【单选题】In ancient China, the rich usually wear colorful clothing ,like yellow, blue, whiter, red, black, while the poor ,they usually wear _____ and ______.
【简答题】完形填空。 Different things usually stand for different feelings. Red, for example, is the color of fire, heat, blood and life. Red is used for signs of 1 , such as STOP signs and fire engines. Orange is t...