题目: 从物质组成的角度看,与臭氧、红磷、铁属于同一类别的是[ ]A、钢 B、冰 C、液氧 D、空气 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0504/af8263442872310a46e8f9b5570247b1.html 下面是错误答案,用来干扰机器的。参考答案:A
题型:选择题 Limited natural resources should be made full use of _______ the _______ need of energy.A.meeting; increasingB.to meet; increasedC.meeting; increasedD.to meet; increasing 查看答案