《九上 Unit 9 When was it invented第4課時Section B 1a-2c》由會員分享，可在線閱讀，更多相關(guān)《九上 Unit 9 When was it invented第4課時Section B 1a-2c（9頁珍藏版）》請在裝配圖網(wǎng)上搜索。
1、Unit 9 When was it invented? Section B 1a-2c Learning goals:1. Let the students talk about different kinds of food they like and why2. Listen to the tape and finish the exercise.Step 1 Preview Translate the following sentences.1. 薯條是無意中被發(fā)現(xiàn)的。2. 顧客說它們不夠咸。3. 然后他在它們上面撒了很多鹽，所以它們很咸。4. 最后顧客高興了。答案：1. Potato
2、 chips were invented by mistake.2. The customer thought the potatoes werent thin enough.3. And he sprinkled lots of salt on them so they were really salty.4. The customer was happy in the end.Step 2 Warming-upShow some pictures on the screen. Review some foods.What kind of food do you like? Please d
3、escribe how the following food tastes. A: What kind of food do you like?B: I like A: Why?B: Because its sweetAnswers of 1a: potato chips: crispy, salty lemon: sour ice cream: sweet tea: sweet1b write the names of food as many as they can.sweet: apple, orange juice, soda, cake, honeycrispy: french fr
4、ies, salad, lettucesalty: french fries, olives, pepperoni, pizza, popcornsour: pickle, grapefruit調(diào)動每個學生的積極性，盡量復習到所有學過的食物。引起學習本課的興趣。Step 2 Doing pair workRole play the conversationabout the invention of potato chips.A: Did you know potato chips were invented by mistake?B: I didnt know .Who invented t
5、hem?A: Talk about some other food. Such as hamburgers, dumplings .訓練學生的對話能力，同時又為下一步聽力練習做好鋪墊。Step3 listeningT: My class, have you ever eaten potato chips?S: Yes.T: Do you like it ?S: Yes. I like it very much.T: Do you want to know the history of potato chips? Lets listen to the tape and knowsomething
6、 about the potato chips（一）Listen and circle T(for true) or F(for false)1. Potato chips were invented by mistake. T F 2. They were invented in 1863. T F3. The customer thought the potatoes werent thin enough. T F4. The customer said they werent salty enough. T F5. George wanted to make the customer h
7、appy. T F6. The customer was happy in the end. T F（二）Listen again. Complete the sentences.The history of potato chips _ that potato chips were invented by mistake? Potato chips _by a chef called George Crum .They were invented in_. GeorgeCrum cooked them for a long time until they _.And he sprinkled
8、 lots of salt on them so they were _.Answers: Did you know/were invented/1853/wre crispy/really salty.通過聽力練習和寫作練習讓學生明白這些創(chuàng)造和發(fā)明對我們的生活的幫助和對生活質(zhì)量的提高認識。翻譯探究：1The potato chips were invented by mistake.土豆條的發(fā)明純屬歪打正著。mistake n. 錯誤，誤會，過失【拓展】(1) mistake n. 錯誤，誤會，過失 例如：It was a _buying that car. 買那輛車是個錯誤。 (2)by
9、mistake 表示“錯誤地（因粗心、遺忘等所致）”。Sorry, I took your bag_. 對不起，我錯拿了你的手提包。(3) mistake v. 誤解，弄錯 mistake . for “錯把當作”例如：I_ her sister. 我把她錯認為是她妹妹。2. The customer thought the potatoes werent thin enough. 顧客認為土豆（片）不夠薄。enough adj. 足夠的 修飾形容詞或副詞時要放在修飾詞之后；但它修飾名詞時則放在名詞之前； 例如：We didnt leave_. 我們離開得不夠早。We havent got_.
10、 我們沒有足夠的時間。3George wanted to make the customer happy. 喬治想讓那位顧客高興。make v. 使怎么樣， 其后往往帶復合賓語，常用句型如下：（1）主語+make+賓語+名詞（做賓補）。例如：The boss can_. 那個老板能使那個年輕人變?yōu)橐粋€富翁。（2）主語+make+賓語+形容詞（做賓補）。例如：The news_. 這消息使她很高興。（3）make 之后也可節(jié)省略to 的不定式做賓語的補足語，其句型為：“主語+ make+賓語+do sth”。 例如：Nothing will _my mind. 無論什么事都不能使我改變主意。4.
