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1.A) Taking a step that many professors may views a bit counterproductive，some colleges and universities are doling out Apple iPhones and Internet-capable iPods to their students. …… 2. Today nanotechnology (纳米技术) is still in a formative phase. Yet it is maturing rapidly. Between 1997 and 2005, investment in nanotech research and development by governments ar…… 3. At some point in 2008, someone, probably in either Asia or Africa, made the decision to move from the countryside to the city. This nameless person pushed the human race over a…… 4. The increase in the margin rate (保证金率)from 50% to 70% was not an attempt to stem any rampant (猛烈的)speculation on the part of the public-actually the market seemed technical…… 5. The report from the Bureau of Labor Statistics was just as gloomy as anticipated. Unemployment in January jumped to a 16-year high of 7.6 percent，as 598 000 jobs were slashed f…… 6. Employers are far less likely to employ people with mental illnesses than those with physical ailments (疾病),a report shows. The government is 1 an initiative urging employer…… 7.A) The scene inside the Home Depot on Weyman Avenue here would give the old-time American craftsman pause. In Aisle 34 is precut plastic flooring, the glue already in place. In Ais…… 8. In most cultures throughout the world. there is an expectation that when a person reaches adulthood, marriage should soon follow. In the United States alone, each month upwards …… 9. We all hope that the values that are important to each of us are passed along to our children.　　Often, however, that hope is challenged by a flood of pop culture messages, p…… 10.　How to Use a Library A)You’re driving your car home from work or sch001.And something goes wron9.The engine stalls out at lights，holds back as you go to pass.It needs a tune u…… 11.TV Linked to Lower Marks A) The effect of television on children has been debated ever since the first sets were turned on. Now three new studies find that too much tube tim…… 12. In the second half of the twentieth century, many countries of the South began to send students to the industrialized countries for further education. They(1)needed supplies o…… 13.　 Complaints should be made to a responsible person. Go back to the shop where you bought the goods, taking with you any(1)you may have. Ask to see the buyer in a large store. In …… 14.A． A few months ago I booked a flight for two and then went to select seats on the airline's site. Based on the destination and time of year, I was surprised to find only two adjac…… 15.A)The vast grasslands of the High Plains in the central United States were settled by farmers and ranchersin the 1880's．This region has a semiarid climate, and for 50 years after i…… 16.A) Architecture is the art and science of designing structures that organize and enclose space for practical and symbolic purposes．Because architecture grows out of human needs and…… 17.Preparing for Computer Disasters 　　A: Summary: When home office computers go down, many small businesses grind to a halt. Fortunately, taking steps to recover from disasters and mi…… 18. A) An earthquake is one of the most terrifying phenomena that nature can dish up. We generally think of the ground we stand on as “rock-solid” and completely stable. An earthqu…… 19.Paper--More than Meets the Eye A) We are surrounded by so much paper and card that it is easy to forget just how complex it is. There are many varieties and grades of paper …… 20.How to Make Attractive and Effective PowerPoint Presentations　　A) Microsoft PowerPoint has dramatically changed the way in which academic and business presentations are made. This ……

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