2．Scientists have found that heavy drinking can cause _______ brain damage in teenagers，which may never recover．（　　）
A．permanentB．addictedC．obviousD．diverse

分析 科學(xué)家已經(jīng)發(fā)現(xiàn)青少年時期大量飲酒會導(dǎo)致大腦的永久損傷，這可能永遠(yuǎn)不會康復(fù)．

解答 答案 A 
根據(jù)題意：科學(xué)家已經(jīng)發(fā)現(xiàn)青少年時期大量飲酒會導(dǎo)致大腦的永久損傷，這可能永遠(yuǎn)不會康復(fù)．可知，此處應(yīng)該使用permanent 永恒的．a(chǎn)ddicted 上癮的；obvious明顯的；diverse 各種各樣的；故答案為A．

點評 本題考查形容詞詞意辨析，需要考生多積累詞匯，讀懂句意作出準(zhǔn)確選擇．

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