IMPROMPTU: REHEARSED ::（）
A. venerable: winsome
B. revised: prescribed
C. rococo: ornamented
D. invented: inspired
E. honest: duplicitous
ABEYANCE:（）
A. discussion
B. excitement
C. continuance
D. certitude
E. obedience
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
NIL: QUANTITY ::（）
A. quandary: restriction
B. vacuum: matter
C. cipher: confusion
D. quorum: presence
E. paradox: truth
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