某有机物24g完全燃烧，生成14.4g H2O和17.92L CO2（标准状况下），0.5mol此有机物的质量为30g．求：
（1）有机物分子式．
（2）已知此有机物具有弱酸性，能与金属钠反应，也能与碱溶液反应，试写出它可能的结构简式．
— Yeah, you cannot imagine interesting it is if you don't experience it yourself.
填空。
池塘生____，园柳变____。
几处早莺____，谁家新燕____。
Who is Bill going swimming with this afternoon?
