题目内容
【题目】Good technique in medicine means less pain and fewer deaths and, __________ it is our duty to master it.
A. altogether
B. therefore
C. otherwise
D. however
【答案】B
【解析】考查副词辨析,altogether“总共”;therefore“因此”;otherwise“否则”;however“然而”。句意为:医学上好的技术意味着更小的疼痛和更少的死亡,因此掌握它是我们的职责。两个分句间是因果关系,故选B。
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