Value refers to the relative degree of ______________or darkness of a surface or a color

Cheat out is when

A. scenery is quickly flown in or out of the stage space. B. actors avoid turning their backs completely toward the audience by remaining on an angle. C. actors exit through the aisles of the theatre. D. when an actor is flown off stage using a me?chane?.

Chinese opera sets are generally extravagant

Indicate whether the statement is true or false