蛔虫病的传染途径是()
A.空气飞沫
B.虫媒
C.母婴垂直途径
D.呼吸道
E.通过消化道
参考答案:E
Danny is tired, he walks ____________ and ____________.[ ]
A. slow, slow
B. slowlier, slowlier
C. slower, slower
D. slowly, slowly
脑复苏的主要措施包括_________、________、_______、_________