单项选择题

Where is everything that is in the library listed

A．In solar system.
B．In the computer system.
C．In the public address system.
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单项选择题
The first electronic computers were ______.
A．slow and reliable
B．large and fast
C．creative and accurate
D．unreliable and small
多项选择题
What adjectives are used to define noise conventionally
What adjectives are used to define noise conventionally
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