可能导致急性肾衰竭的病因是
A．磺胺类药物中毒
B．输入异型血
C．败血症
D．挤压综合征
E．多发性骨髓瘤
参考答案：A,B,C,D,E
If you can’t meet a person at the appointed time,you have to change the time and inform the person in advance.( )
肿瘤细胞分化程度越高
A.肿瘤的恶性程度越低
B.对放射治疗越敏感
C.肿瘤转移越早
D.预后越差
E.肿瘤细胞的异型性越大
