单项选择题

Which of the following is NOT mentioned as a high-risk group in danger of contracting AIDS

A．People engaged in the business of entertainment.
B．Homosexual and bisexual men.
C．Intravenous drug users.
D．Poor urban residents.
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单项选择题
In the U.S. ______ percent of the infants with AIDS are white.
A．91
B．9
C．40
D．20
单项选择题
According to the passage, which of the following statements is CORRECT
A．Discrimination against people with AIDS is declining.
B．Homosexuals have been harassed for being possible HIV carriers.
C．HIV is transmitted through physical contact of any sort.
D．The fear of AIDS will inevitably change people's sexual behavior.
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