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Read the article and select the best answer. Article: The traditional distinction between products that satisfy needs and those satisfy wants is no longer adequate to describe classes of products. In today's prosperous societies, the distinction has become unclear because so many wants have been turned into needs.A writer, for instance, can work with paper and pencils. These are legal needs for the task.But the work can be done more quickly and efficiently with a word processor. Thus a computer is soon viewed as a need rather than a want. In the field of marketing, consumer goods are classed according to the way in which they are purchased.The two main classes are convenience goods and shopping goods.Two lesser types are specialty goods and unsought goods. It must be emphasized that all of these types are based on the way shoppers think about products, not on the nature of the products themselves. What is regarded as a convenience item in France(wine,for example)should be a specialty goods in the United States. People do not spend a great deal of time shopping for such convenience items as groceries, newspapers, toothpaste, aspirin, and candy. The buying of convenience goods may be done routinely, as some families buy groceries once a week. Such regularly purchased items are called staples. Sometimes convenience products are bought without enough thinking; someone has a sudden desire for an ice cream sundae on a hot day. Or they may be purchased as emergency items. Shopping goods are items for which customers search. They compare prices. quality, and styles, and may visit a number of stores before making a decision.Buying an automobile is often done this way. Shopping goods fail into two classes:those that are recognized as basically the same and those that are regarded as different. Items that are looked upon as basically the same include such things as home appliances, television sets, and automobiles.Having decided on the model desired, the customer is primarily interested in getting the item at the most favorable price. Items regarded as essentially... Question: Staples are items that _ . Options: A: are convenient to purchase B: are purchased without enough thinking C: people "want but don't need" D: people are in constant need of
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D

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Read the article and select the best answer. Article: It's flu season. What are you doing about it? David Oreck, Founder My Oreck Air Purifier captures and destroys viruses, bacteria and germs. 2005 ORECK HOLDINGS,LLC. All Rights Reserved. All word marks, logos, product configurations and registered trademarks are owned and used under the authority of Oreck Holdings, LLC. For the very young and the very old and virtually everyone in between, the flu is nothing to sneeze at. So here's what you can do. Check with your doctor to see if a flu shot is right for you. Wash your hands frequently. Maintain a healthy diet and regimen of exercise. And because you're spending most of your time indoors, it makes sense that the air in your home is as fresh, clean and pure as it can be. My Oreck XL(tm) Professional Air Purifier captures and destroys viruses, bacteria and germs. It removes mold spores, pollen, pet dander, household odors and other airborne particulates as small as 0.1 microns. (The flu virus measures 0.3 microns.) The Oreck Professional Air Purifier uses the same advanced technology as the prefix = st1 /U.S.submarine fleet where mariners are submerged for up to six months at a time. Because the permanent electronic filter never needs replacing, you can rinse it off as often as you like and it's as good as new. My Oreck Professional Air Purifier will literally pay for itself in what you pay for costly HEPA replacement filters that other manufacturers require. Besides HEPA filters don't destroy germs. They can only capture and hold them. So this flu season, take the Oreck Challenge and try my Oreck Professional Air Purifier risk-free for three full months. Then decide. CALL NOW AND RECEIVE A $100 GIFT-FREE. Just for trying an Oreck Air Purifier risk-free for 90 days, we'll send you our $100 Oreck Cord-Free Electric Broom ly free. It's a floor vac and a hand vac in one. If you don't feel the difference simply send the Air Purifier back--but keep the Electric Broom--there's no obligation. The shipping is free. Call 1-800-522-5961 ext. CR589 or visit www.... Question: Which of the following statements is NOT TRUE? Options: A: A flu shot may prevent you from the flu. B: The U. S. submarine fleet have taken some measures to prevent the flu. C: The price of Oreck Air Purifier is lower than other similar products. D: The Oreck Air Purifier has more advantages than others.
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C

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Read the article and select the best answer. Article: Cities need to put efforts to deal with pollution and clear the air. Chinese cities will need to put efforts to clear up the sky when a new department to improve regional air quality is set up by 2015, according to the latest plan released by the State Council. Besides the existing pollution control program for SO2, regional emission caps for other certain chemicals will be established in the three key air polluting areas-- the Yangtze River Delta, Pearl River Delta and the Beijing-Tianjin-Hebei region. Coal-consumption caps will also be tried out in some areas, according to the plan. "The plan is aimed at dealing with regional air pollution--such as acid rain and smog--which have become increasingly obvious in China in recent years and caused a severe threat to people's health," Zhang Lijun, vice-minister of environmental protection, said in an interview on Monday. "The air quality in a city affects the regions nearby because pollutants Can travel through the atmosphere," said Chai Fahe, vice-director of Chinese Research Academy of Environmental Sciences. "So efforts to reduce air pollution in a single city, targeting a certain pollutant will not be enough," Chai said. Zhang said, "The country's major industrial districts--the Yangtze River Delta, Pearl River Delta and the Beijing-Tianjin-Hebei region--have recorded more than 100 misty days annually in recent years." These three regions, home to at least 200 million people, occupy only 6. 3 percent of the country's area but consume 40 percent of the country's coal and produce half of its steel, according to official figures. Studies also show that the visibility in eastern regions of China has dropped by 7 to 15 km compared to that in the early 1960s, as a result of air pollution. Liaoning province, the Shandong Peninsula, Wuhan in Hubei province and its surrounding area, the Changsha-Zhuzhou-Xiangtan region in Hunan province, the Chengdu-Chongqing region, and the western coast of the Taiwan Straits are also listed as areas to carry out such regional... Question: . The main purpose of the passage is _ . Options: A: to inform readers of the damage caused by air pollution B: to introduce the new plan to control air pollution C: to provide official figures of air pollution levels D: to point out the regions affected by air pollution
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B