From the passage we know that ammonium nitrate is

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From the passage we know that ammonium nitrate is a kind of________.

A.natural gas,which can easily catch fire

B.fertilizer,which can’t be stored in a great quantity

C.poisonous substance,which can’t be used in overcrowded areas

D.fuel,which is stored in large tanks

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  • 答案:B

    第四段的第二句说到了德克萨斯市的爆炸案,主要是峭酸按的储存不当所引发,可以推断峭酸按是一种易燃易爆的肥料,文中说“which is safe unless stored in great quantity”,即不宜大量储存,所以选B。