1、Unit 9When was it invented?Section B Period 1 授課人：程文俊,crispy and salty,Describe how food tastes.,potato chips,sour,lemon,sweet,ice cream,sweet and bitter(苦）,tea,sweet,apple,bananas,cookie,lettuce,crispy,grapefruit,pineapple,sour,french fries,salted eggs,salty,Listening (2a, 2b: P71),The potato chips

2、 were invented by mistake. 2. They were invented in 1863. 3. The customer thought the potatoes werent thin enough. 4. The customer said they werent salty enough. 5. George wanted to make the customer happy. 6. The customer was happy in the end.,T,F,T,F,F,T,_that potato chips were invented by mistake

3、? Chips _ _by a chef called George Crum. They were invented in_. George Crum cooked them for a long time until they _And he sprinkled lots of salt on them so they were_.,The history of chips,Did you know,were invented,1853,were crispy,really salty,mind-map,George Crum,a customer,by mistake,sprinkled

4、 lots of salt,cooked them for a long time,Cut them up thin enough,1.The custom said they werent salty enough. 這個(gè)顧客說菜不夠咸。 (1) said 后是賓語從句, 省略了that。當(dāng) 賓語從句主句用一般過去時(shí), 從句也要 用過去的某種時(shí)態(tài)。 He asked me whom I was waiting for. 他問我在等誰。,Explanation,但enough 修飾名詞時(shí), 可以放在名詞之前, 也可以放在名詞之后。如: I have enough money to buy it

5、. ( I have money enough to buy it.) 2.The potato chips were invented by mistake. 薯片是無意中被發(fā)明的。 mistake 做名詞, 意為 “弄錯(cuò), 誤解”,You have made a foolish mistake. 你犯了一個(gè)愚蠢的錯(cuò)誤。 mistake 作動(dòng)詞, 意為 “弄錯(cuò),誤解” She didnt speak very clearly so I mistook what she said. 她講的不清楚, 所以我誤解了她的話。,by mistake 意為 “錯(cuò)誤地,無意地” I took his backpack by mistake. 我錯(cuò)拿了他的書包。 He put salt in her cup of tea by mistake. 他錯(cuò)把鹽放進(jìn)