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1、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 students ask and ans
2、wer with the following sentences in groups. 溫故知新Step 2 PresentationShow 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: Whats this?B: It is an alarm clock. A: What is it used for?B: It is used for waking people
3、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.通過圖片練習(xí)很直觀，而且對以上對話進(jìn)行了充分地自主合作練習(xí)。使學(xué)生的口語練習(xí)地很好
4、。通過此方法讓學(xué)生表達(dá)對創(chuàng)造和發(fā)明事物的認(rèn)識(shí)和看法。Make a list of five helpful inventions and five annoying inventions.此活動(dòng)用目標(biāo)語言為學(xué)生提供聽說練習(xí)。同時(shí)進(jìn)一步讓學(xué)生表達(dá)自己對創(chuàng)造和發(fā)明事物的認(rèn)識(shí)和看法。Step 3 Group workT: Imagine that you are alone on a tiny islandChoose five inventions you would like to have on the island with youTell the group what you chose
5、and why. Maybe you can use the following drills：Id like to have abecause I couldIts used forI think the most helpful invention is But thats not going to help you leave the islandI think it would be better to leave通過來完成一個(gè)任務(wù)讓學(xué)生運(yùn)用所學(xué)內(nèi)容，既復(fù)習(xí)第一課時(shí)所學(xué)的語言目標(biāo)和鞏固了本課所學(xué)的語言目標(biāo)，又開拓了學(xué)生的思維，培養(yǎng)了學(xué)生在實(shí)際生活中運(yùn)用本課所學(xué)內(nèi)容，來解決現(xiàn)實(shí)生活中的實(shí)
6、際問題的能力。翻譯探究：Id like to have a radio because I could listen to music all day.我想有一個(gè)收音機(jī)，這樣我就可以整天聽音樂了。本句中的情態(tài)動(dòng)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(cuò)誤。The weather here_ very cold in winter. 冬天這兒的天氣很冷?！就卣埂縞ould也表示人或動(dòng)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
7、他不能踢足球了。答案： 實(shí)際上/ could/ could be/知識(shí)或者技能/ couldnt play自主檢測題：一用括號(hào)內(nèi)所給動(dòng)詞的正確形式填空，每個(gè)空格所填詞數(shù)不限。1. Sheep _ (keep) by farmers for_ (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
8、 are used by people for_ things. (cut)6. I hear her mother_ 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.isnt spoken 8.were having 9. reading 10. have known二完成翻譯探究上Section A的練習(xí)題。使用建議：1. 確保學(xué)生掌握形容詞，副詞比較級(jí)最高級(jí)和被動(dòng)語態(tài)時(shí)再進(jìn)行本課。2. 給學(xué)生充分的時(shí)間進(jìn)行對話練習(xí)。5
九上 Unit 9 When was it invented第3課時(shí)Section A (3a-4)
