1月份销售额与利润之比是多少()
A.1∶2
B.2∶1
C.1∶5
D.5∶1
参考答案:D
Thanks for the photo ________ your family. [ ]
A. of
B. for
C. with
D. to
时钟指示2点15分,它的时针和分针所成的锐角是多少度?()
A.45度
B.30度
C.25度50分
D.22度30分