下列条件中不能确定四边形ABCD是平行四边形的是 ( )
A:AB=CD,AD∥BC
B:AB=CD,AB∥CD
C:AB∥CD,AD∥BC
D:AB=CD,AD=BC
读比例尺为十万分之一的地形图(单位:m),完成下列问题.
— What's the matter? You are crying!
— Nothing serious. The film ________ me ________ the times when I was a child.
下列比例尺中,最小的是