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B股结算会员不仅要为B股投资者设立B股账户和美元资金账户，而且作为B股投资者股权登记、股票存管、股票交易的清算交收的代理人，参加B股的中央存管、清算与交收。( )
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按运算符操作数的数目划分，运算符的类型是______元运算符。
[A] In our time women have an average lifespan of almost 80 years; double of what it was in the last century. Motherhood can be postponed and in theory marriage can be postponed. Women in the US are studying more than men and they may become main breadwinner in the near future.[B] Many women go through life thinking, consciously or unconsciously, that a man will solve all their problems,"Once we are married, everything will be OK. " This attitude only set us up for failure. Men are not princesready to take any challenge to rescue the princesses; they are human beings with their own needs and fears.[C] Carrie was wondering in her bedroom about the comment that her friend, New York socialite Charlotte York, made "Women want to be rescued. " Carrie wonders, "Is that true Is that the only thing women want Rescued by whom If the prince did not kiss Snow White, would she have been frozen forever or would she have woken up anyway and moved on" Snow White probably had no other chance, but we do.[D] No wonder our society has changed. On the other hand, our values have not fast enough and many women, more so Hispanic women, are just waiting to be rescued by the prince. These women have not realized they no longer need to be rescued; they need a man for other reasons, not to take care of them.[E] Women in our society have so many options that we do not need anybody else to rescue us; we are the only ones that can rescue ourselves. If you have areas of your life that you want to improve, go ahead; do it for you and for you only, or accept yourself as you are. Do not be so naive that you think someone else can take care of all your problems. Life does not work like that. Live life to the fullest, be happy with who you are and you will see that if you are happy with yourself, you will make others happy, including your man.[F] Our society has changed in a remarkable way in the last 50 years or so. And there are many reasons for it. At the beginning of the 20th century women’s lifespan was about 40 years. Therefore, life needed to start earlier if a woman were going to live for only 40 years; motherhood was a priority. Men used to work and women stayed at home and took care of them and their kids. Women could not survive without a man; women needed to be rescued.[G] Women are caregivers. We are strong and smart and we have the ability to take care of ourselves; we do not need to be rescued by anyone. When we are giving our power to others in exchange for security, we are also giving up our freedom. Are you waiting to be rescued Do you ever think like thatOrder: 45
Children attending schools located in high-traffic zones have a 45 percent increased risk of developing asthma, even though time spent at school only accounts for about one-third of a child’s waking hours, according to new research. Asthma is the most common chronic childhood illness in developed countries and has been linked to environmental factors such as traffic-related air pollution. "While residential traffic-related pollution has been associated with asthma, there has been little study of the effects of traffic exposure at school on new onset asthma," says Rob McConnell, professor of preventive medicine at USC’s Keck School of Medicine. "Exposure to pollution at locations other than home, especially where children spend a large portion of their day and may engage in physical activity, appears to influence asthma risk as well." The study appears online in the journal Environmental Health Perspectives. The study drew upon data from the Children’s Health Study (CHS), a longitudinal study of children in Southern California communities that was designed to investigate the chronic effects of air pollution on respiratory health. Using a cohort of 2 497 kindergarten and first grade children who were asthma-free when they entered the study, researchers examined the relationship of local traffic around schools and homes to diagnosis new onset asthma that occurred during three years of follow-up. Traffic-related pollution exposure was assessed based on a model that took into account traffic volume, distance to major roadways from home and school and local weather conditions. Regional ambient ozone, nitrogen dioxide (二氧化氮) and particulate matter were measured continuously at one central site in each of the 13 study communities. The design allowed investigators to examine the joint effects of local traffic-related pollution exposure at school and at home and of regional pollution exposure affecting the entire community. Researchers found 120 cases of new asthma. The risk associated with traffic-related pollution exposure at schools was almost as high as for residential exposure, and combined exposure accounting for time spent at home and at school had a slightly larger effect. Although children spend less time at school than at home, physical education, and other activities that take place at school may increase ventilation rates and the dose of pollutants getting into the lungs, McConnell notes. Traffic-related pollutant levels may also be higher during the morning hours when children are arriving at school. Despite a state law that prohibits school districts from building campuses within 500 feet of a freeway, many Southern California schools are located near high-traffic areas, including busy surface streets. "It’s important to understand how these micro-environments where children spent a lot of their time outside of the home are impacting their health," McConnell says. "Policies that reduce exposure to high-traffic environments may help to prevent this disease. " The study was funded by grants from the National Institute of Environmental Health Sciences, the US Environmental Protection Agency, the South Coast Air Quality Management District, and the Hastings Foundation. The method of preventing asthma is to______.
Globally, recovery is going slightly better than expected, according to the IMF, which released its latest World Economic Outlook today. After shrinking by 0.6% last year, the global economy is likely to expand by 4.2% in 2010, 0.3% faster than the IMF projected in January. But economic performances will continue to vary widely around the world. Much of the upward revision to global growth can be attributed to a better outlook for the American economy. The IMF revised its forecast for American economic expansion in 2010 up 0.4%, to 3.1%. There was no change, by contrast, for the euro area, which already faced a poorer growth outlook. The Euro area economy may only grow by 1% in 2010 and 1.5% in 2011. And much of the job of expansion will be handled by Germany and France, while southern European growth continues to lag. Spain’s economy will continue to shrink in 2010. But the outlook is brightening for many emerging economies, including those in central and eastern Europe, for which growth forecasts were revised up by 0.8%. Developing Asia is enjoying a strong recovery, and the IMF indicated that both India and Brazil are likely to perform much better this year than initially anticipated, notching (赢得) growth rates of 8.8% and 5.5%, respectively. The report suggested that planned stimulus measures for 2010 should be fully implemented, given the fragility of recovery, but it also noted that sovereign debt worries will become more severe as the year progresses. Debt issues are likely to prove especially problematic in Europe, which has the highest debt ratios and the slowest expected growth rates. The stressed southern European nations are in a damned-if-they-do-damned-if-they-don’t position. If little action is taken on debt, rising debt costs will choke of an already weak recovery. If aggressive action is taken, the blow to aggregate demand will likewise undermine growth. Around the world, trade and production have recovered strongly, but employment remains well below prerecession levels in most countries. Labour market weakness is helping to keep inflation expectations in check; the IMF forecasts consumer price increases in developed nations of 1.5% in 2010 and 1.4% in 2011. But the return to strong growth is boosting commodity prices once more. Oil prices may increase by 30% in 2010, said the IMF, a rise 7% larger than projected in January. The overall picture is of a remarkable turnaround in global fortunes, given the depth of the recession. The year’s performance is much better than many would have dared to hope early last year. But in parts of Europe, the future is somewhat less certain, and because that uncertain future could lead to sovereign debt crises that could potentially rattle financial markets, world leaders should remain vigilant. By saying "damned-if-they-do-damned-if-they-don’t" (Line 4, Paragraph 3), the author means______.
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