单项选择题

Doctors feel really worried that ______.

A．their patients will soon get older
B．adults are diagnosed with skin cancer
C．there is an outbreak of deadly aches on the skins
D．many younger people suffer from skin cancer

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单项选择题

The rise in skin cancers among young people might result from ______.

A．spending too much time on vacations
B．going to the tanning gatherings too much
C．exposed too little to the sun
D．doing too many exercises

单项选择题

According to the passage modem advertising is authoritative because of the way it ______.

A．influences our image of a special person
B．interferes with the quiet of home life
C．continually forces us into buying things
D．influences us no matter where we travel