更多"Satellite communications are so up-"的相关试题:
[单项选择]Satellite communications are so up-to-date that even when ________ in the middle of the Pacific, businessmen can contact their offices as if they were next door.
A. gliding
B. cruising
C. piloting
D. patrolling
[单项选择]
Convergence of satellite and terrestrial telephony is certain to deepen as the technical hurdles of multi-standard handset development and infrastructure integration fall.()
A. initiatives
B. obstacles
C. warnings
D. orders
[单项选择]The development of modem communications technology in developing countries may ______.
A. hinder their industrial production
B. cause them to lose control of their trade
C. force them to reduce their share of exports
D. cost them their economic independence
[单项选择]The development of modern communications technology in developing countries may ______.
A. force them to reduce their share of exports
B. cost them their economic independence
C. hinder their industrial production
D. cause them to lose control of their trade
[单项选择]Communications technology factors that can affect the project include all of the following EXCEPT______.
A. the length of the project
B. the availability of technology
C. executive requirements
D. the urgency of the need for information
[单项选择]The rapid development of communications technology is transforming the ________ in which people communicate across time and space.
A. route
B. transmission
C. vision
D. manner
[单项选择]Which statement about Fibre Channel communications is correct?()
A. It operates much like TCP.
B. Flow control is only provided by QoS.
C. It must be implemented in an arbitrated loop.
D. Communication methods are similar to those of an Ethernet bus.
E. N_Port to N_Port connections use logical node connection points.
[单项选择]The introduction of satellite technology into television broadcast ______.
A. confirmed what Shakespeare said long ago
B. changed the way television news is handled
C. improved the sound effect of television news
D. initiated a shift of emphasis to international politics
[单项选择]The observation of weather conditions by satellites is advantageous be cause it ______.
A. uses electronic instruments
B. enables man to alter the weather
C. makes weather prediction easier
D. gives the scientist information not obtained readily otherwise
[单项选择]
Text 3
When the Federal Communications Commission proposed giving low-power radio stations licenses on the FM dial, they knew they’d get flak from big broadcasting. The National Association of Broadcasters (NAB), after all, ’spends millions of dollars every year lobbying to keep everybody else off the radio spectrum—even locally managed, noncommercial stations that broadcast only within a four-mile radius. Sure enough, when the FCC proposed its new regulations, the NAB began screaming about all the terrible things those tiny radio transmitters could do to the big ones, whose signals are 500 times as strong and whose reach is nearly 20 times as far.
It was a pretty thin argument. So thin, in fact, that for a while if appeared the proposed regulations might survive the lobbying onslaught. And then the FCC and its allies ran into a most unlikely opponent, one with the moral authority to do real damage to their cause: National Public Radio. On
A. opposition
B. anger
C. feedback
D. trouble