1、1Unit 6 When was it invented?第 6 课时 3a Self CheckI. 知识目标类别 课时要点重点词组1. decide on 决定，判定 2. come up with 想到，想起 3. lead to 导致 4. all the sudden 突然 5. use someone elses idea 借用其他人的想法 重点句式1. This special pen was invented by Liu Jie. 这个特殊的钢笔是由刘杰发明的。2. Its hard to tell who came up with the idea first. 很难断定谁
2、先想到这个主意。3. They think the inventor used someone elses idea to create his or her inventions. 2II. 课堂环节自主学习方案【新词自查】根据句意及首字母提示完成单词。1. These people were divided into two groups according to their ages.2. Look, a few pear remain on the trees. Lets pick them.3. Its said that the potato chips were invented
3、 by mistake. 4. The hot weather made the milk sour. 5. My grandparents often goes shopping with a basket (篮子). 课堂导学方案Step 1 完成教材 3a-ab 部分的任务。1. 根据 3a 所给表格列举出的内容提示，想出些你不喜欢做的事，然后想出一些发明来帮助你，然后和同伴进行交流，写出提要。2.假设你现在是一名商人，根据 3a 写的提要以及 3b 方框中所给的句型、短语提示写出一篇描述你的新发明的文章介绍这种新产品并设法卖给你的同学们。学生完成后评出优秀的作文在班上展示。环节说明：本
4、节主要是将读、写的任务结合起来不仅锻炼了学生的写作及对语言综合运用能力，还巩固了学生对目标语言的学习、综合运用。Step 2 完成教材 self check 1-2 部分的任务。1. 用方框中所给单词的正确形式完成 1 部分的短文。设置一个 5 分钟的时间限制，然后让他们认为发明家是借用其他人的想法来创造自己的发明。31 位学生朗读短文同时核对答案；1. invent 2. nearly 3. all of a sudden 4. doubt 5. website. 6. mention2. 用被动语态改写句子。设置一个 5 分钟的时间限制，然后让 5 位学生在黑板上做，同时核对答案；1. M
5、y watch was stolen by someone.2. Five eggs was used to make this big cake.3. When was the personal computer invented?4. We were told not to run in the hallway.5. The video was taken back to the store.3.查找更多有关你最想了解的一项发明的信息，然后用下面的提示写句子。环节说明：本节主要是针对本单元的主要目标语言进行加强巩固训练，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）
