—What do you think of her performance?   

—Wonderful．____heard a ____voice．

A．I have never, good

B．Have I never, better

C．Hardly have I, good

D．Hardly have I, better

在发动机2000转/分运转时压力表的读数高压应为（）

A、216-512千帕

B、512-1274千帕

C、1274-1596千帕

D、1596-1600千帕