2023人教版九年级上学期英语练习-Unit6 Section B

Unit6Whenwasitinvented?SectionB基础过关全练一、根据句意及首字母或汉语提示完成单词1.（2022独家原创）Themovie'shuge（受欢迎）evensurpriseditswriters.2.Theseorangesaretoostoeat.3.1tisunwisetoputalleggsinone（篮子）..Thewaterintheseais（咸的）.Peoplecan、drinkitdirectly..Thiskindofcoffeehasbecomeverypopularamongc.二、用括号中所给单词的适当形式填空.（2020山东烟台中考改编）Nomatterwhattimewearegettingthrough,（hero）arealwaysaroundus..（2021安徽滁州期末）Thoseworkerswere（divide）intothreeteamstofinishtheprojectlastmonth.8.1tis（believe）thathehastoldthetruth.havea（Canada）classmateandwehavecommunicatedwitheachotherforfiveyears..Asa（profession）basketballplayer,LeBronJamesdidwhathecoulddotohelphisteamtowinthefinal.三、根据汉语提示完成句子，每空一词.（2021甘肃武威中考改编）成功最终属于努力的人们。Successbelongstothehard-workingpeopleB.whypeopledon'tlikeusingcoinsC.whypeopleliketousecoinsD.howmanycoinspeopleuseeveryday47.Thethirdparagraphismainlyabout.A.thedesignofChinesecoinsB.themeaningofChinesecoinsC.thehistoryofChinesecoinsD.thefacevalueofChinesecoins48.Whatdoestheunderlinedword"gear"inParagraph4meaninChinese?A.材料B.齿轮C.图案D”教章49.Onthetwosidesofthefirstsetofcoins,wecan'tsee.A.agearandcornB.thecountry'snameC.earsofcornD.thenationalemblem50.Peoniesandchrysanthemumsare.A.twodifferentmaterialsB.twokindsofcoinsC.twodifferentcountriesD.twokindsofflowersB（2021四川成都中考改编）Theinventionofbarcodes（条形码）isbasedonaverysimpleidea.Weonlyneedtogiveeachproductaspecificnumberandprintit.51Wecouldsimplyprintthenumberitself.Butthiscancauseproblems.Forexample,anunclearlyprinted“seven"couldlooklikea“one”toacomputer.It5salsotruefor“three"and"eight”._52Weneedabetterwayofprintingnumberssothattheycanbereadcorrectlyathighspeeds.That'stheproblembarcodessolve.Eachnumberinabarcodeisshownbysevenblocksofthesamesize.53Forexample,thenumber"one"isshowninturnbytwowhitestripes（条），twoblackstripes,twowhitestripes,andoneblackstripe.54Abarcodeincludesdifferentpartsandeachoneprovidesaspecificmeaning.Thefirstpartofabarcodetellsyouthecountrywheretheproductwasmade.Forexample,690一692isthebarcodeforChina.55Thefinalpartisabouttheproductitself.Thisishowbarcodeswork.根据材料内容，从下面五个选项中选出能填入文中空缺处的最佳选项，使文章意思通顺、内容完整。A.Thencomputerscanreaditdirectly.B.Thenextparttellsyouwhoproducedtheproduct.C.And"nine"lookssimilarto“six"ifyouturnitupsidedown.D.Evenifyouturnitupsidedown,itisn'tsimilartoanyothernumber.E.Thesearecoloredeitherblackorwhitetoshowthenumberzerotonine.4.55.答案全解全析基础过关全练——、1.popularity2.sour3.basket4.salty5.customers二、6.heroes考查名词复数。根据“arealwaysaroundus”可知主语是复数形式。故填heroeso.divided考查被动语态。句意:上个月为了完成这个工程，那些工人被分成了三队。根据语境可知用被动语态，故填dividedo.believed考查固定搭配。Itisbelievedthat...意为“有人认为”,是一个固定句型，故填believedo.Canadian考查形容词。