1专题22完形填空之说明文【2013高考真题精选】(2013·广东卷)完形填空(共15小题;每小题2分,满分30分)阅读下面短文,掌握其大意,然后从1~15各题所给的A、B、C和D项中,选出最佳选项,并在答题卡上将该项涂黑
Numbersenseisnottheabilitytocount
Itistheabilitytorecognizea1innumber
Humanbeingsarebornwiththisability
2,experimentsshowthatmanyanimalsare,too
Forexample,manybirdshavegoodnumbersense
Ifanesthasfoureggsandyouremoveone,thebirdwillnot3
However,ifyouremovetwo,thebird4leaves
Thismeansthatthebirdknowsthe5betweentwoandthree
Anotherinterestingexperimentshowedabird's6numbersense
Amanwastryingtotakeaphotoofacrow(乌鸦)thathadanestinatower,butthecrowalwaysleftwhenshesawhimcoming
Thebirddidnot7untilthemanleftthetower
Themanhadan8
Hetookanothermanwithhimtothetower
Onemanleftandtheotherstayed,buttheydidnot9thebird
Thecrowstayedawayuntilthesecondmanleft,too
Theexperimentwas10withthreemenandt