She doesn’t plan her days. She watches TV ______ evening and changes channels ______ few minutes. So for her this summer just means another boring vocation.

A．in; every

B．every; every

C．every; each

D．every; in

气体分馏装置发生停热源的情况，下列哪项处理是正确的（）。

A、装置正常停工

B、装置紧急停工

C、装置维持操作

D、短时间内维持操作，时间长则正常停工