Unit 6 课时1 Reading 同步练习

Unit6Electricity基础篇一、找出下列单词中重音位置与其他不同的单词。1.A.valuable B.cooker C.chemical D.imagine2.A.identify B.airport C.discuss D.disease3.A.foolish B.connect C.receiver D.apologize4.A.prefer B.electricity C.convenient D.department5.A.machine B.example C.conversation D.appear二、单项选择。1.____ofuscanhelpyoucarrythebox.A.Anyone B.Anybody C.Anybody D.Anyone2.I’mhungrynow.Iwant____toeat.A.anything B.everything C.something D.nothing3.Theboyhasbeenmissingforfivedaysandhisparentsareworriedabouthis____.A.attention B.safety C.action D.growth4.Itmadethingsveryunpleasant,________.A.ontheway B.bytheway C.inaway D.inthisway5.Tenminutes__________.hecameback.A.late B.lately C.later D.after6.Ican'tfindmysister__________.Shewashere________.A.amomentago;atthemoment B.atthemoment;amomentagoC.amomentago;inamoment D.inamoment;atthemoment7．-Areyouthirsty?-Yes,pleasegiveus_________.A.threebottlewater B.threebottleofwaterC.threebottlesofwater D.threebottlesofwaters8．Thesewires________cablesunderthestreet.A.aremadeupof B.areconnectedto C.aremadefrom D.aremadefrom9.Electricity________awireanditislikewater.A.comesfrom B.flowsthrough C.runsfrom D.runover10.She________becauseshewantstobuyelectricityinpacketslikesweets.A.smellswell B.looksfoolish C.feelsbad D.tastesbad三、单词拼写。1.It’sagainsttheschoolr____________tosmoke.2.A__________whobreakstheruleswillbepunishedinthefuture.3.Waterflowsthroughpipesandelectricityflowsthroughw__________4.It’sf______ofyoutolendsomuchmoneytohim.5.Thenewexpresshighways(高速公路)arec_______toPanyu,Huadu,ConghuaandZengcheng.6.Theboyhadac___________withhisteacheryesterdayabouthowtolearnEnglishwell.7.Theladyr___________totheinvitationbyemailyesterday.Shewouldn'tjoinintheparty.8.WhenIwasyoung,mymotheralwaystoldmetot_________upmybedroom.9.WewillhaveanEnglisht________nextWednesday.10.Thebellrang.Am______later，theteachercamein.四、用方框词组填空washingmachine，becarefulwith,Airconditioner,beconnectedto,share…with,takethemedicine,switchon,gooutalone1.Weshould____________theelectricity.It’sdangerous.2.Inhotsummer,mostfamiliesuse____________tohelpthemsleepwell.3.Willyou_________yourphotos_________me?4.Shewasillbutshedidn’twantto_______________.5.Please___________thecomputer.Ineedtotypesomeletters.6.Don’t____________atmidnight.It’snotsafe.7.Nobodywashesclothesatmyhome,butthe______________doesthework.8.Mobilephonescan___________computers.五、用词的适当形式填空l.Thethickwireis________(connect)tothepowerstation.2.Treescanproduce________(chemistry)toprotectthemselvesfrominsects.3.Readastoryabout_________(electric).4.Dogscanhelpblindpeoplewalkacrossthestreet_________(safe)．5.Don’t__________(fool)others.That’s__________(fool).6.Weneedawireless_____________(connect).7.Iwanttobea__________(cooker)whenIgrowup.8.Noweveryroomhasan___________(electrical)light.9.Thereissomethingwrongwiththe__________(wash)machine.10.Itisdangerousforpeople__________(touch）thewires.六、完成句子1.我会从公司给你带一包礼物。I'llbringyou__________________________________giftsfromthecompany.2.在某种程度上，它是我们犯的最大的错误中的一个。_____________________________,itisoneofthebiggestmistakeswehavemade.3.我有点忙。请帮我关掉机器。Iam_____________________busy.Pleasehelpme_________

