油田注聚合物以后,由于注入流体的粘度增高、流度下降,导致油层内压力传导能力变差,使油井的()。
A、生产压差增大
B、生产压差降低
C、流动压力上升
D、产量下降
参考答案:A
Corzine’s Downfall
Corzine stained the reputation of Goldman Sachs in that he is not ______. A. competent as a chief executive B. insistent as a reform promoter C. faithful as a business partner D. qualified as a financial expert
人的意识的感觉器官有选择地接受外界刺激,使人能对这些刺激进行精细的加工的属性是( )。
A.回忆 B.思维 C.注意 D.想象