更多"Satellite Ⅳ Today, you see compa"的相关试题:
[单项选择]Satellite Ⅳ
Today, you see compact satellite dishes perched on rooftops all over the United States. Drive through rural areas beyond the reach of the cable companies and you’ll find dishes on just about every house. The major satellite television companies are bringing in more customers every day with the lure of movies, sporting events and news from around the world.
The Broadcast TV Problem
Conceptually, satellite television is, a lot like broadcast television. It’s a wireless system for delivering television programming directly to a viewer’s house. Both broadcast television and satellite stations transmit programming via a radio signal. Broadcast stations use a powerful antenna to transmit radio waves to the surrounding area. Viewers can pick up the signal with a much smaller antenna.
The main limitation of broadcast television is range. The radio signals used to broadcast television shoot out from the broadcast antenna in a straight line.
A. a powerful antenna
B. a much smaller antenna
C. satellite dishes
D. cable
[简答题]
The Work of Today Must Be Done Today
You are to write in three paragraphs.
In the first paragraph, state clearly your viewpoint on the issue.
In the second paragraph support your viewpoint with details or examples.
In the last paragraph, bring what you have written to a natural conclusion with a summary or suggestion.
[填空题]You see him when you feel bad.
[填空题]
Caribbean Islands
What would you see if you took a cruise to the Caribbean Islands Palm trees and coconuts (椰子) white beaches and clear, blue ocean Colorful corals (珊瑚) and even more colorful fishes and birds You bet. There are thousands of islands in the Caribbean Sea. They are famous for their warm, tropical climate and great natural beauty.
The Caribbean Islands form a chain that separates the Caribbean Sea from the rest of the Atlantic Ocean.
(46) Many of the islands were formed by the eruption (爆发) of ancient volcanoes (火山). Others are low-lying coral islands that gradually rose from the ocean.
The Caribbean Islands are known by several names.
(47) The explorer Christopher Columbus called the islands the Indies in 1492 because he thought he was near the coast of India. Later, Spain and France called the islands the Antilles.
There are four large islands in the Caribbean Sea.
(48)
