九年級英語全冊 Unit 6 When was it invented（第1課時）Section A（1a-2d）教案 （新版）人教新目標(biāo)版

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1、Unit 6 When was it invented?第一課時 Section A（1a 2d）第二課時 I. I. 知識目標(biāo)類別課時要點重點單詞1.project n. 項目，工程；2. pleasure n. 高興，愉快； 3. daily adj. 日常的，每日的； 4. mention v. 提到，說到；重點詞組1. shoes with special heels特殊后跟的鞋子 2. hot ice cream scoop 熱的冰其淋勺子 3. run on electricity 電動的 4. be used for被用作5. the subject for my school

2、project學(xué)校項目的課題 6. our daily lives我們的日常生活 7. have a point有點道理 重點句式1. I think the TV was invented before the car. 我認為電視是在轎車之前發(fā)明的。2. -When was the telephone invented? -I think it was invented in 1876.- 電話是什么時候發(fā)明的？ -我認為電話是在1876年被發(fā)明的。3. -What are they used for? -They are used for changing the style of th

3、e shoes.-他們可用來做什么？ -他們可用來改變鞋子的樣式。4. The zipper was invented by Whitcomb Judson in 1893. but at that time, it wasnt used widely.拉鏈?zhǔn)怯蒞hitcomb Judson 在1893 年發(fā)明的，在那時它并沒有得到廣泛應(yīng)用。II. 課堂環(huán)節(jié)自主學(xué)習(xí)方案【自學(xué)自查】一、根據(jù)漢語提示完成單詞。根據(jù)漢語提示完成單詞。1. I like the color of this coat but I dont like its style (款式).2. Its my great plea

4、sure (高興) to have a talk with you.3. The little inventions have helped me a lot in my daily (日常的)life.4. Julia introduced a good website (網(wǎng)站)to me to learn English.5. My mother always lists（列清單）all things that she wants to buy before shopping.課堂導(dǎo)學(xué)方案Step 1 情景導(dǎo)入（參考案例）Teacher: There are many useful thi

5、ngs in the world. They help us a lot in life. (Show some pictures on the screen)When were they invented?Students: _. The telephone was invented in 1876. The computer was invented in . 環(huán)節(jié)說明：通過課前的一個師生問答互動引入新課的話題; 通過圖片的展示和語言的描述創(chuàng)設(shè)了情境，激發(fā)了學(xué)生的學(xué)習(xí)興趣和表達欲望。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

6、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。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）4. 要求學(xué)生聽第二遍錄音，并逐句進行跟讀。（2分鐘）5. 完成教材1c的任務(wù)，要求學(xué)生模仿1a內(nèi)容，進行對話練習(xí)。并邀請2-3對同學(xué)當(dāng)堂進行演示。（3分鐘）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)。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

7、詞的正確形式填空：1) When was the telephone invented (invent)?2) The computer can help us do math problems (help).3) In those day, the woman couldnt afford (afford)a TV because they were really expensive.4) A friend of mine (I) came to see me last week.5) I think you need to take (take) a history class.環(huán)節(jié)說明：

8、通過學(xué)習(xí)1a，使學(xué)生對幾種重要的發(fā)明有所了解，并拓寬了思路；通過1b，鍛煉學(xué)生的聽力及抓取關(guān)鍵信息的能力；通過1c的訓(xùn)練鍛煉學(xué)生的口頭表達能力，同時鞏固對本課內(nèi)容的認識。Step 3 完成教材2a-2c的任務(wù)【操作案例】1. 要求學(xué)生翻開課本P42。播放錄音一遍，完成2a，2b的聽力任務(wù)，然后個別檢查，統(tǒng)一核對答案。（2分鐘）2. 要求學(xué)生聽第二遍錄音，并逐句進行跟讀。（2分鐘）3. 聽力內(nèi)容鞏固訓(xùn)練。要求學(xué)生根據(jù)所聽到的內(nèi)容完成下列各句。完成后要求若干學(xué)生給出自己的答案。以鞏固對聽力內(nèi)容的了解。（4分鐘） The battery-operated slippers are used for

