问题详情：
Most Americans use about 50 to 70 gallons of water each day in their homes. It is easy to waste water when you are not thinking about it. Make an effort to track how much water use when you brush your teeth, shower, cook, do your dishes, or clean your home, and look for ways to minimize water use at each step.
About 10 percent of all the water used in your home is used in the kitchen, primarily for dishwashing, cooking, drinking, and cleaning. Here’s how to save water in each of those areas. A recent study made by researchers at the University of Bonn in Germany found that washing dishes with a dishwasher uses half the energy, one-sixth the water, and much less soap than washing dishes by hand. If you don’t have a dishwasher, or if you just like to wash your dishes by hand, minimize running water by filling one sink with soapy water and one with washing water.
It’s important to drink a lot of water every day. Keep a bottle of drinking water in the refrigerator. This way you don’t have to run the tap to get a cool drink. Water helps remove toxins (毒素)from the body. Bottled water uses more energy and resources in its production and shipping than tap water, and it is often of similar quality. Americans throw away about 22 million water bottles each year, increasing landfills as well as resources. And according to the Natural Resource Defense Council’s four-year study on the bottled water industry, water that comes from a bottle is not cleaner or safer than water that comes from the tap. In fact, their study found that at least 25 percent of bottled water is actually just bottled tap water. Save money and resources by carrying your own reusable bottle filled with tap water, instead.
28. In the passage the author intends to .
A. stress the importance of water in life
B. give advice on how to save water
C. reminds us of the most water-wasting
D. advise us to give up bottled water
29. You can observe daily water consumption .
A. to strengthen water-saving consciousness
B. to find ways to take place of water
C. to know how wasteful Americans are
D. to calculate the total amount of water
30. When washing dishes in your kitchen, .
A. you must use a dishwasher to save water
B. you can avoid using soap on the dishes
C. you’d better not let the tap run all the time
D. you should wash the dishes by hand
31. The author thinks that .
A. refrigerator is useful in saving water
B. running the tap too often means wasting water
C. water can stop toxins forming in the body
D. all the bottled water is of poor quality
【回答】
BACB
知识点：*经济文化类阅读
题型：阅读理解
