单项选择题

A．The change of lifestyle.
B．The change of the nature of occupations.
C．The increase of social wealth.
D．The increase of job opportunities.
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单项选择题
A．There have been three major changes in TV technology since 1927.B．Basic TV technology nowadays is quite different from that of the first TV set.C．Digital TV sets incorporate computer technology.D．Digital TV technology originated in the U. S.
A．There have been three major changes in TV technology since 1927.
B．Basic TV technology nowadays is quite different from that of the first TV set.
C．Digital TV sets incorporate computer technology.
D．Digital TV technology originated in the U. S.
单项选择题
A．Power.B．Academic degree.C．Wealth.D．Diligence.
A．Power.
B．Academic degree.
C．Wealth.
D．Diligence.
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