单项选择题
A. The Association Between Color and Mood B. The Difference Between Color and Mood C. Mood’s Influence on Color D. Color’s Influence on Mood
A. Why it is necessary to identify people’s personality B. Why it is possible to describe people C. How to get to know people D. How best to recognize people
A. its original condition half a century ago B. its former state a few years ago C. a place without pollution at all D. the cleanest mountain in the world