其治法为
A．补肾养血，强腰壮骨B．养血活血，化瘀祛湿C．养血祛风，散寒除湿D．养血益气，温经通络E．以上都不是
参考答案：C
Scientists are convinced ______ the positive effect of laughter ______ physical and mental health.
A．of；at
B．by；in
C．of；on
D．on；at
对急性胰腺炎诊断有价值的血清淀粉酶指标是（Somogyi法）（）
A.大于60U
B.大于120U
C.大于250U
D.大于320U
E.大于500U
