一道英语的阅读理解Howcouldwetelltimeiftherewerenowatchesorclocksanywhereintheworld?Thesunwasprobablytheworld’sfirst“clock”,exceptinthefarnorth,wheretheEskimos(爱斯基摩人)live.There,it’sdarkmostof
一道英语的阅读理解
Howcouldwetelltimeiftherewerenowatchesorclocksanywhereintheworld?
Thesunwasprobablytheworld’sfirst“clock”,exceptinthefarnorth,wheretheEskimos(爱斯基摩人)live.There,it’sdarkmostofthewinter,andlightmostofthesummer.Butinmostoftheworld,peoplehaveusedthesunfooday,ifyoudon’thaveaclockthatshowstime,youstillknowthatwhenthesunshines,it’sday,andwhenit’sdark,it’snight.Thesuncannotonlytellyouwhetherit’sdayornightbutalsoit’smorning,noon,orafternoon.Whenthesunisalmostdirectlyoverhead,it’snoon.
Peoplewholiveneartheseafromthetides.Inthedaytime,foraboutsixhours,thewaterriseshigherandhigheronthebeach.Andthenitaboutsixhours.Thesamethinghappensagainatnight.Therearetwohightides
andtwolowtidesevery24hours.
Seamenonashiplealltimebylookingatthemoon
andthestars.Thewholeskyistheirclock.
Insomeplacesintheworldthewindcomesupataboutthesame
timeeverydayorchangesdirectionorstopsblowing.Intheseplaces
thewindcanbetheclock.
Asandclockisanevenbetterclock.Ifyouhadfinedrysandina
glassshapedliketheoneinthethesandwilltakeanotherhourtogobackagain.
51.Fromthepassagewecanknowthereare_____waystotelltimebesidestheclockandwatch.
A.3B.4C.5D.7
52.TheEskimosinthefarnorthcan’tusethesunforaclockbecause______.
A.theyknowverylittleaboutthesun
B.thesuntherenevergoesdowninwinter
C.it’stoocoldforthemtogoouttowatchthesun
D.ithaslongdaandlonglightsummers
53.Theunderlinedword“tide”inthepassagemeans_______.
A.洋流B.潮汐C.海啸D.波浪
54.Inwhichpageofthenewspapostprobablyreadthispassage?
A.News.B.Science.C.AdvertisementD.Sports.
55.What’sthebesttitleforthepassage?
A.DifferentWaystoTellTimeB.HowtheClockWasInvented
C.TheDevelopmentoftheClockD.AUsefulMachinetoTellTime
看第51题为什么答案是5种?我觉得是7种啊.因为他的意思不是包括表和钟有几种吗?
1搂在说什么?