If you come to Hangzhou, you shouldn’t miss the show Impression West Lake! It is created by the famous director Zhang Yimou, and the actors’ performance __________on the water of the West Lake.

A．will be shown

B．showed

C．is shown

D．is showing

光路与流路校正的主要目是确保（）。

A.激光光路稳定

B.样品流稳定

C.激光光路与样品流处于正交状态

D.荧光光光路与样品流处于正交状态

E.散射光光路与样品流处于正交状态