【单选题】I have a ping-pong ball, __________I don't have a ping-pong bat. [ ]
【单选题】窄带ISDN技术,对于普通家庭用户其最高速率为()bit/s
【单选题】—Let's play ping-pong. —_____ Let's go. [ ]
A.
I don't have a ping-pong bat
C.
Sorry, I don't like it
【单选题】—I like playing sports. Let's play _____ . —It sounds _____ . [ ]
【单选题】以下______不是心电图机设计中常用的提高CMRR的技术。
【单选题】I often ______________ on Sundays. [ ]
【多选题】计算速动比率时,扣除存货项目是因为( )
【单选题】I _ playing ping-pong. [ ]