Health problems are closely connected with bad eating habits and a of exercise.

Health problems are closely connected with bad eating habits and a _______ of exercise.

A.limit                         B.lack                          C.need                         D.demand

试题答案

B

解析:

lack 意为“缺乏”。根据常识可判断出健康问题与坏的饮食习惯和缺乏锻炼有关。limit意为“限制”；need意为“需要”；demand意为“要求,需求(量),需要”。