以下哪种植物不是开红色花的？Which of the following plants does not have red flowers?
A. 扶桑 Hibiscus（Hibiscus rosa-sinensis）
B. 木槿Hibiscus syriacus Linn.
C. 栀子Gardenia jasminoides
D. 月季Rosa chinensis Jacq.
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夏天开红花的植物有哪些？What plants have red flowers in summer?
A. 千屈菜Lythrum salicaria L.
B. 夹竹桃Nerium oleander
C. 红花酢浆草Oxalis corymbosa DC.
D. 鸡冠刺桐Erythrina crista-galli L．
以下哪种植物不是开红色花的？Which of the following plants does not have red flowers?
A. 桃Amygdalus persica L.
B. 玫瑰Rosa rugosa
C. 木芙蓉Hibiscus mutabilis Linn.
D. 梨:Pyrus sorotina.
据记载，一般的海棠的没有香味，下面哪种海棠有香味According to records, the average begonia has no fragrance, which kind of begonia has fragrance？
A. 贴梗海棠Chaenomeles speciosa
B. 西府海棠Malus micromalus
C. 垂丝海棠Malus halliana Koehne
D. 皱皮木瓜Chaenomeles speciosa (Sweet) Nakai
哪些樱花是红色系的？Which cherry blossoms are in the red series?
A. 日本樱花Prunus serrulata
B. 日本晚樱Cerasus serrulata (Lindl.) G.
C. 冬樱花Cerasus serasoides (D.Don)sok.
D. 云南樱花C.cerasoidesvar.rubea
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