9、seeing in the dark. They were invented by Julie Thompson. This heated ice cream scoop is used for scooping out really cold ice cream. The shoes with adjustable heels are used for cleaning the style of your shoes.4. 大聲朗讀聽力材料。（1分鐘）5. 放下聽力材料，要求學(xué)生模仿聽力內(nèi)容，利用2a，2b的信息分角色練習(xí)對話練習(xí)。然后邀請2-3對同學(xué)當(dāng)堂演示?？茨囊粚Φ谋憩F(xiàn)最佳。（5分鐘）

10、6. 播放2d的對話錄音，讓學(xué)生跟讀，模仿并理解大意。然后讓學(xué)生分角色朗讀并表演2d的對話。（5分鐘）7對話內(nèi)容鞏固訓(xùn)練。要求學(xué)生根據(jù)2d對話的內(nèi)容完成下各句。完成后要求若干學(xué)生給出自己的答案。以鞏固對對話內(nèi)容的了解。（4分鐘）Last week, Roy saw a website, it says the zipper is one of the it greatest small inventions that changed the world. It mentioned that the zipper was invented by Whitcomb Judson in 1893.

11、but at that time, it wasnt widely used. Paul think he do seems to have a point. The zipper is really such a great invention and its used in our daily lives very often and everywhere.環(huán)節(jié)說明：將聽、說、讀、寫的任務(wù)結(jié)合起來不僅鍛煉了學(xué)生的語言綜合運用能力，還鞏固了學(xué)生對被動語態(tài)的學(xué)習(xí)、識記和運用。當(dāng)堂評價方案（詳見當(dāng)堂訓(xùn)練部分）備課資料包a. 詞匯包： 1.invent (v.)發(fā)明；創(chuàng)造invent 指發(fā)明創(chuàng)造出

12、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。【備課例句】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。【橫向輻射】discover, find, create 1.discover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 1492.1492年哥倫布發(fā)現(xiàn)了新大陸。Recently they have discovered

13、a comet. 最近他們發(fā)現(xiàn)了一顆彗星。2.find的意思是“尋找”，強調(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。3.create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, discover，find或create的形式填空，完成句子。1.Whe

14、n _ the stream engine（蒸汽機） _?2.I 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】I.1.was, invented 2.find 3.discover 4.invented 5. created2. be used for 用來做此短語中的for是介詞

15、，表示用途，后接名詞或動詞-ing形式?！緜湔n例句】An orange is used for medicine. 桔子可以入藥。A pen is used for writing. 鋼筆用來寫字?！緳M向輻射】be used as& be used by 1.be used as 意為“被用作”，介詞as表示“作為”，其后一般接名詞，強調(diào)使用的工具及手段?！纠洹縀nglish is used as the second language in many countries. 英語在許多國家被當(dāng)作第二語言使用。This room is used as their office. 這人房間被用作

16、他們的辦公室。2.be used by 意為“被使用”，介詞by后面接動作的執(zhí)行者（賓語）?！纠洹縀nglish is used by travelers and business people all over the world. 全世界的旅行者和商人們使用英語。Tractors are used by the farmers. 農(nóng)民使用拖拉機。【課堂變式】1. 在中國英語作為外語來使用。_2.教師用粉筆。_3.毛衣是用來保暖的。_【解析】1. English is used as a foreign language in China. 2. Chalk is used by teac

17、hers. 3.A sweater is used for keeping warm.3. pleasure n. 高興，愉快； 常用于口語中；its my pleasure. With pleasure.【備課例句】Its my pleasure to help you look after your pet cat.我感到很榮幸?guī)湍阏湛茨愕膶櫸镓垺！緳M向輻射】please, pleased, pleasure, pleasant 的區(qū)別一、please1.表請求或要求的語氣。是動詞（及物動詞）。-Come in, please.請進來吧。（或Pease come in）-Sit down,