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themachine.4她看起来很笨。She__________________.5.顺便问问，明天汤姆来吗？_________________________,willTomcometomorrow?6.昨天在上学的路上，我碰见了李老师。ImetMissLi_________________________________schoolyesterday.7.这位外国人对我们的国家有哪些了解呢？Whatdoestheforeigner_____________________ourcountry?8.手机可以连接到电脑上。Mobilephonescan_____________________________computers.9.他没能回答我的问题。Hecan’t___________________myquestion.10.就在此刻，一辆汽车停在了那座房子前。__________________________,acarstoppedatthehouse提高篇七、短文填空A短文填词ElectricitysafetytipsElectricitymakesourliveseasier.Weusealotof(1)e_____________appliancesinourhomeseveryday.Herearethreeofthem.Howcanweusethem(2)s_____________?Ricecooker●Keeptheoutsideofthepotdry.●Donot(3)s_____________thericecookeronifthepotisempty.Washingmachine●Donotputyourhandinthewashingmachinewhenitison.●Unplugitwhenyouarenotusingit.Microwave●Donotturnitonwhenitisempty,(4)b_____________itmightstartafire.●Standatleastonemetreawayfromthemicrowavewhenitison.●Beforeyouputanobjectinamicrowave,make(5)s_____________itismicrowavesafe.B语法填空Weareluckytoliveinarichcountrywherewehavemanythings.However,mostofususually__1__(waste)somethings.Electricityisonethingthatwewastemost.Lights,TVs,__2__(radio)andotherthingsareoftenkeptonevenwhennooneisusingthem.Weshouldturnthemoff__3__wedonotneedthem.Ittakes__4__(little)thanasecondtodoit.Anyhow,notwastingelectricitysavesmoney.The__5__(two)thingthatweoftenwasteiswater.Freshwaterisprecious,soitshouldn'tbewasted.Itisonly__6__simplemattertoturnoffatap.Iamsureeverybodycandothis__7__(easy)ifhewantsto.Anotherbigwasteisfood.Mymotherusedtocooksomuchfoodthatmuchofitwasthrownaway.Itoldherwehadwastedsomuchfood.ShethoughtIwasright__8__nowshecooksmainlywhatwecaneat.Itisnotrighttobewasteful.Ifindthereisasimplewayofnotwastingthings.Thatis__9__(use)onlywhatweneed.Donottouchwhatwedonotneed.__10__thiswaywecanstopbeingwasteful.1.___________2.___________3.___________4.___________5.____________6.___________7.___________8.___________9.___________10.___________八、完形填空Howdidwehelptosaveourearththisweek?Letmetellyou.First,myfamilytriedtosaveelectricity.We___16___thelightsonwhenleavingtheroom.We___17___theTVwhennobodywaswatchingit.Mumonlyusedcoldwaterinthewashingmachine.Second,westartedrecyclingthisweek.Wetriedtowriteon___18___ofourpaper,notjustononeside.Wealsodividedourrubbishinto___19___bagsforbottles,paperandfood.Mumkepttheplasticshoppingbagsfromthesupermarkettousethemagainasrubbishbags.Third,myfamilystartedtosave___20___.Westopped___21___longbaths.Wehadshortshowersinstead.Wewashedtoiletwith___22___water.Mumanddadusedlesswatertodothewashing.MysisterandIdidn’tleavethetaprunningwhenwebrushedourteeth.Atlast,mumanddadbegantosavegas.Mumusedto___23___ustoschool,butnowmysisterandIstartedridingourbikestoschool.It’shard___24___butgoodexercise.Thisweekdadandsomeofthepeopleinhiscompanyalsostartedtogotoworkinonecarandsharethe_____25_____.Thesearegreatwaystohelpprotectourenvironment.16.A.always