aCanadianclassmate意为“一个加拿大同班同学“，故填Canadian。lO.professional考查形容词。aprofessionalbasketballplayer意为“一个专业的篮球运动员”,故填professionalo三、11.intheend12.Notonly;butalso13.lookupto14.bymistake15.madetodo四、［语篇解读］本文是一篇说明文。文章介绍了牙膏的发展史。.E上一句讲到人们牙齿出现问题，感到痛苦，那么下一句应为叮。avoidtoothache,theyhadtheirteethpulledout.（为了避免这种痛苦，他们会拔牙）”。故选E。.A上一句讲到人们意识到刷牙的重要性，但是当时并没有牙膏,那么接下来就应讲人们如何保护牙齿，故A项“他们使用柠檬汁、盐或其他东西来清理牙齿”符合语境。故选A。.B根据“Thearmygavebrushesandtoothpastetoallthesoldiers”可知，设空处应与部队相关,结合方框中所给句子可知,B项“刷牙在一战期间流行起来”符合语境。故选B。.D上一句讲到那时候的牙膏管由金属制成,D项“Todaythey5remadeofsoftplasticandaremucheasiertouse!（今天它们是由软塑料制成的，且使用起来更加容易!）”符合语境，将那时的牙膏管与现在的进行对比。故选Do.C上文提到牙膏中要含有氟化物,C项“Fluoridemakesyourteethstrongandhealthy.（氟化物能让你的牙齿坚固且健康）”符合语境。故选C。五、第一节［语篇解读］本文主要介绍了中国5G的发展。.made表示“打电话”要用makeacall;此处是一般过去时的被动语态，因此所缺的词是made。.first由语境可知，上海是中国“第一个”试运行5G网络的城市,故所缺的词是firsto.faster由语境可知，此处表示“快”要用fast;再根据“than4Gnetworks”可知，此处要填的词是fastero.areas句意:5G还会被用在其他领域。area有“领域”之意;再根据设空处前的“other”可知，所缺的词是area的复数形式，即areas。.biggest根据“oneofthe+形容词最高级+可数名词复数”的结构可知，所缺的词是形容词最高级blem下文中提到了现在的无人驾驶汽车一个“难题”，故所缺的词是problem。f由语境可知,“如果”无人驾驶汽车没有及时收到指令，就会撞车。故所缺的词是if。28.reduce由语境可知,5G网络会“减少”所花费的时间。故所缺的词是reduce。29.your由语境可知,“你的”冰箱可以自己在网上订购鸡蛋。故所缺的词是your。30.on根据设空处后的“April27”可知，此处要填的是介词on。第二节［语篇解读］本文主要介绍机器人。你可能在电影里见过机器人，机器人在这些电影里比人更强、更快、更聪明。.a考查冠词。history前面有形容词long修饰，指的是那一段历史，前面要有冠词。故填a。.more考查形容词的比较级。根据"stronger,faster”和“than”可知，这里应该填intelligent的比较级，故填more。.but考查连词。句意:一些人不能自己照顾自己,但是机器人能够帮助他们。设空处前后为转折关系。故填but。.of考查固定搭配。taketheplaceof代替。故填of。35.to考查介词。句意:在一家医院,一个机器人把饭从厨房送到病人的房间。from...to…意为"从到故填to。能力提升全练六、A［语篇解读］文章主要介绍了四项伟大的发明。36.C根据表格信息可知，纸是蔡伦发明的，故选C。37.A根据表格信息可知』876年的发明是电话,电话是由塑料和金属制成的，故选Ao38.B根据表格信息可知,最新的发明是1879年的电灯泡，故选Bo39.B根据表格信息可知，车轮的发明让人们出行更快了，故选B。.C根据表格信息可知，电话和电灯泡分别发明于1876年和1879年，都在19世纪，故选C。B［语篇解读］本文主要介绍世界各国政府和企业正在开发智能手机应用程序，帮助追踪新冠肺炎的传播。追踪疾病的传播是阻止其爆发的重要一步。.A细节理解题。根据第一段“GovernmentsandbusinessesworldwidearecreatingsmartphoneappstohelptrackthespreadofCOVID-19.（世界各国政府和企业正在开发智能手机应用程序,帮助追踪新冠肺炎的传播）”可知，接触者跟踪应用程序主要被用于智能手机。故选A。.C细节理解题。根据第二段中的"BytrackingdownpeoplewhohavebeenincontactwithCOVID-19patients,healthresearcherscanwarnthem,andkeepCOVID-19fromspreadingfurther.（通过追踪接触过患者的人，健康研究人员可以提醒他们，并阻止新冠肺炎进一步传播）”可知，为了阻止新冠肺炎进一步传播，我们最好追踪接触过患者的人。故选C。.B词义猜测题。由“AsgovernmentsremoveCOVID-19limits（随着各国政府取消新冠肺炎的限制）"和"needtobeabletoquicklyfindandcontrolnewoutbreaks（需要能够迅速发现和控制新的疫情）”可知,they代指governments（政府）。44.D推理判断题。®iEt4Butsomepeopleworrythattheappsarebeingmadetooquicklyandmaynotprotectpeople'sprivateinformation.（但有些人担心这些应用程序制作得太快，可能无法保护人们的私人信息）”可推知，接触者跟踪应用程序的缺点是“可能使人们的私人信息公开”。故选D。45.B推理判断题。文章介绍接触者跟踪应用程序的必要性、优点和缺点,可推知短文可能是一篇科学文章。