19. Proper lightening is necessary for good eyesight, ________ human night vision can be temporarily damaged by extreme flashes of light.
举一反三
- In the plan of light layout,Fill Light______. A: We can only use one lamp as Fill Light. B: We can use two lamps as Fill Light. C: We put Fill Light on the place relative to Key Light to illuminate subjects. D: We should lay out Fill Light closer to camera.
- 83. A light signal consisting of three flashes means______
- 1. ______reflector can produce natural and light lights, so we usually use it to fill in light. A: Soft light B: Grey C: Silver D: White
- Read the following tongue twisters. There is no need to light a night light on a light night like tonight, for a bright night light is just like a slight fight.
- 3、 You can’t plug _____ the memory stick when the light is flashing. Otherwise, the system data may be damaged 。