B.never C.hardly D.often17.A.turnedup B.turneddown C.turnedon D.turnedoff18.A.anyside B.allsides C.neitherside D.bothsides19.A.large B.small C.different D.thesame20.A.water B.food C.electricity D.paper21.A.wasting B.making C.saving D.taking22.A.used B.fresh C.clean D.clear23.A.order B.show C.drive D.carry24.A.job B.work C.project D.works25.A.time B.value C.cost D.breakfast九、阅读理解Untilthelate1800s,mostpeoplewenttobedsoonaftersunset.Theyusedcandlesandoilforlight.AmericaninventorThomasEdisonchangedthewaypeoplelivedwhenheinventedthefirstlightclub.Thelightbulbwasjustoneofthemorethan1000inventionsofthisgreatinventor.ThomasAlvaEdisonwasbornin1847.Heattendedschoolforonlythreemonths,Hismothertaughthimreadingandwritingathome.In1862.Edisonsavedaboyfrombeingrunoverbyatrain.Theboy’sfatheroperatedatelegraphmachine.Inordertothankhim,thefathertaughtEdisonhowtooperatethetelegraph.Edisonthenmadeimprovementstothetelegraph.Heearnedmoneyfromhisinventions.In1876,EdisonstartedthefirstresearchlaboratoryinNewJersey.Heworkedveryhard.Helivedinhislaboratoryandbecamerichbecauseofhisinventions.Hemarriedtwiceandhadsixchildren.Butheworkedsohardthathespentlittletimewithhisfamilies.Edison'sgreatestinventionsincludedanimprovedtelephone,photographandelectricbattery.Heisbestrememberedforinventingthelong-lastinglightbulb.Inthe1870s.manyinventorsweretryingtomakealightbulb.Edisontriedhundredsoftimes,Finallyhefoundafilament（灯丝）madeofcarbon.Edison'slampwasagreatsuccess.Itburnedformorethan40hours.1.WhendidEdisonlearntooperatethetelegraph?A.In1847. B.In1862. C.In1876. D.In1867.2.EdisonstartedthefirstresearchlaboratoryinNewJersey______ .A.attheageof27 B.whenhewas29 C.inhisthirties D.after18763.WheredidThomasEdisonlearnreadingandwriting?A.Atschool. B.Athome. C.Atthelaboratory. D.Inafactory.4.WhydidpeoplelikeEdison?A.Becausehemadealotofmoney. B.Becauseheimprovedthetelegraph.C.Becauseheinventedthelightbulb. D.Becausehewasahard-workingman.5Accordingtothesixthparagraph,weknowthat________.A.nobodyelse'sbulbcouldburnformorethan40hoursexceptEdison’sB.EdisonsucceededinmakingalightbulbeasilyC.thefilamentmadeofcarbonwastheworstD.EdisonwastheonlyonewhowantedtoinventalightbulbB阅读短文及文后选项，选出可以填入空白处的最佳选项Ifanelectricalaccident（事故）happens,doyouknowwhattodo?It’simportanttoknowtherulesofelectricitysafety.____1____Ifyousawsomeonegettingshocked（触电）,don’ttouchtheperson.Ifyoudo,youmaygetshockedtoo.____2___Thencallthepoliceandtellthemabouttheaccident.ApersonmaylookOKaftergettingashock,butit’sstillimportanttogotothehospitaltohaveacheck.____3___Wemaynotseeitfromtheoutside.____4___Youshouldalsokeepotherpeopleaway.Thencalltheelectricalworkerstofixthem.Whenanelectricalfirehappens,remembernottousewatertoputitout.____5_____A.Electricityburnsfromtheinsideofthebody.B.Byfollowingtheserules,youmaybesafe.C.Itmaymakethefireworse.D.Youshouldfirstfindanadulttoturnoffthepower.E.Ifthepublicelectricalapplianceslikewiresarebroken,stayawayfromthem.

