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Unit 9 When was it invented? Section A 3a-4
Learning goals:
Use the sentences “What do you think is the most helpful / annoying invention? I think the most helpful / annoying invention is ...” to talk about some inventions.
Step 1 Preview List some inventions with students. Then let student
2、s ask and answer with the following sentences in groups.
溫故知新
Step 2 Presentation
Show a picture of an alarm clock. And ask students.
What is this in the picture? What is it used for? Do you think it is helpful / annoying?
A: What’s this?
B: It is an alarm clock.
A: What is it used fo
3、r?
B: It is used for waking people up in the morning.
A: Do you think it is annoying?
B: Sometimes, when I want to go on sleep.
Show the pictures of a light bulb/a microwave oven/a vacuum cleaner/an air-conditioner/a truck/soundproof door and window. And talk about them using the sentences above
4、.
通過圖片練習很直觀，而且對以上對話進行了充分地自主合作練習。使學生的口語練習地很好。通過此方法讓學生表達對創(chuàng)造和發(fā)明事物的認識和看法。
Make a list of five helpful inventions and five annoying inventions.
此活動用目標語言為學生提供聽說練習。同時進一步讓學生表達自己對創(chuàng)造和發(fā)明事物的認識和看法。
Step 3 Group work
T: Imagine that you are alone on a tiny island．Choose five inventions you would like to h
5、ave on the island with you．Tell the group what you chose and why. Maybe you can use the following drills：
I’d like to have a…because I could…
It’s used for…
I think the most helpful invention is．．．??? ．
But that’s not going to help you leave the island．I think it would be better to leave
6、…
通過來完成一個任務(wù)．讓學生運用所學內(nèi)容，既復(fù)習第一課時所學的語言目標和鞏固了本課所學的語言目標，又開拓了學生的思維，培養(yǎng)了學生在實際生活中運用本課所學內(nèi)容，來解決現(xiàn)實生活中的實際問題的能力。
翻譯探究：
I’d like to have a radio because I could listen to music all day.我想有一個收音機，這樣我就可以整天聽音樂了。
本句中的情態(tài)動詞could用來表示邏輯上或理論上的可能性，而不是某種________將要發(fā)生或正在發(fā)生的可能性。
Anybody ________make mistake.任何人都可能犯錯誤。
The w
7、eather here_________ very cold in winter. 冬天這兒的天氣很冷。
【拓展】could也表示人或動物的內(nèi)在能力，有某種_____________而能夠做某事。
He hurt his foot and___________ soccer. 他的腳受了傷，所以他不能踢足球了。
答案： 實際上/ could/ could be/知識或者技能/ couldn’t play
自主檢測題：
一．用括號內(nèi)所給動詞的正確形式填空，每個空格所填詞數(shù)不限。
1. Sheep __________ (keep) by farmers for__________ (
8、produce) wool and mutton.
2. English __________ in most middle schools in China. (teach)
3. Usually those letters __________ in English. (write)
4. __________ the classroom___________ by you every day? (clean)
5. Knives are used by people for__________ things. (cut)
6. I hear her mother________
9、__ back from Australia for two months. (be)
7. English __________ as a first language in Germany. (not, speak)
8. The children __________ a good time in the park when I saw them. (have)
9. She spends half an hour __________ English every morning. (read)
10. How long __________ they _________ each other? (know)
參考答案：1.is kept/ producing 2.is taught 3.are written 4.Is cleaned 5.cutting 6.hsa been 7.isn’t spoken 8.were having 9. reading 10. have known
二．完成翻譯探究上Section A的練習題。
使用建議：
1. 確保學生掌握形容詞，副詞比較級最高級和被動語態(tài)時再進行本課。
2. 給學生充分的時間進行對話練習。
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九上 Unit 9 When was it invented第3課時Section A (3a-4)
