题目

Last Saturday, our school organized a talent show to raise money for charity. It was a great success. Students took an active part in it and we raised 20,000 yuan in all.After the show I interviewed three students. First, I talked with Liu Li. In the talent show, she danced the ballet（芭蕾舞）. “How long have you been dancing the ballet?” I asked. “For about six years.” she answered. “Why do you learn it?” “I think it’s beautiful and I want to be a professional dancer when I grow up.”Next I had a talk with Zhao Qiang. He played a piece of Mozart’s music. He played won某合作学习小组讨论辨析以下说法：①粗盐和酸雨都是混合物；②石油和水蒸气都是可再生能源；③冰和干冰既是纯净物又是化合物；④不锈钢和目前流通的硬币都是合金；⑤纯碱和熟石灰都是碱．上述说法正确的是（　　） A、①②③B、①②⑤C、③⑤D、①③④