人教版九年级上册英语unit6第4课时sectionB1a 1e课件2共21张

1、Unit6 When was it invented? SectionA(1a-1e) Warming up List some kinds of food and describe their tastes. lemon sour, sweet ice cream sweet，cold tea pleasant smell bitter苦的苦的 potato chips crispy, salty 1a The words in the box describe how food can taste.Write them under the correct pictures. Some pi

2、ctures have more than one word. salty sour sweet salty salty duck eggs fruit salad potato chips 1b Write the name of a different food after each word. sweet crispy bananas cookies apples potato chips oranges cakes honey salty sour potato chips salty duck eggs grapes lemons What are needed? The potat

3、oes are cut into slices. The slices are cooked in the pan. The pepper and tomatoes are sprinkled. chef potato chips George Crum Who were potato chips invented by? When were potato chips invented? 1c Listen and circle “T” (for true) or “F” (for false). 1.Potato chips were invented by mistake. T F T F

4、 T F T F T F T F 2.They were invented 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. 1d Listen again. Complete the sentences. The History of Potato C

5、hips Do you know how potato chips were invented? Potato were invented by a cook called George Crum. chips _ They were invented in _. George Crum cut the 1853 thin potatoes really, really _and then cooked them crispy Finally he put for a long time until they were _. really salty lots of salt on them

6、so they were _ . 1e Make a conversation about the invention of potato chips. Use the information in 1c and 1d. A: Did you know potato chips were invented by mistake? B: Wow, I didnt know that. Who invented them? A: . 1. 1a的内容。的内容。 2. by mistake 无意中，错误无意中，错误地地 可数名词可数名词 make a mistake犯错犯错 动词动词(mistook

7、, mistaken) = by chance = mistake A for B把把A误认为误认为B accidentally mistake 3. custom (n.) 风俗风俗 adj. customer(n.) 顾客顾客 4. not . enough to do sth不足够不足够.做某事做某事 = too.to(太太.而不能而不能) = so . that . 如此如此.以至于以至于. 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. enough修饰修饰adj.时，放在时，放在adj.之后。之后。 enough 修饰名词时，可前可后。修饰名词时，可前可后。 adj.(作宾补作宾补) 5. make + 宾语宾语 + do sth. 使某人做某事使某人做某事 make + it + adj. + to do sth. (形式宾语）形式宾语） （真正的宾语）（真正的宾语） Mobile phones make it easier to co