题目内容
（请给出正确答案）
[单选题]
If you need to access information and know where it is on the web, you only need ent
A. address
B. computer
C. http
D. Unifrom Resource Loactor field
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更多“If you need to access informat…”相关的问题
第1题
()provides a third party payment mechanism for buyers and sellers to settle a transaction.
A. auctioner
B. salesman
C. broadcaster
D. Transaction broker
第2题
the main advantage of the electronic exchange of information between individual companies that are linked along the supply chian is ()
A. speed
B. accuracy
C. security
D. improved speed and accuracy
第3题
()is a point of entry to the web, usually a search engine that includes diversified content or services.
A. portal
B. classifieds
C. paid placement
D. contextual advertising
第4题
EC set a high demands on the responsiveness, flexibility, visibility,and optimization of().
A. sales activity
B. tractions
C. security system
D. logistics service
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