The additive primary colors of additive color theory include（ ）.
A: Blue
B: Green
C: Red
D: Purple
A: Blue
B: Green
C: Red
D: Purple
举一反三
- In the color circle, a primary color and the corresponding secondary<br/>color (such as red and green, yellow and purple, blue and orange) are<br/>called ( ). A: Intermediate colors B: Three primary colors C: Compound colors D: Complementary colors
- Which color indicates the harmony between nature and human-beings? A: red and green or blue B: dark blue and yellow or brown C: blue and red or orange D: black and purple or pink
- About CMYK color model, which of the following statements is true: A: The CMYK model is used for color printing. B: Black belongs to the three primary colors of CMYK color model. C: Red belongs to the three primary colors of CMYK color model. D: Green belongs to the three primary colors of CMYK color model.
- 下面对枚举变量的定义中，正确的是( )。 A: enum color {red, blue, grenn} a, b; B: enum color={red, blue, green} a,b; C: enum color={"red", "blue", "green"} a, b; D: enum color {red, blue, green} a, b;
- 假设定义了：enum color {red=1, orange, yellow, green ,blue, purple, black};则blue的值是（