According to the fourth paragraph sauna gives the
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According to the fourth paragraph,sauna gives the skin a healthy glow because________.
A.pores are cleaned by sweat
B.water is lost by sweating
C.blood moves to the surface for heat exchange
D.the heart pumps harder and faster
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答案：A
该段第三句："A good sweat removes dirt and grime（污垢；尘垢）from pores and gives the skin a healthy glow.”据此判断A正确。