单项选择题

All the parts of these washing machines are ______, so that it is very convenient tO replace them.

A．normalized
B．modernized
C．mechanized
D．standardized
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单项选择题
To keep with the new developments in this field he ______ to a number of journals concerned with it.
A．subscribed
B．prescribed
C．subsidized
D．substituted
单项选择题
He is holding a ______ position in the company and expects to be promoted soon.
A．subordinate
B．succeeding
C．successive
D．subsequent
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