1、第三课时 Section A(Grammar Focus4c)知识目标类别 课时要点重点单词 1.fridge(n.)冰箱2.low（adj.）低的；矮的3.somebody(pron.仪器；工具重点词组 1.at a low price 以一个很低的价格2.take these photos 拍这些照片3.go out alone 单独外出4.translate the book into different language 把书翻译成不同种的语言5.all of a sudden 突然；猛地6.work on 从事，进行重点句式 1.When was the zipper invente
2、d?拉链是什么时候发明的？It was invented in 1893.它是在 1893 年被发明的。2.Who was it invented by?它是由谁发明的？It was invented by Whitcomb Judson.它是被惠特科姆贾德森发明的。3.The fridge was sold at a low price.这个冰箱以低价被卖掉了。4.The students were told not to eat or drink in class.学生们被告知在课堂上既不吃或喝任何东西。课堂环节自主学习方案【新词自查】根据句意及汉语提示完成句子。1.The boy los
3、t his parents during the last years earthquake (地震).2.The students were asked to translate (翻译) the story into English.3.The police found the lost boy under the destroyed house through an instrument (仪器).4.I only have some biscuits(饼干)and a glass of milk every morning.5.If you cant eat all these fru
4、it,you may put some into your fridge (冰箱).课堂导学方案Step 1 情景导入参考案例本课时的主要内容是谈论发明对我们生活的影响，有好的也有不好的。在学习本课之前教师可准备几个与本课内容相关的问题，然后邀请几位同学就提出的问题给出自己的答案或见解。(4 分钟 )Questions:1.What invention do you like best? Why?_2.What invention do you hate a lot?_3.List as many of them as you can._环节说明:通过带着问题去学习，从而达到导入新课的目的。S
5、tep 2 畅通 Grammar Focus 回顾语法重点【操作案例】要求学生分角色问答并翻译表格中的句子。说出被动语态的各种句式的变化形式。并能造出相仿的句子。SA:When was the car invented?SB:It was invented in 1885.SA:When were electric slippers invented?SB:They were invented last year.SA:Who were they invented by?SB:They were invented by Julie Thompson.SA:What were they used
6、 for?SB:They were used for seeing in the dark.简要归纳被动语态的结构及用法。 （4 分钟）Step 3 完成教材 4a-4c 的任务【操作案例】1.要求学生翻开课本 P44，参照 4a 所提供的信息和例句，用被动语态改写句子，并请 4 位同学在黑板上改写，全班集体核对答案。(5 分钟)2.用所给单词的正确形式完成 4b 句子。并请 5 位同学朗读句子，全班集体核对答案。 （5 分钟）3.先浏览 4c 的短文，确定空格处的动词是用主动形式还是被动形式，然后用动词的正确形式填空完成短文。并请 1 位同学朗读短文，全班集体核对答案。 （5 分钟）4.小结
7、训练。要求学生在规定的时间内完成一个小练习。并请若干学生给出自己的答案。有错误的话及时纠正。(2 分钟) 用括号内所给单词的适当形式填空。1）This instrument is used for playing (play) music in class.2）How many magazines were borrowed (borrow) from the library today?3）Edison was a great inventor.He had over 1.000 inventions in his life.(invent)4）A picture was put (put) on the blackboard before class.5）Plates and dishes werent washed (not wash) after supper yesterday.环节说明:将听、说、读、写的任务结合起来不仅锻炼了学生的语言综合运用能力，还巩固了学生对目标语言的学习、识记和运用。当堂评价方案(详见当堂训练部分 )
