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

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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

单项选择题The author seems to consider it to be ______ for those Swedish smokers to switch to smokeless tobacco.

A．valuable
B．pointless
C．useless
D．irrational

单项选择题The following advantages of smokeless tobacco are listed EXCEPT that ______.

A．it is an effective substitute for ordinary smoking
B．it has no side effects
C．it avoids second-hand smoke
D．it can prevent a fire from bursting out