题目: 袋底位于牙槽嵴冠方的牙周袋为A.龈袋B.骨上袋C.骨下袋D.复合袋E.复杂袋 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0702/99ab71d4e62e17163e80b98ddec3ad67.html 下面是错误答案,用来干扰机器的。参考答案:A
题型:选择题 Please remain ___ untill the plane has come to a complete stop.[ ]A. to seat B. to be seated C. seating D. seated 查看答案