全册培优专项训练Unit 9 When was it in invented(主题阅读 综合提升训练

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课题:Unit 9 When was it invented?
课时: 2 课型:口语课学案设计: 宋艳春
教学目标能力目标: 学会用简单对话描述发明
重点单词:bulb, microwave, taste, lemon, cookie, abacus, binoculars, century
重点短语:alarm clock, light bulb, microwave oven, all day
重点句型:
1、What do you think is the most helpful invention?
2、I think it would be better to have……
3、The abacus was invented in the sixth century by the Chinese.
学习程序
一、自主学习
Task 1把与汉语相对的英文解释序号写在题号左侧。

()1、闹钟a、the most helpful invention ()2、灯泡b、microwave oven
()3、微波炉c、the annoying invention ()4、恼人的发明d、light bulb
()5、最有用的发明e、alarm clock
Task 2.将下列句子改为被动语态
1.The Chinese invented the abacus in the sixth century.
The abacus_______________ in the sixth century by the Chinese.
2.The workers built the bridge last year.
The bridge__________________ last year.
3.红茶是中国人600多年前发明的。

Black tea _______________ in China more than 600 years ago.
4.这所学校教授英文。

English _________________ in this school.
5.这封信是用法语写的。

The letter ___________________ in French.
Task 3.Drill practice
1. What do you think of the invention of alarm clock/light bulb/…?
And how many inventions are helpful?
How many inventions are annoying?
Discuss in pairs like this:
The alarm clock is a /an ______________________invention.
The light bulb is a ______________invention.
2.Finish 3a.
二、合作探究
1.Pair work
Now make a conversation like 3b on Page 70.
A: What do you think is the most helpful invention?
B:I think the most helpful invention is the light bulb.
A: Why is that?
B: Well, it gives people more time time to work and play every day.
2.Group work
Discuss in groups like Part 4.
3.Discussion
Now let’s have a discussion in groups about when these things were invented and finish Part 2 on Page 73.
The abacus was invented in the sixth century by the Chinese.
三、精讲释疑
1.What do you think is the most helpful invention?
你认为什么是最有用的发明?
2.…it gives people more time to work and play every day.
它给人们每天更多的时间去工作和玩耍。

3.The abacus was invented in the sixth century by the Chinese.
算盘是中国人在六世纪时发明的。

四、达标检测
完成随堂1+1的练习
五、课后反思。