(
课件网) 人教新目标版 九年级(全) Section B Unit 6 When was it invented 写作课优质课 3a-Self check 1.能用“be invented in/by..., be used for…,be made of/from/by...”等句型描述发明物的历史。 2.能够在写作中运用素材收集、话题解读、问题回答、遣词造句、连句成篇、篇章结构布局、写作思维导图等写作技能和写作策略介绍一项发明。 3.鼓励学生保持对科学发明探索的兴趣。 Some fruits were bought (by him) yesterday. He bought some fruits yesterday. He rode the motorbike to his factory last night. The motorbike was ridden to his factory (by him) last night. We made the snowman this morning. The snowman was made by us this morning. Ask and answer in pairs. A: What invention is it B: … A: Who was it invented by B: ... A: When and where was it invented … ·Problem: _____ ·New invention: _____ ·What it is used for: _____ a special pen quickly taking notes in class taking notes in class Can you think about more details about this pen What is it made of What special thing does it have What does it look like How can it help you Think of something that you do not like to do. Then think of an invention that could help you. Make notes. 3a 3 4 1 2 5 who when how ...was/were invented by... ...invented ... in+ 年份 on+月,日,年 at the same time although because.... in order to..... There be... color,shape,size what why invention How to introduce an invention 3b This special pen was invented by Liu Jie. It has three colors and is used for … Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class. 假如你是一个商人,你有一项新发明。请以A special…为题介绍一下你的新发明,并将它推销给你的同学们。词数80-100。开头已给出,不计入总词数。 这是一篇事物介绍类的说明文,根据题目提示可考虑采用下面的模板。 the special pen 引出话题 介绍发明 畅想未来 ... important in our daily life. 时间:The pen was invented in ... 外形:... was long and round. 用途:write some messages ... open ... I think pens are going to ... 1. 人称: 主要用第三人称 2. 时态: 一般过去时态为主,其它时态为辅; 3. 语态:主要用被动语态 4. 常用句型: ① ... was invented by / in … ② ... is made of / from … ③ ... is used for... ④ I think … is a very useful invention. 5. 写作思路 首先,使用3b句型介绍发明的产品发明人名称; 其次:根据3a提示,使用句型介绍类型、用途及其制作材料等; 最后:介绍自己的使用感受效果等, 建议同学买一个。 注意:要恰当运用被动语态,检查时态、句子结构等是否正确。 写作指导 1. I think … is a very useful invention. 我认为……是一项很有用的发明。 2. … was invented by … ……是由…… (某人)发明的 3. … was invented in … ……是在…… (某时间)发明的 4. It is used for … 它被用来…… 5. … is made of ………是由……(材料)制成的 常用句型: Hi, boys and girls. I have a special invention. This special pen was invented by Liu Jie. It has three colors and is used for taking notes quickly in class. It was invented in 2012. It is made of plastic and steel. It can remember what the teacher said. It can a ... ...