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
The enclosures of the 17th and 18th centuries meant that people were
A．no longer legally entitled to their own land
B．badly paid for the work they managed to find
C．not adequately compensated for the loss of their land
D．forced to look elsewhere for means for supporting themselves
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
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