单项选择题

Mild electric current had been thought to______overactive brain regions that cause disease, but in some cases, it may boost nerves’ activity and change their firing patterns.

(A) elucidate
(B) damage
(C) alter
(D) stifle
(E) confuse
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单项选择题
Baudelaire saw the writer as a detached______, a mocking dandy in the big-city crowd, alienated, isolated, anonymous, and thus______.
(A) socialite…free
(B) wanderer … soulful
(C) trifler … irresponsible
(D) idler… melancholic
(E) socialite … unnoticed
单项选择题
A fool, especially if he has the misfortune of knowing anything, should______it as well as he can.
(A) conceal
(B) invalidate
(C) protect
(D) inspect
(E) improve
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