一级预防的内容不包括()
A.全球性预防策略
B.健康促进
C.筛检
D.婚前卫生
E.儿童保健
参考答案:C
— You should say sorry to Bob.
— Yes, I regret ______ with him.
A.to quarrel
B.quarrelling
C.quarreled
D.have quarreled
房室模型(compartment model)