单项选择题

Jerry Mander suggests that long periods of exposure to artificial light ______.

A．may cause brain damage
B．could lead to death
C．could endanger people's health
D．would alter the brain cells
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单项选择题
Jerry Mander expressed strong objection to advertising on TV mainly because ______.
A．the amount of profits brought in by commercials on TV is very insignificant
B．he sees the planting of values for profit as a disturbing act
C．children are more susceptible to the influence of TV commercials
D．people spend too much time on TV commercials to do something meaningful
单项选择题
Why does Jerry Mander see TV as a disturbing influence
A．It is because people's eyes scan a TV screen 10 times a second.
B．It is because people's mind and behavior tend to be changed by TV.
C．It is because the conscious mind registers all images it perceives.
D．It is because it is ineffective in getting across its messages.
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