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Tiny pieces of gold could be used in the fight against cancer, new research has suggested. Scientists at Edinburgh University ha
Tiny pieces of gold could be used in the fight against cancer, new research has suggested. Scientists at Edinburgh University ha
admin
2022-09-27
15
问题
Tiny pieces of gold could be used in the fight against cancer, new research has suggested. Scientists at Edinburgh University have just completed a study which shows the【C1】________metal increased the effectiveness of drugs used to treat lung cancer cells. Minute fragments, known as gold nanoparticles(纳米粒子), were【C2】________in a chemical device by the research team.
While this has not yet been tested on humans, it is hoped such a device could one day be used to reduce side effects of current chemotherapy treatments by【C3】________targeting diseased cells without damaging healthy tissue. Gold is a safe chemical element and has the ability to【C4】________chemical reactions.
Researchers at the University of Edinburgh discovered properties of the metal that allow these catalytic abilities to be accessed in living things without any side effects. The device was shown to be effective after being【C5】________in the brain of a zebrafish, suggesting it can be used in living animals.
The study was carried out in【C6】________with researchers at the University of Zaragoza’s Institute of Nanoscience of Edinburgh’s CRUK Edinburgh Centre, said: “We have discovered new【C7】________of gold that were previously unknown and our findings suggest that the metal could be used to【C8】________drugs inside tumours very safely. There is still work to do before we can use this on【C9】________, but this study is a step forward. We hope that a similar device in humans could one day be implanted by surgeons to activate chemotherapy directly in tumours and reduce harmful effects to healthy organs.” The next steps will be to see if this method is【C10】________to use in people, what its long-and short-term side effects are, and if it’s a better way to treat some cancers.
A) accelerate F) implanted K) properties
B) cautiously G) patients L) release
C) collaboration H) precious M) relieve
D) elaboration I) precisely N) safe
E) encased J) previous O) unsafe
【C3】
选项
答案
I
解析
空格前是介词by,空格后是动词现在分词targeting,故此处应填入副词来修饰动词。该句意为“尽管该仪器还未在人体上试验,但大家都期待,该仪器未来能在不损害健康细胞的前提下,通过_____击中染病细胞,来减少目前化学疗法产生的副作用”。I项precisely“确切地,精确地”与减少副作用构成语义一致,故为答案。
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0
大学英语六级
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