支气管哮喘发作时应采用()
A.端坐位
B.俯卧位
C.头高脚低位
D.仰卧位
E.半坐卧位
参考答案:A
The reason_________ he was late for work was_________ he didn’t get up early.
A.for, because
B.which, because
C.why, that
D.for, that
强直性脊柱炎的发病与哪些因素有关()
A.链球菌感染
B.肺炎克雷白杆菌
C.HLA~B27
D.肠道细菌感染
E.雌激素水平升高