肠外营养支持时,脂肪乳剂的用量一般为每天每千克体重()
A.<1.0g
B.1.0~1.5g
C.1.5~2.0g
D.2.0~2.5g
E.>2.5g
参考答案:B
With the high way ____ and the bus ____ in the snow, the passagers were in great danger. [ ]
A. blocked, sticking
B. blocked, stuck
C. blocking, sticking
D. blocking, stuck
富氧时高炉煤气成份中CO2升高,CO升高而N2()。
A.不变
B.降低
C.升高