After receiving the news, immediate ______ was taken by the local government to stop the disease spreading.
A:measure
B:adventure
C:action
D:activity
下列各句中没有语病的一句是( )
、某物体经凸透镜在光屏上得到一个像, 现将透镜上部遮住不让光通过,则屏上的像( )
使用显微镜对光时,下列哪些结构应在同一条直线上( )