問題詳情

二、綜合測驗 48% 
(A) Henrietta Lacks was an African-American woman who was the unwittingsource of the HeLa cell line. After giving birth to her fifth child, Henrietta startedbleeding abnormally and profusely, and was diagnosed with a cervical cancer, whicheventually cut her down in the 13 of her life. During her cancer treatment, adoctor at Johns Hopkins hospital took a sample of her tumor without her knowledgeand sent it over to a colleague of his, Dr. George Gey, who 14 for twenty years,unsuccessfully, to grow human tissues from cultures. A lab assistant there, MaryKubicek, made an 15 discovery that Henrietta’s cells, unlike normal humancells, could live outside the body and reproduce an entire generation everytwenty-four hours. This development 16 an enormous boon to medical andbiological research and demand for the HeLa cells quickly grew. They continued tolive on, bought and sold 17 the trillions from one laboratory to another. Today,these cells have multiplied in laboratories worldwide to the point that, if you 18weigh all the cells that currently exist, they would weigh about 50 million metrictons—about as much as 100 Empire State Buildings. This is an inconceivable number,19 an individual cell weigh almost nothing.    Many people believe that HeLa cells have been one of the most importantdevelopments in medicine over the last hundred years and these cells do help withsome of the most notable advances in medicine, 20 polio vaccine 20 genemapping. Nonetheless, this cell line also 21 a heated argument about medicalethics. Is it morally acceptable that doctors take cell samples without 22 thepatient and use them for experiments? Innumerable doctors and researchers becamefamous and rich by taking advantage of Henrietta’s cells, 23 her family werekept in the dark about the existence of the tissue line and couldn’t even afford healthcare. With medical advances and respect for the patient on the two sides of the scale,the issue of medical ethics may continue to remain controversial.
13.
(A) milestone
(B) span
(C) prime
(D) length

參考答案

答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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