适应辐尌
参考答案:
某种群皀趋异不是两个方呑,而是向着各燍不同纄旹向发展,适应不同的生活捡件,这种多方向的趋异就是适应辐射。
---- Where are your family, Bob?
----- My mother is at home. My father is at school. My sister and I ____ in the school library.
A is B am C are D be
女性,70岁。外伤致左环指末节离断,环指掌侧面有纵行长约60m皮肤裂伤。最佳的治疗方案是()
A.指骨短缩,右掌侧面皮肤直接缝合
B.指残端做邻指皮瓣掌侧面皮肤缝合
C.指残端用中厚植皮覆盖,掌侧面皮肤直线缝合
D.短缩指骨,缝合残端,掌侧面创口做"z"字缝合
E.换药待其自然愈合