储蓄帐户不得办理下列（）业务。
A.转帐结算
B.现金存款
C.加办邮政储蓄卡
D.现金取款
参考答案：A, C
__________the Olympic Games is a great honor and a great responsibility for a country. [ ]
A. Hosting
B. Host
C. To host
D. Hosted
保持乳腺不断泌乳的关键是
A．产妇营养
B．新生儿吸吮
C．产妇的健康
D．体内激素水平
E．产妇的情绪
