Question

(2007·辽宁)

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

[　　]

A．limit

B．lack

C．need

D．demand

Answer 1

答案：B
解析：

a lack of"缺乏"。句意：健康问题与不良的饮食习惯和缺少锻炼密切相关。