Unit6 SectionB 1a-1e 课件人教版新目标英语九年级全一册 .ppt

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1、,When was it invented ?,Unit 6,The fourth period,Read the article and write answers to the questions.1. What is this article about?2. Was it invented on purpose or by accident? 3. When was it invented?4. Who invented it?,I think it is about the invention of tea.,By accident. The first sentence tells

2、 us that.,About 5,000 years ago.,The ruler Shen Nong.,4. How was it invented?,boiling water over an open fire,fell into and remained,produced a nice smell,tasted the brown water -tea,It was invented by accident.,sweet甜的,crispy脆的,salty咸的,How do they taste?,hot辣的,bitter苦的,red bayberries杨梅,peppers,sour

3、酸的,Presentation,cookies,lemons,candy,ice cream,tea,rune梅干,Tastes,1.Can you tell me five tastes? 2. Which food is sour? 3.Which food is sweet? 4.Which food is bitter? 5.Which food is salty ? 6.Which food is hot ?,Sour sweet bitter hot salty,orange yogurt,apple banana,tea coffee,salt pizza,pepper onio

4、n,crispy and salty,Describe how food tastes.,potato chips,What are needed?,The potatoes are cut into slices. They should be cut really thin.,The slices are cooked in the pan until they are crispy.,The pepper and salt aresprinkled(撒，洒).,How to make potato chips？,potato chips,Who were potato chips inv

5、ented by?When were potato chips invented?,George Crum,cook,1a The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word.,sweet crispy salty sour,crispy,salty,sour,sweet,salty,1b,banana, apple, soda, cake, honey,salad, lettuce（生菜）,f

6、rench fries,french fries, olives（橄榄）,yougurt， lemon， pickle(泡菜),Write the name of a different food after each word.,1c Listen and circle T for true or F for false.,1. Potato chips were invented by mistake.T F2. They were invented in 1863. T F3. The customer thought the potatoes were not thin enough.

7、 T F4. The customer said they were not salty enough. T F5. George wanted to make the customer happy. T F6. The customer was happy in the end. T F,1d Listen again. Complete the sentences.,The History of Potato ChipsDo you know how potato chips were invented? Potato chips _by a cook called George Crum

8、. They were invented in _ . George Crum cut the potatoes really, really _ and then cooked them for a long time until they were _. Finally he put lots of salt on them so they were _.,were invented,1853,thin,crispy,really salty,The history of chips,Language points,1. salty 咸 的 salty (tasting of salt)

9、形容词，意为“咸的；含盐的”，是由名词salt(盐)加后缀-y构成的。 The soup is a little salty for me. 汤对我来说有点咸了。名词+后缀-y构成的形容词：lucklucky healthhealthy windwindy rainrainy taste tasty ice icy snow snowy sunsunny,Language Points,by mistake 意为 “错误地,无意地” I took his backpack by mistake. 我错拿了他的书包。 mistakefor把误认为, make a mistake 犯错in the

10、 end/at last/ finally最后 at the end of 在尽头,末端 by the end of 到末为止thin- thick/ fat .,It is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may _ things which are _ the same. Its hard to tell who came up with the idea first. Some inventions can als

11、o lead to other inventions _.,invent doubt mention Nearly website all of a sudden,invent,nearly,all of sudden,So some people _ whether the inventor came up with the idea himself or herself. They think that the inventor used someone elses idea to create his or her invention. That is why books or _ us

12、ually _ more than one inventor when giving information about inventions.,doubt,websites,mention,Rewrite these sentences using the passive voice.,1. Someone stole my watch. _2. They used five eggs to make this big cake. _3. When did they invent the personal computer? _,My watch was stolen by someone.

13、,Five eggs were used to make this big cake.,When was the personal computer invented?,4. They asked us not to run in the hallway. _5. Someone took the video back to the store. _,We were asked not to run in the hallway.,The video was taken back to the store by someone.,Self-check,crispy sweet salty so

14、ur I dont like eating chocolate . It tastes too _ . 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.,crispy,sweet,salty,sour,The alarm clock is one of the most annoying _ （发明）.2 The scoops_ (u

15、se) for having soup. = The scoops_ _(use) _ have soup. 3The alarm clock is used for_ _ _ （叫醒我） The potato chips were invented by a chef._ _the potato chips _by?By _ _the potato chips _ ?5The telephone was invented in 1876._ _the telephone _ ?,达标练习,inventions,are used,are used to,waking me up,Who wer

16、e invented,whom were invented,When was invented,1.Rice _ (grow) in the south of China.2._ this kind of car _ (make) in the USA?3.You _(want) on the phone.4.Li Ming _(ask) to attend the meeting yesterday.5.The young trees _ (not water) yesterday.6.The printer _(use) _ (print) something.7.What _ it _(make) of? Paper.,8.You can watch TV when your homework _(do)9.He _ often _(hear) _(sing) in the room.10.The workers _ (make) _ (work) for 12 hours by the boss every day.11.An accident _ (happen) here last night.12.Many stars _ (can see) at night.13.Your bike _ (must not put) there.,Goodbye!,