人教版九年級英語Unit 6 When was it invented Section A1a1c導學案（公開課示范課優(yōu)質(zhì)課精品、好用、完美）

1、Unit6 When was it invented?Period 4 Section B （la-le）【課前任務】一、核心單詞1.salty adj. 2.sour adj. 3.cripy adj. 4.customer n.二、?？级陶Zl.by 錯誤地 2.enough足夠薄 3.in the 最后4.the customer happy 使顧客開心5.for a time 很長一段時間三、典型句子.薯片是無意中被創(chuàng)造的。Potato chips.薯片是一個名叫喬治克拉姆的廚師創(chuàng)造的。Potato chips a chef George Crum.顧客認為土豆不夠薄。The custo

2、mer thought the potatoes were not.【課中任務】一、持續(xù)默讀（SSR）詞數(shù)：218建議閱讀時間：（Tlm,S4m）Hand washing: how does soap work?As people around the world work to slow the spread of COVID-19, everyone is telling us to wash our hands with soap. But is soap really necessary? Does soap work? How does it work? Cant you just

3、use water? Does water clean your hands? Not well enough. Viruses stick to the natural oil （a type of fat） on your skin. Water without soap isnt very successful in getting the viruses off your skin because water and oil dont mix. What is soap? Soap is made with some kind of fat or oil, water and some

4、 kind of alkaline substance （堿性物質(zhì)），such as a type of salt. It sometimes also has other things in it, such as perfumes （香料）or colors. How does soap work? The molecules （分子）of soap have one end that loves water and one end that loves oil. If you wash your hands with soap, the soap molecules act as a l

5、ink between the water youre washing with and the oil on your skin. A molecule of water joins to one end of the soap molecule and a molecule of oil joins to the other end. When you wash your hands, the whole lot washes off, lifting the oil off your skin and taking the viruses with it.1.Underline the

6、useful sentences.2.Say something about the passage.二、課中導學SteplWarming up(la) (T2m,S2m).Greeting and ask:How does tea taste?How will the bread and snack taste?Can you think of any other flavor?.Show some pictures and ask:How do they taste?How many words that can describe the tastes of food do you kno

7、w?.Ask students to look at la on page45.Write the words under the correct pictures.Check their answers one by one.Step2 Practice (lb) (T2m,S3m).Ask students to look at the words in lb.Ask some students to read their answers to the class.The answers should be apple,candy, potato chips, lemon, etc.Ste

8、p3 listening(lc) (T2m,S3m)1.Before listening, ask students:Can you tell me what they are?Do you like them?Do you want to know more about them?.Explain thin enough, salty enough, in the end=at last, make sb. do sth.Play the recording.Check the answers.Listen again and finish the conversation on WB pa

9、ge45.Step4 listening(ld) (T3m,S4m).Listen to the conversation again.Try to finish the sentences in Id. Ask some students to read their sentences in front of the class.Encourage some students to recite in front of the class.Step5 Pair-work (le) (T2m,S4m)Get the students to make a conversation about t

10、he invention of potato chips. Use the information in 1c and Id. e. g.A : Do you like potato chips ?B:Yes, I.A : Who invented them ?B: They were invented by .A: When were them invented ?B: They were invented in .A :How were they invented ?B: They were invented by .A: How did that happen?B:George Crum

11、 the potatoes really, really and then cooked them for a they were.And he lots of salt them so they were.Step6 鏈接新知(T3m,Slm)salty adj.咸的【語境領悟】The customer said they were not salty enough.顧客說它們不夠咸。You put too much salt in the soup and its too salty.你在湯里放的鹽太多,它太咸了?！咀灾鳉w納】salty的用法salty為形容詞，意為“咸的,含鹽的”,是由“

12、名詞salt+-尸構(gòu)成的形容詞?！練w納拓展】“名詞+-y”構(gòu)成的形容詞在英語中，很多名詞后加-y可以構(gòu)成形容詞。例如：cloudcloudy, wind一windy, rain-rainy, sleep-sleepy 等?！緦W以致用】一Is the dish(salt)enough?Yes, it is.一Whats the weather like in Shanghai today?一Tfs(wind).by mistake錯誤地;無意中【語境領悟】Potato chips were invented by mistake.薯片是無意中被創(chuàng)造的。Sally deleted an impor

13、tant file by mistake just now.薩莉剛才誤刪了 一份重要的文件?！咀灾鳉w納】by mistake的用法by mistake意為“錯誤地;無意中”,是介詞短語,常在句中作狀語?！練w納拓展】由mistake構(gòu)成的其他短語(l)make a mistake/make mistakes意為“犯錯；出錯”，是動詞短語，表示“在某方面 犯錯”用介詞in。I often make mistakes in grammar.我常在語法方面出錯。(2)mistake. for.把錯認成I mistook Lily for Lucy yesterday.昨天我錯把莉莉當成了露西。【學以致

14、用】我錯拿了你的鋼筆。I took your pen.別再出錯了。Dont any more.in the end 最后【語境領悟】The customer was happy in the end.顧客最后很高興。He tried many times, and finally succeeded.他實驗屢次,最后成功了。At last I obtained my wish.我的愿望終于實現(xiàn)了。In the end, Wang Ping got to the village.最后王萍到達了那個村莊。【歸納拓展】由end構(gòu)成的其他短語(l)at the end of意為“在終點；在結(jié)束時”，后

15、接表示地點或時間的名詞。Walk along the street and youll find the hospital at the end of the street.沿這條街往 前走,在街的盡頭你就會找到那家醫(yī)院。Well have an English test at the end of this week.這個周末我們要舉行一次英語測試。(2)by the end of意為“到末為止This building will be finished by the end of this year.這座樓將于今年年底竣工?！緦W以致用】他最后終于回到了家。He got back home.

16、Step7 隨堂檢測(Tl, S2m)用所給動詞的適當形式填空。. This kind of TV set(make ) in that factory . The Great wall(know) to the people all over the word.They use knives(cut )things.My clothes(wash ) once a week .Whaf s it used for? For(keep) off the rain.the books(write) in English?Yes, they are.7.1 cant decide which bo

17、ok(buy ).8. They are busy(clean)the classroom.Step8 Summary (Tim)重點詞組：l.by mistake 2.thin enough 3.salty enough 4. in the end 重點句型：.Potato chips were invented by mistake.The customer thought the potato were not thin enough.The customer said they were not salty enough.George wanted to make the custom

18、er happy.The customer was happy in the end.重點語法：passive voice:Potato chips were invented by mistake.【課后任務】一、閱讀短文，在空格處使用括號中詞語的正確形式填空。We have an old musical instrument. It(call) a clavichord (古鋼琴).It (make) in Germany in 1681. Our clavichord(keep) in the living room. It has belonged to our family for a long time. The instrument (buy) by my grandfather many years ago.Recently it(damage) by a visitor. She tried to play jazz on it! She struck the keys too hard and two of the strings were broken. My father was shocked. Now we (al