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研究发现中药大黄可以抑制癌细胞的生长和增殖.研究人员为进一步研究大黄中所含的两种化学成分(大黄素和大黄酸)对小鼠艾氏腹水癌细胞的抑制作用,进行了一系列实验,实验结果如下表,请据表回答问题.

药物浓度

腹水癌细胞

肝细胞(正常组织细胞)

耗氧量(μg/mL)

抑制率(%)

耗氧量(μg/mL)

抑制率(%)

对照

197.2

/

133.9

/

大黄素

25

85.3

56.5

115.6

14.8

50

55.1

63.6

101.7

17.9

75

49.3

70.6

99.5

18.1

大黄酸

25

95.3

47.1

97.5

21.2

50

69.3

53.2

89.2

25.0

75

54.3

59.1

86.7

28.6

(表中数据为5批实验结果的平均值,每批小鼠6只)

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    Designer Susan McLeary is taking the jewelry world by storm with her jewelry made from living plants. She uses real succulents(多肉植物)collected from her 1 to create wonderful headpiece, necklaces, rings bracelets, and other pieces of bio-jewelry that literally 2 on you.

    Each piece from McLeary's 3 can be worn for two to four weeks before the plants begin to 4 in their metal base. When this happens, wearers can 5 remove the succulents from their metal base and re-pot them to keep in their homes. The jewelry bases can still be 6 as usual. If the pieces are worn for special 7 like weddings, the potted plants become all the more 8.

    McLeary, who has worked with leading floral designers(花艺设计师)across the US, has spent years 9 her two loves — plants and jewelry — and 10 her own style. Before she was a florist, she made jewelry for friends. 11 one of her friend got married, she was asked to design some wedding flowers 12 some jewelry. As she had her friend's flowers in her hands, she knew she had got her idea. She still loves 13 for weddings, but she has found that she enjoy creating floral wears and floral 14 even more.

    She makes each piece by hand, and 15 she can pay careful attention to composition and color. Each jewelry piece is made with 16 sourced plants from a family owned greenhouse and jewelry bases 17 by other small businesses.

    There is no doubt that the floral jewelry adds more fun and more 18 sights to there occasions. Of course, the wearers can also 19 their time by taking care of the plants on their metal base. McLeary's beautiful designs are 20 on her Easy store, which ranges from $ 20 to $ 300.