Soon, more of the information we receive via the Internet could come (31) in digital wrappers.
Wrappers are made up (32) software code that’s targeted to do specific things with the data (33) within them, such as helping to define queries for search engines. They also keep (34) from (35) access to that code.

A．package

B．packaged

C．packages

D．packaging

（）就是在保持井底常压（大于储层压力）的条件下，采用反循环方式进行排污和压井，达到恢复和重建井内压力平衡的压井方法。

A.正循环压井法

B.反循环压井法

C.压回法压井

D.低节流压井法