Unit6Electricity基础篇一、找出下列单词中重音位置与其他不同的单词。1.A.valuable B.cooker C.chemical D.imagine2.A.identify B.airport C.discuss D.disease3.A.foolish B.connect C.receiver D.apologize4.A.prefer B.electricity C.convenient D.department5.A.machine B.example C.conversation D.appear【答案】1-5.DBABC二、单项选择。1.____ofuscanhelpyoucarrythebox.A.Anyone B.Anybody C.Anybody D.Anyone【答案】D【解析】句意：我们中任何一个人都可以帮你搬这个盒子。anyoneofus“我们之中的任何一个人”；anyone=anybody，“任何人”，其后一般不接of；没有anybody的表达，由此可知选D。2.I’mhungrynow.Iwant____toeat.A.anything B.everything C.something D.nothing【答案】C【解析】A.anything任何事，用于“否定句”“疑问句”中B.everything一切C.something某些事D.nothing没有任何事。这里是肯定句故选C3.Theboyhasbeenmissingforfivedaysandhisparentsareworriedabouthis____.A.attention B.safety C.action D.growth【答案】B【解析】考查名词辨析。句意：这个男孩已经失踪5天了，他的父母担心他的安全。attention注意；safety安全；action行动；growth成长。根据句意可知，这个男孩子失踪了，他的父母应是担心他的“安全”，应用名词safety。故选B。4.Itmadethingsveryunpleasant,________.A.ontheway B.bytheway C.inaway D.inthisway【答案】C【解析】A.ontheway在去……的路上B.bytheway顺便问问；顺便说一声C.inaway“在某种程度上”，常置于句首或句末，作状语D.inthisway”用这种方法“根据句意：选C5.Tenminutes__________.hecameback.A.late B.lately C.later D.after【答案】C【解析】句意：十分钟后，他回来了。late意为“晚，迟到”；lately意为“近来，不久前”；later意为“后来，稍后”；after意为“在……之后”。tenminuteslater意为“十分钟后”。由句意可知选C。6.Ican'tfindmysister__________.Shewashere________.A.amomentago;atthemoment B.atthemoment;amomentagoC.amomentago;inamoment D.inamoment;atthemoment【答案】B【解析】句意：我此刻找不到我妹妹了。她刚才还在这里。amomentago刚才，刚刚；atthemoment此刻；inamoment立刻，一会儿。由句意可知选B。7．-Areyouthirsty?-Yes,pleasegiveus_________.A.threebottlewater B.threebottleofwaterC.threebottlesofwater D.threebottlesofwaters【答案】C【解析】句意：——你们口渴吗？——是的，请给我们三瓶水。water是不可数名词（不加s）．表示“三瓶”用therebottles，故选C。8．Thesewires________cablesunderthestreet.A.aremadeupof B.areconnectedto C.aremadefrom D.aremadefrom【答案】B【解析】A.aremadeupof由...组成B.areconnectedto与。。。相连，连接到C.aremadefrom由...制造（看不出原材料）D.aremadeof由。。。制造（看得出原材料）根据句意选B合题意。9.Electricity________awireanditislikewater.A.comesfrom B.flowsthrough C.runsfrom D.runover【答案】B【解析】句意：电在电线里面象水一样流动。A.comesfrom来自B.flowsthrough在。。流动C.runsfrom跑动D.runover溢出来。故B符合题意。10.She________becauseshewantstobuyelectricityinpacketslikesweets.A.smellswell B.looksfoolish C.feelsbad D.tastesbad【答案】B【解析】考查感官动词用法。sound意为“听起来”，smell意为“闻起来”，taste意为“尝起来”和feel意为“摸起来；感觉”look在此意为“看起来；显得；似乎”，这些词作连系动词，后常接形容词三、单词拼写。1.It’sagainsttheschoolr____________tosmoke.【答案】rule【解析】句意：吸烟是违反校规的。2.A__________whobreakstheruleswillbepunishedinthefuture.【答案】anyone/anybody【解析】句意：任何违反规定的人将来都会受到惩罚。3.Waterflowsthroughpipesandelectricityflowsthroughw__________【答案】wire【解析】句意：水流过管道，电流过电线。4.It’sf______ofyoutolendsomuchmoneytohim.【答案】foolish【解析】句意：你把这么多钱借给他真是愚蠢。5.Thenewexpresshighways(高速公路)arec_______toPanyu,Huadu,ConghuaandZengcheng.