单项选择题

( ) mass media, big advertising dollar roles.

A．In
B．On
C．With
D．At
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单项选择题
As a ( ) salesman, he can write and speak in foreign language, as well as sing and dance.
A．flexible
B．versatile
C．productive
D．sophisticated
单项选择题
汉译英：“检验、检测、报告”。( )
A．check up；inspect；report
B．checkout；verify information
C．inspector；verify；reportorial
D．inspection; test; report
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