九年级仁爱英语Unit4 Topic2.doc

九年级Unit4Topic 2 When was it invented?
Section A
The main activities are 1a and 2a. 本课重点活动是1a和2a。
Ⅰ. Teaching aims and demands 教学目标
1. Learn some new words:
metal, toothbrush, ink, recorder
2. Learn some useful sentences:
—What’s it made of/from?
—It’s made of/from…
—What’s it used for?
—It’s used for …
3. Learn the simple past passive voice:
(1)—When was it developed?
—Around 1998.
(2)—Where was it developed?
—It was developed in Korea.
4. Learn how to express hopes and wishes:
(1) I wish I could go into space some day.
(2) I hope your dream e true.
5. Talk about new technologies and inventions.
Ⅱ. Teaching aids 教具
火箭模型/牙刷/墨水/纸/录音机/小黑板/MP3/各种发明的图片/魔盒
Ⅲ. Five-finger Teaching Plan 五指教学方案
Step 1 Review 第一步复****时间:6分钟)
师生对话,让学生尽量用被动语态叙述计算机的作用,引出生词rocket并导入新课。
T: Boys and girls, we’ve learned about the importance puters. Can you tell me something about them in passive voice?
S1: Computers are used by doctors to find diseases easily.
S2: Robots are controlled puters to do dangerous work.
S3: In business, computers are used to place and cancel orders.
S4: Spaceships are mainly controlled puters.
T: Well done! But do you know how the spaceships are sent up from the ground into space?
S4: They are sent up by rockets. (帮助学生回答。)
(出示火箭模型的图片,板书并帮助学生理解rocket。)
rocket
T: Look! This is a model rocket. What’s it made of? What’s it used for? Let’e to 1a and ta