单项选择题

A number is an abstraction ______ no physical existence.

A．has
B．to have
C．that has
D．who has
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单项选择题
They had all stayed on the ninth floor of the Metropole Hotel in Hong Kong in ______ half of February,
A．the second
B．second
C．the two
D．two
单项选择题
You cannot ignore the situation forever, one day you will have to ______ the consequences of your act.
A．look up to
B．wake up to
C．stand up to
D．face up to
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