Which of the following headings is that of Paragraph Two? The aim of a nuclear reactor is ______.

admin2011-10-20 44

问题 Which of the following headings is that of Paragraph Two?
The aim of a nuclear reactor is ______.

选项 A、to establish a controlled chain reaction in low concentrations of fissile material
B、to absorb neutrons travelling at a particular speed
C、to cause a rapid chain reaction in order to release the greatest amount of energy
D、to last the chain reaction forever

答案A

解析根据文章第二段，核反应除了能在原子弹内进行外，还可以在一种叫核反应堆的建筑里进行。在核反应堆里有一些不易裂变的原料，例如石墨，通过使这种不易裂变的原料与那些易裂变的原料接触去控制核反应的进行。

转载请注明原文地址:https://jikaoti.com/ti/yS0RFFFM

考研英语一

相关试题推荐

Theauthor’spresentationofAtlantans’car-dependenceismeantIneyesofthewriter,thebestsolutiontothetrafficproblem
ItisimpliedinthefirstsentencethatdoctorsinPhiladelphiaBymentioning"doubledipping"(Paragraph4),theauthoristal
Youaregoingtoreadanarticlewhichisfollowedbyalistofexamplesorheadings.Choosethemostsuitableonefromthelist
AccordingtoAnneKrueger,long-termgovernmentprotectiongiventosteelcompaniesTheauthor’sattitudetowardsthemeasurea
AccordingtoAnneKrueger,long-termgovernmentprotectiongiventosteelcompaniesWhichofthefollowingcanbeadisadvantag
ThewildbehaviordepictedinthefirstparagraphisintendedtoThebasicproblemofpeoplepressurefacingtheSaudiauthorit
Britain’sgardenershaverevealedoneoftheirgreatestpethates—otherpeople’scats.Okay,they’resadisticmurderers—butisi
Asamediumofexchange,moneypermitstheseparationofexchangeintothetwodistinctactsofbuyingandselling,withoutrequ
Economistsbelievethatjobearningsinfluencechoiceofoccupation.Theyacknowledgethatpeopleplacevaryingemphasis【C1】____
Accordingtothepassage,whichofthefollowingeighteenth-centurydevelopmentshadastrongimpactonsilversmiths?According

随机试题

考察一个中间商，需要综合考虑其_______等因素。
患者的CVP为4cmH2O，血压69／49mmHg，尿量每小时llml，护士应该为患者采取的措施是
胆汁可以促进脂肪的消化和吸收，主要是由于它含有()。
个人计算机属于()。
在集装箱货物的流通过程中，货物的集散方式呈现（）状态。
行为主义主要的假设是()。
可持续发展是指既能满足当代人的需求，又不损害后代人满足其需求的能力的发展。（）
我国第一部封建成文法典的制定者是()。
凯恩斯的流动性偏好理论
A、 B、 C、 D、 D当x→1时，分子与分母的极限皆为零，分子中含有根式，故先有理化再求极限．故选D．

最新回复(0)

Which of the following headings is that of Paragraph Two? The aim of a nuclear reactor is ______.

考研英语一

Theauthor’spresentationofAtlantans’car-dependenceismeantIneyesofthewriter,thebestsolutiontothetrafficproblem

ItisimpliedinthefirstsentencethatdoctorsinPhiladelphiaBymentioning"doubledipping"(Paragraph4),theauthoristal

Youaregoingtoreadanarticlewhichisfollowedbyalistofexamplesorheadings.Choosethemostsuitableonefromthelist

AccordingtoAnneKrueger,long-termgovernmentprotectiongiventosteelcompaniesTheauthor’sattitudetowardsthemeasurea

AccordingtoAnneKrueger,long-termgovernmentprotectiongiventosteelcompaniesWhichofthefollowingcanbeadisadvantag

ThewildbehaviordepictedinthefirstparagraphisintendedtoThebasicproblemofpeoplepressurefacingtheSaudiauthorit

Britain’sgardenershaverevealedoneoftheirgreatestpethates—otherpeople’scats.Okay,they’resadisticmurderers—butisi

Asamediumofexchange,moneypermitstheseparationofexchangeintothetwodistinctactsofbuyingandselling,withoutrequ

Economistsbelievethatjobearningsinfluencechoiceofoccupation.Theyacknowledgethatpeopleplacevaryingemphasis【C1】____

Accordingtothepassage,whichofthefollowingeighteenth-centurydevelopmentshadastrongimpactonsilversmiths?According

考察一个中间商，需要综合考虑其_______等因素。

患者的CVP为4cmH2O，血压69／49mmHg，尿量每小时llml，护士应该为患者采取的措施是

胆汁可以促进脂肪的消化和吸收，主要是由于它含有()。

个人计算机属于()。

在集装箱货物的流通过程中，货物的集散方式呈现（）状态。

行为主义主要的假设是()。

可持续发展是指既能满足当代人的需求，又不损害后代人满足其需求的能力的发展。（）

我国第一部封建成文法典的制定者是()。

凯恩斯的流动性偏好理论

A、 B、 C、 D、 D当x→1时，分子与分母的极限皆为零，分子中含有根式，故先有理化再求极限．故选D．