Question

A、 source   B、 on average   C、 plastic   D、 fixed   E、 examined

The US public uses about 50 billion water bottles a year and most of those    1.  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   2.   of tap water, bottled water is the only choice.

In the US, tap water is controlled by the government and often  3.  for dangerous substances(物质). Each American drinks 79 litres of bottled water per year  4.   . 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.

Answer

1.C

2.A

3.E

4.B

【解析】

试题分析：这篇短文讲述了英国和美国对于瓶装的矿泉水的使用情况，国家支持使用自来水而不支持瓶装水。

1.C句意：这些塑料瓶中的大部分是不回收的。这里指的是塑料瓶。根据题意，故选C。

2.A句意：在许多发展中国家没有一个安全的自来水来源。这里指是的自来水的来源。故选A。

3.E句意：在美国自来水被政府控制，经常被检测危险的物质。这里表示被检测的意思，用被动语态。根据题意，故选E。

4.B句意：每个美国人平均每年喝79升瓶装水。这里是平均的意思。根据题意，故选B。

考点：选词填空。