正常尿量是指24小时尿量平均约为()
A.1500ml
B.1000ml
C.500ml
D.2000ml
E.2500ml
参考答案:A
It is generally accepted that ________ boy must learn to stand up and fight like ________man.[ ]
A. a; a
B. a; the
C. the; the
D. a; /
可以进行多路市电和柴油发电机电源自动切换的设备是()。
A.ATS
B.SPM
C.STS
D.UPS