题目内容
17.Henrietta Lacks was born in 1920 in Virginia and raised on a tobacco farm.She married her first cousin,David Day and later settled near Baltimore in Turner Station where Day worked at a steel mill.After giving birth to her fifth child,she was diagnosed with cervical cancer.She was treated at Johns Hopkins,the only hospital within twenty miles that treated black patients and had been established as a charity hospital.In an attempt to grow everlasting cells,Dr.George Gey took samples of all women who came to Hopkins with cervical cancer.After taking a biopsy (活检) of Henrietta's cervical cancer,researcher Dr.George Gey discovered that unlike any cells they had seen before,Henrietta's cells could not only reproduce,but thrive outside the body--a breakthrough that would change modern medicine.Actually,her cells doubled in size every 24 hours and Dr.Gey shared these cells for free with any researcher interested.Later,Dr.Stanley Gartler found that Henrietta's cells were even capable of jumping out of the petri dish(培养皿) and taking other cell types.As a result,these cells,named HeLa(for Henrietta Lacks) were essential in the research into cancer,AIDS,the effects of radiation and poisonous substances,gene mapping,and countless other scientific pursuits.And they've been used in tens of thousands of research studies.
Ms.Lacks died not too long after her diagnosis in 1951.She unknowingly held the key to unlocking medical advancements in her tumor cells.Now,decades after Henrietta's death,her cells are still alive.For many years,her family knew nothing about the impact her cells had on medical science-she provided a crucial sample of cells that has furthered the knowledge of medical science and disease prevention.
Now nearly 60years after her death,in May 2011,Morgan State University in Baltimore awarded her an honorary degree.
25.What is the passage mainly about?A
A.A woman's contribution to medical progress.
B.The contribution of Johns Hopkins.
C.The original research of cancer.
D.The death of a black patient.
26.Which word can describe the cells of Henrietta Lacks?C
A.Radioactive.B.Poisonous.C.Active.D.Interesting.
27.What does the underlined word"thrive"mean probably?B
A.Die.B.Grow.C.Break.D.Change.
分析 本文主要讲的是一位名叫Henrietta Lacks 的女士因其独特的肿瘤细胞对于医药科学领域的贡献在去世60周年以后的2011年被摩根州立大学授予荣誉学位的故事.
解答 25-27.ACB
25题答案:A 考查文章大意,本文主要讲的是一位名叫Henrietta Lacks 的女士因其独特的肿瘤细胞对于医药科学领域的贡献在去世60周年以后的2011年被摩根州立大学授予荣誉学位的故事,故本题答案为A选项.
26题答案:C 考查细节推理,根据文章第二段的"Stanley Gartler found that Henrietta's cells were even capable of jumping out of the petri dish(培养皿)…"(Stanley Gartler 发现Henrietta的细胞甚至能跳出培养皿…)可知本题答案为C选项.
27题答案:B 考查细节推理,根据后面的"Actually,her cells doubled in size every 24 hours…"(事实上,她的细胞每24小时就会长大一倍…)可知本题答案为B选项.
点评 本文是一篇人物故事类阅读,题目涉及多道细节理解题,做题时结合原文和题目有针对 性找出相关语句进行仔细分析,结合选项选出正确答案.推理判断也是要在抓住关键句子的基础上合理的分析才能得出正确的答案.
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