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
They could see nothing because the lights suddenly _______.
A.went on
B.went over
C.went down
D.went out
选择全口义齿人工前牙的宽度时应参照()
A.面中线
B.口角线
C.笑线
D.颌间距离
E.垂直距离