某城市城区面积40km2,人口为110万,应设邮政局、所的数量为( )。
A.50
B.51
C.52
D.53
参考答案:B
带状疱疹多见于()
A.婴儿
B.幼儿
C.青少年
D.中青年
E.老年人
The company should establish and maintain procedures to control all documents and date which are relevant to().
A.ISM
B.SOLAS
C.DOC
D.SMS