单项选择题
单项选择题 高温持续期本质是( ) A.产热等于散热 B.体温调节中枢以与正常相同的方式在一个较高的水平上来调节产热和散热 C.因散热反应皮肤血管较为扩张,高温持续 D.皮肤温度上升,皮肤和口唇比较干燥
单项选择题 与血浆相比,下列溶液不属于等渗溶液的是( ) A.生理盐水与50g/L葡萄糖溶液等体积混合 B.1 L溶液中含9gNaCl和50g葡萄糖 C.100ml 500g/L葡萄糖加水至1000ml D.100ml500g/L葡萄糖中加入900ml水
单项选择题 The old man said the words with more dignity than I would thought possible his appearance. A.considering B.considered C.consider D.to consider