对调查人群乙脑免疫水平有重要价值的血清学试验是()
A.补体结合试验
B.血凝抑制试验
C.特异性IgM检查
D.中和试验
E.反相间接血凝试验
参考答案:D
A headache is not a disease, but it shows that _______ in your body is wrong. [ ]
A. anything
B. something
C. everything
海上保险合同主要包括哪些内容?