雾尘的直径小于( )。
A.10 μm B.50 μmC.75 μm D.100 μm
参考答案:D
Though invited several times, I still have some doubt ___ I can go to his birthday party. [ ]
A. when
B. where
C. why
D. whether
柜员密码到期或日常修改密码时通过“0034柜员/主管密码维护”进行操作,B级柜员或普通柜员忘记密码,由()柜员通过该交易强行进行改密,不需输入原密码。