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2021-22学年度第37期总第774期(6版) 发布时间:2022-03-21 点这里下载本页内容 (23.0 KB) 2021-22学年度第37期总第774期(6版) Slow walk to science success (P6)
I. Read for general information. Read the passage quickly and find its main idea. __________________________________________ __________________________________________
II. Read and answer the following questions. 1. Why was David Bennett given a pig heart? __________________________________________ __________________________________________
2. Why was David’s xenotransplantation a success? __________________________________________ __________________________________________
3. What are some of the difficulties in xenotransplantation? __________________________________________ __________________________________________
III. Find the following expressions in the text. 1. 接受者 2. 有问题,有错误 3. 外科手术 4. 替代物 5. 难以置信地;极其 6. 排斥; 拒绝 7. 除......之外
参考答案 I. The recipient of the world’s first pig heart transplant died but the surgery represents a great step forward in medical history toward xenotransplantation success. II. 1. Because he was ineligible for the heart transplant list and xenotransplantation was his only option. 2. Because he was able to get two more months of life with the surgery. 3. First, it is incredibly difficult to be successful due to organ rejection. Second, it has been highly restricted due to fear of virus transmissions from primates or pigs. III. 1. recipient 2. be at fault 3. surgery 4. alternative 5. incredibly 6. rejection 7. aside from
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