皮皮学，免费搜题
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搜题
【单选题】
E-R模型图提供了表示信息世界中的实体、实体属性和（ ）的方法A.
数据
B.
模式
C.
表
D.
联系
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
【单选题】关于手术室空气的清洁消毒,哪项不正确
A.
手术室必须建立打扫卫生，空气消毒等制度
B.
无须控制参观人员数量
C.
有急性呼吸道感染者，不应参加手术
D.
进入手术室或进行无菌操作，口罩应遮住口鼻部
E.
进入手术室应肃静，不要大声说话和咳嗽，如有喷嚏应将脸侧向地面
【单选题】预防手术创面外源性污染的措施不包括
A.
手术器械、敷料灭菌和消毒
B.
手术室空气消毒
C.
切开空腔器官前用纱垫保护，避免污染
D.
手术人员手、臂无菌准备
E.
手术人员戴口罩和手术帽
【简答题】A．When they were not willing to appear shy. B．When they were not willing to be inspected by their leader. C．When they were not willing to be examined about their uniform. D．When they were not willing ...
【单选题】Lack of teamwork can result in _____by rivals when we have a basketball game.
A.
defeated
B.
being defeated
C.
defeating
D.
to be defeated
【简答题】A．When the dustbins were not emptied during the strike. B．When some jokes were made about the work of the dustmen. C．When there were so many dustbins in every backyard in the country. D．When the dustm...
【简答题】图所示电路中含有理想变压器，原边匝数为N 1 ，副边匝数为N 2 ， 。当原边分别由电流源i S 与电压源u S 激励时，在保持原边匝数N 1 不变的前提下，若要使R 2 上的功率增加，副边匝数N 2 应增加还是减少?请说明理由。
相关题目：
【单选题】预防手术创面外源性污染的措施不包括
A.
手术器械、敷料灭菌和消毒
B.
手术室空气消毒
C.
切开空腔器官前用纱垫保护，避免污染
D.
手术人员手、臂无菌准备
E.
手术人员戴口罩和手术帽