短信银行的目标客户是？（）A.在我行开立人民币银行结算账户的自然人 B.法人 C.其

X—10稀释剂由环己酮和脱水二甲苯混合而成，常用于环氧漆的稀释作用。( )

货币在（）时执行价值尺度职能。

A.商品买卖

B.缴纳税款

C.支付工资

D.表现和衡量商品价值

For each blank, choose the best answer from the four choices and write down on the answer sheet.
(66) is a six bytes OSI layer 2 address which is burned into every networking device that provides its unique identity for point to point communication.
(67) is a professional organization of individuals in multiple professions which focuses on effort on lower-layer protocols.
(68) functions with two layers of protocols. It can connect networks of different speeds and can be adapted to an environment as it expands.
(69) is the popular LAN developed under the direction of the IEEE 802.5.
(70) is the popular backbone technology for transmitting information at high speed with a high level of fault tolerance which is developed under the direction of ANSI.

A．The MAC address

B．The IP address

C．The subnet address

D．The virtual address

根据我国《税收征收管理法》的规定，对扣缴义务人应扣未扣的税款，下列选项中，做法不正确的是（）。

A．由税务机关向纳税人追缴税款

B．由税务机关向扣缴义务人追缴税款

C．对扣缴义务人处以应扣未扣税款50%以上3倍以下的罚款

D．对纳税人处以应扣未扣税款50%以上3倍以下的罚款

与IPv6有关的IETF工作组有（）

A.IPng工作组

B.V6ops工作组

C.MIP6工作组

D.MULTI6工作组