1、1Unit 6 When was it invented第三课时 Section A (Grammar Focus4 c)主备内容 Section A (Grammar Focus4c)教学目标【知识目标】Important words：fridge，low，somebody，translate，lock，earthquake，sudden，biscuit，cookie，instrumentImportant phrases：at a low price，take th ese photos，go out alone，translate the book into different lang
2、uages，all of a sudden，work onImportant sentences：1.When was the zipper invented？It was invented in 1893.2Who was it invented by？It was invented by Whitcomb Judson.3The fridge was sold at a low price.4The students were told not to eat or drink in class.【能力目标】进一步复习巩固学习Section A部分所学的生词和短语。【情感目标】进一步学习运用
3、一般过去时态的被动语态。教学重难点重点：复习巩固Section A部分所学的生词和短语，达到熟练运用的目标。难点：掌握主动语态变被动语态的方法，并通过不同方式的练习，来熟练运用。教法学法 小组合作学习；分组讨论归纳Step 1 自主学习【新词自查】根据句意及汉语提示完成句子。1The boy lost his parents during the last years _earthquake_(地震)2The students were asked to _translate_(翻译) the story into English.3The police found the lost boy
4、under the destroyed house through an _instrument_(仪器)4I only have some _biscuits_(饼干) and a glass of milk every morning.5If you cant eat all these fruit，you may put some into your _fridge_(冰箱)Step 2 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)Questio
5、ns：1What invention do you like best？Why?_2What invention do you hate a lot?2_3List as many of them as you can._设计意图：通过带着问题去学习，从而 达到导入新课的目的。Step 3 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。(1)SA：When was the car invented?SB：It was invented in 1885.(2)SA：Who were they in
6、vented by?SB：They were invented by Wang Xuan.(3)SA：When was the UAV(无人驾驶飞机) invented?SB：They were invented in 1914.(4)SA：What were they used 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 4 完成教材4a4c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
7、词的正确形式完成4 b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)设计意图：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。巩固提升Step 5 完成名师测控配套练习。板书设计words：fridge，low，somebody，translate，lock，earthquake，sudden，biscuit，cookie，instrumentphrases：at a low price，take these photos，go out alone，translate the book into different language，all of a sudden，work on本节课我从不同的角度带领学生畅通Grammar Focus：朗读、讨论、问答、表演对话展示、小组归纳等，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，而且巩固了学生对目标语言的学习、识记和运用。
