下列新生儿肝炎与先天性胆道闭锁鉴别中最有价值的是()。
A.黄疸发展速度
B.大便颜色
C.小便颜色
D.动态观察胆红素
E.有无先天感染
参考答案:B
George said that he would come to school to see me the next day, but he ______.[ ]
A. wouldn't
B. didn't
C. hasn't
D. hadn't
感染性休克的常见致病菌()
A.革兰阴性杆菌
B.革兰阴性球菌
C.革兰阳性球菌
D.厌氧菌
E.革兰阳性杆菌