Topic(题目)：
The twentieth century saw great change. Inyour opinion, what is one change that shouldbe remembered about the twentieth century? Use specific reasons and details to explain yourchoice.
Model Essay(范文)：
There have been many changes ,both technological and cultural, in the twentieth century. Ibelieve that one stands out above the rest :advances in medical science. The changes inmedical science go together with the changes in technological and cultural areas. One can moveahead only with the help of the others. We can see the results of medical advances in threeareas: development of vaccines and antibiotics, expanded access to health care , andimproved 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 healthcare for 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.
重点单词 全部解释
control[kən'trəul]n. 克制，控制，管制，操作装置
vt. 控制
efficient[i'fiʃənt]adj. 效率高的，胜任的
laser['leizə]n. 激光，镭射
antibiotics[.æntibai'ɔtiks]n. 抗生素，抗生学
vaccine['væksi:n]n. 疫苗
specific[spi'sifik]adj. 特殊的，明确的，具有特效的
n. 特
unfortunate[ʌn'fɔ:tʃənit]adj. 不幸的，令人遗憾的，不成功的
n.
prevent[pri'vent]v. 预防，防止
available[ə'veiləbl]adj. 可用的，可得到的，有用的，有效的
quality['kwɔliti]n. 品质，特质，才能
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