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新世纪版英语九年级上册《Unit Two Post and Communications Lesson 3 Bell and His Telephone》多媒体精品ppt课件
It has many channels.
What’s it?
Edward Belin invented it in 1913. It can send picture messages and word messages on the phone, so you should also press the phone number then the paper can be sent.
What’s it ?
What’s it?
Martin Cooper invented it in 1973. It can be carried everywhere. It is small and light. You can call your friend by it.
What’s it ?
invention
inventor
year
Alexander Graham Bell
1876
Alexander Bell invented it in 1876. It can be used in our home. You can call your friend by it. It is usually put on the table.
Telephones have become part of our life.
U2L3
Bell and his telephone
A.a keen desire B. led C.made D.settled E. teaching
Bell was born in Britain in 1847. His family was interested in teaching people to speak. His family trained him in public speaking and ____ the deaf to speak. Bell had ____ to help the deaf, for his mother was deaf. With hope for a better life, he moved to Canada in 1870, and _____ in America in 1871. Bell’s interest ____ him to invent the telephone in 1876.
Complete the following passage
News of his invention quickly ____ throughout the country. In 1877, Bell ___ the Bell Telephone Company. Telephone lines are widely used in communications. They can help to send not only sound messages but also video ____. Today, the quality and speed of telephone communications have greatly improved. Bell`s invention has ___ the way for the Internet.
A.paved B.used C.spread D.established E.images
E
A
D
B