首页
登录
职称英语
[originaltext] British scientists are preparing to launch trials of a radica
[originaltext] British scientists are preparing to launch trials of a radica
游客
2023-08-04
42
管理
问题
British scientists are preparing to launch trials of a radical new way to fight cancer, which kills tumours by infecting them with viruses like the common cold. If successful, virus therapy could eventually form a third pillar alongside radiotherapy and chemotherapy in the standard arsenal against cancer, while avoiding some of the side-effects.
Leonard Seymour, a professor of gene therapy at Oxford University, will lead the trials later this year. One of the country’s leading geneticists, Prof Seymour has been working with viruses that kill cancer cells directly, while avoiding harm to healthy tissue. "In principle, you’ve got something which could be many times more effective than regular chemotherapy," he said.
Preliminary research on mice shows that the viruses work well on tumours resistant to standard cancer drugs. "It’s an interesting possibility that they may have an advantage in killing drug-resistant tumours, which could be quite different to anything we’ve had before."
Researchers have known for some time that viruses can kill tumour cells and some aspects of the work have already been published in scientific journals. American scientists have previously injected viruses directly into tumours but this technique will not work if the cancer is inaccessible or has spread throughout the body.
Prof Seymour’s innovative solution is to mask the virus from the body’s immune system, effectively allowing the viruses to do what chemotherapy drugs do—spread through the blood and reach tumours wherever they are. The big hurdle has always been to find a way to deliver viruses to tumours via the bloodstream without the body’s immune system destroying them on the way.
The therapy would be especially useful for secondary cancers, which sometimes spread around the body after the first tumour appears. "There’s an awful statistic of patients in the west with malignant cancers; 75% of them go on to die from secondary cancers," said Prof Seymour.
Several more years of trials will be needed, before the therapy can be considered for use in the NHS. Though the approach will be examined at first for cancers that do not respond to conventional treatments, Prof Seymour hopes that one day it will be applied to all cancers.
20.What’s the possible advantage of virus therapy according to Prof Seymour?
21.What’s the big challenge facing virus therapy?
22.What does Prof Seymour want to do with virus therapy?
选项
A、It won’t have any side-effect.
B、It can kill drug-resistant tumours.
C、It can be as effective as conventional treatments.
D、It can stop cancer cells from spreading in the body.
答案
B
解析
本题问的是病毒疗法可能具有的优势。讲话中提到:“有意思的是,这些病毒可能具有这么一种优势——它们能杀死具有抗药性的肿瘤。”故选B项。选项中的it指代的是virus therapy,而possible advantage是对讲话中possibility that they may have an advantage的同义替换。kill drug—resistant turnouts是原词复现。其他三项均与讲话内容不符,故排除。
转载请注明原文地址:https://tihaiku.com/zcyy/2897582.html
相关试题推荐
[originaltext]Goodafternoon.Intoday’stalk,we’lldiscusshowmanagersc
[originaltext]Goodafternoon.Intoday’stalk,we’lldiscusshowmanagersc
[originaltext]Goodafternoon.Intoday’stalk,we’lldiscusshowmanagersc
[originaltext]Workingforanewventurecomeswithalotofrisks—thatis,
[originaltext]Workingforanewventurecomeswithalotofrisks—thatis,
[originaltext]RobertGoddard,anAmericanbornin1882,iswidelyregarded
[originaltext]RobertGoddard,anAmericanbornin1882,iswidelyregarded
[originaltext]RobertGoddard,anAmericanbornin1882,iswidelyregarded
[originaltext]Theroleofhomeworkinclassroomsisnotanewdebate.Many
[originaltext]W:Howwasyourholiday?Nottoomanyothertouristsaround,
随机试题
ThereasonBeethovenwentawaytothecountryis______.A、thathewasgraduallyg
Iaskedsuccessfulpeoplewhatthesecretoftheirsuccesswas.I【B1】______a
TheKalinagotribe,ontheislandofDominica,isundersomehistoricpopula
当某商品当年年底商品存货量增加时,则表示()。A、当年商品的供应量大于需求量B、当年商品的供应量小于需求量C、下年的商品期货价格很可能会下跌D、下
建设单位不得对勘察、设计、施工、工程监理等单位提出不符合建设工程安全生产法律、法
通用汽车(中国)投资有限公司分批召回了存在问题的国产雪佛兰以及别克品牌车辆,这些
甲公司生产某项产品,单位成本为每台10元,产品的月销售量平均为10000台。为在
就业歧视,是指用人单位没有合法依据,对未来潜在的就业人员自行作出各种限制性条款,
(2014真题)根据《建设工程工程量清单计价规范》GB50500-2013,关于
男,70岁。1小时前呕血1OOOml。既往史:HBsAg(+)20年,冠心病史1
最新回复
(
0
)