— Although she sometimes loses her temper, her students like her no less.

— That’s it. _____ , she is really a good teacher.

A．At all

B．In all

C．Above all

D．After all

全身用氟预防龋齿研讨会上，专业人员就各种措施和方法进行探讨，而后讨论的是学校饮水加氟。

学校饮水加氟可以不必考虑（）。

A.当地是否饮水加氟

B.是否会产生氟牙症

C.当地是否后高氟区

D.当地是否有氟污染

E.以上都不必考虑