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单项选择题

A．satellite communicationB．X-rayC．the laser beamD．conti……

What invention incorporated the principles of light and radio radiation


A．satellite communication
B．X-ray
C．the laser beam
D．continuous wave
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单项选择题According to this lecture, what areas of human sensation have not yet been accounted for in media communication

A．touch, taste, and hearing
B．touch, taste, and smell
C．smell, hearing, and sound
D．touch, taste, and sight

单项选择题What is one trend attributed to technological innovation in media communication

A．science fiction
B．historical fiction
C．realism
D．news development

单项选择题Which of the following statements is NOT true according to the passage

A．Quite a big percentage of Americans are cigarette smokers.
B．Americans are well informed of the danger from smoking.
C．Smokers of cigarettes may die of cancer.
D．The campaign against smoking succeeds in preventing Americans from smokin

单项选择题It can be inferred from the passage that the author ______ Brad Rodu.

A．is dissatisfied with
B．is suspicious of
C．is sympathetic with
D．is supportive of

单项选择题Which of the following seems to be NOT true of smokeless tobacco

A．lethal
B．addictive
C．safe
D．non-combustible