The study used brain images taken at Brookhaven National Laboratory in New York State. Jack Wang is chairman of the Brookhaven medical department. He says the finding might also help explain why people with A．D.H.D.are more likely to abuse drugs or overeat. He says they might be attempting to increase their dopamine levels to make up for the deficits in their reward system.

　　Title ●The Finding of 1.__________

　　The 2.____________ of children with A．D.H.D. ●They are lacking in 3.________. ●Perhaps they don’t seem to listen.

　　●Perhaps they are 4.________.

　　●Perhaps they can’t sit for 5.________ or play quietly.

　　●They might talk too much，act and speak without 6.________ the results of their behavior.

　　The 7.________ of A．D.H.D. ●Patients with A．D.H.D.are 8.________ of brain’s reward. ●Levels of some proteins are lower than normal.

　　●Levels of dopamine are 9.________ as well.

　　Reasons of abusing drugs ●They are trying to 10.____________ their dopamine.

　　课堂活动区

　　1．adoption；adopted

　　活学活用

　　(1)①adopted　②adopts　③adopted

　　(2)B　[句意为：……她不得不把她的小儿子交给他的叔叔收养。]

　　2．direct

　　活学活用

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