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
专升本
All that we really need to plot out the future of our universe are a few good measurements. This does not mean that we can sit d
All that we really need to plot out the future of our universe are a few good measurements. This does not mean that we can sit d
admin
2007-12-11
110
问题
All that we really need to plot out the future of our universe are a few good measurements. This does not mean that we can sit down today and outline the future course of the universe with anything like certainty. There are still too many things we don’t know about the way the universe is put together. But we do know exacdy what information we need to fill in our knowledge, and we have a pretty good idea of how to go about getting it. Perhaps the best way to think of our present situation is to imagine a train coming into a switchyard(调车场). All of the switches(转辙器) are set before the train arrives, so that its path is completely determined. Some switches we can see, others we cannot. There is no ambiguity if we can see the setting of a switch; we can say with confidence that some possible futures will not materialize and others will. At the unseen switches, however, there is no such certainty. We know the train will take one of the tracks leading out, but we have no idea which one. The unseen switches are the true decision points in the future, and what happens when we arrive at them determines the entire subsequent course of events.
When we think about the future of the universe, we can see our "track" many billions of years into the future, but after that there are decision points to be dealt with and possible fates to consider. The goal of science is to reduce the ambiguity at the decision points and find the true road that will be followed.
For whom is the author probably writing this passage?
选项
A、Train engineers.
B、General audiences.
C、Professors of statistics.
D、Young children.
答案
B
解析
推断题。通观全文,文章主要讲未来的发展很多是我们不可知的。不可能是对火车工程师或统计学教授讲的,对小孩来说又太抽象难懂了,所以只有可能是写给普通大众的。
转载请注明原文地址:https://kaotiyun.com/show/zILC777K
本试题收录于:
英语题库普高专升本分类
0
英语
普高专升本
相关试题推荐
Distancelearningisdifferentfromthetraditionalcorrespondencecourseinthat______.Someteachersareconcernedaboutdist
Manypeoplekeeptheir______(save)inbanks.
About70millionAmericansaretryingtoloseweight.Thatisalmost1outofevery3peopleintheUnitedStates.Somepeopleg
Inordertolearntobeone’strueself,itisnecessarytoobtainawideandextensiveknowledgeofwhathasbeensaidanddone
Inordertolearntobeone’strueself,itisnecessarytoobtainawideandextensiveknowledgeofwhathasbeensaidanddone
______whowouldliketogoonthetripshouldputtheirnamesonthelist.
______fromspace,ourearth,withwatercovering70%ofitssurface,appearsasa"blueplanet".
Whenaluminumwasfirstproducedaboutahundredandfiftyyearsago,itwassodifficulttoseparatefromtheores(矿石)inwhich
Inancienttimesthemostimportantexaminationswerespoken,notwritten.IntheschoolsofancientGreeceandRome,testingus
Wewerenotsurprisedat______,forhehadworkedsohard.
随机试题
以下严禁装药爆破的情况是()。
某电脑公司为了赢得顾客的信赖,扩大市场份额,采取了一系列措施,例如加强产品质量宣传,进行市场调查,收集顾客反馈信息,增加售后服务网点,通过质量管理体系认证。以下是顾客满意的基本特性的是_________。
研究耐盐碱的海水稻.有助于突破我国18亿亩有限的耕地资源约束,并在很大程度上缓解人类水资源、可耕地和粮食三大危机。下列关于海水稻的说法,错误的是()。
关于马克思主义法学对法的本质的界定,下列说法正确的是
各地中国共产党早期组织成立以后,主要进行的工作有()
Peoplehavewonderedforalongtimehowtheirpersonalitiesandbehaviorsareformed.Itisnoteasytoexplainwhyoneperson
Youwillhearfiveshortrecordings.Fivespeakersaretalkingaboutdelegatingatwork.Foreachrecording,decidewhatadvice
—"TheGreenswatchTVallthetime."—"______dotheBrowns."
ResearchersfromtheUniversityofPlymouthinEnglandwonderedwhethermoodmightaffectthewaykidslearn.Tofindout,they
I’msorrytosaythatyouhavemadeno(improve)______onthedesignatall.
最新回复
(
0
)