18、 please.請坐。（或Please sit down）2.表“討好，討人喜歡；喜歡”（不及物動詞）或者“使高興，使?jié)M意，使喜歡”（及物動詞）-Go where you please.你想去哪就去哪。 -What pleases you best?你最喜歡什么？ 二、pleased形容詞。表示“高興的，喜歡的，滿意的”。它指的是人主觀上感到的滿足心理-Im pleased to see you!見到你真高興！常用句型有：be pleased to do sth.高興做某事be pleased at/about/with/by 對感到滿意/高興be pleased that從句 對 感到滿意/

19、高興三、pleasant形容詞。表示“令人愉快的”“讓人感到滿意”。主語一般為物。The walk was very pleasant. 那次散步很（讓人）愉快。四、pleasure名詞 表示“滿足；樂趣；消遣、娛樂”Its a pleasure to read this book. 讀這本書真是件樂事。【課堂變式】（1）根據(jù)句意，用pleasant, pleased或pleasure填空。1.I had a _ time. 2.He will be _ to help you. 3.Reading gives me great _.4.It gives me _to see you look

20、ing happy.5.We spent a _ day in the country.【解析】1.pleasant 2.pleased 3. pleasure 4.pleasure 5. pleasant （2）I think it is impossible to make everyone_. A. please B. pleased C. pleasant D. pleasure【解析】由句意可知，要讓每個人高興是不可能的。pleased表示“高興的，喜歡的”; 故選B。b. 句式包：When was it invented? 它是何時發(fā)明的？本句用于詢問某個物品的發(fā)明時間，結(jié)構(gòu)為“W

21、hen + was+某項物品+invented？”，其中was invented是一般過去時的被動語態(tài)，其基本結(jié)構(gòu)是“was/were + 過去分詞”【備課例句】This book was bought yesterday. 這本書是昨天買的?！緳M向輻射】幾種基本時態(tài)的被動語態(tài)1.一般現(xiàn)在時：am/is/are +過去分詞Football is played all over the world. 足球運動遍及全世界。2.一般過去時：was/were + 過去分詞This book was bought yesterday. 這本書是昨天買的。3.一般將來時：will be +過去分詞The

22、class meeting will be held tomorrow. 班會將在明天開。4.現(xiàn)在進行時：am/is/are +being +過去分詞Our teaching building is being built now. 我們的教學(xué)樓正在興建中。5.過去進行時：was/were + being +過去分詞The bus wasnt being repaired by me then. 那時這輛車不是由我修的。6.現(xiàn)在完成時：have/has + been +過去分詞The work has been finished by them. 這項工作已經(jīng)被他們做完了?！菊n堂變式】1.We

23、 _not to play computer games. A. are told B. have told C. told D. tell 【解析】tell sb. not to do sth.意為“告訴某人不要做某事”，這里的主語we是tell這個動作的承受者，故應(yīng)用被動語態(tài)，應(yīng)選。2.Will you come to the dinner party?I wont come unless Jenny _.A. will be invitedB. can be invitedC. invited D. is invited【解析】在unless引導(dǎo)的條件狀語從句中，主句用一般將來時，從句應(yīng)

24、用一般現(xiàn)在時來表示將來。根據(jù)句意“如果詹妮沒有得到邀請，我就不會來?！贝_定選。3. Im sorry you cant go in now. The room _ yet. A. hasnt been cleaned B. hasnt cleaned C. isnt been cleaned D. isnt being cleaned【解析】由Im sorry you cant go in now.可知房間還沒有打掃，再加上the room是clean這個動作的承受者，應(yīng)用現(xiàn)在完成時的被動語態(tài)，故選。4.A talk on science _ in our school next Monday. A. will give B. will be givenC. has givenD. has been given【解析】主語A talk 是動詞give的承受者，應(yīng)用被動語態(tài)。再根據(jù)next Monday 確定用一般將來時，故選。9