—What should we________ the old books?

—Let’s ask our teacher how to________ them.

A．do with; do with

B．deal with; deal with

C．deal with; do with

D．do with; deal with

下述哪个心律失常，可作为确诊器质性心脏病的依据

A．完全性右束支传导阻滞

B．阵发性房颤

C．二度Ⅰ型房室传导阻滞

D．以上都不对