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直线与圆一、平面直角坐标系（Ⅰ）选择题：（１）Ａ（２）Ｄ（３）Ｃ（４）Ｃ（Ⅱ）填空题：（１）Ｑ（３，５）（２）（０，－２３），（－１，－２）（３）１３（Ⅲ）解答题：（１）略解：１°若Ｃ是ＡＢ的内分点时，则λ＝ＡＣＣＢ＝２由定比分点坐标公式解得：ｘ＝７...
(1) A (2) D (3) C (4) C (Ⅱ) Cloze: (1) Q (3,5) (2) ( 0, -23), (-1, -2) (3) 13 (III) Solution Problem: (1) Solution: 1 ° If C is the inner point of AB, then λ = ACCB = Coordinate formula to solve: x = 7 ...