阿摩線上測驗
23. The most important pigments in floral coloration are_____； the red and orange pigments of flowers are usually______.
(A) anthocyanins; betacyanins.
(B) tannoids; flavonoids.
(C) flavonoids; carotenoids.
(D) carotenoids; betacyanins.
(E) betacyanins; flavonoids.
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統計： A(0), B(0), C(1), D(0), E(0) #3240220
統計： A(0), B(0), C(1), D(0), E(0) #3240220