素养探究全练七、A［语篇解读］本文主要介绍了中国硬币的文化和历史。46.B细节理解题。根据第一段中的"Somepeopledon'tlikeusingcoinsbecausetheyareheavyandeasilylost.”可知，此句讲的是人们不喜欢硬币的原因。故选B。47.D推理判断题。根据第三段中的"ThefacevalueofChinesecoinshaschangedseveraltimes.“可知，第三段主要讲了中国硬币的面值。故选D。48.B词义猜测题。根据第四段中的“TheyshowedthatChinawaschangingfromanagriculturalcountrytoanindustrialcountry."可知，它们显示了中国正在从农业国家变为工业国家，因此可推测在硬币上新加的是工业用品，可推测画线部分单词的意思为“齿轮”。故选B。49.A细节理解题。根据第四段中的"Thefrontsideofthefirstsetofcoinshadournationalemblemandourcountry'sname,whilethebacksidehadearsofcom.“可知，第一版硬币的前面有国徽和国家的名字，背面有麦穗，因此可推测我们在第一版硬币上是看不到齿轮和谷物的。故选A。50.D细节理解题。根据第四段中的“TheflowerssuchaspeoniesandchrysanthemumsallhavepositivemeaningsinChineseculture.59可知,peonies和chrysanthemums是两种花。故选D。B［语篇解读］本文主要讲述了条形码的由来、构成及用途等。51.A设空处前提到“我们只需要给每个产品一个特定的数字并打印出来”，与选项A“然后计算机可以直接读取它”对应。故选A。52.C设空处前提到“一个不清晰的7字对电脑来说可能看起来像」L崎『8，也是如此"，与选项C中“如果你把9翻过来,9看起来和6很像，对应。故选Co53.E由设空处后的“black”和“white”可知，选项E“它们被涂成黑色或白色来表示数字。到9”符合题意。故选E。54.D设空处前提到数字'1'在条形码中的呈现形式，选项D“即使你把它颠倒过来，它也和其他数字不一样”符合题意。故选D。55.B设空处后提到“最后一部分是关于产品本身的”，这里讲的是条形码的每部分的含义。选项B中“下一部分告诉你谁生产的产品”。故选B。.（2021江苏张家港期末）不但我爸爸会开车，而且我妈妈也会。因此他们轮流开车送我上学。myfathermymotherisabletodriveacar.Sotheyoftentaketurnstodrivemetoschool..越来越多的青少年仰慕科学家。Moreandmoreteenagersscientists..警方误抓了她。Shehasbeenarrested..我被要求做很多事情。Iwasmanythings.四、阅读理解（2020新疆中考）阅读下面短文，把A—E五个句子填入文中空缺处，使短文内容完整。Longago,aspeoplegotolder,therewassomethingwrongwiththeirteethanditwouldbeverypainful.16Laterpeoplelearnedthatcleaningtheirteethwasimportant,buttheydidn'thavetoothpaste（牙膏）atthattime.17About100yearsagosomeonefinallycreatedakindofcreamtocleanteeth.Notlongafterthat,thetoothpastetube（管子）wasinvented,sopeoplecouldpressthetoothpasterightontothetoothbrush!18Thearmygavebrushesandtoothpastetoallthesoldiers,andtheylearnedtobrushteethtwiceaday.Atthattimetoothpastetubesweremadeofmetal.19Todaythereareplentyoftoothpastechoices:lotsofcolorsandtastestochoosefrom,andsomekindsoftoothpastearemadejustforchildren.Whenyou'rechoosingakindoftoothpaste,makesureithasfluoride（氟化物）.20Whenyoubrushyourteeth,youdon'tneedalotoftoothpaste:justpressoutabit.A.Theyusedlemonjuice,saltorotherthingstocleantheirteeth.B.ToothbrushingbecamepopularduringtheWorldWarLC.Fluoridemakesyourteethstrongandhealthy.D.Todaythey'remadeofsoftplasticandaremucheasiertouse!E.Toavoidtoothache,theyhadtheirteethpulledout.9.20.五、语篇填空第一节阅读短文，从方框中选择适当的词并用其正确形式填空,使短文通顺、意思完整。每空限填一词，每词限用一次。