气体灭火系统进场检验抽样检查有1处不合格时，应()抽样，()抽样仍有1处不合格判定该批为不合格。

A.再次，再次

B.加倍，加倍

C.全部，全部

D.50%，50%

Professor Wang _______to give us a talk next week.

――Really ? That is good news .

A．will invite

B．is going to invite

C．will be invited

D．has invited