结肠破裂后，主要的临床表现是()
A．出血
B．呕吐
C．腹膜炎
D．黑便
E．里急后重
参考答案：C
–Where is Tom? --He _______ the USA. He _______ back in two months.
A. has gone to; comes B. has bee to; will be
C. has been to; comes D. has gone to; will be
药物所致的急性间质性肾炎患者，其肾间质中较少发现的细胞为（）.
A.单核细胞
B.淋巴细胞
C.浆细胞
D.多核嗜酸性粒细胞
E.以上均不是
