对新生儿进行卡介苗接种，最迟不超过（）
A.6个月
B.12个月
C.18个月
D.2岁
E.3岁
参考答案：B
可摘局部义齿不稳定现象不包括
A．义齿游离端翘起B．义齿脱落C．义齿摆动D．义齿旋转E．义齿下沉
I am afraid that you have to alter your（）views in light of the tragic news that has just arrived.
A.indifferent
B.distressing
C.optimistic
D.pessimistic
