造成牙槽骨吸收速度快的原因不是
A.骨质疏松
B.牙周病
C.猖獗龋
D.全身健康差
E.义齿设计制作不合理
参考答案:C
解析:猖獗龋一般不会影响牙槽骨的吸收,不是牙槽骨吸收快的原因。
I would have paid _____ for the dress if the sales girl had insisted, because I really wanted it. [ ]
A. as much twice
B. twice as much
C. twice more than
D. more than twice
关注民生,解决就业,是发展的需要,是建设和谐社会的需要。下列选项中,旨在解决农村剩余劳动力就业的是( )。
A.建立人民公社 B.建立农村集体所有制C.实行家庭联产承包责任制 D.发展乡镇企业和非农产业