1、初中 九 年級 英語 執(zhí) 筆羅春霞審 核初三英語組課 型探究課課課 時1授課人羅春霞授課時間姓 名羅春霞教案編號No .1【課 題】Unit 6 When was it invented ?Section A 1a1c教師復(fù)備欄或?qū)W生筆記欄【學(xué)習(xí)目標(biāo)】句型：When was the car invented?弄清一般過去時態(tài)的主動語態(tài)與被動語態(tài)的差異，并通過練習(xí)和運(yùn)用加以鞏固。 【學(xué)習(xí)重點(diǎn)難點(diǎn)】句型：When was the car invented?弄清一般過去時態(tài)的主動語態(tài)與被動語態(tài)的差異，并通過練習(xí)和運(yùn)用加以鞏固?！緦W(xué)情分析】在學(xué)習(xí)中，學(xué)生了解到人類的科學(xué)發(fā)明創(chuàng)造了豐富的物質(zhì)文明，有利于

2、激發(fā)學(xué)生創(chuàng)造發(fā)明的能力和愿望。并樂于參加學(xué)習(xí)小組活動，積極合作?！窘虒W(xué)過程】【教學(xué)過程】導(dǎo)入（啟發(fā)探究 3分鐘）通過課件呈現(xiàn)中國古代的發(fā)明: gun powder/compass/paper making/printing然后問學(xué)生:What are they?Help the students to say :They are four inventions of China.Get the students to repeat.叫學(xué)生列舉一些他們知道的發(fā)明,如car,telephone,computer,TV等。Then show some inventions on the screen

3、 to the students:Telephone, calculator, car, personal computer, TV, light bulb, alarm, clock, microwave oven, electric slipper.Teacher: There are many useful things in the world. They help us a lot in life. (Show some pictures on the screen)When were they invented?Students: _. The telephone was inve

4、nted in 1876. The computer was invented in . 二、自學(xué)（自主探究 6分鐘）文化背景導(dǎo)讀How Americans showed their respect for Edison Thomas Alva Edison was awarded more patents on inventions than any other American. When he died in 1931, Americans wondered how they could best show their respect for him. One suggestion wa

5、s that the nation observe a minute or two of total blackout. All electric power would be shut off in homes, streets, and factories. Perhaps this suggestion made Americans realize fully what Edison and his inventions meant to them. Electric power was too important to the country. Shutting it off for

6、even a short time would have led to complete confusion. A blackout was out of the question. On the day of Edisons funeral, many people silently dimmed their lights. In this way they honored the man who had done more than anyone else to put a great force of electricity at his countrymens fingertips.翻

7、譯下列年代：1 nineteen seventy-one_ 2 eighteen eighty-five_3. eighteen seventy-six 6. 2023_三、交流（合作探究 10分鐘）1. 要求學(xué)生翻開課本P41，迅速閱讀1a部分的內(nèi)容。并按要求完成課本上相應(yīng)的任務(wù): Number the pictures.（1分鐘）2. 檢查答案，先要求全班一起給出答案并檢查討論。 The telephone was invented in 1876.The telephone was invented in 1876.Cars were invented in 1885.The TV wa

8、s invented around 1927.The personal computers were invented in 1976.3. 要求學(xué)生聽第一遍錄音，并完成課本上1b的聽力任務(wù): Listen and match the inventions with the years. Check their answers: 讀出序號-讀出年份-讀出完整的句子（2分鐘）PPicture d: The telephone was invented in eightenn seventy-six.Picture a: Cars were invented in eighteen eighty-

9、five.Picture c: The TV was invented around nineteen twenty-seven.Picture b: The personal computers were invented in nineteen seventy-six.4.聽第二遍，填空。Alice: Was your life very difficult when you were a kid?Grandma: Oh, not really. Why?Alice: Well, yout have modern inventions like a , right?Grandma: rse

10、 we did! How old do you think I am? The telephone was in 1876. You need to take a history class, Alice!Alice: Haha! How about ? They werent invented yet, were they?Grandma: Yes, ere. Cars were invented in 1885. My family had a car.Alice: Well, did you have a TV?Grandma: Ncouldnt one. They were expen

