英语人教版九年级全册when it was invented.ppt

1、Unit 6 When was it invented?,Section B Period 1 (1a 1e),一、语言功能 Be able to descibe the history of invention by using the sentence: Sth.was/were invented.? 二、常用词汇、短语和表达 crispy , sour , by mistake , customer , the Olympics , Canadian , divide , o , basket, look up to, hero 三、学习策略 1.Be able to

2、 master the words about the food and express how they are invented.,Learning and Teaching Goals,2.Be able to know more about passive voice by listening. Pay attention to the sentences about how food are invented. 四、情感态度和文化意识 Know more about the important invention in the world , especially the four

3、great inventions of ancient China so that training our national pride and patriotism spirit.,1.Write out the past participle form of the following verbs: is_ invent_ think _ say_ want_ cut_ cook_ put_ know_ have _ like_ hear _,Review,was,invented,thought,said,wanted,cut,cooked,put,known,had,liked,he

4、ard,2.Translate the following sentences.ranslate the following sentences. (1)薯片是在无意中被发明的。 _ (2)最后，那个顾客高兴了。 _ (3)顾客说他们不够咸。 _,Potato chips were invented by mistake.,The customer was happy in the end.,The customer said they were not salty enough.,3.Let Ss look at the following chart and revise the stru

5、ctures of the simple past participle.,am/is/are+ done,will+be+done,was/were did,am/is/are+ being+done,Was/were+being+done,have/has+done,情态动词+be+done,crispy salty,Describe how the food tastes.,Preview,sour,sweet,salty,hot,Do you like delicious food? Which kind of taste do you like? Can you name some?

6、 (crispy /sour /salty /sweet food),Warming up and leading in,salty,sour,sweet,salty,potato chips,cheese,lemon,While-listening-1c,Listen for the general idea听取大意,The general idea of the conversation is about_ A.how potato chips were inented B. an invntor called George C.how George made the customer h

7、appy,A,T F,T F,1c Listen and circle T for true or F for false.,1. Potato chips were invented by mistake. 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 cust

8、omer was happy in the end.,T F,T F,T F,T F,The history of potato chips,Do you know how potato chips were invented? Potato chips _ by a cook called George Crum. They were invented in _. George Crum cut the potatoes really, really _ and then cooked them for a long time until they were _. Finally he pu

9、t lots of salt on them so they were _.,were invented,1853,thin,crispy,1d Listen again. Complete the sentences.,really salty,Listen for a fourth time, fill in the forms.,Boy1: Hey, did you know that potato chips were _by mistakes? Boy2: Really? What do you mean? Boy1: Well, here on the bag it says th

10、at they were invented by a cook _George Crum. Boy2:When was that? Boy1:Oh,it was _in 1853. Boy2: So , why was it an _? Boy1: Well, one day, a customer came into the restaurant where George worked. He _a plate of _potatoes.When the potatoes came, he said they were _too _and sent them back to the kitc

11、hen.,invented,called,back,accident,ordered,fried,cut,thick,Boy2:So what happened? Boy1: Well, George was angry, so he cut the potatoes really, really _, and he cooked them for a long time until they were_. And he put lots of _ on them so they were really_. He thought the customer would hate them. Bo

12、y2:And? Boy1: And the customer loved them and _for more. He told the other customers about them, and soon everyone was _thinly cut,_,_potato chips. Boy2:And we are still _them today. What a cool story!,thin,crispy,salt,salty,asked,ordering,crispy,salty,eating,Post-listening,Retell,how potato chips w

13、ere invented,The potato chips were invented by mistakes.,Firstly,potato chips were cut too thick and they were sent back to be remade .,Finally, George cut them really really thin and put lots of salt until they were salty.,The customers loved it very much.,Make a conversation about the invention of

14、 potato chips. A: Did you know potato chips were invented by mistakes? B: Wow, I didnt know that .Who invented them. A: .,1d,Make a survey,compass,gunpowder,papermaking,printing,奥运会开幕式与四大发明,Never give up your dream! If you believe you can, you can!,Inquiry knowledge by translation（翻译探究）,一、1、Potato c

15、hips were invented by mistakes. 2、Everyone will make mistakes. 3、Im sorry. I mistook you for Lao Tan. by mistakes 意思为 “_” make a mistake/make mistakes 意思为 “_” mistake.for.意思为 “_”,薯片是在无意中被发明的,每个人都会犯错。,抱歉，我错把你当成老谭了。,无意中，错误地,犯错误,把.错当成,二、1、The customer was happy in the end. 2、You can see a supermarket a

16、t the end of the street. 3、They will finish the work by the end of this year. _ in the end 意为 “_”，相当于_,_其后不接 of短语. at the end of.后接地点名词，表示“_”.后接表示时间的名词，表示“_”.,最后，那个顾客高兴了。,在街的尽头你能看到一家超市。,他们将在今年年底完成那项工作。,最后,at last,finally,在.尽头,在.之前,Its your turn,Have a test!,一、用所给单词的适当形式填空。,1. I _ (mistake ) the road

17、 yesterday. 2. The eggs tasted _(salt). 3. I know the boy _(call) Bob. 4. Potato _(chip).were invented by George. 5.There are many _ (customer) in that shop.,mistook,salty,called,chips,customers,1.我错拿了你的雨伞。 2.他做了很多实验，最后成功了。 3.她没吃晚饭，因为菜太咸了。 4.那 个厨师想让那位顾客高兴。,二、翻译下列句子。,I took your umbrella by mistake.,He did many experiments and succeeded in the end.,She didnt have dinner,because the d