预算中心下设（）专业小组。
A.生产预算组
B.经营预算组
C.核算结算组
D.管理评价组
E.信息管理组
参考答案：A, B, C, D
_________as one of the most important inventions of the time, the computer helps people living in different countries to do a lot of things.
A．Knowing
B．Known
C．To know
D．Know
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