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问题 多项选择题

税控发票开票系统2.0版本，购方纳税人在开具了红字信息表并审核通过后，可以下载该信息表的是（）；可以开具红字发票的是（）

A.购方；购方；

B.购方；销方；

C.销方；购方；

D.销方；销方；

答案

参考答案：B, D

单项选择题

Networks can be interconnected by different devices. In the physical layer, networks can be connected by (11) or hubs, which just move the bits from one network to an identical network. One layer up we find bridges and switches, which operate at data link layer. They can accept (12) ,examine the MAC address, and forward the frames to a different network while doing minor protocol translation in the process. In the network layer, we have routers that can connect two networks. If two networks have (13) network layer, the router may be able to translate between the packer formats. In the transport layer we find transport gateway, which can interface between two transport connections. Finally, in the application layer, application gateways translate message (14) . As an example, gateways between Internet e-mail and X.400 e-mail must (15) the e-mail message and change various header fields.

（13）是（）

A.special

B.dependent

C.similar

D.dissimilar
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选择题

在央视2005年春节联欢晚会上，《千手观音》节目的21位聋哑舞蹈演员，创造了一个让人为之震撼、庄严纯净的意境。主创人员把舞蹈的主题定为“爱”与“善”：如果你伸出一千只手去帮助别人，那么别人也会伸出一千只手来帮助你。这一主题诠释了(  )

A．个性寓于共性之中

B．人的社会性制约着人的自然性

C．个人与社会的辩证关系

D．实现人生价值需要社会提供一定条件
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