外用攻毒杀虫、蚀疮去腐,内服截痰平喘、截疟的药物是()
A.轻粉
B.砒石
C.升药
D.炉甘石
E.铅丹
参考答案:B
排水盖重法是处理土坝坝体渗漏的一种方法。
The survey shows that speed___ at least 30% percent of road traffic deaths.
A.results in
B.results from
C.lies in
D.suffers from