单项选择题

A．A computer used exclusively by one company for its own problems.
B．A person’s storage of knowledge and the ability to process the computer.
C．The most up-to-date in-house computer a company can buy.
D．A computer from the post-war era which is very reliable.
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填空题
S6. In mobile American society, interclass and interfaith marriages are becoming________.
单项选择题
A．The new technology used to build roads.B．The ability to transport goods over land.C．The trade in grain and cotton.D．The linking of smaller local roads into one long road.
A．The new technology used to build roads.
B．The ability to transport goods over land.
C．The trade in grain and cotton.
D．The linking of smaller local roads into one long road.
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