3. Section B Period One

4. To learn to use passive voice to talk about how inventions were made To learn new words and phrases: salty, sour, by mistake

5. Review Words and expressions

6. Read the words and expressions loudly.

7. crispy salty sour by mistake chef sprinkle adj. 脆的；易碎的 adj. 咸的；含盐的 adj. 酸的； 酸味的 错误地 n. 厨师 v. 撒（粉末状物）； 洒（液体） Words and expressions

8. Free Talk 1. Do you like food, fruit and drink? 2. What kind of food, fruit and drink do you like best?----please write them out. 3. Can you describe the tastes of them?

9. crispy and salty Describe how food tastes. potato chips

10. sour lemon

11. sweet Ice cream

12. sweet tea

13. sour sweet crispy, salty 1a sweet crispy salty sour Fill in the blanks.

14. 1b sweet: ____________________________ crispy: ___________________________ salty: _____________________________ sour: _____________________________ banana, apple, soda, cake, honey salad, lettuce,french fries french fries, olives, pepperoni pickle, grapefruit Write the name of a different food after each word.

15. 2a listen and circle “T” or “F”. 1. The potato chips were invented by mistake. 2. They were invented in 1863. 3. The customer thought the potatoes weren’t thin enough. 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 T T T T F F F F

16. _____________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 2b listen again. Complete the sentences.

17. Role play the conversation about the invention of the potato chips. Use the information from the activities above. A: Did you know potato chips were invented by mistake? B: Wow, I didn’t know that. Who invented them? A: … 2c Pairwork

19. The potato chips were invented by mistake. 【经典习题】完成句子： 很抱歉我错拿了你的书包。 I’m sorry that I took your schoolbag ___ ______. 【要点点拨】 by mistake 意为 “ 错误地 ” ， 常置于句末。 by mistake

20. 【拓展延伸】 mistake 作名词时，还可构 成短语： make a mistake 犯错误。 mistake 还可用作动词，常用于 mistake…for… 表示 “ 把 …… 误认为 ……” 。 如： I mistook Kate for her sister when I met her yesterday.

21. 课时重点回顾 be invented by mistake, on the bag, back in 1853, one day, in the restaurant, send… back, a plate of fried potatoes, be cut too thick, in a bad mood, cut…really, really thin, ask for…, cook…a long time, sprinkle…on…, tell… about…, thinly-sliced, crispy, salty potato chips, a cool story

22. 注 : 另附 word 文档。 点击此处链接

23. 根据句意和首字母提示补全单词。 1. There were four famous inventions in a______ China. 2. These cars were p_______ by the same company. 3. Don’t t_____ stones at the birds. 4. Few pears r________ on the trees after the heavy rain. 5. I don’t like the t_____ of the meat. ncient roduced hrow emained aste

24. Write a short passage about the history of your favorite food.

25. To preview the article who invented tea To search more information about the history of tea