七年级英语上册 Unit 9 My favorite subject is science（第6课时）Section B（3a-Self Check）课件 （新版）人教新目标版 (230)

1、1Period 6Section B 3a-self-checkWhen was it invented?2When were they invented?abacus in the 19th Century3umbrella at the end of Spring and Autumn Period clean up the4binoculars in 16005camera in 18396bicycle in 18397car in 1885 8motorcycle in 18859toothbrush in 1780 10translate It is only 5 dollars.

2、 It is a special pen. The pen was invented by Liu Jie. The pen was invented last month.11Put the sentences into the right places1.It is only 5 dollars. 2.It is a special pen.3.The pen was invented by Liu Jie.4.The pen was invented last month 5.10 dollarsInvention Time Who Purpose Price 123a Think of

3、 something that you do not like doing. Then think of an invention that could help you. Make notes. Problem: quickly taking notes in class New invention: a special pen What it is used for: Price:13 , 14写作提纲：Invention Time Who Purpose Price 15Writing examples. This special pen was invented bylast year

4、. It is special because It is used for When the red color is turned on, . When the black color is turned on, When the yellow color is turned on, 16Your time to write This special pen was invented by Liu Jie. It has three colors and is used for 17A sample version This special pen was invented by Zhen

5、g Jie. It has three colors and it is used for learning English. When the red color is turned on, the pen reads out English as it is moved along the line. When the black color is turned on, the pen finds out the structure of the sentences as it is moved along the line. When the yellow color is turned

6、 on, the pen shows the formation and meaning of the word as it is moved along the line .It is very cheap. It is only 10 dollars.18评价标准Is there a topic sentence(主题句主题句)? Did I use the passive voice?Are there any grammatical mistakes（语法错误）语法错误）? Is the handwriting beautiful? 19展示评价20Talk about it A: T

7、his special pen was invented by Zheng Jie. It has three colors and it is used for learning English. B: How is it special? A: When the red color is turned on, the pen reads out English as it is moved along the line. B: When about the black color? A: When the black color is turned on, the pen finds ou

8、t the structure of the sentences as it is moved along the line. B: When about the yellow color? A: When the yellow color is turned on, the pen shows the formation and meaning of the word as it is moved along the line. B: Wonderful! Where can I get one? A: I am the shop owner selling this kind of pen

9、. 21新闻采访Reporter: Whats your invention?Interviewee: Its a.Reporter: When was it invented?Interviewee: it was invented Reporter: Who invented it?Interviewee: It was invented byReporter: What is it used for?Interviewee: it is used for.22光荣榜 最佳表演奖最佳表演奖 ： 最佳创作奖最佳创作奖 ： 最佳语言奖：最佳语言奖： 最具潜质奖：最具潜质奖： 23 Write

10、an invention according to the picture HomeworkHomework24Problem: we often get hurt by the hot water in the cup.New invention: a cup that can tell you the temperature of the water.Use: It can show the temperature of the water.Price: 25 选作题2 Write an invention with the help of the information:Who: college studentsWhat: metal