Unit6 Section A (Grammar Focus—4c).doc

Unit6 When was it invented? Section A (Grammar Focus—4c) 主备人： 蒋红英 备课组长（审核人）： 年级教学主任： 学习 目标 知识和技能：掌握本课时重点单词，短语，句型，学会应用一般过去时的被动语态。 过程和方法：通过多媒体教学，让学生通过独立学习，合作交流，互相帮助等学习方法来获取知识，培养学生的自学能力。 情感态度价值观：让学生学会观察同一个事物或人的变化，让学生更加关注自身的发展. 重点 难点 教学重点: 学习被动语态。 教学难点： 能掌握被动语态的一般过去时态结构。 课时 安排 （ 1 ）课时 二次备课 一、课前感知（Dialogue） T: When was the car invented? S1: It was invented in 1885. T: When were electric slippers invented? S2: They were invented last year. T: Who were they invented by? S3: They were invented by Julie Thompson. T: What were they used for? S4: They were used for seeing in the dark. 二、自主答疑 1、拼读、记忆单词 2、【新词自查】根据汉语提示完成单词。 （1）The boy lost his parents during the last year’s _____________ (地震). （2） The students were asked to _____________ (翻译) the story into English. （3） The police found the lost boy under the destroyed house through an _____________ (仪器)。 （4） I only have some _____________ (饼干) and a glass of milk every morning. （5） If you can’t eat all these fruit , you may put some into your _____________ (冰箱). 3、阅读一般过去时态的被动语态句子，感悟其结构、用法、句型变化。 (1) ---When was the zipper invented? ---It was invented in 1893. --拉链是什么时候发明的？ --它是在1893年被发明的。 (2) ---Who was it invented by? ---It was invented by Whitcomb Judson.- 它是由谁发明的？ --它是被惠特科姆.贾德森发明的。 (3). The fridge was sold at a low price. 这个冰箱被以低价卖掉了。 (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。 三、合作探究，精讲点拨 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.给出5分钟的时限，并请另4位同学在黑板上改写，全班集体核对答案。 2.用所给单词的正确形式完成4b句子。给出5分钟的时限，并请另个5位同学朗读句子，全班集体核对答案。 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。给出5分钟的时限，并请1位同学朗读短文，全班集体核对答案。 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。有错误的话及时解决纠正。 用所给词的适当形式填空。 1. This instrument is used for _________ (play) music in class. 2. How many magazines were _________ (borrow) from the library today? 3. Edison was a great inventor. He had over 1.000 _________ (invent)in his life.. 4. A picture was ________