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【单选题】
一般病室冬季最适宜的温度与相对湿度是（ ）。A.
15～17℃，30%～40%
B.
16～18℃，40%～50%
C.
18～22℃，50%～60%
D.
20～22℃，50%～60%
E.
22～24℃，50%～60%
拍照语音搜题，微信中搜索"皮皮学"使用
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