轻度窒息是指出生1分钟Apgar评分()。
A.O~3
B.3~5
C.4~7
D.8~10
E.7~10
参考答案:C
解析:按Apgar评分法制订标准,出生1分钟时4~7分为轻度窒息。
Mary McCarthy's satires are couched in the prose style that has a classic precision.
A.fused
B.prefaced
C.standardized
D.expressed
管道直径D=200mm,末端装一薄壁孔板,直径d=120mm,用以测定管道中的流量(如图)。已知压力计中心比管轴线高h=1.5m,读数M=98kN/m2,流量Q=()。
A.116L/s
B.11.6L/s
C.11.6m3/s
D.1.16m3/s