Unit9Wheels-Lesson2Ⅰ.根据句意及首字母提示完成句子1Wetooksixpiecesofb______withusontothetrain.2Racerelationsisas______issue.3Thegovernment'spoliciescameunderf______attack—theyarenotformostpeople'sbenefit.4DoremindmebecauseI'ml______toforget.5Weexpectthebuildingworktobecompletedaheadofs______.6Shewasafraidthatshewouldlookf______ifsherefused.7Jenny，youhaver______forcleaningtheroomaftertheclass.8Tomhasn'tlosthisScottisha______afterlivinginLondonformanyyears.Ⅱ.选择适当的短语，并用其正确形式完成句子takeoffgothroughpulluppulloutcheckin,relyononscheduleworkout1Jack______attheredlightandwestoppedbehindhim.2Iusedtogotothegymthreetimesaweek，butnowIdon't______anymore.3Wewereright______withonlyalittleworklefttodo.4Shehurrieduptothegatejustintimetoseeherplane______withouther.5Hello，Iwouldliketobookaroomfortwoandwearegoingto______nextMonday.6Oursenseofpositioncan______signalsfromthebrainratherthanthebody.7Youhaveto______certainproceduresifyouwanttoobtainavisa.8Rayjumpedontothetrainjustasitwasreadyto______.Ⅲ.对话填空：选择正确的句子完成下列各组对话A.Itwillbetherushhoursoon.B.Idon'tliketravelingtowork，waitingforbusesC.Weshouldhavemoreroadsbuilt.D.IamgladIdidnotdriveacar.E.Let'sdriveoffthisroad.Dialogue1M：There'retrafficjamseverywhere.W：Ithinksomethingmustbedone.M：Yeah.______1______W：Iagreewithyou.Onlyinthiswaycanweeasethetrafficproblems.Dialogue2W：Thisistherushhour.M：Inoticedthere'sajamafewblocksaway.W：______2______M：I'mafraidI'llbelate.Dialogue3M：Doyouliketraveling，Kathy?W：Iliketravelingforpleasuretogetplacesforvacationforinstance.But______3______，or...M：Orgettingstuckintrafficjamswhenyou'redriving.W：Exactly.Dialogue4W：Howfardowehavetogo?M：About50miles.W：Thetrafficisnotveryheavyonthishighway，isit？SoI'msurewe'llmakeit.M：No，butwe'vegotahurry.______4______W：Don'tworry.There'splentyoftimeyet.M：Butit'sFridaytoday.Thisroadisalwaysjampackedduringtheweekend，isn'tit?W：Right.Dialogue5W：Hi，John.Whatbringsyoutotown?M：Hi，Mary.Lilywantedmetobuyhersomethingsfortheparty.W：Whatdoyouthinkofthetraffictoday?M：It'sprettybad.W：Yeah.Youcansaythatagain.It'snoisytoo.M：______5______Ⅳ.阅读理解Man'sfirstrealinvention，andoneofthemostimportantinventionsinhistory，wasthewheel.Alltransportationandmachinesintheworlddependonit.Thewheelisthesimplestyetbutperhapsthemostremarkable(值得注意的)ofallinventions.Becausetherearenowheelsinnature—nolivingthingwasevercreatedwithwheels.How，then，didmancometoinventthewheel?Perhapssomeearlyhuntersfoundthattheycouldrollthecarcass(尸体)ofaheavyanimalthroughtheforestonlogmoreeasilythantheycouldcarryit.However，thelogsthemselvesweighedalot.Itmusthavetakenagreatprehistoric(史前的)thinkertoimaginetwothinslices(薄片)oflogconnectedattheircentersbyastrongstick.Thiswouldrollalongjustasthelogsdidandaxle(轴)cameintobeing，andwiththemthefirstcartwasinvented.1Thewheelisimportantbecause______.A．itwasman'sfirstrealinventionB．alltransportationdependsonitC．everymachinedependsonitD．bothBandC2Itwasremarkableofmantoinventthewheelbecause______.A．itledtomanyotherinventionsB．manhadnouseforitthenC．therewerenowheelsinnatureD．alloftheabove3Thewheelwasprobablyinventedby______.A．agroupofearlyhuntersB．themanwhomadethefirstcartC．agreatprehistoricthinkerD．thefirstmenonearth4Thisselectionsaysthatthefirstwheelmayhavebeena______.A．groundpieceofstoneB．heavylogC．pieceofmentalD．sliceoflog参考答案Ⅰ.1答案：baggage2答案：sensitive3答案：fierce4答案：likely5答案：schedule6答案：foolish7答案：responsibility8答案：accentⅡ.1答案：pulledup2答案：workout3答案：onschedule4答案：takeoff5答案：checkin6答案：relyon7答案：gothrough8答案：pulloutⅢ.答案：1.C2.E3.B4.A5.DⅣ.1解析：第一段一开头就说，轮胎是历史上最重要的发明之一，接着说明的就是其重要之所在(Alltransportationandmachinesintheworlddependonit)。答案：D2解析：第二段提到轮子可能是最值得关注的发明，因为没有什么东西天生就带有轮子。答案：C3解析：猎人只是用圆木来滚动那些笨重的动物尸首，而史前的思想者很难想到两片圆木的薄片用一根坚实的木棍连起来可以像圆木一样滚动，而这种想法使得第一辆马车诞生。可见，可能是第一个制造马车的人发明了轮子。答案：B4解析：由“Itmusthavetakenagreatprehistoric(史前的)thinkertoimaginetwothinslices(薄片)oflogconnectedattheircentersbyastrongstick.”一句可推断，人们最早发明轮子的时候，首先想到的是原木薄片。答案：D
