胶卷的底片尺寸为（）
A、36mm×24mm
B、60mm×60mm
C、17mm×13mm
D、28mm×28mm
参考答案：B
—It's time to do some sports.
—Let's _____ our sports shoes ! [ ]
A. put away
B. put up
C. put on
D. put down
ADR、ADL和0B0S既可以应用到个股，也可应用到综合指数。( )
