10．Obama，         president of the USA，is trying to help the Americans suffering from Wall Street crisis make the         needed to re-balance their lives．（　�。�
A．a；changeB．the；improvementC．/；decisionD．/；adjustment

分析 奧巴馬，美國總統(tǒng)，正在努力地幫助深受華爾街危機影響的美國人做出必要的調(diào)整來重新恢復（平衡）他們的生活．

解答 答案：D．
第一個空表示特指美國的總統(tǒng)，所以用定冠詞the；第二個空構(gòu)成一固定短語make the adjustment作出調(diào)整；故選D．本句中Obama為句子的主語，the new president of the USA，主語的同位語，謂語部分中包含重要結(jié)構(gòu)是help sb do sth，其中suffering from Wall Street crisis 為現(xiàn)在分詞短語作后置定語，修飾the Americans；needed為過去分詞作后置定語，修飾the adjustment；to re-balance their lives這是不定式做目的狀語．

點評 對于冠詞要注意他們的所指是泛指還是特指，并根據(jù)句子的意思來做出最后的判斷．

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