单项选择题


If you need to ship something 300cm long within US, which service can you choose ？（）

A．Shipment in less than 1 day.
B．Shipment in 1 or 2 days.
C．Shipment in 3 days.
D．Shipment in more than 3 days.

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单项选择题
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单项选择题
One advantage of Passfaces over a password is that （）.

A．it is easier to remember
B．it is more complicated
C．it takes less time to log in
D．it allows one to write less
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