下列哪种标本最适合做尿胆原检验（）
A.随机尿
B.餐后2小时尿
C.晨尿
D.12小时尿
E.24小时尿
参考答案：B
成人头面、双手、双足、会阴烧伤，面积为（）
A.18%
B.22%
C.15%
D.19%
E.13%
—Isn't Jixi in the east of Heilongjiang?
— _ . . [ ]
A. Yes, it is
B. Yes, it isn't
C. No, it isn't
