肾母细胞瘤最常见的临床症状是()。
A.腹部肿块
B.血尿
C.高血压
D.水肿
E.蛋白尿
参考答案:A
If you let me make a choice ______ Jane and Anne, I would say Jane is______one to be my assistant.
A.between; the best
B.from; the best
C.between; the better
D.from; the better
下列哪一类的大肠埃希菌中含有O157:H7这一血清型()
A.ETEC
B.EPEC
C.EIEC
D.EHEC
E.EaggEC