题目内容
(请给出正确答案)
[单选题]
business models have taken on greater importance recently as a form. of intellectura
A. password
B. system
C. patent
D. strategy
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A. password
B. system
C. patent
D. strategy
第3题
Each user of E-mail has a()to which messages are sent.
A. email identity
B. mailbox
C. attachment
D. password
第4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
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