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单选题 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

英语阅读III课程封面

学科:英语阅读III

时间:2023-12-18 11:06:51

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