1、Section B: 1a-2c,Unit 9 When was it invented?,Period 3,学习目标,1、掌握以下形容词并了解其在生活中的使用sweet salty sour crispy.并认识以下生单词 chef sprinkle thin thick by mistake。2、完成听力练习，了解薯片的来历，并注意掌握以下句子(1)Potato chips were invented by mistake.(2)The customer was happy in the end .(3)George wanted to make the customer happy.(4
2、)They werent thin enough.3、通过对话练习，进一步巩固被动语态。,They taste hot.,hot,辣的,sweet,-How does it taste?-It tastes,甜的,sour,-How do they taste?-They taste,酸的,salty,-How does it taste?-They tastes,咸的,crispy,-How do they taste?-They taste,脆的,易碎的,-How they taste?-They taste,crispy and salty,sweet,crispy,salty,swee
3、t,sour,Tell what they are and how they taste.,potato chips,lemon,ice cream,tea,1a,sweet,Write the name of a different food after each word.,sweet _,Bananas / apples/ oranges /pears,crispy_,salty _,sour _,potato chips / biscuits/French fries,salt / potato chips /salted vegetables,lemons / grapes/ ora
4、nges,1b,-What kind of food do you like?,I like sweet food .=I like food that tastes sweet .,salty 咸的,含盐的sweet 甜的crispy 易碎的,脆的sour 酸的,酸味的awful 糟糕的nice 好的delicious 美味的,a chef,two chefs,thick,thin,厚的,薄的,sprinkle,撒；洒,He sprinkled too much salt by mistake（错误地）,听录音，补全对话。,A: Hey, did you know that potato c
5、hips were invented _ _?B: Really? What do you mean?A: Well, here on the bag it says that they _ _ by a chef called George Crum.B: When was that?A: Oh, it was invented in 1853.,by mistake,invented,were,B: So, Why was it an accident?A: Well, one day, a customer in the restaurant where George worked se
6、nt back his plate of fried potatoes because he said they were cut _ _.B: So, what happened ?A: Well, George was in a bad mood(情绪), so he cut the potatoes really really _, and he cooked them for a long time untill they were _.And he sprinkled lots of _ on them so they were really _.,too thick,thin,cr
7、ispy,salt,salty,Listen and circle “T” (for true) or “F” (for false).,Potato chips were invented by mistake.They were invented in 1863.The customer thought the potatoes werent thin enough.The customer said they werent salty enough.George wanted to make the customer happy.The customer was happy in the
8、 end.,T FT FT FT FT FT F,2a,The history of potato chips,that potato chips were invented by mistake? Potato 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 .,Did you know,were,1853,were
9、 crispy,really salty,Read. Complete the sentences,invented,撒（粉末状物）洒（液体）,厨师,2b,Answer the following questions,Who were potato chips invented by? When were they invented? How were they invented?,They were invented by George Crum.,They were invented in 1853.,They were invented by mistake.,B:,B:,B:,A:,A
10、:,A:,达标练习,选词填空。Fill in each blank with the correct word given. crispy sweet salty sour1.I dont like eating chocolate .It tastes too_. 2.Mom added salt but it still wasnt _ enough.3.I prefer lemons to oranges .I like the_ taste.4.She likes _ cookies .They are hard, dry and easily broken.,sweet,salty,
11、sour,crispy,翻译,1.对不起，我错拿了你的钢笔。 Im sorry to take your pen _ _.2.我想让她高兴。 I want to_ _ _ . 3.最后，他决定不去北京了。He decided not to go to Bei jing _ _ _.4.他年龄不够大，不能上学。He is not _ _ to go to school.电话是1876年被发明的。The telephone _ _ in 1876.,by mistake,make her happy,in the end,old enough,was invented,1.Go over the history of chips in 2a & 2b and write a short essay about it.,Homework,Goodbye!,
