单选题A: Congratulations! I heard you got a promotion. When was it announced? B: ______.

单选题Man: I hate to attend the history class.Woman: You make it sound like prison. What's wrong with it?Man: It seems like the teacher never tells us what we really need to know.Question: Why does the man hate to go to his history class?

单选题American presidents seem to age before our eyes. But the common belief that high-office stress grays our leaders faster than 26 may be a myth, new research finds. In fact, the majority of American presidents have lived longer than typical men of their times. That's not to 27 that chronic stress has no effect on a person's lifespan, but so does high social standing. The findings 28 to a body of research linking high status to better health: for instance, Oscar winners live longer than those who were only 29 ; and the longevity (长寿) effect is also seen in Nobel Prize winners. The new study, which was published in the Journal of the American Medical Association, analyzed the dates of birth, inauguration and death of all 34 past presidents who died of natural causes. The 30 lifespan for these men should have been 68 years, if they'd aged twice as fast during their years in office as the popular wisdom suggests they do. Instead, the study found, these presidents lived an average 73 years. And indeed, 23 of the 34presidents who died of natural causes lived longer than expected, compared with other men their age during their lifetimes. Some presidents 31 an exceptionally long time: Gerald Ford died at 93.5 years, and Ronald Reagan at 93.3. All 32 living presidents have already exceeded their life 33 , or are likely to do so. So why do people at the top of the hierarchy fare better than those below? 34 to wealth, education and the best health care of their times would seem to be obvious factors although medical attention seems to have actually killed President Garfield, who died from a fatal 35 introduced by his doctors' unsterile (未消过毒的) treatment techniques after he was shot by an assassin. A. Access B. add C. average D. boundary E. covered F. currently G. Entrance H. expectancy I. infection J. nominated K. ultimate L. usual M. persistently N. say O. survived

单选题If you don' t put the milk in the refrigerator, it may _______.

单选题It is in the chairman of the board's interest, before a meeting, to ______ with the directors about sensitive matters.

单选题In the ______ of the project not being a success, the investors stand to lose up to USD 30 million. A. face B. time C. event D. course

单选题Superficial differences between the special problems and techniques of the physical sciences and those of the biological sciences are sometimes cited as evidence for the ______of biology and for the claim that the methods of physics are therefore not adequate to biological inquiry.

单选题David did it _______  to annoy her.

单选题We must safeguard against coerced confessions.

单选题All of the following can be inferred form the passage except that ______.

单选题The doctor told Penny that too much ______ to the sun is bad for the skin.

单选题Although the police (are) given considerable authority by society to enforce (it's) laws, they get a relatively low salary as compared with (that) of other occupational groups which have much (fewer) authority.

单选题He then ______ overalls (工作服) and spent the next eight hours as a dustman.

