突发呼吸困难伴有窒息感，且一侧呼吸音消失，见于
A．重症肺炎 B．支气管哮喘C．自发性气胸 D．渗出性胸膜炎E．急性心肌梗死
参考答案：C
修复体边缘线相对最长的修复体是哪一种类型（）
A．嵌体
B．树脂全冠
C．铸造金属全冠
D．3/4冠
E．桩冠
The uncertainty of an event is measured by its probability of occurrence and is inversely proportional to that. The more uncertain an event is. The more information is required to resolve uncertainty of that event. The amount of information is measured in （）
A、possibility
B、bits
C、bps
D、probability
