单项选择题

A．It cannot contain any commercial information.
B．It may not be of a high level of security.
C．One can only use the free e-mail account at home.
D．It is difficult to get access to the website with such service.
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单项选择题
A．A strike that has been on for a year. B．The accuracy of economists’ prediction. C．The present economic situation. D．The man’s optimism.
A．A strike that has been on for a year.
B．The accuracy of economists’ prediction.
C．The present economic situation.
D．The man’s optimism.
单项选择题
A．Robert Cawdrey. B．John Kersey. C．Samuel Johnson. D．Daniel Webster.
A．Robert Cawdrey.
B．John Kersey.
C．Samuel Johnson.
D．Daniel Webster.
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