14. The characteristics or structures only found in angiosperms but NOT in gymnosperms include _____. ① double fertilization ② flower ③ vessel element ④ sieve tube ⑤ annual growth habit
(A) ①②③④⑤
(B) ①②④⑤
(C) ①②③⑤
(D) ①②③④
(E) ②③④
(A) ①②③④⑤
(B) ①②④⑤
(C) ①②③⑤
(D) ①②③④
(E) ②③④
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統計: A(3), B(37), C(5), D(15), E(3) #3224795
統計: A(3), B(37), C(5), D(15), E(3) #3224795