问题
选择题
— What kind of volunteer work would you like to do?
— I'd like to _____ sick kids in hospital. [ ]
A. find out
B. look up
C. cheer up
D. hand out
答案
答案：C
搜题请搜索小程序“爱下问搜题”
— What kind of volunteer work would you like to do?
— I'd like to _____ sick kids in hospital. [ ]
A. find out
B. look up
C. cheer up
D. hand out
答案：C
，磨牙中性关系，上颌尖牙唇向高位，拥挤9mm。上下前牙唇倾度正常，下牙列无拥挤。侧位片测量显示上颌骨发育不足，ANB-2°。4个第三磨牙牙胚存在