单项选择题

Cigar and pipe smokers consume ______.

A．slightly less nicotine than cigarette smokers
B．less nicotine than cigarette smokers
C．no less nicotine than cigarette smokers
D．much less nicotine than cigarette smokers
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单项选择题
According to the author, ______.
A．the use of clich6s can make a person’s speech very dull
B．a clich6 is used to describe things that are too beautiful for words
C．the phrase "as hard as nails" is no longer in use
D．cliches are .something you can only learn from Shakespearean play
单项选择题
According to Turing, a computer can prove to have human-like intelligence in a special test if ______.
A．the computer gives better answers
B．the questioner fails to give identical questions
C．the questioner can't tell between the answers of a person and a computer
D．the questioner can't find the person hidden by the computer
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