皮皮学，免费搜题
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搜题
【单选题】
欣某，女性，54岁，患卵巢癌，拟行手术治疗，术前护士应为患者配血A.
200～400ml
B.
400～600ml
C.
600～800ml
D.
800～1000ml
E.
1500～2000ml
拍照语音搜题，微信中搜索"皮皮学"使用
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