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" Before the operation, I would look at someone and all I could see for their face was jelly," says Jonathan Wyatt. "Now, I can
" Before the operation, I would look at someone and all I could see for their face was jelly," says Jonathan Wyatt. "Now, I can
admin
2023-03-06
144
问题
" Before the operation, I would look at someone and all I could see for their face was jelly," says Jonathan Wyatt. "Now, I can see people’s faces." The 65-year-old is one of six people in the world to receive gene therapy for a【C1】________type of inherited eye disease【C2】________choroideremia (an eye disease). The first published【C3】________of the trial, released today, suggest that【C4】________people’s genes can stop the disease from causing blindness—and【C5】________sight in those whose vision has become【C6】________.
Choroideremia is caused by【C7】________in the CHM gene. In those who have the disease, a【C8】________of REP-1 means that cells in the eyes stop working and slowly begin to【C9】________causing blindness. Enter gene therapy, which uses a virus to insert a【C10】________copy of a gene into cells with a gene defect and could【C11】________be used to treat many genetic conditions. Robert MacLaren of the University of Oxford and his colleagues decided to see if it could【C12】________choroideremia. Starting two years ago with Wyatt, they【C13】________a virus carrying a corrective copy of the CHM gene into the eyes of people with choroideremia. Today the team【C14】________that of the six people who received the treatment six months【C15】________or longer, all have described【C16】________in their vision. Still, the long-lasting effects of the treatment remain【C17】________Wyatt had the treatment first, so can【C18】________that the benefits seem to last two years,【C19】________he’s just one case. The treatment also can’t replace cells that have been【C20】________destroyed.
【C20】
选项
A、rarely
B、similarly
C、completely
D、partly
答案
C
解析
空格所在句中的also表明该句在承接前面一句的话题:疗效的负面情况。本段第3句对基因疗法的介绍说通过把正常基因注入到有基因缺陷的细胞中来治疗基因类疾病,说的是能治疗部分坏了的细胞,所以推断这里是从completely destroyed“彻底毁坏”的方面来说明这种疗法不如人意的地方。
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0
考研英语一
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