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
We saw many people wait for the bus______.[ ]
A. at the bus stop
B. in the way
C. on the way
D. by the way
腹水属于哪种液体,一般为多少毫升,起润滑作用,正常腹膜每天最多可从腹腔吸收多少毫升水()
A.组织间液,100~150ml,910ml
B.淋巴液,50~100ml,500ml
C.腹腔内液,200~300ml,1000ml
D.体腔内液,250~350ml,1500ml