单项选择题

Professor Johnson"s retirement______from next January.

A．carries into effect
B．takes effect
C．has effect
D．puts into effect
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单项选择题
The majority of nurses are women, but in the higher ranks of the medical profession women are in a______.
A．minority
B．scarcity
C．rarity
D．minimum
单项选择题
His ideas are invariably condemned as______by his colleagues.
A．imaginative
B．ingenious
C．impractical
D．theoretical
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