问题
选择题
_____ the bad weather, the swimming match had been put off. [ ]
A. Because
B. Thanks to
C. With the help of
D. For
答案
答案：B
搜题请搜索小程序“爱下问搜题”
_____ the bad weather, the swimming match had been put off. [ ]
A. Because
B. Thanks to
C. With the help of
D. For
答案：B
冠折，断面在龈上，无叩痛，无松动，牙片显示根充完善，无根折，该牙应在根管治疗后至少多长时间进行桩冠修复（）。