题型:问答题 简答题 某一病人,静注抗生素,此药t1/2为8小时,今欲使病人体内药物最低量保持在300g左右,最高为600g,可采用下列何种方案()A.200mg,每8小时1次B.300mg,每8小时1次C.400mg,每8小时1次D.500mg,每8小时1次E.首次600mg,以后每8小时给药300mg 查看答案
题型:问答题 简答题 We tried to stop the flames from spreading, but we knew it was ____.[ ]A. unusual B. enjoyable C. hopeful D. hopeless 查看答案