单项选择题

Which of the following most accurately describes the passage

(A) A description of a replicable experiment
(B) A summary report of new findings
(C) A recommendation for pursuing a new area of research
(D) A refutation of an earlier hypothesis
(E) A confirmation of an earlier research

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单项选择题

According to the passage, infralimbic neurons … fire to the tone only when rats are recalling extinction on the following day (lines 7-9) for which of the following reasons

(A) Extinction has not been proven to erase the memory of fear conditioning in rats.
(B) The extinction response requires a number of days to develop.
(C) The subject’s original fear response was not conditioned to a tone.
(D) The infralimbic cortices carry the memory of fear extinction.
(E) Rats that show the least fear demonstrate the greatest increase in infralimbic tone responses.

单项选择题

The primary impulse of each human being is to______himself, but the secondary impulse is to venture out of the self, to correct its provincialism and heal its loneliness.

(A) sully
(B) actualize
(C) reject
(D) declare
(E) withdraw