含肾上腺素的利多卡因行局部浸润麻醉,一次最大剂量是()
A.200mg
B.300mg
C.400mg
D.500mg
E.600mg
参考答案:D
The job is great _________ salary. It has its disadvantages, though..
A.in case of
B.as a result of
C.in terms of
D.except for
下列金属解毒剂中,尤以铅中毒疗效好的是()。
A.二巯基丙醇
B.二巯基丁二酸钠
C.依地酸钙钠
D.硫代硫酸钠
E.亚甲蓝