V. Read the folowing passage and answer the questions: In Western countries, electricity, gas, and water are not luxury but necessities.Company now realize that consumers want products that will not only work effectively, but also save money. For most North American households, lighting acounts for 10 percent to 15 percent of the electricity bill. However, this amount can reduced by replacing an ordinary 100-watt light bulb with an energy saving bulb. These bulbs use a quarter of the electricity of standard bulbs and last eight time longer. Therefore cosumers can save about US7 to US21 per bulb. In Europe, there is a labeling scheme for refrigerators, freezers, washing machines and tuble dryers. The lable tell the consumers how much energy efficiency each model has, compared with other appliences in the same category. Ultimately, these inovations will save money as well as coserve the Earth’s recources. Questions: 1, What are Western cosumers interested in? ………………………………………………………………………………………… 2, What can we do to spend less on lighting? ………………………………………………………………………………………… 3, What is the purpose of labeling scheme? ………………………………………………………………………………………… 4. Why should we save energy? ………………………………………………………………………………………… 5. Are electricity, gas, and water luxury in Western countries? …………………………………………………………………………………………