单项选择题

It was impossible to estimate what types of costly medical advances will be________in coming years.

A．available
B．applicable
C．approachable
D．attainable
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单项选择题
He claimed that it was her rudeness that________him to strike her.
A．proposed
B．protected
C．provided
D．provoked
单项选择题
The old are drinking________milk per person today as they did a decade ago.
A．as five times
B．five times more
C．more than five times
D．more than five times as much
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