在特定工业区使用燃煤锅炉烟尘最高允许排放浓度为()mg/m3。
A.大于350;
B.小于250;
C.250~350;
D.大于400
参考答案:C
Mr Smith was driving fast to take his wife to the nearest hospital because their baby was________.
A.on its way
B.in the way
C.by the way
D.out of the way
对输血时发生溶血反应的病人应采取的最佳治疗措施是()
A.抗休克
B.碱化尿液、利尿
C.抗休克、碱化尿液
D.碱化尿液
E.利尿