题目

She spent all her spare time learning the courses, or she________ the first place in her school in the 2010 College Entrance Examination. A. wouldn’t take     B. wouldn’t have taken     C. hadn’t taken     D. couldn’t take 答案:B(本小题满分12分) 已知函数, (I )要使在(0, 1)上单调递增,求a的取值范围; (II) 当a〉0时,若函数的最小值和最大值分别为1、,试求函数的解析式; III 若时,图像上任意一点处的切线倾斜角为,当.时,求a的取值范围
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