因特网中大量的应用采用了______工作模式,因而网络中有许多各种不同用途的服务器。
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Rather than enhancing a country"s security, the successful development of nuclear weapons could serve at first to increase that country"s ______.
A. boldness
B. influence
C. responsibility
D. vulnerability
用户可以根据自己的喜好选择收看电视节目,这种从根本上改变用户被动收看电视的技术称为______技术。
An investigation that is ______ can occasionally yield new facts, even notable ones, but typically the appearance of such facts is the result of a search in a definite direction.
A. timely
B. unguided
C. consistent
D. uncomplicated
The ancient city of Pompeii lay ______ in the shadow of Mount Vesuvius for more than 1,700 years under a deep layer of volcanic
A. titled
B. unconscious
C. buried
D. despairing