单项选择题

The business of doctors is to prevent and（）disease.

A. kill
B. cure
C. wound
D. injure

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单项选择题
______, the new medicine is now in mass production.
A. With the solved problem
B. With this problem being solved
C. With the problem solved
D. With this problem to solve
单项选择题
We hurried to the station ______ find ourselves three hours earlier for the train.
A. only to
B. in order to
C. so as to
D. such as to
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