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　　We're all heard about the power of positive(积极的)thinking, but a recent study found that people who think they're getting fit actually get more positive benefits from activity, according to a Reuters Health article

　　The study examined hotel housekeepers over a period of four weeks．Some of the housekeepers were told that their work duties gave them enough activity to meet the Surgeon General's health guidelines(准则)．Another group of housekeepers were told noting．After four weeks, the housekeeper who believed their work activity counted as exercise lost weight and body fat, and their blood pressure went down．

　　The results of this study suggest that it's important to understand and believe in the positive benefits of your activity．So here are a few things to think about the next time you exercise

　　Just thirty minutes of quick walking each day can greatly reduce your risk of a heart attack．

　　Even your housework-like yard work and house cleaning – can help you burn calories and increase your fitness levels

　　Weight bearing activity just a few times a week can build bone density(密度)and reduce your chances of developing osteoporosis(骨质疏松)

　　Three 10-minute workouts(锻炼)throughout the day are just as good to your health as one long workout

　　Moderate(适度的)amounts of exercise have been linked to lower rates of heart disease, stroke and even cancer

　　Strength training can help make daily activist like carrying bags or laundry feel easier

　　Regular exercise will reduce stress, keep you in a good mood and improve the quality of your sleep．

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　　As is known, dance can burn as many calories as walking, swimming, or riding a bicycle．During a half hour of dancing you can burn between 200 and 400 calories．How many calories you'll burn is determined by the distance you travel．We've found it quite possible for a dancer to cover more than a mile at a brisk pace in a single evening of dancing．

　　Regular exercise can lead to slower heart rate and lower blood pressure．Experts typically recommend 30-40 minutes of continuous activity three or four times a week．Dancing may not provide all the conditioning you need, but it can help．The degree of cardiovascular(心血管性的)conditioning depends on how vigorously(精力旺盛地) you dance, how long you dance continuously and how regularly you do it．Besides, the side to side movements of many dances can strengthen your weight-bearing bones and can help prevent or slow loss of bone mass from osteoporosis(骨质疏松)．On the other hand, dancing contains a social tie that solitary fitness endeavors don't．It gives you a chance to develop strong social ties, self-esteem and a positive attitude．So why not join us right now and experience the best part of life tonight?

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阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。

　　If you’re a male and you’re reading this, congratulations：you’re a survivor．According to a survey, you’re more than twice as likely to die of skin cancer than a woman, than nine times more likely to die of AIDS．Assuming you make it to the end of your natural term, about 78 years for men in Australia, you'll die on average five years before a woman．

　　There’re many reasons for this-typically, men take more risks than women and are more likely to drink and smoke-but perhaps more importantly, men don't go to the doctor．

　　“Men aren't seeing doctors as often as they should, ” says Dr．Gullotta．“This is particularly so for the over-40s, when diseases tend to strike．”

　　Gullotta says a healthy man should visit the doctor every year or two．For those over45, it should be at least once a year．

　　Two months ago Gullotta saw a 50-year-old man who had delayed doing anything about his smoker's cough for a year．

　　“When I finally saw him it had already spread and he finally died from lung cancer, ” he says．“Earlier detection and treatment may not have cured him, but it would have prolonged(延长)his life．”

　　According to a recent survey, 95％ of women aged between 15 and early 40s see a doctor once a year, compared to 70％ of men in the same age group．

　　“A lot of men think they can never defeated, ” Gullotta says．“They only come in when a friend drops dead on the golf course and they think, ‘Geez, if it could happen to him, …’”

　　Then there's the ostrich(鸵鸟)approach．“Some men are scared of what might be there and would rather not know, ” says Dr, Ross Cartmill．

　　“Most men get their cars serviced more regularly than they service their bodies, ” Cartmill says．He believes most diseases that commonly affect men could be addressed by preventive check-ups．

　　Regular check-ups for men would inevitable place strain on the public purse, Cartmill says．“But prevention is cheaper in the long run than having to treat the diseases．Besides, the ultimate cost far greater; it's called premature death．”

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