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【简答题】
以抛物线y 2 =4x的焦点为圆心、2为半径的圆，与过点A（-1，3）的直线l相切，则直线l的方程是 ______．
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【简答题】听下面一段材料，回答第1-3题。 1.Whom is the woman disappointed in? A. The judges. B. The listeners. C. The speakers. 2. According to the woman, how did most of the listeners feel about the result of the competitio...
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