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(A) Current thinking points to genetics as the single strongest risk factor.
(B) They hope these genes will be targets for designer drugs that one day will strike at addiction with precision.
(C) The dopamine system also can be turned on by novelty.
(D) Animal evidence suggests that the more you take an addictive drug, the more dopamine receptors you wipe out.

答案:登入後查看
統計: A(1), B(1), C(3), D(9), E(0) #2994187

詳解 (共 2 筆)

#6058039
(D)選項可以從題幹‘‘Having f...
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#7221473
這是一個非常好的英語閱讀理解或語法結構題...
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