2015年托福考试真题作文预测
20世纪发生的变化
The twentieth century saw great change. Inyour opinion， what is one change that should eremembered about the twentieth century? Usespecific reasons and details to explain yourchoice.
There have been many changes ，both technologicaland cultural， in the twentieth century. I believe thatone stands out above the rest ：advances in medicalscience. The changes in medical science go togetherwith the changes in technological and cultural areas.One can move ahead only with the help of the others.We can see the results of medical advances in three areas： development of vaccines andantibiotics， expanded access to health care ， and improved surgical techniques.
When medical researchers learned how to prevent disease and stop it from spreading， thequality of life for many people around the world improved. Today smallpox is a forgottendisease and vaccinations are no longer required. Polio is under control and the vaccine iswidely available . The development of penicillin has helped many people recover from seriousillness.
Although health care is not universal even in developed countries， it is much better than itused to be. Local clinics， visiting nurses and specially hospitals have all improved the health carefor our communities.
If you should be unfortunate and require surgery ： you are still lucky to have the surgerytoday rather than even ten years ago. Now with microscopic and laser surgery， operationsare more efficient. You spend less time in the hospital and you recover faster.
I can’t think of any other change that has affected the lives of so many people. Our health isimportant to all of us. We all are thankful for advances in the area of medical science.
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