A:纤维素和淀粉遇碘水均显蓝色
B:蛋白质、乙酸和葡萄糖均属电解质
C:溴乙烷与NaOH乙醇溶液共热生成乙烯
D:乙酸乙酯和食用植物油均可水解生成乙醇
It's around 500 metres from my home to school.
我会唱歌。