单项选择题

Most computer users have never received any formal keyboard training. _______, their keyboard skills are inefficient.

A．previously
B．Subsequently
C．Consequently
D．Successively
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单项选择题
The biography cited more than a hundred source books that the author had _______.
A．consulted
B．sought
C．inquired
D．inferred
单项选择题
A woman had a _______ escape yesterday when her car left the road.
A．slender
B．slim
C．slight
D．narrow
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