Unit 2 Lesson 3 Bell and His Telephone 课件（22张PPT）

课件22张PPT。U2L3 Bell and His TelephoneText Alexander Graham Bell
/??l?ɡ?z?nd?/ /'gre??m/InventionNo __________ ,

no ___________ .telephones smartphonesInventorBellJobsSkim the whole passage and get the main idea of each paragraphFast readingtimetimetimetimetimeeventeventeventeventeventTimeline时间轴Bell’s Life 1847 1870 1876 1882 1922_______ in Britain_______ Canada with his family settled in the U.S.A._______ the telephone on March 10established the Bell telephone Company_______ an American citizen_______ in Canadawas bornmoved to1871
invented1877becamedied________________Why did Bell invent the telephone?his family’s interestthe training he gothis keen desireBell finally invented his “ _______ speech machine”--- the telephone because he was ________ in educating ____ people. The first telephone _______ was “Mr. Watson, come here, I want you.”
News of his invention quickly ______ all over the country, and even to ______.
electricalinteresteddeafmessage1876spread set upAmerican1882 1877EuropeestablishedanThink and GuessBell’s interest in educating deaf people led him to invent his
“electrical speech machine”.What does “electrical speech machine” refer to?
Paragraph 2The telephone“---”dash : give meaningsThink and chooseNews of his invention quickly spread
throughout the countryA.B./spred/News of his invention ….established…became…How did people communicate with each other before the invention of the telephone?By telegramBy letterslow
It is charged by each word.expensivebe lost/damaged_____________have taken place in the telephone industry.Great changesGreat
changesTelephone
linesSpecial display
telephoneQuality and
speedThe Internetsound messagesvideo imagesBell’s invention has paved the way for the Internet.Before the invention of the telephoneWith the invention of
telephone in 1876 Nowadays, The development of ways of communicationletter; slow; be lost
telegram; expensivegreat changes…
telephone lines
a special display telephone
the quality and speed ……Beginning:BodyEnd:What do you think of Bell?Bell……successful……a great inventorstrong……never give up……Diligence in yourself is the first step on the road to success.
勤奋是走向成功的第一步
Interest is the best teacher.
兴趣是最好的老师Assignments:Introduce Bell according to the timeline with your own words orally.
Choose a great inventor and write a report to introduce him and his invention.