单项选择题

All the following are advantages of e-mail message over v-mail message except ______.

A．more certainty
B．quicker delivery
C．greater accuracy
D．greater ease in composition
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单项选择题
By saying that using the computer for interpersonal communication was a reinvention (in the second paragraph), the author means that ______.
A．the use of an v-mail represented a big leap in computer application
B．the computer technology was readily adaptable to recreational activities
C．computer-to-computer information had to be digitalized before it was sent out
D．the computer had to go through big technological innovations before it was used for interpersonal communication
单项选择题
The passage is mainly about ______.
A．the latest developments in computer technology
B．public attitude towards the use of e-mail and v-mail
C．the criteria for determining public preference to e-mail or v-mail
D．the advantages of e-mail over v-mail as a means of communication
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