2. 医学
  3. The scientists at the University of Bern in Switzerland have used a weakened virus that is not infectious and has proved safe an

The scientists at the University of Bern in Switzerland have used a weakened virus that is not infectious and has proved safe an

admin2013-11-30  54
问题 The scientists at the University of Bern in Switzerland have used a weakened virus that is not infectious and has proved safe and effective.
选项 A、dangerous
B、harmful
C、contagious
D、invading
答案C
解析 句意：瑞士伯尔尼大学的科学家们利用了一种衰弱了的病毒，它不具传染性，并已证明是安全有效的。infectious易传染的。contagious传染性的，会感染的。dangerous危险的。harmful有害的。invading入侵的。
转载请注明原文地址:https://kaotiyun.com/show/DRU3777K
本试题收录于： 医学博士外语题库考研分类
0

医学博士外语

考研

相关试题推荐
随机试题
最新回复(0)