题干
Your lifestyle is not healthy. I think you need to ________
A：exercise more and eat more
B：exercise less and eat less
C：exercise less and eat more
D：exercise more and eat less
答案(点此获取答案解析）
D
是定义域为R的奇函数，
,
的图象如图所示。若两正数
满足
，则
的取值范围是( )