复形相对单形显得丰富、______,因此它常作为独立形象出现。
参考答案:完整
—Ann, I am worried I’m getting fatter. What shall I do?
—I think you should eat________food and do more exercise.
A.more
B.less
C.much
D.little
发动机做功顺序的安排原则是什么?