单项选择题

The jobs of wildlife technicians and biologists seemed ______to him ,but one day he discovered their difference.

A．identical
B．vertical
C．parallel
D．specific
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单项选择题
I’’d rather you ______those important documents with you.
A．don’’t
B．didn’’t take
C．won’’t take
D．not take
单项选择题
A．whoseB．whichC．whatD．who
A．whose
B．which
C．what
D．who
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