运动实验的禁忌证包括()
A.不稳定型心绞痛
B.急性心肌梗死或心肌梗死合并室壁瘤
C.严重主动脉瓣狭窄
D.心力衰竭
E.肺栓塞
参考答案:A, B, C, D, E
玻璃器皿干热消毒要求()
A.160~170℃2小时
B.160~170℃1小时
C.100℃2小时
D.150℃2小时
E.140℃2小时
According to Gestalt psychology, people tend to perceive objects and scenes as organized ______ first and then their component parts.