I think it's bad for your health to eat _____ food and take _____ exercise.       

A. less; more              

B. more; less

C. fewer: more              

D. little; much

偏头痛的常见特点不包括()

A．恶心与（或）呕吐

B．对光和声敏感

C．体力活动时加重

D．单侧

E．发热