单项选择题

In a little more than 200 years, Australia has ______ some drastic social and economic changes.

A．taken
B．made
C．got
D．seen
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单项选择题
The performance of a particular project is usually analyzed ______ customers needs.
A．in terms of
B．in search of
C．by means of
D．in case of
单项选择题
Never ______ what you cannot do interfere with what you can.
A．make
B．take
C．see
D．let
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