对垃圾取样进行有机组分分析的结果见下表,请确定垃圾中有机组分的化学组分表达式(考虑 C 、 H 、 O 、 N 、 S )
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【单选题】听力原文: Zachary Taylor was elected as the 12th president in 1849. It's surprising because he was the first president that didn't have any political experience. The main reason he was chosen as a candida...