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白湾子镇学校九年级英语(上)导学案 执笔人:张萍 领导审核:付世明 王春艳 时间:2013.9.8 学生姓名: 班级:
Unit 9 When was it invented?
第2课时 Section A (3a-4)
【预习案】(教师寄语:预习感知,有备无患。)
【温馨寄语】If you don’t learn to think when you are young, you may never learn. 如果年轻时就没有学会思考,那么就永远学不会思考。
【学习目标】
1. Knowing : bulb light bulb microwave microwave oven
2. Understanding: 理解对创造和发明事物表达认识和看法的句子。
3. Habit-forming: 学会对创造和发明事物表达认识和看法。
【预习案】 【使用说明及学法指导】
预习课本70页的新单词,完成下列内容。
1.各小组成员用划分音节法拼读单词。2.熟读并写会新单词,各小组组长进行组内成员单词短语学习情况检测。
【探究案】 (教师寄语: 展示自我,合作提高)
【温馨寄语】 By reading we enrich the mind, by conversation we polish it. 读书使人充实,交谈使人精明
自主学习: Task 1: 3a Pairwork:
Make a list of five helpful inventions and five annoying invention.
Task 2 :Pairwork: Discuss your opinions in 3a with your partner
. Read the dialogue in pairs.
.Practice the dialogue in pairs.
. Make new conversations like this using the information in 3a .
Model 1:
A: What do you think is the most helpful invention?
B:I think the most helpful invention is …
A: Why is that ?
B: Well, it …
Model 2:
A: What do you think is the most annoying invention?
B: I think the most annoying invention is …
A: Why is that ?
B: Well , it …
翻译下列的句子:(独立完成)。
你认为最有用的发明是什么?________________________________________
我认为最有用的发明是电灯泡。________________________________________
它能够每天给人们更多的时间工作和玩。______________________________
Task 3: Imagine that you are alone on a tiny island. Choose five inventions you would like to have on the island with you. Tell the group what you chose and why. Model:A:I'd like to have …because I could…B: Yes, but that's not going to help you leave the island. I think it would be better to have …
Task4: 1.复习被动语态的用法。(独立完成).
2. annoying adj. 讨厌的, 恼人的(往往指事物)
annoyed adj. 生气的, 恼怒的 (往往指人) e.g. My father is with me.爸爸在生我气。
How it is! 真讨厌。
3. helpful adj. 有帮助的, 有益的 e.g. Mr. White is a very man.
☞ 构词法:n + ful → adj
如: use + ful → useful thank + ful → thankful beauty+ ful → beautiful care + ful → careful
【训练案】(教师寄语:相信自己,你是最棒的!)
(一)句型转换:
1. She was seen to come out of the library by him.(变为主动语态)
He ___________ ________ ___________ out of the library.
2. When are trees often planted? (变为主动语态)
When _________ people often ___________ ___________?
3.The League was founded in Guangzhou in 1922 ?(提问划线部分)
_________ __________ the League _______________?
4. Did the students wear the school clothes a lot?(变为被动语态)
___________ the school clothes ________________ a lot ?
5. Kate took good care of the baby yesterday evening ? (变为被动语态)
The baby ___________ __________ well by Kate yesterday evening ?
6. His aunt bought him a bicycle. (变为被动语态)
A bicycle __________ ____________ _____________ him by his aunt.
(二)汉译英:
1.计算机是何时发明的?__________________________________________________
2.谁发明了计算机?______________________________________________________
3.计算是用来做什么的?__________________________________________________
4.你认为什么是最令人讨厌的发明?________________________________________ 【课后反思】
A good begin is half done.
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