问题
选择题
3. ----I want to have a room _____ south.
----Sorry, all the rooms have been booked.
A．faces
B．facing
C．faced
D．to face
答案
B
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3. ----I want to have a room _____ south.
----Sorry, all the rooms have been booked.
A．faces
B．facing
C．faced
D．to face
B
缺失，间隙约4mm，
银汞充填体，已做牙髓治疗，
位置正常，与下颌牙的覆覆盖关系正常，以下修复设计中最合理的是（）
双端固定桥