複選題
36. A long-day plant will flower if
(A) it is kept in continuous far-red light.
(B) the duration of continuous darkness exceeds a critical length.
(C) the duration of continuous light is less than a critical length.
(D) the duration of continuous darkness is less than a critical length.
(E) the duration of continuous light exceeds a critical length.
阿摩線上測驗
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