唛头一般不包括以下哪项内容（ ）。
A．收货人简称或代号
B．参考号
C．件号
D．装运港
参考答案：D
— May I speak to Mr. Brown?
— Sorry, he isn't in. He ______ Shanghai. [ ]
A. has been to
B. was going to
C. went to
D. has gone to
绝对性红细胞增多见于（）
A.糖尿病酮症酸中毒
B.腹泻
C.慢性肾上腺功能减退
D.严重慢性心肺疾病
E.大面积烧伤
