2. Researchers discovered that plants infected with a virus give off a gas that _____ disease resistance in
neighboring plants.
(A) advocates
(B) activates
(C) maintains
(D) prescribes
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統計: A(28), B(303), C(17), D(18), E(0) #1821782
統計: A(28), B(303), C(17), D(18), E(0) #1821782
詳解 (共 1 筆)
#4428760
研究人員發現,感染了病毒的植物會釋放出一種氣體,從而_____鄰近植物的抗病性。
( A)擁護者、主張、提倡
(B)激活
(C)維持
(D)規定
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