单项选择题

PROFUNDITY:

A．superficiality
B．apprehension
C．falsity
D．unity
E．brevity
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单项选择题
According to the passage, scientists have positively confirmed that the brains of narcoleptics differ from those of normal brains in which of the following ways
A．Narcolepticbrainstendtoremovedegenerativetissueatamoreprolificratethanthatofnonnarcoleptics.
B．Narcolepticsarelessresponsivetodrugswhichtreatneuralautoimmunedysfunctionthanarenonnarcoleptics.
C．Nonnarcolepticsdonotpossessthesameneurologicalimmuneantigensasnarcoleptics.
D．Neuronsthatcontrolmuscletonearedamagedinthebrainsofnarcoleptics,butnotinthoseofnon-narcoleptics.
E．Narcolepticsexperiencegreaterneuraldegenerationasaresultofagingthandononnarcoleptics.
单项选择题
The passage supplies information to answer which of the following questions
A．Whichspecies,humanordog,hasgreaternumbersoftheneurotransmittersthathavebeenhypotheticallylinkedtonarcolepsy
B．Atwhatagedohumanbeingsfirstexperiencethedegenerativeeffectsofnarcolepsy
C．Whatroledohumanleukocyteantigensperformforthehumanimmunesystem
D．WhydidHondainitiallysuspectthatHLAsplayedaroleinnarcolepsy
E．Whichoftheresearchersnamedinthepassageisolatednarcolepsyasadistinctsyndrome
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