C语言指令 ，定义了一个值为0XFD的符号常量Light1。

There are several descriptions about the relationship between Fill Light and light ratio, which one is correct? A: As Fill Light is brighter, the light ratio is smaller. B: As Fill Light is brighter, the light ratio is larger. C: There is no relationship between Fill Light and light ratio D: As Fill Light is darker, the light ratio is larger.

If bright part is F11 and dark part is F8 metered by light metering, there is one aperture between the bright part and dark part. The light ratio between the bright part and the dark part is ______. A: 2:1 B: 4:1 C: 1:4 D: 1:2

This computer ______ as an iPad. A: almost as light was B: was almost as light C: was as light almost D: D. light as almost was

中国大学MOOC: Part I (Note-taking)Directions: Listen to a talk about light and health. Take notes and complete the following summary.Can Light Affect Your Health? Many researchers believe that light can affect both your physical and your （1） .

Light meter has many types. Which one is Independent light meter? A: reflected light meter B: pointer light meter C: Digital LCD Light Meter D: incident light meter

Many researchers believe that light can affect both your physical and your （1） .

What does the woman think the light does? A: The light bounces off things. B: The light moves very fast. C: The light shines on things and light them up. D: The light moves from one thing to another.

Unity提供了那几种光源（ ） A: Area Light B: Point Light C: Spot Light D: Dierctional Light

In the title of the text “The Light of Depression”, “light” may NOT be interpreted as ____ A: the lights of the city B: the light of a new experience C: the light that painted color into her life D: the light that illuminated her life