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() 2. The patient is badly hurt. He needs at once.
A. to operate on B. to be operated
C. operating D. an operation
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二、单项选择。(30分)
() 1. The plane is used a training center the local doctors and nurses.
A. as;to train B. to;train C. for;trains D. as;training
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5. UNICEF is working together with a few other charities to (改善) the lives of children all over the world.
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