以下哪种头痛可表现为空痛的特点
A.脾虚头痛
B.风湿头痛
C.肾虚头痛
D.气虚头痛
E.血虚头痛
参考答案:C
某地短时间内发生一批症状相似的病人,病例数明显超过预期数量,并有共同传播来源,这种情况称为 ()
A.疾病的短期波动
B.散发
C.暴发
D.大流行
E.地方性流行
A quarrel________, which made him________his family.
A.was broken out; break away
B.broke out; break away from
C.was broken away; break down
D.broke down; break out