2. 外语
  3. Pollution of water supplies is usually due to poor health conditions close to water sources, sewage 【T1】______into the sources t

Pollution of water supplies is usually due to poor health conditions close to water sources, sewage 【T1】______into the sources t

admin2016-06-02  41
问题     Pollution of water supplies is usually due to poor health conditions close to water sources, sewage 【T1】______into the sources themselves, leakage of sewage into【T2】______systems or pollution with industrial or【T3】______waste. Even if a piped water supply is safe at its source, it is not always safe by the time it reaches the tap. Intermittent tap-water supplies should be【T4】______as particularly suspect.
    Travelers on short trips to areas with water supplies of uncertain【T5】______should avoid drinking tap-water, or【T6】______water from any other source. It is best to drink hot drinks, bottled or canned drinks of well-known brand names—international【T7】______of water treatment are usually followed at bottling plants. Carbonated(含二氧化碳的)drinks are acidic(酸性的), and slightly safer.【T8】______, and that their rims(边缘)are clean and dry.
    Boiling is always a good way of treating water.【T9】______. Portable boiling elements that can boil small quantities of water are useful when the right voltage(电压)of electricity is available.【T10】______.
【T7】
选项
答案standards
解析 根据空格前的international和空格后的of可知此处应填入一个名词。根据常识可知，装瓶厂通常会遵循水处理的国际标准。因此，空格处所填单词可能表示“标准”。结合录音可知答案为standards，注意使用名词复数形式。
转载请注明原文地址:https://kaotiyun.com/show/PP5K777K
本试题收录于： 浙江省大学英语三级题库大学英语三级分类
0

浙江省大学英语三级

大学英语三级

相关试题推荐
随机试题
最新回复(0)