有跨省业务需求时,优先建立两省()类节点间的汇聚通道。
A.1
B.2
C.3
D.4
参考答案:A
处方中含有胶类药物()
A.成囊材料
B.增塑剂
C.遮光剂
D.防腐剂
E.增稠剂
In that hospital under no circumstances any member of staff___socialize with the patients .
A.may
B.must
C.can
D.Should