题目内容
Good technique in medicine means less pain and fewer deaths; , it is our duty to master it.
A. thus B. therefore C. otherwise D. however
B
解析:
略

练习册系列答案
相关题目
题目内容
Good technique in medicine means less pain and fewer deaths; , it is our duty to master it.
A. thus B. therefore C. otherwise D. however
B
略