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3. Emotional aims: (optional)
发明创造不是一蹴而就，需要有百折不挠、永不言败的精神。
4. Culture awareness: (optional)
了解英语国家的科技发明。
Ⅲ. The key points and difficult points
1. Key points:
Words and phrases: bulb, airplane, be different from, be made of, be used for, so that, not only...but also…, all over the world
Sentences: It’s said that he invented more than two thousand things during his life.
They are designed not only for workers but also for teenagers and women.
Grammar: was/were +pp
Difficult points：
It’s said that he invented more than two thousand things during his life.
Nowadays, their materials have been changed so that it feels more comfortable.
Ⅳ. Learning strategies
能够通过1b、1c的问题，确定在听的过程中应注意哪些细节。
能够利用1c的图表来描述1a的内容。
能够根据2的时间关键词来确定正确的语态。
Ⅴ. Teaching aids
电灯泡/ 汽车、飞机等图片/ 爱迪生等发明家的图片/ 录音机等。
Ⅵ. Teaching procedures
Step 1 Review
复习一般过去时被动语态的用法，导入新课。
1.（1）复习被动语态的核心结构：be done;
一般现在时态：am/is/are done
一般过去时态：was/were done
（2）通过习题来检查学生对被动语态的掌握情况。先给几分钟学生做题，然后要求学生举手回答，选出正确答案。
I. Choose the right answer. You can do it.
( )1.He ___play computer games unless he finished his homework.
A. was allowed to B. was not allowed to C. allow to
( )2.We all know that paper ___wood.