高三英语限时阅读训练（一）

　　完形填空(共20小题，每小题1分，满分20分)

　　These days, it is common to see 5-gallon bottles of water being sent to homes. Supermarket 41 are filled with all kinds of bottled water from simple 42 bottles containing "pure spring water" to expensive foreign types of mineral water in glass bottles. In Europe, bottled water is as 43 as soft drinks are in the United States. People are not only interested in the different choices of drinks, but also in the taste of bottled water and its 44 value.

　　All bottled water must 45 the content of the water on the bottle. Some companies 46 minerals to give the water a better taste. But the term mineral water is 47 , because all water-except specially purified water-contains minerals. 48 must be made to tell people clearly what kind of water people are exactly buying: spring water, mineral water, or purified water. For example, "spring water" will have to come from a(n) 49 spring.

　　Many people choose bottled water 50 tap water, because they 51 the safety of public drinking water. Some people worry about city water 52 . We need to pay close attention to the cleanliness of our drinking water. The government should be responsible for tap water 53 . It should be tested and checked 54 .

　　Keep in mind that bottled water is 55 . In many cases, you are paying for water that is not much different from tap water. If you are not sure of the safety of your tap water, have it 56 . A local health department can be of 57 . Compared with the cost of bottled water, the testing cost will be less expensive. Letting cold water 58 for a minute or so before taking a drink or using it in preparing a meal is a good way to 59 possible water pollution, especially if the water has been 60 for an hour or more.

　　41. A. baskets B. windows C. shelves D. carts

　　42. A. large B. plastic C. cool D. cheap

　　43. A. popular B. expensive C. fresh D. good

　　44. A. nature B. true C. face D. health

45. A. study B. stick C. list D. print