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
外语
Taking a cell, practically any cell, from your body, the theory goes, and through appropriate biological tinkering(摆弄) you can
Taking a cell, practically any cell, from your body, the theory goes, and through appropriate biological tinkering(摆弄) you can
admin
2009-06-15
79
问题
Taking a cell, practically any cell, from your body, the theory goes, and through appropriate biological tinkering(摆弄) you can cause it to grow into a duplicate of yourself—identical from eyelashes to toenails. No need for procreational(生育的) sex any more;(51) this system, you can neatly reproduce yourself without a(52). Human cloning, it is called. Science fact or science fiction? What would happen if human cloning became a(53)? One favorite scenario is the(54)of a new(55)of Hitlers—or Einsteins. Scientists quickly disclaim the possibility. "It is more than genetic make-up that makes an individual." Says Markert of Yale University, "We are all products of a particular(56)era and of a special environment, with so many minute things(57)the way we develop each and every day, even in the womb, that a duplicate background--and therefore a duplicate(58)could never be created."
Already biologists studying the cell’s(59)workings and the various methods of cloning have made discoveries that may ultimately lead to breakthroughs(60)the fight against cancer, control of the aging process, and the conquest of more than 100 presently incurable human genetic diseases. To(61)cloning-related research would mean closing the door(62)and important area of knowledge. To continue to probe the secrets of the cell, however, is perhaps to(63)the secret of human cloning. And, given the nature of man, if it can be done it will be done. What then is the(64)?
Says Congressman Rogers: "It is clear that human cloning is not yet possible. The day when it will be—if ever—is far(65). For now, at least, the benefits of cell-biology research outweigh the risks."
选项
A、to
B、of
C、on
D、onto
答案
C
解析
close the door on(shut the door on)拒绝利用……机会;宣称……没有希望得到。
转载请注明原文地址:https://kaotiyun.com/show/rTLd777K
本试题收录于:
职称英语理工类A级题库职称英语分类
0
职称英语理工类A级
职称英语
相关试题推荐
FirstaidmaybringaboutallthefollowingresultsEXCEPTInadministeringfirstaidtoavictim,youshouldfirstofall
Initiallythewriterdidnotwanttobuyahearingaidbecause______.WhichofthefollowingisNOTtrueofCrystalEar?
Thepassageconfirmsthatusingtanningequipmentisharmfultoone’shealth.Thehighestrateofskincancersisfoundinteen
Once-dailyPillCouldSimplifyHIVTreatmentBristol-MyersSquibbandGileadScienceshavecombinedmanyHIVdrugsintoasi
A.ifthereisn’tenoughdopamineinyourbodyB.whataffectsmusclesallthroughyourbodyC.whichcannotbecuredye
Unlikegases,liquidsaredifficulttocompressbecausethereispracticallynofreespacebetweenmolecules.
ExerciseCanReplaceInsulinforElderlyDiabeticsMostolderpeoplewithso-calledtypeIIdiabetescouldstoptakinginsul
ExerciseCanReplaceInsulinforElderlyDiabeticsMostolderpeoplewithso-calledtypeIIdiabetescouldstoptakinginsul
FermiProblemOnaMondaymorninginJuly,theworld’sfirstatombombexplodedinNewMexicodesert.Fortysecondslater,t
随机试题
马克思主义政党是【】
化湿开窍、宁心安神药是疏肝解郁、宁心安神药是
根据《环境影响评价技术导则一大气环境》,在评价范围基础上对大气环境影响预测范围调整时,考虑的因素可不包括()。
下列各项指标中,可用于分析企业长期偿债能力的有()。
()是价格变动对财政收入影响的首先表现。
根据《上市公司章程指引》的规定,上市公司的股东大会可以审议批准的担保行为有()。
16世纪末,伽利略通过在比萨斜塔所做的自由落体实验,推翻了亚里士多德关于物体的降落速度与物体的重量成正比的说法。这件事说明()。
人们常说“聪明早慧”“大器晚成”,这说明人的身心发展具有()。
水果店运来的西瓜个数是哈密瓜个数的4倍,如果每天卖130个西瓜和36个哈密瓜,那么哈密瓜卖完后还剩下?0个西瓜。该店共运来西瓜和哈密瓜多少个?()
A、 B、 C、 C
最新回复
(
0
)