【答案】connected【解析】句意：新快速路连接番禺、花都、从化和增城。6.Theboyhadac___________withhisteacheryesterdayabouthowtolearnEnglishwell.【答案】conversation【解析】句意：这个男孩昨天和他的老师谈了如何学好英语。7.Theladyr___________totheinvitationbyemailyesterday.Shewouldn'tjoinintheparty.【答案】receive【解析】句意：这位女士昨天通过电子邮件收到了邀请。她不愿参加聚会。8.WhenIwasyoung,mymotheralwaystoldmetot_________upmybedroom.【答案】tidy【解析】句意：我小时候，妈妈总是叫我整理卧室。9.WewillhaveanEnglisht________nextWednesday.【答案】test【解析】句意：下星期三我们有一个英语考试。10.Thebellrang.Am______later，theteachercamein.【答案】moment【解析】句意：铃响了。过了一会儿，老师进来了。四、用方框词组填空washingmachine，becarefulwith,Airconditioner,beconnectedto,share…with,takethemedicine,switchon,gooutalone1.Weshould____________theelectricity.It’sdangerous.2.Inhotsummer,mostfamiliesuse____________tohelpthemsleepwell.3.Willyou_________yourphotos_________me?4.Shewasillbutshedidn’twantto_______________.5.Please___________thecomputer.Ineedtotypesomeletters.6.Don’t____________atmidnight.It’snotsafe.7.Nobodywashesclothesatmyhome,butthe______________doesthework.8.Mobilephonescan___________computers.【答案】1.becarefulwith2.airconditioner3.sharewith4.takethemedicine5.switchon6.gooutalone7.washingmachine，beconnectedto五、用词的适当形式填空l.Thethickwireis________(connect)tothepowerstation.2.Treescanproduce________(chemistry)toprotectthemselvesfrominsects.3.Readastoryabout_________(electric).4.Dogscanhelpblindpeoplewalkacrossthestreet_________(safe)．5.Don’t__________(fool)others.That’s__________(fool).6.Weneedawireless_____________(connect).7.Iwanttobea__________(cooker)whenIgrowup.8.Noweveryroomhasan___________(electrical)light.9.Thereissomethingwrongwiththe__________(wash)machine.10.Itisdangerousforpeople__________(touch）thewires.【答案】1.connected2.chemical3.electricity4.safely5.foolfoolish6.connection7.cook8.electric9.washing10.totouch六、完成句子1.我会从公司给你带一包礼物。I'llbringyou__________________________________giftsfromthecompany.【答案】apackof2.在某种程度上，它是我们犯的最大的错误中的一个。_____________________________,itisoneofthebiggestmistakeswehavemade.【答案】Inaway3.我有点忙。请帮我关掉机器。Iam_____________________busy.Pleasehelpme_________

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themachine.【答案】alittle/abitturnoff4她看起来很笨。She__________________.【答案】looksfoolish5.顺便问问，明天汤姆来吗？_________________________,willTomcometomorrow?【答案】Bytheway6.昨天在上学的路上，我碰见了李老师。ImetMissLi_________________________________schoolyesterday.【答案】onthewayto7.这位外国人对我们的国家有哪些了解呢？Whatdoestheforeigner_____________________ourcountry?【答案】learnabout8.手机可以连接到电脑上。Mobilephonescan_____________________________computers.【答案】beconnectedto9.他没能回答我的问题。Hecan’t___________________myquestion.【答案】replyto10.就在此刻，一辆汽车停在了那座房子前。