新视野大学英语4读写教程Unit4sectionB课件

Before visiting Japan you want to learn a bit Japanese. But your school has no professors of Japanese. What will you do?
That just sign up for the language course online offered by a school in another district or city is good idea.
1976 Gore began his political career in the House of Representatives as a congressman from Tennessee. During this term, he introduced a bill calling for the construction of a “data highway”.
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3. Telecommunications and Two Trends
Telecommunications, from Greek, means “communications at a distance”. The first trend: the incredible increase in the processing power of digital computers, namely, dramatic decreases in physical size, dramatic increases in complexity, speed and capacity. The second trend: the explosive growth in transmission capacity through the widespread use of optical fiber across continents and under oceans.
• Some American critics worry about that Profit-minded companies will only develop the information superhighway for the wealthy.
Why is it necessary for poor people to have the right to acquire and use high technology? • To get high-quality education and a good job.
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4. Information Age
The Information Age is an era of fundamental and global change in intellectual, philosophical, cultural and social terms. Today’s Information Age began with the telegraph. New techniques of encoding and distributing digital information are pacing the spread of the Information Age throughout society.
• The union of broadcasting, cable, video, telephone, and computer and semiconductor industries into one all-connected industry.
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Information Superhighway
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The Information Superhighway
• That just sit down in front of my home computer and enter the name of my favorite guitar player’s and his latest jazz CD is available there is the right thing to do when you want to listen to your favorite guitar player’s latest jazz CD.
What does vacuum (Para.11) refer to? • In an era of smaller budgets, the United States government is unlikely to come up with the money needed during the next 20 years to construct the • superhighway, hence absence occurs.
Al Gore
1986 Senator Gore sponsored the Supercomputer Network Study Act, a project which called for a mapping of the information needs of the general public onto the existing networks run by various universities, corporate research facilities, and military technology centers.
hairCable is made up of hair-thin glass fibers. It is an efficient carrier of information.
• A patient in America get treated by a doctor in Europe. He can view the patient’s records via computer, deciding the correct dose of medicine to give the patient, or perhaps even remotely controlling a blade • wielding robot during surgery.
Broadly speaking, the superhighway refers to the union of todayle, video, telephone, and computer and semiconductor industries into one large allconnected industry .