(
课件网) Unit6 When was it invented 人教新目标版 九年级上 SectionA 2d Grammar Focus-4c公开课 Learning objectives 1．掌握下列词汇：project，pleasure，zipper， daily，have a point, bell，musical，instrument， biscuit，fridge，low。 2．正确理解和使用被动语态的一般过去时结构，将主动语态与被动语态进行自由转换。理解并识别被动语态的特殊情况。 3．通过一般过去时主动语态与被动语态的对比，能总结出转换规律和结构, 并建立相关知识之间的联系。 4.了解拉链这一发明物，提升学生细心观察周边事物的兴趣，懂得小小的发明物，能给人们的生活带来极大的便利。 01 挺起装备制造业坚实脊梁 A small thing is made of metal(金属) to connect one side with the other,you can often see it on your clothes. What is it A small thing made of metal(金属) 01 Guess an invention It is used for connecting one side with the other. 02 You can often see it on your clothes. What is it 03 Lead-in zipper Let’s watch a video about zippers. Warming-up Lead-in Paul is preparing for his school project. Roy comes to help him. Read the conversations between them and find out something about the zipper. project n. 课题；项目 What is the subject for their school project 2. What kind of invention does Roy think of 3. Why does Roy think it is a great invention 4. Who and when was the zipper invented 5. When did the zipper become popular Small inventions that changed the world. The zipper. Because it is often used in our daily lives. Whitcomb Judson invented it in 1893. Around 1917. Read 2d carefully and answer. Paul: Hey Roy, the subject for my school project is “Small inventions that changed the world”. Can you help me think of an invention Roy: With pleasure! Let me think... hmm...I know! The zipper! Paul: The zipper Is it really such a great invention Roy: Think about how often it’s used in our daily lives. You can see zippers on dresses, trousers, shoes, bags.. almost everywhere! Paul: Well, you do seem to have a point… Roy: Of course! I thought about it because I saw a website last week. The pioneers of different inventions were listed there. For example, it mentioned that the zipper was invented --by Whitcomb Judson in 1893. But at that time, it wasn't used widely. Paul: Really So when did it become popular Roy: Around 1917. 想起;认为 乐意至极 考虑；认为 在我们的日常生活中 有道理 seem to do 似乎 例如+完整句子 v.提到 Expressions 助动词do+谓语动词原形(强调句) 1.———Can you help me think of an invention ———My pleasure! pleasure n. 高兴, 愉快 with pleasure 高兴地 My pleasure也可说成It’s a / my pleasure.或 A pleasure，意思是“我的荣幸；愿为你效劳；这是件愉快的事”。 take pleasure in sth.\doing sth.很高兴做=It’s a pleasure to do sth. Language points 【活学活用】1) 我会愉快地记着这次的会晤。 2）我非常高兴和你一起学习。 I will remember this meeting with pleasure. I take great pleasure in studying with you.=It’s a great pleasure to study with you. 2.Well, you do seem to have a point… 嗯，看来你说的确实有道理…… 助动词do放在动词seem前面主要用来加强 ... ...
