《城镇国有土地使用权出让和转让暂行条例》规定,教育、科技、文化卫生、体育用地使用权出让的最高年限为( )。
A.30 B.40C.50 D.60
参考答案:C
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.materials
B.words
C.information
D.news
为把2008年奥运会真正办成“绿色奥运”,北京的措施之一是将废水处理作为再生水回用。“废水不废”,体现的唯物辩证法的观点是()
A.事物是一分为二的,矛盾双方在一定条件下可以转化
B.改造世界要正确的发挥人的主观能动性
C.内因是事物发展的根据
D.科学理论对实践有重大的指导作用