单项选择题

More and more persons who use the Intemet had created a （） or web based diary.

A.blog
B.DBMS
C.profile
D.photo-set

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单项选择题

Unit testing refers to that each （）is tested to ensure that it operates correctly.

A.subsystem
B.device
C.application
D.module

单项选择题

OS can use （） memory to run processes that require more main memory than is actually available.

A.virtual
B.imaginary
C.abstract
D.false

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