单项选择题

Writing is a slow process,requiring plenty of thought, time and effort。

A．significant
B．considerable
C．enormous
D．numerous
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单项选择题
Jack eventually overtook the last truck.
A．hit
B．passed
C．reached
D．led
单项选择题
You can turn to different kinds of people, dictionaries or maps, to find out what you wish to know.
A．contact
B．consult
C．refer
D．request
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