单项选择题

In the newly discovered gene, the change of a single unit of DNA converts the worm from a solitary forager into______diner.

(A) an intrepid
(B) a voracious
(C) a gregarious
(D) a nomadic
(E) a rapacious
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单项选择题
______by the surreality of history and the changes unleashed by the 60’s, many writers in that era became______, withdrawing, turtlelike, inside their own homes and heads.
(A) Repelled … baroque
(B) Disregarded … rococo
(C) Fascinated … inconspicuous
(D) Intoxicated… legant
(E) Flummoxed … unobtrusive
单项选择题
EXTEMPORIZE:
(A) establish peace
(B) lend support
(C) behave nervously
(D) keep updated
(E) use a screenplay
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