题目信息
Commercially available chemical fertilizers contain the same nutrients and micronutrients as organic fertilizers such as manure and composted garden clippings. Plants have tiny root hairs that absorb nutrients, and whether the source of the nutrients is organic or chemical is irrelevant to the plant's ability to take in the nutrients. Nevertheless, organic fertilizers are better for the health of the plant than are chemical fertilizers alone.
Which of the following, if true, would most strongly support the position above?
A:The nutrients in organic fertilizers are slowly released to the plant over time, rather than being absorbed by the plant immediately.
B:In organic fertilizers, the natural combination of nutrients with other natural materials makes the nutrients more usable by the plant than nutrients found in chemical fertilizers.
C:Plants often must be provided with nutrients because naturally occurring nutrients in the surrounding soil are depleted or washed away over time.
D:The typical gardener can't easily know the exact amount and type of nutrients in an organic fertilizer such as manure.
E:Chemical fertilizers produced by the leading manufacturer contain nutrients that are no harder for the plants to absorb than those provided by the competitor`s chemical fertilizer.
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正确答案：
B:In organic fertilizers, the natural combination of nutrients with other natural materials makes the nutrients more usable by the plant than nutrients found in chemical fertilizers.
先看题目：选项推原文，然后是加强题目，没有一个修饰的范围 然后看文章，逻辑链：然而，有机肥料比单独的化学肥料 -- 对植物的健康更好 看选项：最好出现有机肥料和化学肥料相比较的选项并且要体现出有机肥料更好E的对比对象错误 D说明organic 肥料有缺点，不选 C中两种肥料都没有提及 A没有对比
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