以下局部麻醉药毒性最大的是()
A.0.1%普鲁卡因1OOml
B.2%普鲁卡因25ml
C.0.5%普鲁卡因50ml
D.0.8%利多卡因1Oml
E.1%利多卡因5ml
参考答案:B
It is _______ that the pork with the “lean-meat powder”(瘦肉精)has been widely _______ all over the country.
A.terrifying; distributed
B.terrified; negotiated
C.terrifying; distinguished
D.terrified; discriminated
氨基糖苷药物对哪类细菌有效()
A.G+球菌
B.G+杆菌
C.G-球菌
D.G-杆菌
E.G++G-菌