单项选择题

Many scientists hold that global warming can be controlled by ______.

A．reducing the polar bear population
B．paying more attention to the earth's rising temperatures
C．reducing carbon dioxide emissions
D．refreezing the polar ice caps

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单项选择题

According to the author, the Ancient Greeks and Romans ______.

A．had a sense of fashion
B．did not had a sense of fashion
C．had many misconceptions about fashion
D．had a limited definition of fashion

单项选择题

The Greeks and Romans were aware of the potential of modifications to the body to ______.

A．help develop a sense of fashion
B．break societal norms
C．help develop society
D．mark various distinctions