钩端螺旋体病预防综合措施中最主要的是()
A.灭田鼠
B.圈猪积肥,加强犬的管理
C.改造疫源地,防止洪水泛滥
D.预防接种多价菌苗
E.做好个人防护
参考答案:D
A building was ____ in a fire in Hengyang, making 20 firefighters killed and about 16 people ____.[ ]
A. tore down; wounded
B. burned down; injured
C. put down; harmed
D. knocked down; hurt
先天性巨结肠钡灌肠检查,下列正确的是()
A.钡剂最好用纯水调制
B.先用肥皂水灌肠
C.肛管不宜插入过高
D.灌肠时钡剂尽量多
E.检查完嘱患者自行排便后复查