SectionB3a—3bSelfcheck (6)

1、Section B (3a-3b Self Check),Unit 6 When was it invented?,1.【复习本单元重点单词、短语和句型，并掌握其用法。学习掌握本课时重点单词及短语 invent，inventor，mention，special，doubt，all of a sudden 2I can write.(我会写) 翻译下列短语及句式： (1)take notes 做笔记(2)被用来做be_used_for_sth./to_do_sth. (3)decide on 决定，判定 (4)come up with 想到，想起 (5)导致 lead_to 3I can tra

2、nslate.(我会译) (1)这个特殊的钢笔是由刘杰发明的。 This special pen was_invented_by Liu Jie. (2)很难断定是谁先想到这个主意。 Its hard to tell who came_up_with the idea first. (3)他们认为这个发明家是借用其他人的想法来创造自己的发明。 They think that the inventor used someone_elses idea to create his or her invention.,Writing,Problem: _ New invention: _ What i

3、t is used for: _,3a,Think of something that you do not like to do. Then think of an invention that could help you. Make notes.,a special pen,quickly taking notes in class,taking notes in class,Writing,This special pen was invented by Liu Jie. It has three colors and is used for .,Imagine you are a b

4、usiness person. Write a description of your new invention. Try to sell the invention to the class.,3b,常用句型： 1. I think is a very useful invention. 我认为是一项很有用的发明。 2. was invented by 是由 (某人)发明的 3. was invented in 是在 (某时间)发明的 4. It was used for 它被用来 5. is made of 是由(材料)制成的,One possible version:,This spe

5、cial pen was invented by Liu Jie. It has three colors and is used for taking notes quickly in class. It was invented in 2012. It is made of plastic and steel. It can remember what the teacher said. It can also help write down the main points. I think its a useful invention.,It is often difficult to

6、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.,invent, doubt, mention, nearly, website, all of sudden,Self Check,1. Complete the passage with the correct forms of the words in t

7、he box.,invent,nearly,Some inventions can also lead to other inventions _. 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 _ usually _ more than one inventor when

8、 giving information about inventions.,all of a sudden,doubt,websites,mention,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).,When was the personal computer invented?,Five eggs were used

9、to make this big cake.,2. Rewrite these sentences using the passive voice.,4. They asked us not to run in the hallway. _ _ 5. Someone took the video back to the store. _ _,The video was taken back to the store (by someone).,We were asked not to run in the hallway (by them).,Invention: _ When: _ Who:

10、 _ Purpose: _,in 2013,umbrella with a light,Li Meng,3. Find out information about an invention you would like to know more about and write sentences below.,seeing in the rain in the dark,1. During the afternoon, there was a _ (suddenly) heavy fall of snow. 2. I think the telephone _ (invent) before

11、the car. 3. The _ (Canada) song Alouette(百灵鸟) is a fun song about a bird.,一、 用所给单词的适当形式填空。,sudden,Exercises,was invented,Canadian,Exercise,4. They _ (invite) to take part in the May Day celebrations in Beijing. 5. The _ (popular) of private cars is changing the peoples life style. 6. When the bill _ (bring) to him, he was such surprised.,were invited,popularity,was brought,7. They gave their lives for their countr