单项选择题


A．unless
B．since
C．lest
D．although
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单项选择题
A．gatheredB．speededC．workedD．picked
A．gathered
B．speeded
C．worked
D．picked
单项选择题
A．by means ofB．in terms ofC．with regard toD．in line with
A．by means of
B．in terms of
C．with regard to
D．in line with
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