当()低于饱和压力时,油层中的原油就会大量脱气,原油粘度增大,油井产量下降。
A、地层压力
B、流动压力
C、静止压力
D、井口压力
参考答案:A
A 3288. 5g baby boy is born by spontaneous vaginal delivery. During the initial assessment at 1 hour postpartum, the nurse notices lanugo, acrocyanosis, mongolian spots, and hemangiomas. Which of these is an abnormal finding in a neonate ?()
A.Lanugo.
B.Acroeyanosis.
C.Mongolian spots.
D.Hemangiomas.
在企业人力资源管理中,需要根据企业( )的变化,不断变革和创新,使规章制度和工作计划更加充满活力。
A.(A) 发展
B.(B) 内部环境
C.(C) 外部环境
D.(D) 内外部环境