水和空气与人类、动植物的生存发展密切相关。
侯英超 |
发布日期：2010-06-19 09:04:42
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水和空气与人类、动植物的生存发展密切相关。下列有关水和空气的叙述中正确的是 A．人们饮用的纯净水中不含任何化学物质 B．水是生命之源，要防止水体污染，节约用水 C．目前计入空气质量日报的主要污染物中包括二氧化碳 D．使用太阳能会加剧酸雨、温室效应等环境问题 |
