皮皮学，免费搜题
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搜题
【单选题】
手术前不需要做的常规准备是A.
呼吸道准备
B.
胃肠道准备
C.
排便练习
D.
备皮
E.
中心静脉置管
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】图(a)所示结构的弯矩图如图(b)所示。( )
【单选题】听力原文：M: These patients' situation is terribly serious. I do hope doctors can effectively deal with the problems. W: A doctor can't be too careful. Let's pray for the best. Q: What does the woman's res...
A.
Doctors needn't be careful for their patients in serious situations.
B.
The patients' situation is not serious enough for doctors to be careful.
C.
The best situation is that doctors can pray for the patients.
D.
The more careful the doctors are, the better.
【简答题】杆件的基本变形形式有哪些