唇、舌、耳、鼻及眼睑断裂伤,离体组织尚完好,应尽量将离体组织缝回原处,但一般不宜超过
A.1小时
B.2小时
C.4小时
D.6小时
E.8小时
参考答案:D
解析:时间过长则易坏死。
-Have you ever comehere before?
-No, it is the first time that I _ to this city. [ ]
A. come
B. came
C. had come
D. have come
麻花钻的后角愈小,切削就愈费力。