An increasing number of people enjoy sun-bathing, but experts warn that too much

题干

An increasing number of people enjoy sun-bathing, but experts warn that too much ________of the body to strong sunlight is harmful．

A．access

B．exposure

C．resistance

D．touch

上一题下一题 0.85难度单项选择更新时间:2010-09-28 02:42:21

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