评价药物安全性的药物治疗指数可表示为
A、ED95/LD5D
暂无解析
Youmustberesponsibleforallthelosses____fromyourdelayinopeningthecoveringL/C.
Onaverageabout£5000ayearisspentoneachprivateschoolpupil,_______theamountspentonstateschoolpupils.
邓小平在《西南区新闻工作会议上的报告》中,把“拿笔杆子”看作是()。
EveryoneknowsthatChina’sBristlesareofsuperiorquality______thosefromothercountries.
MoststormsoccurbetweenAugustandOctober,andearlySeptemberistheriskiestperiodfor______storms.