单项选择题

A．sufficient
B．efficient
C．proficient
D．deficient
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单项选择题
A．On account ofB．Regardless ofC．By means ofD．With regard to
A．On account of
B．Regardless of
C．By means of
D．With regard to
单项选择题
A．prevailingB．profoundC．precautionaryD．progressive
A．prevailing
B．profound
C．precautionary
D．progressive
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