11、 And he sprinkled lots of salt on them so they were salty. (P71) 然后，他在上面撒很多鹽，這樣它們就咸了。(1)sprinkle 是“撒、灑”的意思，常構(gòu)成sprinkle A on/over B 或sprinkle B with A表示“_”。She sprinkled sand along the icy path._He sprinkled vinegar on his fish and chips. _(2)salt是不可數(shù)名詞，其形容詞是salty。在英語中，_，表示“充滿/包含”，其意思與原來詞匯的意思相同，只是詞性不
12、同，如cloudcloudy, hairhairy, roserosy, sleepsleepy等。答案：1. mistake/ by mistake/ mistake her for2. early enough/ enough time3. make the young man a rich man/ made her happy/ make me change4. 撒(某物)于(某物的表面)/ 她往結(jié)冰的路上撒了些沙子。/他往魚和土豆上灑了些醋。/很多名詞后加-y可以構(gòu)成形容詞自主檢測完型填空People all over the world eat rice. 1 people, in
13、 Asia, Africa and South America 2 it every day of their lives. Some people almost do not eat 3 except rice. Rice is a kind of 4 . There are more than 7000 kinds of rice. Most kinds are water plants. Farmers 5 rice in many countries even in the southern part of Russia and in eastern Australia. No one
14、 really knows where rice 6 . Someone in China wrote about it almost 5000 years ago. Some scientists think that rice 7 in West Africa, 8 think it 9 from India and then 10 to other parts of the world.( ) 1. A. Thousand of B. Hundreds of C. Millions of D.A million of( ) 2. A. eat B. eats C. eaten D. is
15、 eaten( ) 3. A. everything B. something C. anything D. nothing( ) 4. A. grass B. fruit C. flower D. vegetable( ) 5. A. make B. run C. keepD. grow( ) 6. A. came from B. came to C. went from D. went to( ) 7. A. grew B. grow C. is grown D. was grown( ) 8. A. another B. other C. the other D. others( ) 9
16、. A. came B. come C. was come D. was coming( )10. A. was planted B. was taken C. was kept D. was grown閱讀短文，從方框中選擇適當?shù)木渥犹钤跈M線上，使短文連貫完整。 We all love new inventions. 1_. But have all these inventions really improved the quality of our lives? Picture this: Youre rushing to finish your homework on the comp
17、uter. Your mobile phone rings and a QQ message from your friend appears on the screen. 2_. Now you have to stay up all night to get it done. How happy do you feel? Inventions have speeded up our lives so much that they often leave us feeling stressed and tired. Why do you think people who live far a
18、way from noisy cities, with no telephone, no car, not even any electricity often seem to be happier? 3_. One family in the UK went “back in time” to see what life was like without all the inventions we have today. The grandparents, with their daughter, and grandsons Benjamin, 10and Thomas, 7. spent
19、nine weeks in a house of the 1940s. 4_. The grandmother, Lyn, said, “5_”. The boys said they fought less. Probably, they said, because there was less to fight over. Benjamin also noticed that his grandmother had changed from being a “trendy, beer-drinking granny to one who cooked things”.A. They had
20、 no washing machine, microwave, computer or mobile phone. B. Suddenly the computer goes blank and you lose all your work. C. Perhaps because they live simpler lives. D. The more things you have, the more difficult life becomes. E. They are exciting, amazing and can even change our lives.答案; CACAD/ADDAB/EBCAD亮點：利于圖片很直觀。通過熟悉我們周圍經(jīng)常使用發(fā)明物的歷史來開闊眼界，豐富自己的閱歷，使自己養(yǎng)成勤于思考，善于總結(jié)的好習慣。使用建議：讓學生分組討論學習效果會更好。9
九上 Unit 9 When was it invented第4課時Section B 1a-2c
