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【简答题】

[名词解释] 反冲砂

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题目标签:冲砂反冲
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【单选题】Bill Gates, the billionaire Microsoft chairman without a single earned university degree, is by his success raising new doubts about the worth of the business world’s favorite academic title: the MBA(...

A.
Why there is an increased enrollment in MBA programs.
B.
The necessity of reforming MBA programs in business schools.
C.
Doubts about the worth of holding an MBA degree.
D.
A debate held recently on university campuses.

【单选题】以下属于反冲砂的特点的是()

A.
液流下行速度慢,冲刺力不大,易堵塞油管
B.
冲刺力大,易于冲散砂堵
C.
冲洗液上返速度小,携砂能力弱,大颗砂粒不易带出

【单选题】Doubts and Debates over the Worth of MBA Bill Gates, the billionaire Microsoft chairman without a single earned university degree, is by his success raising new doubts about the worth of the busines...

A.
can climb the corporate ladder fairly quickly
B.
cherish unrealistic expectations about their future
C.
quit their jobs once they are familiar with their workmates
D.
receive salaries that do not match their professional training

【单选题】以下不属于正冲砂的特点的是()

A.
冲刺力大,易于冲散砂堵
B.
冲砂液从油管进,套管退出
C.
上返速度快,携砂能力强。