患者A区第一前磨牙Ⅲ度松动,牙周袋溢脓,牙周袋深7mm,治疗方案为()
A.拔除
B.龈上洁治术+龈下洁治
C.切龈术
D.翻瓣术
E.抗生素治疗
参考答案:A
This hardworking and patient teacher has proved that he __ respect from each one of us. [ ]
A. deserves
B. expects
C. reserves
D. demands
APU进气门受以下哪个部件的控制().
A.只受APU起动电门控制
B.ECU和APU起动电门
C.APU起动电门和APU引气活门
D.只受ECU控制