The ARPANET (66) ( the rules of syntax that enable computers to communicate on a network) were originally designed for openness and flexibility, not for (67) The ARPA researchers needed to share information easily, so everyone needed to be an unrestricted "insider" on the network. Although the approach was appropriate at the time, it is not one that lends itself to today’s commercial and government use.
As more locations with computers (known as (68) in Internet parlance)joined the ARPANET, the usefulness of the network grew. The ARPANET consisted primarily of university and government computers, and the applications supported on this network were simple: electronic mail ( E - mail), electronic news groups, and (69) connection to other computers. By 1971, the Internet linked about two dozen research and government sites, and researchers had begun to use it to exchange (70) not directly related to the ARPANET itself. The network was becoming an important tool for collaborative research.

A．protocols

B．statute

C．law

D．enactment

政府提供公共服务所需的资源来自于公民交纳的赋税，而赋税是一种以国家暴力为______的财政分配关系，这就使得政府与公民之间既有可能良好合作，也______着某种对抗的潜在的可能性。 如果政府施政不当，不能造福于民，这种潜在的对抗就有可能转化为现实对抗。因此，即使只是作为对纳税人慷慨奉献的回报，政府也应该承担起向人民提供良好公共服务的______来。

A．依靠 包含 义务

B．依托 隐含 职责

C．依托 隐含 责任

D．依靠 包含 责任