__________________________,acarstoppedatthehouse【答案】Atthemoment提高篇七、短文填空A短文填词ElectricitysafetytipsElectricitymakesourliveseasier.Weusealotof(1)e_____________appliancesinourhomeseveryday.Herearethreeofthem.Howcanweusethem(2)s_____________?Ricecooker●Keeptheoutsideofthepotdry.●Donot(3)s_____________thericecookeronifthepotisempty.Washingmachine●Donotputyourhandinthewashingmachinewhenitison.●Unplugitwhenyouarenotusingit.Microwave●Donotturnitonwhenitisempty,(4)b_____________itmightstartafire.●Standatleastonemetreawayfromthemicrowavewhenitison.●Beforeyouputanobjectinamicrowave,make(5)s_____________itismicrowavesafe.【答案】electricalsafelyswitchbecausesureB语法填空Weareluckytoliveinarichcountrywherewehavemanythings.However,mostofususually__1__(waste)somethings.Electricityisonethingthatwewastemost.Lights,TVs,__2__(radio)andotherthingsareoftenkeptonevenwhennooneisusingthem.Weshouldturnthemoff__3__wedonotneedthem.Ittakes__4__(little)thanasecondtodoit.Anyhow,notwastingelectricitysavesmoney.The__5__(two)thingthatweoftenwasteiswater.Freshwaterisprecious,soitshouldn'tbewasted.Itisonly__6__simplemattertoturnoffatap.Iamsureeverybodycandothis__7__(easy)ifhewantsto.Anotherbigwasteisfood.Mymotherusedtocooksomuchfoodthatmuchofitwasthrownaway.Itoldherwehadwastedsomuchfood.ShethoughtIwasright__8__nowshecooksmainlywhatwecaneat.Itisnotrighttobewasteful.Ifindthereisasimplewayofnotwastingthings.Thatis__9__(use)onlywhatweneed.Donottouchwhatwedonotneed.__10__thiswaywecanstopbeingwasteful.1.___________2.___________3.___________4.___________5.____________6.___________7.___________8.___________9.___________10.___________【答案】1.waste2.radios3.when4.less5.second6.a7.easily8.and9.touse10.In八、完形填空Howdidwehelptosaveourearththisweek?Letmetellyou.First,myfamilytriedtosaveelectricity.We___16___thelightsonwhenleavingtheroom.We___17___theTVwhennobodywaswatchingit.Mumonlyusedcoldwaterinthewashingmachine.Second,westartedrecyclingthisweek.Wetriedtowriteon___18___ofourpaper,notjustononeside.Wealsodividedourrubbishinto___19___bagsforbottles,paperandfood.Mumkepttheplasticshoppingbagsfromthesupermarkettousethemagainasrubbishbags.Third,myfamilystartedtosave___20___.Westopped___21___longbaths.Wehadshortshowersinstead.Wewashedtoiletwith___22___water.Mumanddadusedlesswatertodothewashing.MysisterandIdidn’tleavethetaprunningwhenwebrushedourteeth.Atlast,mumanddadbegantosavegas.Mumusedto___23___ustoschool,butnowmysisterandIstartedridingourbikestoschool.It’shard___24___butgoodexercise.Thisweekdadandsomeofthepeopleinhiscompanyalsostartedtogotoworkinonecarandsharethe_____25_____.Thesearegreatwaystohelpprotectourenvironment.16.A.always B.never C.hardly D.often17.A.turnedup B.turneddown C.turnedon D.turnedoff18.A.anyside B.allsides C.neitherside D.bothsides19.A.large B.small C.different D.thesame20.A.water B.food C.electricity D.paper21.A.wasting B.making C.saving D.taking22.A.used B.fresh C.clean D.clear23.A.order B.show C.drive D.carry24.A.job B.work C.project D.works25.A.time B.value C.cost D.breakfast【答案】16.B17.D18.D19.C20.A21.D22.A23.C24.B25.C【解析】本文介绍的是如何节约能源。