古代雅典民主制实行抽签选举、轮番而治，这一做法（  ）

①有利于全体雅典人参与国家管理②提供了公民参与政治的均等机会

③确保了公民大会决策的公正无私④忽视了参与政治者的能力与品德

根据方框里所给出的单词提示及短文意思填空。

The US public uses about 50 billion water bottles a year and most of those ____ bottles are not recycled, according to Elizabeth Royte’s book Bottlemanid: How Water Went on Sale and Why We Bought It.

More than $100 billion is spent every year on bottled water in the U.S. in many developing countries where there isn’t a safe ____ of tap water, bottled water is the only choice.

In the US, tap water is controlled by the government and often ____ for dangerous substances(物质). Each American drinks 79 litres of bottled water per year ____. The bottled water industry is so successful that it has outpaced milk, coffee, and juice in the number of gallons of drinks sold – putting it behind only beer and soda.

中央电视台天气预报节目中的卫星云图属于以下哪种类型的地图（    ）。