单选题
Heat exhaustion is a condition caused by ______to sunlight or another heat source which often results in dehydration and salt depletion.
A、
a reaction to
B、
overexposure
C、
a limitation of
D、
an absence of
【正确答案】
B
【答案解析】
a reaction to反应。overexposure过度暴露。an limitation of局限。an absence of缺乏。
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