单项选择题

Doctors are interested in using lasers as a surgical tool in operations on people who are ______ to heart attack.

A．prone
B．disposed
C．infectious
D．accessible
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单项选择题
Emphasis is laid on the necessity that all the objectives to be attained ______ account before starting a new plan.
A．will take into
B．will be taken into
C．be taken into
D．take into
单项选择题
We have to try every means to ______ the costs of the project.
A．bring off
B．bring up
C．bring down
D．bring back
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