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Research discovered that plants infected with a virus give off a gas that______
Research discovered that plants infected with a virus give off a gas that______
游客
2025-04-23
39
管理
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
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