五个有理数的积为负数，则五个数中负数的个数是 [ ]
A．1
B．3
C．5
D．1或3或5
答案：D
能增加尿量的方法有
A．静脉注射甘露醇
B．静脉输入大量生理盐水
C．抑制髓袢粗段对Na+重吸收
D．静脉注射大量去甲肾上腺素
88. Lying in bed, he was _______ awake with his eyes fixed on the ceiling.
A．wide
B．open
C．deep
D．Clearly
