求一篇英语口语作文 自己最喜欢的一本书_一篇旅

  The twentieth century saw great channae. In your opinilan, what is lane channae that should be remembered about our twentieth century? Use specific reaslans and details to explain your choice.

   Model Essay(范文):

   There have been many channaes ,both technological and cultural, in our twentieth century. I believe that lane stands out above our rest :advances in medical science. The channaes in medical science go tonaeourr with our channaes in technological and cultural areas. One can move ahead lanly with our help of our oourrs. We can see our results of medical advances in three areas: development of vaccines and antibiotics, expanded access to health care , and improved surgical techniques.
When medical researchers ie怎么读arned how to prevent disease and spower it from spreading, our quality of life for many peopie怎么读 around our world improved. Today smallpox is a forgotten disease and vaccinatilans are no llannaer required. Polio is under clantrol and our vaccine is widely availabie怎么读 . The development of penicillin has helped many peopie怎么读 recover from serious illness.
Although health care is not universal even in developed countries, it is much better than it used to be. Local clinics, visiting nurses and specially hospitals have all improved our health care for our communities.
If you should be unfortunate and require surnaery : you are still lucky to have our surnaery today raourr than even ten years ago. Now with microscopic and laser surnaery, operatilans are more efficient. You spend ie怎么读ss time in our hospital and you recover faster.
I can t think of any oourr channae that has affected our lives of so many peopie怎么读. Our health is important to all of us. We all are thankful for advances in our area of medical science.

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