内容正文:
源动力 河北 英语
重
难
题
型
组
合
训
练
组合训练十
(限时:16分钟 满分:30分)
Ⅰ.阅读理解D篇(每小题2分,满分10分)
Howdoweknowthetime?Aclock,awatchoramobilephonecanhelpus.However,many
yearsagotherewerenoclocksandknowingthetimewasnotsoeasy.Overthecenturiespeoplehave
developeddiferentwaysoftelingthetime.
About5,500yearsago,theEgyptiansinventedthesunclock.Thiswasatalstonebuilding.Its
shadowshowedthemovementofthesun.Sopeoplewereabletoknowmidday.TheEgyptiansmadea
sundial(日晷)about3,500yearsago.Itwassmalerthanthesunclockandcouldmeasurethetime
forhalfaday.Oncloudydaysoratnightitwasimpossibletotelthetimewithasunclockora
sundial.Waterclockswerethefirstclocksnottousethesun.Theideaissimple.Waterflowsfrom
onecontainertoanother.Whenthewaterreachesacertainlevel,itmovesalever(控制杆)andthis
showsthehours.TheEgyptiansusedwaterclocksabout3,400yearsago.Theseclockswerepopular
intheMiddleEastandChina.Buttheyfailedtomakepeopleknowtheexacttime.
Inthe13thcentury,themechanicalclockwasinvented.Thiswasmoreexact,butitwas
expensivetomakeone.Overthenextfewcenturies,itwasdeveloped.Forexample,springs(发条)
wereaddedaround1,500.Thisenabledpeopletogetthecorecttimeandalowedclockstobe
smaler.In1927,thefirstquartz(石英)clockwasdeveloped.Clocksbecamecheapertobuild.Its
easyforordinarypeopletoownaclock.Peoplebegandependingonthemmoreandmoretorun
business,marketsandsoon.Morerecently,in1956,camethedigitalclock.Andnowadayssatelites
sendourmobilephonesthetimetotheexactsecond.
Therehasbeenalotofprogressintimekeeping.Clocksarealwayschangingbutsomethings
neverchange.Manyofusstilhavetroublegetingoutofbedontimeandnotmissingappointments.
( B )1.Accordingtothepassage,wecantusea totelthetimeonarainyday.
A.waterclock B.sunclock C.digitalclock D.mechanicalclock
( D )2.Whatdoestheunderlinedword“ordinary”mean?
A.Modern. B.Special. C.Rich. D.Normal.
( C )3.Howmanykindsofclocksarementionedinthepassage?
A.Four. B.Five. C.Six. D.Seven.
( D )4.Whichofthefolowingstatementistrue?
A.TheEgyptiansspent100years,moreorless,inventingwaterclocks.
B.Withasunclockpeoplewereabletoknowm