题目内容
He fell down the stairs and resulted in _____ fracture.
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_______ drug users are in a high-risk category for hepatitis C.
_______is a state of extreme sorrow, suffering, or pain.
This company needs an _______ of new blood, that is, needs new employees to give it vigor.
The doctor found that the patient’s _________sound was normal and ruled out the possibility of bowel diseases.
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