手术后早期出血的含义是指
A.多在1~2周内发生 B.通常24小时内发生 C.早期有出血症状 D.引流管有鲜血外溢 E.血红蛋白及血压偏低
参考答案:B
-Sorry for being late. I was held up in the traffic.
-It's all right. I ____ the newspaper,anyway. [ ]
A. am reading
B. read
C. have been reading
D. have read
车辆通过最小曲线半径