11、sive in those days. The TV was invented around 1927, I think.Alice: I know that you didnt have a because we learned in school that personal computers were invented in 1976.Grandma: Youre right. But I have now!5. 要求學(xué)生聽第三遍錄音，并逐句進(jìn)行跟讀。（2分鐘）6. 完成教材1c的任務(wù)，要求學(xué)生模仿1a內(nèi)容，進(jìn)行對話練習(xí)。并邀請2-3對同學(xué)當(dāng)堂進(jìn)行演示。（3分鐘）A:A: When wa

12、s the telephone invented?B: I think it was invented in 1876.A: When was the car invented?B: I think it was invented in 1885.A: When was the TV invented?B: I think it was invented around 1927.A: When was the personal computers invented?B: I think it was invented in in 1976.6. 小結(jié)訓(xùn)練。要求學(xué)生在規(guī)定的時間內(nèi)完成一個小練習(xí)。

13、并請若干學(xué)生給出自己的答案。有錯誤的話及時解決糾正。（2分鐘）用所給單詞的正確形式填空：When was the telephone invented (invent)?The computer can help us do math problems (help).In those day, the woman couldnt afford (afford)a TV because they were really expensive.A friend of mine (I) came to see me last week.I think you need to take (take) a

14、 history class.四、總結(jié)（引深探究 15分鐘） (v.)發(fā)明；創(chuàng)造invent 指發(fā)明創(chuàng)造出自然界本來不存在的東西，如工具、方法、手段、汽車、電器、合成材料等?！緜湔n例句】Bell invented the telephone. 貝爾發(fā)明了電話。Smith invented a new teaching method. 史密斯發(fā)明了一種新的教學(xué)方法?！緳M向輻射】discover, find, create 是“發(fā)現(xiàn)”的意思，是指發(fā)現(xiàn)原來就有而一直沒被發(fā)現(xiàn)，如發(fā)現(xiàn)電、煤、石油等礦藏及新星、星系或科學(xué)真理等。Columbus discovered America in 年哥倫布發(fā)現(xiàn)了

15、新大陸。Recently they have discovered a comet. 最近他們發(fā)現(xiàn)了一顆彗星。的意思是“尋找”，強(qiáng)調(diào)找的結(jié)果，并不指發(fā)現(xiàn)。Ive tried to find another copy but couldnt find one.我試圖再找一本，但沒能弄到。X k B 1 . c o m指有目的地把原材料制成新產(chǎn)品，也指創(chuàng)造出原來不存在的或與眾不同的事物。Man creates himself. 人類創(chuàng)造了自己。A novelist creates characters and a plot. 小說家塑造人物并設(shè)計情節(jié)?！菊n堂變式】根據(jù)語境提示，用invent, d

16、iscover，find或create的形式填空，完成句子。 _ the stream engine（蒸汽機(jī)） _? cant _ my bike, Im looking for it. 3. Scientists are now trying to _ if this is possible.4. Do you know who_ the plane？5. He _quite a number of wonderful characters in his play.【解析】 invented 5. created五、練評（包含“考點(diǎn)鏈接” 應(yīng)用探究 6分鐘）一）單項選擇（ ） kind of

17、 cup is used_drinking. （ ） mother and my sister kept on talking,but my father_silent all the time. （ ） think the short story_by Lu Xun. writing written written（ ） electric light lamp_? Edison.;invented ;invented ;invented by ;invented by二）閱讀短文，完成任務(wù)Google anda have worked together to create a new sma

18、rt car. It can run on the road without a driver. It drives itself. The self-driving car hasnt been on sale to the public, so we dont know how much it costs. Another thing most people want to know is whether it will be safe enough to run on the road.The self-drivingses electricity as its power, and i

19、t cant drive very quicklythe top speed would be 25 miles per hour. It is actually controlled by a computer system (系統(tǒng)) on the car. The system keeps on collecting information by some video cameras inside the car and a LIDAR sensor (激光雷達(dá)傳感器) on top of it. A computer processes the information and decid

20、es what to do. “The self-driving car has only buttons (按鈕) for go and stop, so its very easy to use,” an engineer of Google says. “And whats more, it will make car accidents less and make the world a safer place.” The self-driving car has driven hundreds of thousands of miles in California, and it h

21、as only gotten into two accidents by human mistake.According toself-driving cars will also help to reduce (減少) the number of cars in big cities. “Self-driving cars would be able to send you to the workplace and then pick up another person instead of stopping in a parking lot.”( )1. We dnow the price of the self-driv