皮皮学，免费搜题
登录
搜题
【单选题】
关于头孢曲松的叙述，下列哪项是错误的？A.
半衰期短
B.
对革兰阴性菌作用强
C.
对β-内酰胺酶有较高稳定性
D.
对肾脏基本无毒性
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】New research from Princeton University in New Jersey found something else special about how s — in this case mothers — speak to their very young children. “ We found for the first time that mothe...
【简答题】In this case, clean the contacts of the program card with a lint-free cloth soaked in methylated spirits and re-insert the card in the slot.
【单选题】In a central cooling system, used in some modem ships, sea water is supplied to cool _____ which will circulate to other individual cooler, greatly reducing the corrosion problems.
A.
main bearings
B.
sea water
C.
cooling oil
D.
lower temperature fresh water
【简答题】A central heating and cooling produces warm or cool air in one central area and distributes it throughout the building
【单选题】As an alternative to the conventional seawater cooling system, is based on principles about cooler locations, （）flow control and preheating, but with a central cooler and one additional set of pumps（）...
A.
the central cooling system, different
B.
the central cooling system, the same
C.
the open cooling system, different
D.
the open cooling system, the same
【简答题】Please introduce the central cooling system.
【简答题】试述供应商关系管理应遵循的原则
相关题目：