题目内容
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[主观题]
It can be inferred from the passage that ______.A．scientists have discovered the working m
It can be inferred from the passage that ______.
A．scientists have discovered the working mechanism of the nose
B．humans detect odors with a large number of receptors responsive to the odorous molecules themselves
C．the receptors integrate various responses to the characteristics of an odor and store them in the brain
D．e-noses operate on principles totally different from those of a real nose
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