number sense is not the ability to count阅读理解答案与解析

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1、Numbersenseisnottheabilitytocount阅读理解答案与解析Numbersenseisnottheabilitytocount.Itistheabilitytorecognizea1innumber.Humanbeingsarebornwiththisability.2，experimentsshowthatmanyanimalsare,example,manybirdshavegoodnumbersense.Ifanesthasfoureggsandyouremoveone,thebirdwi

2、llnot3.However,ifyouremovetwo,thebird4leaves.Thismeansthatthebirdknowsthe5betweentwoandthree.Anotherinterestingexperimentshowedabird’s6numbersense.Amanwastryingtotakeaphotoofacrow(乌鸦)thathadanestinatower,butthecrowalwaysleftwhenshesawhimcoming.Thebirddidnot7unti

3、lthemanleftthetower.Themanhadan8.Hetookanothermanwithhimtothetower.Onemanleftandtheotherstayed,buttheydidnot9thecrowstayedawayuntilthesecondmanleft,too.Theexperimentwas10withthreemenandthenwithfourmen.Butthecrowdidnotreturntothenestuntilallthemenwere11.Itwasnotu

4、ntilfivemenwentintothetowerandonlyfourleftthattheywere12abletofoolthecrow.Howgoodisahuman’snumbersense?It’snotverygood.Forexample,babiesaboutfourteenmonthsoldalmostalwaysnoticeifsomethingistakenawayfroma13whenthenumbergoesbeyondthreeorfour,thechildrenare14fooled

5、.Itseemsthatnumbersenseissomethingwehaveincommonwithmanyanimalsinthisworld,andthatourhuman15isnotmuchbetterthanacrow’s.riseB.patternC.changeD.trendImportantlyC.DisappointedlyD.Fortunately3.C.hatchD.notice4.5．6．7.A.relaxD.return8.A.appointmentC.ideaD.explanation9

6、.A.foolB.hurtC.catchD.killrepoB.repeatedC.designedD.approvedconfusedB.goneC.tiredD.drunkgraduallyB.luckilyC.strangelyD.finally13.A.singleB.smallC.localD.new14.A.seldomB.temporarilyD.often15.A.sightB.natureC.abilityD.Belief答案及解析：本文在讲述什么是数字感之后重点介绍有关动词也具有数字感的实验，实验结

7、果表明许多动物和人一样具有数字感，且人的这种感知数字变化的能力并不比乌鸦的这种能力强多少。1.C由下文的两个实验来看，都是数理的“变化”。其他三个选项“上升”“样式”“趋势”与文中内容几乎毫无关系。2.B因“实验表明许多动物也跟人类一样具有这种能力”，这是“令人惊讶的”。其他选项“重要地”“失望地”“幸运地”与上下文内容无联系。3.D结合下句，特别是however可知，上下句的大意应是“如果鸟巢内有四个蛋，你移走一个蛋，这只鸟会没有注意到；然而，如果你移走两个蛋，这只鸟就会离开这里了”。其他选项“幸存”“关心”“孵化”

8、不合语境。4.A把这只鸟“通常”会离开，因为这个具体的例子是用来说明“manybirdshavegoodnumbersense”这个主题的。“真诚地”“无意地”“故意地”不合语境。5.C这个例子谈到，四个中移走一个余下三个，这只鸟会注意不到；若移走两个，余下两个了，这只鸟就会离开这里了。这说明这只鸟知道余下两个与余下三个的“差别”