九年級英語Unit6WhenwasitinventedSectionB(1a-1e)第5課時(shí)

1、Unit6 When was it invented?SectionB(1a-1e)The fourth periodWarming upList some kinds of food and describe their tastes.How do they taste? crispysaltyThey taste crispy.They taste salty.sour, sweetlemonsweetsourice creamsweet, coldpleasant smell bitter苦的 teabitter It tastes bitter.coffeesaltysoursweet

2、 salty1a The words in the box describe how food can taste.Write them under the correct pictures. Some pictures have more than one word.sweetsourPotato chips taste salty and crispy. They taste sour and sweet.Fruit salad tastes sour and sweet.Salty duck eggs taste salty.Language points 1.復(fù)合名詞復(fù)數(shù)的構(gòu)成pota

3、to chips是一個(gè)復(fù)合名詞，其中第一個(gè)名詞修飾第二個(gè)名詞,第一個(gè)名詞做第二個(gè)名詞的定語，這樣的例子有很多，又如: alarm clock, telephone number等。知識(shí)拓展復(fù)合名詞變復(fù)數(shù)的規(guī)則，你一定要牢記??！通常只把主體名詞變?yōu)閺?fù)數(shù)school boyschool boys(學(xué)校男生) apple treeapple trees(蘋果樹) vegetable sandwichvegetable sandwiches(蔬菜三明治) girl friendgirl friends（女朋友）如果沒有主體名詞，在最后一個(gè)名詞上用復(fù)數(shù)。good-for-nothinggood-for-

4、nothings（飯桶、無用的人）three-year-oldthree-year-olds（三歲的孩子）由man, woman和另外一個(gè)名詞構(gòu)成的復(fù)合名詞，兩個(gè)部分都要用復(fù)數(shù)。man teachermen teachers(男教師)gentleman farmergentlemen farmers （鄉(xiāng)紳）salty sour1b.Write the name of a different food after each word.sweet crispy bananasapples oranges cakeshoneyCookies biscuitspotato chips potato

5、chipssalty duck eggsgrapeslemonsWhat are needed?The potatoes are cut into slices.The slices are cooked in the pan.The pepper and tomatoes are sprinkled.Do you know how to make potato chips?1c. Listen and circle T for true or F for false.1. Potato chips were invented by mistakes. 2. They were invente

6、d in 1863.3. The customer thought the potatoes were not thin enough. 4. The customer said they were not salty enough.5. George wanted to make the customer happy.6. The customer was happy in the end.TF T F F T1d. Listen again. Complete the sentences.The History of Potato ChipsDo you know how potato c

7、hips were invented? Potato chips by a cook called George Crum. They were invented in . George Crum cut the potatoes really, really and then cooked them for a long time until they were . Finally he put lots of salt on them so they were . . were invented 1853 thin crispyreally saltyA: Did you know pot

8、ato chips were invented by mistake? B: Wow, I didnt know that. Who invented them? A: .1e.Make a conversation about the invention of potato chips. Use the information in 1c and 1d. 1. by mistake 無意中，錯(cuò)誤地 = by chance mistake可數(shù)名詞 make a mistake犯錯(cuò)動(dòng)詞(mistook, mistaken) mistake A for B把A誤認(rèn)為BLanguage points

9、3. custom (n.) 風(fēng)俗；習(xí)俗 customer(n.) 顧客；客戶4. not . enough to do sth不足夠.做某事 = too.to(太.而不能) = so . that . 如此.以至于.eg: He isnt old enough to go to school. = He is too young to go to school.=He is so young that he cant go to school.adj. enough修飾adj.時(shí)，放在adj.之后。 enough 修飾名詞時(shí)，可前可后。5. make + 賓語 +賓補(bǔ) make + it +

10、 adj. + to do sth. (形式賓語） （真正的賓語） Adj./n. do sth. 讓某人做某事 eg. Mobile phones make it easier to connect with others.6. cook (v.) 做飯; 烹飪 (n.) 廚師 = chef cooker(n.) 廚具7. in the end = finally = at last 最終,最后。8.Do you know how potato chips were invented?這是how引導(dǎo)的賓語從句，從句要用陳述語序。 9.Potato chips were invented by

11、 a cook calledGeorge Crum.called是過去分詞做定語修飾前面的名詞cook,譯為“被叫作”。Exercise 1.顧客最后終于高興了。The customer was happy .2.這個(gè)顧客說這個(gè)薯?xiàng)l不夠脆。The customer said that the potato chips werent .3.喬治想讓顧客高興。George wanted the customer .in the endcrispy enough to make happy 4.薯?xiàng)l是被一個(gè)名叫Crum的廚師發(fā)明的The potato chips _ _ a cook Crum.5. 昨天這個(gè)廚師往魚上面撒了許多鹽。The lots of salt the fish yesterday. were invented cook put oncalled用所給詞的正確形式填空。 1. The TV _ (invent) around 1927.2. They are used for _ (see) in the park.3