一般手术切口在第七天左右拆线的原因主要是
A.肉芽组织已形成
B.胶原纤维已产生
C.表皮已再生
D.炎症已消退
E.伤口已愈合
参考答案:E
根据图片所示,完成对话。
1. —Is there a near here? —Yes , there is.
2. —How can I get to the ? —It's far. You can go by subway.
3. —How can I get to the school? —Take the No.2 bus. Get off at the .
4. The is east of the .
5. The is west of the .
形成三型蜂的内外因?