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问题 单项选择题

动态分析是分析油层内部的变化，搞清各类（）的开发状况及其动态变化的规律，从而为改善油田开发效果服务。

A、油井

B、油层

C、注水井

D、油砂体

答案

参考答案：B

问答题

简述操作人员培训(又称一线人员培训)的目的。
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单项选择题

Soon, more of the information we receive via the Internet could come (6) in digital wrappers. Wrappers are made up (7) software code that’s targeted to do specific things with the data (8) within them, such as helping to define queries for search engines. They also keep (9) from (10) access to that code.

A．of

B．off

C．on

D．out
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