更多"Why is cable TV necessary"的相关试题:
[单项选择]How is cable TV different from ordinary TV
A. One has to pay for the viewing.
B. Cable TV has less news than ordinary TV.
C. Programs on cable TV are not as often interrupted as those on ordinary TV.
D. Cable TV has more viewers than ordinary TV.
[单项选择]Cable TV is becoming more and more popular because ______.
A. it is free of charge
B. it can provide more programs
C. it provides all TV users good pictures
D. TV sets with regular antennas can also have a good reception through CATV
[单项选择]Why is it not necessary to provide powered flight in space all the time ______
[单项选择]Why is a briefcase is necessary for the traveling businesswomen ______
A. It provides space for dirty clothes.
B. It can keep currently required papers separate.
C. It can double as a briefcase.
D. It is usually big enough to carry all business documents.
[单项选择]Why was it necessary to replace the old standard weight
A. Someone spilled water on it.
B. Someone lost it.
C. It was made of low quality metal.
D. The standard for measuring had change
[单项选择]Why does the author think it necessary to heed the demographic changes in Europe and America
A. Because these changes are threatening the partnership between Europe and America.
B. Because these changes lead Europe to adopt its own economic and political policies.
C. Because these changes are more important than war and protectionism issues.
D. Because theses changes are domestic.
[单项选择]Why is it NOT necessary for the patient to get some contact lenses
A. She is not at all shortsighted.
B. Her eyes are allergic to contact lenses.
C. She can make do without any glasses.
D. Her left eye is good enoug