当离开房间的时候，不要让灯开着；当没人看电视的时候，应该关掉电视机；使用纸的两面；垃圾分类放不同的袋子里；开始节水；少开车等。16.句意：我们离开房间时从不让灯开着。always总是；never从不；hardly几乎不；often经常。根据后半句“whenleavingtherooms”可知，此处是说当你离开房间的时候，“从不”让灯开着。故选B。17.句意：当没人看电视的时候，我们会关掉电视机。turnup调大；turndown调小；turnon打开；turnoff关闭。根据“whennobodywaswatchingit”可知，没人看电视的时候我们会“关掉”电视机。故选D。18.句意：我们试着在纸的两面写字，而不是只在一面写字。anyside任何一面，用于三者以上的人或物；allsides所有面，用于三者以上的人或物；neitherside两面都不，表示否定；bothsides两面。根据“ofourpaper,”可知，纸有“两面”。故选D。19.句意：我们也把我们的垃圾分成不同的袋子，分别装瓶子、纸和食物。large大的；small小的；different不同的；thesame相同的。根据“bagsforbottles,paperandfood”可知，此处是我们把垃圾分类放入“不同的”袋子里，分别装瓶子、纸和食物。故选C。20.句意：第三，我的家庭开始节约用水。water水；food食物；electricity电；paper纸。根据下文“Westopped…longbaths.Wehadshortshowersinstead.”可知，此处提到洗澡、淋浴可知，因此是开始“节水”。故选A。21.句意：我们不再泡长时间的澡。wasting浪费；making使；saving节省；taking拿。根据下一句“Wehadshortshowersinstead.”可知，我们用短时间的淋浴代替长时间的洗浴，此处应该是停止长时间的洗澡，takeabath“洗澡”。故选D。22.句意：我们用用过的水洗厕所。used用过的；fresh新鲜的；clean干净的；clear清楚的。根据“washedtoilet”可知，是我们用“使用过”的水冲厕所。故选A。23.句意：妈妈过去常常开车送我们上学，但现在我和妹妹开始骑自行车上学。order命令；show展示；drive开车；carry携带。根据下一句“butnowmysisterandIstartedridingourbikestoschool”可知，但现在，我的妹妹和我开始骑自行车上学，可推测父母过去常常“开车”送作者。故选C。24.句意：骑车是很累的工作，但很健身。job工作，可数名词；work工作，不可数名词；project工程；works工作，动词第三人称单数。此处是说骑车是很累的工作，但很健身，要用不可数名词。故选B。25.句意：这周爸爸和他公司的一些人也开始用一辆车上班，并分摊费用。time时间；value价值；cost花费；breakfast早饭。根据“startedtogotoworkinonecarandsharethe…”可知，爸爸和公司的同事开一辆车去上班，此处应该是共同分担“费用”。故选C。九、阅读理解Untilthelate1800s,mostpeoplewenttobedsoonaftersunset.Theyusedcandlesandoilforlight.AmericaninventorThomasEdisonchangedthewaypeoplelivedwhenheinventedthefirstlightclub.Thelightbulbwasjustoneofthemorethan1000inventionsofthisgreatinventor.ThomasAlvaEdisonwasbornin1847.Heattendedschoolforonlythreemonths,Hismothertaughthimreadingandwritingathome.In1862.Edisonsavedaboyfrombeingrunoverbyatrain.Theboy’sfatheroperatedatelegraphmachine.Inordertothankhim,thefathertaughtEdisonhowtooperatethetelegraph.Edisonthenmadeimprovementstothetelegraph.Heearnedmoneyfromhisinventions.In1876,EdisonstartedthefirstresearchlaboratoryinNewJersey.Heworkedveryhard.Helivedinhislaboratoryandbecamerichbecauseofhisinventions.Hemarriedtwiceandhadsixchildren.Butheworkedsohardthathespentlittletimewithhisfamilies.Edison'sgreatestinventionsincludedanimprovedtelephone,photographandelectricbattery.Heisbestrememberedforinventingthelong-lastinglightbulb.Inthe1870s.manyinventorsweretryingtomakeal