A.可靠性
B. 精准性
C. 灵活性
D. 经济性
第2题
Each user of E-mail has a()to which messages are sent.
A. email identity
B. mailbox
C. attachment
D. password
第3题
The operation of the Web relies primarily on hypertext as its means of() .
A. access of internet
B. information retrieval
C. image delivery
D. home page
第4题
one of the best mesurements for what sells well on the Internet is ()
A. common sense
B. technology
C. quality
D. marketing
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