题目

Many people have come to realize that they should go on_____balanced diet and makeroom in their day for exercise. A. a; /       B. the; a         C. the; the          D. /; a   答案：Aa balanced diet泛指“一种平衡的饮食”；make room为固定搭配，意为“腾出空间”。从一个方向观察一个长方体,最多能同时看到（____）个面。