Unit9whenwasitinventedb.ppt

1、,Unit 9 When was it invented?,Section B: 1a:,salty,sour,sweet,sweet,bitter,cold,1b: Write the name of a different food after each word.,sweet _ salty _ bitter_ crispy _ sour _ hot _,2a: Listen and circle “T” (for true) or “F” ( for false).,by mistake 弄错 eg: I took his backpack by mistake. 我错拿了他的书包。,

2、2. in the end = at last =finally 最后.终于 eg: He finished the homework in the end.,2b: listen again and complete the sentences. The history of chips (1)_ that potato chips were invented by mistake? Chips (2)_ by a chef called George Crum. They were invented in(3) _. George Crum cooked them for a long t

3、ime until they (4)_. And he sprinkled lots of salt on them so they were (5)_.,Did you know,were invented,1853,were crispy,really salty,Talk about the things were invented by mistake.,When is the article about? _ When was it invented? _ 3. Who was it invented? _ How was it invented? _,The article is

4、about the invention of tea.,It was invented over three thousand years age.,It was invented by the Chinese emperor, Shen Nong.,It was invented by accident.,1. by accident : 偶然地,2. although (though ) 虽然 , (但是.),eg: Although he is very old, he still works hard. 他虽然年纪很大，但是他仍然努力工作。 = He is very very old,

5、 but he still works hard.,3. discover: invent:,to find or learn sth that nobody knew or had before to think of or make sth for the fist time,eg: Who discovered America? eg: Laszlo Biro invented the ball-point pen.,4. according to : 根据； 据. 所说 ； 按照 的样,（ prep.),Eg: According to the TV, it will be fine

6、today. According to Tom, that film is frustrating. Ill do it according to your instructions.,5.over an open fire 在火上,over : directly above sth, but not touching above: higher than on : directly above sth, and touching it,6. nearby : (adj.) (only before a noun.) not far away in distance Eg: We went t

7、o a nearby restaurant. 我们去了附近的一家餐馆。 比较： near: (adj.) ( cannot be used before a noun in this way) Eg: The restaurant is quite near.,7. remain: to stay or continue in the same place or condition Eg: (1) After the party, Judy remained and helped me do the dishes. 聚会后，朱迪留下来帮我清洗碗盘。 (2) How long will you remain here ?你要在这停留多久？,8. in this way 这样， 用这种方法 比较： in the way 挡路 by the way 顺便说 on the (ones) way to 在去的途中,Self check: (1) I dont like eating chocolate. The taste is too _ . Mom added salt but it still wasnt _ enough. I prefer lemons to oranges. I li