Horton Point Light（）.
A: is 14 feet above sea level
B: has a fixed green light
C: is shown from a white square tower
D: is synchronized with a radio beaco
A: is 14 feet above sea level
B: has a fixed green light
C: is shown from a white square tower
D: is synchronized with a radio beaco
举一反三
- If the red object is illuminated with green light it appears<br/>________. A: black B: red C: green D: white
- I toldnot to hurt her feelings. A: once in a blue moon B: a white lie C: the green light D: green with envy
- Bruno has got_ A: blue eyes, fair skin, light brown hair, and he is six feet tall B: brown eyes, fair skin, dark hair, and he is six feet seven inches tall C: brown eyes, pale white skin, dark hair, and he is six feet tall D: blue eyes, darkish skin, light brown hair, and he is six feet seven inches tall
- Unity提供了那几种光源（ ） A: Area Light B: Point Light C: Spot Light D: Dierctional Light
- The color of food is the color of ( ) after reflecting white light in nature. A: complementary light B: cold light C: infrared light D: UV-light