What began with the invention of the telephone in 1876 has today become a global net of cables, satellites, transmitters, and receivers that enables half the population of the planet to exchange works, data, and images in seconds. It could take less than 25 years more to give the other half of the world’s people this same power.
The unified global telecommunications system, which is called "the Meganet", represents the greatest construction project ever undertaken. If present trends continue, by early in the 21st century the Meganet will link every computer terminal, fax machine, databank, and telephone instrument on earth.
Unlike its anarchic (无政府主义的) cousin the Internet, which evolved from free interaction among interest groups of computer users. the Meganet of local telephone service, long-distance lines, communications satellites, and mobile relays has been planned, constructed, regulated and largely sponsored by governments and for-
A. unguarded
B. unchecked
C. unidentified
D. unwarranted
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{{B}}Will Quality Eat up the US Lead in Software {{/B}} If US software companies don’t pay more attention to quality, they could kiss their business good-bye. Both India and Brazil are developing a world-class software industry. Their weapon is quality and one of their jobs is to attract the top US quality specialists whose voices are not listened to in their country. AIready, of the world’s 12 software houses that have earned the highest rating in the world, seven are in India. That’s largely because they have used new methodologies rejected by American software specialists. For example, for decades, quality specialists, W. Edwards Deming and J. M. Juran had urged US software companies to change their attitudes to quality. But their quality call mainly fell on deaf ears in the US — but not in Japan. By A. India. B. The US. C. Brazil. D. Germany. [判断题]站厅非付费客流控制启动条件：站台候车乘客超过付费区可容纳人员2/3，持续时间预计超过30分钟以上。
A.正确 B.错误 [判断题]CRH5型动车组车门开启过程中,如可伸缩踏板未处于正确位置,则车门无法开启。( )
A.正确 B.错误 [判断题]倒流防止器包含两个隔开的止回阀和一个安全泄水阀。
A.正确 B.错误 [判断题]使用电台通话时，凡涉及保密的通信内容，必须使用密语。( ) （难）（基础知识）
A.正确 B.错误 我来回答: 提交
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