第二部分:英语知识运用(共两节,满分45分) 第一节单项填空(共15小题;每小题1分,满分15分) 21. As we know, ______Potala Palace, a combination of Tibetan construction art and culture, is considered________precious treasure of China.
Many people have come to realize that they should go on ___balanced diet and make___room in their day for exercise.
a.a;/ B. the; a C. the; the D. /; a