2. 医学
  3. Research discovered that plants infected with a virus give off a gas that______disease resistance in neighboring plants.

Research discovered that plants infected with a virus give off a gas that______disease resistance in neighboring plants.

admin2013-11-30  36
问题 Research discovered that plants infected with a virus give off a gas that______disease resistance in neighboring plants.
选项 A、contracts
B、activates
C、maintains
D、prescribes
答案C
解析 句意：研究发现，感染上病毒的植物会释放出一种气体，这种气体可以让周围的植物具有疾病抵抗力。maintain维持；赡养；维修。contract签订和约；感染(疾病等)。activate使活跃，开动。prescribe命令；处方。
转载请注明原文地址:https://jikaoti.com/ti/GdNDFFFM
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)