题目

 A child who lives in an uninteresting environment will develop less intelligence than ______ who lives in a rich and changing environment. A. the one           B. one                 C. those              D. that 答案：B10．为了研究高中学生对某项体育活动的态度（喜欢和不喜欢两种态度）与性别的关系，运用2×2列联表进行独立性检验，经计算得K2≈6.84，则有（　　）以上的把握认为“喜欢体育活动与性别有关系”．P（K2≥k0）0.1000.0500.0250.0100.0050.001k0）2.7063.8415.0246.6357.87910.828A．0.1%B．1%C．99%D．99.9%