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GRE考试作文点评之篇
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广告招租，e-mail:yesize@hotmail.com Argument 34: <br> <br> (BY tju_gis) <br> <br> Milk and dairy products are rich in vitamin D and calcium, substances essential for building and maintaining bones. Many people therefore believe that a diet rich in dairy products can help prevent osteoporosis, a disease in which the bones weaken significantly with age and that is linked to both environmental and genetic factors. But a long-term study of a large number of people has found that those who have consistently consumed dairy products throughout the years of the study have a higher rate of bone fractures than any other participants in the study. Since bone fractures are a symptom of osteoporosis, this study result shows that a diet rich in dairy products may actually increase, rather than decrease, the risk of osteoporosis. <br> <br> In this argument ,the arguer concludes that a diet rich in dairy products may increase,instead of decreasing the risk of osteoporosis,alluding that we should limit the consume of such products for health’s sake,To support this conclusion, the arguer cites the result of a study that those who have consisitantly consumed dairy products are more vulnerable than others to bone fracture,and fracture is a symptom of osteoporosis,hence more vulnerable to osteoporosis.It seems reasonable at first glance,a close examination with it ,however,will reveal several inherent flaws of it. In the first place ,the argument is based on a gratituous assumption that osteoporosis equals bone fracture,which is unwarrented.As we know ,there may be alternative reasons such as sports and traffic accidents that cause bone fracture. <br> <br> Unless a convincing survey with the reasons of bone fractures of the individuals involved in the study is proposed that all fractures are caused by osteoporosis,the study will lend little support to the argument for its own representiveness is suspected. <br> <br> In addition ,the arguer fails to takesintosaccount the age,hobby an......
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