外研英语九上Module 9 Great inventions Unit 3 Language in use课件（49张PPT）

课件49张PPT。
Great inventions


Language in use The world is changing because of inventions.The wheelThe light bulbThe telephoneReading TimeFollow the tapeReading TimeRead by yourselvesTrueorFalse1. The wheel is perhaps the greatest invention.2. Thousands of years ago, people started to
use wheels on cars.3. In the early 20th century, the first trains
began to carry passengers.4. At the end of the 20th century, cars became
popular.The wheelA few thousand years agoAt the start of
20th centuryuse…carriagescarry passengers popularIn the early 19th centuryScotland teacherdeaftelegram
telephone
29thinkBell4. What can mobile phones do?3. How many people own mobile phones
today in the world?
1. When was the telephone invented?
2. Since then, what have people done?What do you want to say to Bell?液体发射机-?1876 Gower-Bell电话?-?1880 磁力发电机壁式电话?-?1885 西方电动折叠橱式电话?-?1892 10位自动壁式电话?-?1899 ?11位拨号桌式电话?-1905 De?Veau桌式电话?-?1915 法兰克福"Bauhaus"电话?-?1925 旋转式电话?-?1940s 可视电话-?1960s 摩托罗拉DynaTAC?8000X?-?1983三星 - 1985无绳电话?-?1990s 摩托罗拉StarTAC?-?1996 夏普SH04?-?2000 黑莓7210?-?2003 iPhone?-?2007 小米 - 2011iphone 7 - 2016
1. Why did we invent the telephone?
2. Why did we invent wireless phones?3. Why do people like iphone?
What is the advantage of it?The light bulb1. Who invented it?2. When was it invented?3. What did people use before it?4. What can we do with it?
I am the light bulb.
My inventor…
Before I was born…
I can do….
……
Who are you?
Who invented you?
What can you do?
……developin 1879beforeoil lampgas lampcandleas….aseveningpracticaldaytimeThe wheelThe light bulbThe telephoneNew inventions!What / when / whyOil-electric carBiostampSmart watchU diskTablet pcWireless mouseMp3Selfie stickHomeworkWrite a short
article about your
Invention.