骨疡型中耳炎又称为()
A.咽鼓管鼓室型
B.肉芽型
C.黏膜型
D.胆脂瘤型
E.单纯型
参考答案:B
—Are these books ________?
—No. they are not mine. They belong to ________. [ ]
A. your, her
B. yours, her
C. you, hers
D. yours, she
锤造冠就位后邻接关系不良,常见原因有()
A.代型邻面加蜡过多
B.加蜡过少
C.邻接区以下蜡未内收
D.相邻牙邻面突度过大
E.邻牙突度过小