Good technique in medicine means less pain and fewer deaths. ________ it is our duty to master it.[

题目简介

Good technique in medicine means less pain and fewer deaths. ________ it is our duty to master it.[

题目详情

Good technique in medicine means less pain and fewer deaths. ________ it is our duty to master it.
[     ]
A.Altogether  
B.Therefore
C.Otherwise  
D.However
题型:单选题难度:中档来源:同步题

答案

B

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