允许去)play computer games because it_ _ _(对有害) her health if she_ too much time_ (花费在上)them. then kangkang _ a rocket model _ (给看) her. it_ _ _ (由制成)metal and _ _ _ (被用于) sending satellites or spaceship into space. kangkang wishes he could go into the space _ _ (某一天)and jane hopes his dream will_ _(实现). 1a语言点导学：1. because im not allowed to play computer games. 因为不允许我玩电脑游戏。allow v. 意为“允许，准许”。 常用句型结构有： 准许某人做某事 _ 允许做某事_eg: 我们的老师允许我们放学后踢足球。 _ 我们不允许在教室里吃东西。 _2. i wish i could go into space some day. 这是个含虚拟语气的句子，表达了康康的主观臆想，不一定能实现，所以情态动词用了can的过去式could。辨析：hope, wish相同点：两者均表示“希望，想”；hope/wish to do sth. eg: 我希望能去参观颐和园。_不同点：eg: 我希望你去。_我希望我是一只小鸟。_我希望你很快好起来。_二.1b导学:观察以下词组，找出不同后填写:1.这个用英语怎么说? _ _ _ _? _ _ _ _ _?2. be made of _be made from _be made up of _ 3. be used for _be used to do _be used as _used to do sth. _be used to doing sth. _拓展：be made in + 地名/国家名 表：_ be made into + 产品名 表：_be made by + sb. 表：_三：2a导学：n when was it developed? around 1998. n 它什么时候研制的？ 大约是在1998年。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+_+_2.否定句式 ：_+_ + _+_3.一般疑问句式：_+_+_4.特殊疑问句式：_+_+_+_教学过程：1 检测1a预习导学，学习1a对话。2 练习1b对话，检测1b预习导学，。3 学习2a对话，学习一般过去时的被动语态。完成2b。课后巩固：i. choose the right answers. you can do it. 1. he _play computer games unless he finished his homework. a. was allowed to b. was not allowed to c. allow to2. we all know that paper _wood. a. is made of b. is made into c. is made from3. this kind of machine _in 2006. a. is invented b. is made c. was invented4. a(an)_is used for taking photos. a .camera b. lift c. mp3 player5 .we should spend more time _because its too important. a .to learn english b. learning english c. in english.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. (画线提问) _ _ a rocket _ _?3.the digital camera was invented in 1975. (就划线部分提问) _ _ the digital camera _ ?4. maybe he is an inventor. (改为同义句) he _ _ an inventor.5. whats this in english? (改为同义句) _ _ you _ _ in english?. fill in the blanks with the right prepositions.1. the desk is made _ wood.2. the red wine is made _ grapes.3. this delicious cake was ma