首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
考研
Prescribe a Medicine Square to Come to Promote Intelligence Quotient When researchers come up with a new treatment that make
Prescribe a Medicine Square to Come to Promote Intelligence Quotient When researchers come up with a new treatment that make
admin
2013-05-04
79
问题
Prescribe a Medicine Square to Come to Promote Intelligence Quotient
When researchers come up with a new treatment that makes us feel or work better, it’s usually not just the truly sick who end up going in for an upgrade. The progress in developing treatments for illnesses that ravage memory and thought raises an important question: might the same tools be used to improve the functioning of minds that by most standards are already running fairly smoothly? We may well be approaching an era of designer brains, in which those of us feeling a little foggy or dull can have our IQ, fast recall, and self-confidence inflated up via the prescription pad. "Some brain-related conditions we think of as ordinary," says Lynch, "may eventually become disorders, too" —including perhaps less-than-razor-sharp thinking.
The notion of a prescription IQ lift is hardly new. According to polls, about one in 20 college students, and higher percentages of professors, already illicitly pop some form of Ritalin or Modafinil—legitimately prescribed for attention-deficit disorder and narcolepsy, respectively—to augment alertness, concentration, and memory. But these drugs have proved only mildly effective on normal minds, and carry potentially severe side effects ranging from addiction to overstimulation.
Scientists had originally hoped that the decoding of the human genome would lead quickly to small groups of genes that control major mental disorders and traits, be the Alzheimer’s disease, intelligence, or personality. That hasn’t been the case; individual genes turn out in most cases to only weakly affect the brain, with most illnesses emerging from the interaction of large, complex networks of hundreds of genes.
That challenge hasn’t kept researchers from tracking down many of the genes in these networks to chip away at the genetic roots of mental disorders—and to come up with possible treatments based on some of those findings. The result is that medicine may allow us to challenge our genetic inheritance and repair environmental insults to the brain, whether as Alzheimer’s sufferers or just moody, forgetful people and hazy thinkers. Techniques undergoing testing now include altering genes within brain cells, or even pushing genes into creating altogether new brain cells. Neurologix in Fort Lee, New Jersey, for example, is developing brain-related gene therapies, which involve injecting harmless viruses that insert custom-built genes into cells. Though other experimental gene therapies have in the past often caused severe and even fatal side effects, Neurologix hopes to avoid them by targeting the viruses only at those cells that need repairing.
In Fact, We won’t necessarily have to turn to these more radical therapies to sharpen our thinking. The genetic and other new scientific insights into the brain are also helping to point the way to new drugs targeted at brain disorders—drugs that may also end up being taken as smart drugs by many of us without serious disorders.
From the forth paragraph, we can learn that______.
选项
A、Breakthrough in medicine has made it possible for human to defy genetics
B、Genes have been used successfully to create brain cells
C、Gene therapies could be harmlessly employed in brain cell repairing in the future
D、The envionment has a much more powerful effect on brain than genetics
答案
C
解析
语义分析题。根据题干关键词the fourth paragraph定位到原文第四段段末句:Though other experimental gene therapies have in the past often caused severe and even fatal side effects,Neurologix hopes to avoid them by targeting the viruses only at those cells that need repairing.可知,一些基因疗法的尝试有严重甚至致命的副作用,但是有希望将无害病毒只定向地插入那些需要修复的细胞,从而避免副作用,故[C]项符合原文。医药学只可能挑战基因遗传并修复环境造成的损伤,但并非已成为现实,排除[A]、[B]项;原文未比较环境和遗传的影响.[D]项未提及。
转载请注明原文地址:https://kaotiyun.com/show/8xd4777K
0
考研英语一
相关试题推荐
HenriMatisseoriginallytrainedasalawyer,turningtoartwhilstrecoveringfromappendicitis.(46)InitiallyseducedbytheI
GregFocker,playedbyBenStiller,representsagenerationofAmericankids(1)_____inthe1980sonthephilosophythatanyac
Lotsofcreaturesalreadyreproducewithoutsex.SincethebirthofLouiseBrown,thefirsttest-tubebaby,in1978,(1)_____of
Oneofthemostfashionabletreatmentsfordisease,genetherapy,hassofarmadelittleheadwayintacklingoneofthemostmod
Operatingasinglecurrencyisnotgoingtobeeasy.Europeaneconomicand(1)_____unionwillnotfunction(2)_____hitches.(3
Writeapostertoyourschoolmates,informingthemofanewbooktobereleased.Youshouldwriteabout100words.Dono
Fenghuaisoneofyourgoodfriendsandschoolmates.Hehasbeenaddictedtosmokingforalongtime.Duringalecturethisweek
IntheUnitedStatestoday,coffeeisamorepopulardrink(1)_____tea,butteaplayed(2)_____interestingpartinthehistory
Anawkward-lookingcharactersuchasCyranodeBergeracmightsniffatthesuggestion,butrecentscientificresearchshowsbeau
Researchershavefoundthatmigratinganimalsuseavarietyofinnercompassestohelpthemnavigate.Some(1)_____bytheposit
随机试题
洪秀全宣传朴素平等观念,并为太平天国农民战争提供思想基础的文献有
1979年,邓小平在理论工作务虚会上指出,实现四个现代化的根本前提是()
患者男,21岁。急起兴奋,乱语,说有人要杀他,行为冲动6个小时入院。仔细追问病史,患者6小时前和朋友在歌厅唱歌时一起服用冰毒,具体剂量不详,服用后不久开始出现症状。患者既往没有类似发作,但经常服用此类物质超过半年。对此患者目前的处理正确的是
周作人在“五四”文学革命中的主要贡献是()。
在小李等车期间,有豪华型、舒适型、标准型三辆旅游车随机开过。小李不知道豪华型的标准,只能通过前后两辆车进行对比。为此,小李采取的策略是:不乘坐第一辆,如果发现第二辆比第一辆车更豪华就乘坐;如果不是,就乘坐最后一辆。那么,他能乘坐豪华型旅游车的概率是:
Wehadto______alotofnoisewhenthechildrenwereathome.
在辩证法看来,否定
Musiccomesinmanyforms;mostcountrieshaveastyleoftheirown.【C1】______theturnofthecenturywhenjazz(爵士乐)wasborn,
结构化布线成为网络设计和管理的首先考虑的问题,当实施结构化布线时,需要进行详细的规划设计。
查询订购单号首字符是“P”的订单信息,应该使用命令
最新回复
(
0
)