单选题 A Nation That's Losing Its Toolbox 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 Aisle 26 are prefabricated windows. Stacked near the checkout counters, and as colorful as a Fisher-Price toy, is a not-so-serious-looking power tool: a battery-operated saw-and-drill combination. And if you don't want to do it yourself, head to Aisle 23 or Aisle 35, where a help desk will arrange for an installer. B. It's all very handy stuff, I guess, a convenient way to be a do-it-yourselfer without being all that good with tools. But at a time when the American factory seems to be a shrinking presence, and when good manufacturing jobs have vanished, perhaps never to return, there is something deeply troubling about this dilution of American craftsmanship. C. This isn't a lament (伤感)—or not merely a lament—for bygone times. It's a social and cultural issue, as well as an economic one. The Home Depot approach to craftsmanship—simplify it, dumb it down, hire a contractor—is one signal that mastering tools and working with one's hands is receding in America as a hobby, as a valued skill, as a cultural influence that shaped thinking and behavior in vast sections of the country. D. That should be a matter of concern in a presidential election year. Yet neither Barack Obama nor Mitt Romney promotes himself as tool-savvy (使用工具很在行的) presidential timber, in the mold of a Jimmy Carter, a skilled carpenter and cabinet maker. E. The Obama administration does worry publicly about manufacturing, a first cousin of craftsmanship. When the Ford Motor Company, for example, recently announced that it was bringing some production home, the White House cheered. 'When you see things like Ford moving new production from Mexico to Detroit, instead of the other way around, you know things are changing,' says Gene Sperling, director of the National Economic Council. F. Ask the administration or the Republicans or most academics why America needs more manufacturing, and they respond that manufacturing gives birth to innovation, brings down the trade deficit strengthens the dollar, generates jobs, arms the military and brings about a recovery from recession. But rarely, if ever, do they publicly take the argument a step further, asserting that, a growing manufacturing sector encourages craftsmanship and that craftsmanship is, if not a birthright, then a vital ingredient of the American self-image as a can-do, inventive, we-can-make-anything people. G. Traditional vocational training in public high schools is gradually declining, stranding thousands of young people who seek training for a craft without going to college. Colleges, for their part, have since 1985 graduated fewer chemical, mechanical, industrial and metallurgical (冶金的) engineers, partly in response to the reduced role of manufacturing, a big employer of them. H. The decline started in the 1950s, when manufacturing generated a sturdy 28% of the national income, or gross domestic product, and employed one-third of the workforce. Today, factory, output generates just 12% of G.D.P. and employs barely 9% of the nation's workers. Mass layoffs and plant closings have drawn plenty of headlines and public debate over the years, and they still occasionally do. But the damage to skill and craftsmanship—what's needed to build a complex airliner or a tractor, or for a worker to move up from assembler to machinist to supervisor—went largely unnoticed. I. 'In an earlier generation, we lost our connection to the land, and now we are losing our connection to the machinery we depend on,' says Michael Hout, a sociologist at the University of California, Berkeley. 'People who work with their hands,' he went on, 'are doing things today that we call service jobs, in restaurants and laundries, or in medical technology and the like.' J. That's one explanation for the decline in traditional craftsmanship. Lack of interest is another. The big money is in fields like finance. Starting in the 1980s, skill in finance grew in importance, and, as depicted in the news media and the movies, became a more appealing source of income. K. By last year, Wall Street traders, bankers and those who deal in real estate generated 21% of the national income, double their share in the 1950s. And Warren Buffett, the good-natured financier, became a homespun folk hero, without the tools and overalls (工作服). 'Young people grow up without developing the skills to fix things around the house,' says Richard Curtin, director of the Thomson Reuters/University of Michigan Surveys of Consumers. 'They know about computers, of course, but they don't know how to build them.' L. Manufacturing's shrinking presence undoubtedly helps explain the decline in craftsmanship, if only because many of the nation's assembly line workers were skilled in craft work, if not on the job then in their spare time. In a late 1990s study of blue-collar employees at a General Motors plant (now closed) in Linden, N.J., the sociologist Ruth Milkman of City University of New York found that many line workers, in their off-hours, did home renovation and other skilled work. 'I have often thought,' Ms. Milkman says, 'that these extracurricular jobs were an effort on the part of the workers to regain their dignity after suffering the degradation of repetitive assembly line work in the factory.' M. Craft work has higher status in nations like Germany, which invests in apprenticeship (学徒) programs for high school students. 'Corporations in Germany realized that there was an interest to be served economically and patriotically in building up a skilled labor force at home; we never had that ethos (风气),' says Richard Sennett, a New York University sociologist who has written about the connection of craft and culture. N. The damage to American craftsmanship seems to parallel the steep slide in manufacturing employment. Though the decline started in the 1970s, it became much steeper beginning in 2000. Since then, some 5.3 million jobs, or one-third of the workforce in manufacturing, have been lost. A stated goal of the Obama administration is to restore a big chunk of this employment, along with the multitude of skills that many of the jobs required. O. As for craftsmanship itself, the issue is how to preserve it as a valued skill in the general population. Ms. Milkman, the sociologist, argues that American craftsmanship isn't disappearing as quickly as some would argue—that it has instead shifted to immigrants. 'Pride in craft, it is alive in the immigrant world,' she says. P. Sol Axelrod, 37, the manager of the Home Depot here, fittingly learned to fix his own car as a teenager, even changing the brakes. Now he finds immigrant craftsmen gathered in abundance outside his store in the early morning, waiting for it to open so they can buy supplies for the day's work as contractors. Skilled day laborers, also mostly immigrants, wait quietly in hopes of being hired by the contractors. Q. Mr. Axelrod 'also says the recession and persistently high unemployment have forced many people to try to save money by doing more themselves, and Home Depot in response offers classes in fixing water taps and other simple repairs. The teachers are store employees, many of them older and semi-retired from a skilled trade, or laid off. R. 'Our customers may not be building cabinets or outdoor decks; we try to do that for them,' Mr. Axelrod says, 'but some are trying to build up skill so they can do more for themselves in these hard times.'

单选题The age of the students in this class ______ from eighteen to twenty.

单选题______ all customs, no matter how sacrosanct, are essentially learned reactions appropriate perhaps only to the holders thereof is a basic assumption of anthropologists.

单选题What does the author think about trying to find weaknesses in other people' s research?

单选题Physics _______  my favorite subject when I studied in the university.

单选题The little girl needs ______ after her shock.