江西省赣通卡均与车辆的（）进行了绑定，防止赣通卡换卡逃费。
A.车牌
B.车型
C.赣通卡号
D.车辆颜色
参考答案：A, B, C
Out of the crowded bus ______, who was dressed in a black suit, waving to a woman.
A．a tall man stepped
B．stepped a tall man
C．did a tall man step
D．a tall man did step
打开一个数据库的命令是______。
A．USE
B．USE DATABASE
C．OPEN
D．OPEN DATABASE
