营业网点可受理哪些信用卡代办业务（）
A.领卡
B.领密码信封
C.挂失
D.收卡.销户
参考答案：A, B, C, D
He often ______ ping-pong with his friends. Now they ______ ping-pong at school.[ ]
A. play; are playing
B. plays; play
C. plays; are playing
D. plays; is playing
通过传播媒介，交易者能够及时了解期货市场的交易情况和价格变化，这反映了期货价格的（）。
A.公开性
B.周期性
C.连续性
D.离散性
