问题
选择题
People have realized that they should go on __ balanced diet and do _____ exercise every day.
A．a; /
B．the; an
C．the; the
D．/; an
答案
答案：A
考查冠词。固定词组do exercise锻炼；go on a balanced diet有平衡的饮食；句意：人们已经意识到他们应该有平衡的饮食经常锻炼。
