— What do you want to do?
— I want to a new chain.[ ]
A. to buy
B. buying
C. buy
答案:C
钩端螺旋体病的确诊依据
A.流行病学资料
B.典型临床表现
C.血清学检查
D.血培养
E.便培养
简述机关人事管理中考核的含义和方式。