某油井的流动压力为6.5MPa,饱和压力为9.2MPa,地层压力为11.0MPa,则该并的流饱压差为()MPa。
A、—1.8
B、-2.7
C、-4.5
D、-15.7
参考答案:B
具有更多的进取性、冒更大的风险、强烈的首创性和外向性的新产品战略是()
A.保持地位战略
B.革新战略
C.冒险战略
D.仿制战略
________ Jeremy was hurt in the match, he didn’t give up and finished in ninth place.
A.When
B.Although
C.Because
D.If