It is believed that health problems are closely connected with bad eating habits and a of exercise.
A. limit
B. need
C. lack
D. demand
网友回答
A. limit
B. need
(答案→)C. lack
D. demand
解析：考查名词辨析。题意为：人们相信健康问题与不良的饮食习惯和缺乏锻炼有密切联系。limit “限制”；need“需要”；lack“缺乏”；demand“需要”。
【标签】名词辨析