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I’’m usually fairly skeptical about any research that concludes that people are either happier or unhappier or more or less certain of themselves than they were 50 years ago. While any of these statements might be true, they are practically impossible to prove scientifically. Still, I was struck by a report which concluded that today’’s children are significantly more anxious than children in the 1950s. In fact, the analysis showed, normal children aged 9 to 17 exhibit a higher level of anxiety today than children who were treated for mental illness 50 years ago. Why are America’’s kids so stressed The report cites two main causes: increasing physical isolation -- brought on by high divorce rates and less involvement in community, among other things -- and a growing perception that the world is a more dangerous place. Given that we can’’t turn the clock back, adults can still do plenty to help the next generation cope. At the top of the list is nurturing (培育) a better appreciation of the limits of individualism. No child is an island. Strengthening social ties helps build communities and protect individuals against stress. To help kids build stronger connections with others, you can pull the plug on TVs and computers. Your family will thank you later. They will have more time for face-to-face relationships, and they will get more sleep. Limit the amount of virtual (虚拟的) violence your children are exposed to. It’’s not just video games and movies; children see a lot of murder and crime on the local news. Keep your expectations for your children reasonable. Many highly successful people never attended Harvard or Yale. Make exercise part of your daily routine. It will help you cope with your own anxieties and provide a good model for your kids. Sometimes anxiety is unavoidable. But it doesn’’t have to ruin your life. The first and most important thing parents should do to help their children is ________.
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TextEvery human being, (26) what he is doing, gives off body heat. The usual problem is (27) dispose of it. But the designers of the Johnstown campus of University of Pittsburgh set themselves the (28) problem how to collect body heat. They have designed a collection system which utilizes (29) body heat, but the heat given off by such objects (30) light bulbs and refrigerators as well. The system works so well (31) no conventional fuel is needed (32) the campus’s six buildings comfortable.Some parts of most modern building, theatres and offices (33) classrooms -- are more than amply heated by people and lights and sometimes must be air-conditioned and (34) in winter. The technique of (35) heat and redistributing it is (36) “heat recovery”. A few modem buildings recover (37) , but the university’s system is the first to recover heat (38) some buildings and reuse it in (39) . Along the way, Pitt has learned a great deal about some of its heat producers. The (40) a student studies, the more heat his body (41) . Male students emit more than (42) students, and the larger a student, the more heat he (43) . It is tempting to (44) that the hot test prospect for the Johnstown campus would be a (45) over weight male genius. 34（）
阅读以下程序： #include＜iostream.h＞ void main() static int a[][3]=9,7,5,3，1，2，4，6，8； int i,j,s1=0，s2=0； for(i=0；i＜3；i++) for(j=0;j＜3;j++) if(i==j)s1=sl+a[i][j]； if(i+j==2)s2=s2+a[i][j]； cout＜＜s1＜＜"，"＜＜s2＜＜endl; 则该程序的输出结果为 【15】 。
Pattie Kovars: Even if my whole family gets up very early, I always like to work at night. I find that’ s my best time to get work done. I like night time because everything is calm and I can just write. I feel calmer and more focused at night. There is no pressure. When I read my papers in the morning, I’ m always amazed how good they sound. Brandi Baldasano: I try to make use of all the small portions of time that I have available. I find that I can finish a lot in fifteen minutes, because I am able to concentrate for that long knowing I have only a few minutes. Those small units of time really add up over a week. Setting small goals seems to help me avoid feeling overwhelmed. I use my calendar as a guide, by putting down what school work I would like to finish each day to be caught up. Galo Arboleda: I’m the king of procrastination. I like to do everything at the last minute, and I really pay the price by being nervous and anxious. I always tell myself to stop this pattern, but then once again,I stay all night writing the paper or studying for the test. I try to deal with it by at least starting the assignment early, doing at least a quarter or even half of it, so I don’ t have to do it all the night before. Usually I do end up doing it all but I always manage to get an A or B. I guess I work well under pressure. Mark Vaught: Being a college athlete, one of my big problems was prioritizing my time and trying to balance my sport, school and friends. My big mistake was putting my sport first. In the excitement, I placed my sport as first priority, my friends and teammates second, and my studies last. Today I have plans to go on to graduate school and I am affected by my grades because I did not put a high enough emphasis on my classes. Leticia Sequra: One big problem I face in managing time is not leaving time in lily schedule for the unannounced. My days are quite full and I have others depending on me to do things at certain times, I don’ t give myself much spare time in my daily schedule and, at last, that can be quite stressful. StatementsA. As for me, it’s never too late to learn.B. Unanticipated occurrence makes my schedule tighter.C. I admit that I am a night owl.D. I taste the bitterness from my sports fever.E. I believe that haste makes waste.F. I have the ability to deal with high pressure.G. I can make efficient use of my time. Galo Arboleda
In 1997, devotees of home electronics eagerly awaited the DVD player, a new device that could play movies without videotape, and with greater clarity. It caught on even faster than CD music players and within four years, DVD movies surpassed VHS tapes in sales. The DVDs success is just one example of a historic shift from analog to digital technologies. They began with computing and are now spreading to industries from banking to publishing. Products and services are shedding the limits of their physical form to become encoded information that never degrades, can be reproduced perfectly and distributed around the world in minutes, or less. Another example is photography: by the end of this year, the number of images captured digitally each day is expected to surpass the number of images captured on film. With digital cameras and other devices linked to personal computers, we can collect vast amounts of data, which fortunately takes up little or no closet space. Today’’s average personal computer has a hard drive that can store 300 times more information than a decade ago. Technologies, such as broadband e-commerce, are expected to be the primary means of delivering entertainment and media by the end of this decade. Even life itself is increasingly digitized. The human genome, the recipe for our genetic makeup, has been mapped and encoded and researchers are harnessing the power of computing to accelerate the development of new, lifesaving drugs. The implications of this broad, digital revolution are enormous, although they tend to be over-shadowed by the struggles of high-tech industries to recover from the go-go years of the 1990s. Those struggles are real, yet there are reasons for optimism about a return to robust economic growth and job creation in the next several years. The digital innovations(创新)of the past two decades continue to bear fruit, so stay tuned for good news--digitally, of course. Digital technologies really began to take form when _______.
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