1. Unit 9 When was it invented? Section B Period 1

2. crispy and salty Describe how food tastes.

3. sour

4. sweet

6. Listening (2a, 2b: P71) 1.The potato chips were invented by mistake. 2. They were invented in 1863. 3. The customer thought the potatoes weren’t thin enough. 1.The potato chips were invented by mistake. 2. They were invented in 1863. 3. The customer thought the potatoes weren’t thin enough. T T F F T T

7. 4. The customer said they weren’t salty enough. 5. George wanted to make the customer happy. 6. The customer was happy in the end. 4. The customer said they weren’t salty enough. 5. George wanted to make the customer happy. 6. The customer was happy in the end. T T F F F F

8. _____________that potato chips were invented by mistake? 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__________. _____________that potato chips were invented by mistake? 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

9. Tapescript Boy1: Hey, did you know that potato chips were invented by mistake? Boy2: Really? What do you mean? Boy1: Well, here on the bag it says that they were invented by a chef called George Crum. Boy2: When was that? Boy1: Oh, it was back in 1853. Boy2: So, why was it an accident?

10. Boy1: Well one day a customer in the restaurant where George worked sent back his plate of fried potatoes because he said they were cut too thick. Boy2: So what happened? Boy1: Well, George was in a bad mood, so he cut the potatoes really, really thin, and he cooked them for a long time until they were crispy.

11. And he sprinkled lots of salt on them so they were really salty. He thought the customer would hate them. Boy2: And? Boy1: And the customer loved them and asked for more. He told the other customers about them, and soon everyone was ordering thinly- sliced, crispy, salty potato chips.

12. Boy2: And we’re still eating them today. What a cool story! Boy1: Yeah.

13. 1.The custom said they weren’t salty enough. 这个顾客说菜不够咸。 (1) said 后是宾语从句, 省略了 that 。当 宾语从句主句用一般过去时, 从句也要 用过去的某种时态。 He asked me whom I was waiting for. 他问我在等谁。 1.The custom said they weren’t salty enough. 这个顾客说菜不够咸。 (1) said 后是宾语从句, 省略了 that 。当 宾语从句主句用一般过去时, 从句也要 用过去的某种时态。 He asked me whom I was waiting for. 他问我在等谁。 Explanation

14. 但 enough 修饰名词时, 可以放在名词 之前, 也可以放在名词之后。如 : I have enough money to buy it. ( I have money enough to buy it.) 2.The potato chips were invented by mistake. 薯片是无意中被发明的。 mistake 做名词, 意为 “ 弄错, 误解 ” 但 enough 修饰名词时, 可以放在名词 之前, 也可以放在名词之后。如 : I have enough money to buy it. ( I have money enough to buy it.) 2.The potato chips were invented by mistake. 薯片是无意中被发明的。 mistake 做名词, 意为 “ 弄错, 误解 ”

15. You have made a foolish mistake. 你犯了一个愚蠢的错误。 mistake 作动词, 意为 “ 弄错, 误解 ” She didn’t speak very clearly so I mistook what she said. 她讲的不清楚, 所以我误解了她的话。 You have made a foolish mistake. 你犯了一个愚蠢的错误。 mistake 作动词, 意为 “ 弄错, 误解 ” She didn’t speak very clearly so I mistook what she said. 她讲的不清楚, 所以我误解了她的话。

16. by mistake 意为 “ 错误地, 无意地 ” I took his backpack by mistake. 我错拿了他的书包。 He put salt in her cup of tea by mistake. 他错把盐放进她的茶里。 by mistake 意为 “ 错误地, 无意地 ” I took his backpack by mistake. 我错拿了他的书包。 He put salt in her cup of tea by mistake. 他错把盐放进她的茶里。

17. Thank you for listening!