問題詳情

A person’s genetic make-up certainly has something important to do with his subsequent behavior. But genes (26)their effects through the brain. If you want to predict and control a person’s behavior, the (27) is the place to start.Over the course of the next decade, scientists may be able to predict, (28) examining a scan of a person’s brain,not only whether he will tend to mental sickness or health, but also whether he will tend depression or violence.Neural implants may within a few years be able to increase intelligence or (29) speed up reflexs. Drug companiesare hunting(30) molecules to assuage brain-related ills, from paralysis to shyness.
26.
(A)exert
(B)assure
(C)counteract
(D)encounter

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