1999年我国对HP感染临床诊断达成共识,下列哪项可诊断()
A.尿素酶依赖试验
B.免疫学检查
C.悬滴试验
D.HP染色或组织学染色
E.治疗性诊断
参考答案:A, D
Your usual teacher has lost his voice and()I am taking his place today.
A. nevertheless
B. however
C. moreover
D. accordingly
以下材料消耗定额计算正确的是()。
A.材料消耗定额=材料消耗总用量×(1+损耗率)
B.材料消耗定额=材料消耗净用量×(1+损耗率)
C.材料消耗定额=材料损耗量×(1+损耗率)
D.材料消耗定额=材料消耗量×(1+损耗率)