Research discovered that plants infected with a virus give off a gas that______

游客2025-04-23 39

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

转载请注明原文地址:http://tihaiku.com/zcyy/4049932.html

相关试题推荐

随机试题

最新回复(0)

Researchershavestudiedthepoorasindividuals,asfamiliesandhouseholds