对疑似乙型脑炎病例的确诊主要依靠()。
A.体征
B.临床症状
C.血清学检查
D.流行病学调查
E.血常规化验结果
参考答案:C
Your friend _____ doesn't work hard asks you to help him cheat in the exam by looking at your paper.
A. who
B. whom
C. which
D. whether
对嗜铬细胞瘤的诊断有较大意义的是以下哪项检查()
A.尿17-羟皮质类固醇测定
B.血钾测定
C.腹膜后充气造影
D.尿24h VMA测定
E.基础代谢率测定