湖北省松滋市涴市镇初级中学九年级英语全册unit5whataretheshirtsmadeof第7课

《湖北省松滋市涴市镇初级中学九年级英语全册unit5whataretheshirtsmadeof第7课》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、Unit5Whataretheshirtsmadeof一、完形填空。ABritishstudenthasanewinvention.Itcanmakechildrendomore1_andalsoreducethetimetheyspendinwatchingTVeveryday.Thetechnologyis2“Square-eyes".Itisalittlesensor(感应器)anditisputinchildren，s3•Itcancountthenumberofstepstakenbyachildduringthedayand4thisinfo

2、tmationtothefamilycomputer.Softwarethentellsthe5howmanyhoursofTVheorshecanwatchthatevening.Onehundredstepsareequalto(等于)oneminuteofTV.6childrenuseupalloftheirTVtime,theyhavetodomorewalking.Theinventor,Gi11ianSwan,says,“Thiswi117childrentomakeexercisepartoftheirdailylifeatanearlya

3、ge・”Shesaidthattenyearsago,childrenwere8becausetheyoftenplayedoutside9theirfriends,whiletoday"schildren10toomuchtimeinfrontoftheTVanddon"texercise-Thismeansthattoday"schildrenhaveweightproblemsandbecomefat.()1.A.practicesB・studiesC.gamesD.exercise()2.A.watchedB.namedC・repliedD.ma

4、de()3.A.shoesB.glassesc.hatsD.coats()4.A.writeB.encourageC.readD.send()5.A.ch订dB.studentc.womanD.teacher()6.A.UnlessB.IfC.AlthoughD.While()7.A.agreeB.allowC.helpD.set()8.A.cheaperB.cleanerc.healthierD.clearer()9.A.forB.byc.withD.on()10.A.spendB.takec.costD.use二、阅读理解。AKiteshavebee

5、naroundforthousandsofyears.TheancientbooksshowthatChinesepeoplestartedkiteflying2000yearsago.Itsnamecamefromakindofbirdcalledkite.Simplekitesaremadebytwocrossingsticksandcoveredwithpaperorcloth,withastringattheend.Moreexpensivekiteshaveframes(框)thataremadeofplasticorothermaterial

6、.Kitesaremadeinmanydifferentsizes,colorsandshapes.Aflat(平的)kiteistheoldestandsimplesttypeofkite.Ttfliesbecauseairgoesoverandunderthekite.Thepressure(大气压力)underthekiteishigherthanthepressureoverit.Ithelpsthekiteflyinthesky.Kiteshavealsobeenusedinexperiments.Earlyscientistssentkite

7、supintotheairtostudythetemperatureoftheairatdifferentheights.In1752,BenjaminFranklinusedakitetoprovethatlightningwasatypeofelectricity.Heconnectedametalkeywiththestringofakite・Whenlightninghitthekite,electricitypasseddownthestringandFranklingotanelectricshock・Hewasveryluckytolive

8、on.Kiteswerealsousedtodevelopairplanes.T