单项选择题

A scientific law is liable at anytime to need ______; that is an eternal truth.

A．modifying
B．changing
C．revising
D．adjusting
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单项选择题
This village which is surrounded by mountains is only ______ by river, and it is obvious that the transportation is inconvenient.
A．accessible
B．attainable
C．available
D．achievable
单项选择题
Baroque has been the term used by art historians for almost a century to the dominant style of the period 1600～1750.
A．determine
B．designate
C．devise
D．depict
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