areaonefastreduceproblemonbigmakeyouifChinaisracingtobuildanationwide5Gnetwork.Thefirst5Gvideocallwas21onanHUAWEIMateXonMarch30,CGTNreported.Shanghaiisthe22cityinChinatostartatestrunof5Gnetworks.About100times23than4Gnetworks,5Gwillallowpeopletodownload（下载）anduploaddata（数据）fasterthanever.Itwillalsobeusedinother24.Self-drivingcarsmaybeoneofthe25changes.Today'sself^drivingcarshaveone26.Whenthecar"sees”anobstacle（障碍）,itsendstheinformationtoadatacenterandwaitsforinstructions（指令）.Thecarwillcrash27itdoesn'treceiveinstructionsintime.5Gnetworkswill28thetimeittakesandmakethecarssafer,CNNnoted.5GcouldalsopowertheInternetofThings（loT）.Thisrefersto（指的是）amuchlargeronlinenetworkthatconnectseverythingandeveryone.VeryfastInternetspeedsarethekeytorealizingit.Forexample,withloT,29fridgecouldordereggsonlinewhenitnoticesthattherearenoeggsleftinside.China'sfirst5GpolicestationwasrecentlyshowninBao5andistrictinShenzhen.ChinaMobileCommunicationsCorporation（CMCC）madeXiamen'sfirst5Gvideocall30April27,bringingthecityintothetimeof5G.0.第二节阅读短文，根据语篇要求填空，使短文通顺、意思完整。每空限填一词。Robotsseemverynewtosomepeople.Butinfacttheyhave31longhistory.Youmayoftenseerobotsinlotsofmovies.Therobotsinthemoviesarestronger,fasterand32intelligentthanpeople.Inreallife,mostrobotsareusedinfactories.Theyareusedtodomanydangerous,difficultorboringjobs.Somepeoplecan'tlookafterthemselves,33robotscanhelpthem.Forexample,somepeoplecan'tsee.Theyusedogstohelpthemselvesmovearound.Thesedogsarecalledguidedogs.Scientistsaremakingrobotstohelpthem.Theyconfidentlybelievethatrobotdogswilltaketheplace34theseguidedogsoneday.RobotsarealsousedinAmericanhospitals.Atonehospital,arobottakesmealsfromthekitchen35thesickpeople'srooms.Itneverlosesitswaybecauseithasamapofthehospitalinitscomputersystem.Inthefuture,robotswillworkinspace.Robotswillnevertaketheplaceofhumans,thoughtheycanhelpusinalotofdifferentways.4.35.能力提升全练六、阅读理解A（2022河南驻马店期末,21—25,十翁翁）TheInformationaboutSomeGreatInventionsAlexanderGrahamBellPaperAround2,000yearsagoCaiLunChineseCottonorflaxUsedforAlexanderGrahamBellPaperAround2,000yearsagoCaiLunChineseCottonorflaxUsedforrecordingAppearingTimeInventorInventor'sNationalityEarlyMainMaterialMainUseWheelAfewthousandyearsagoUnknownUnknownWoodMakingtravelling

TelephoneIn1876AmericanPlasticandmetalUsedforcommunicating

¥Lightbulb（灯泡）In1879ThomasAlvaEdisonAmericanGlassandmetalGivinglightfasteroverdistancesinformation6.Sinceinventedpaper,peoplehavebeenabletorecordinformationonpaper.A.AlexanderGrahamBellB.ThomasAlvaEdisonC.CaiLunD.Unknown.Accordingtotheformabove,theinventionthatappearedin1876wasmadeof.A.plasticandmetalB.glassandmetalC.cottonorflaxD.plasticandcotton.Accordingtotheformabove,thelatestinventionwas.A.thetelephoneB.thelightbulbC.thewheelD.thepaper.Thankstotheinventionofthewheel,peoplecan.A.haveenoughlighttoreadB.travelfasterC.communicateoverdistancesD.recordinformation.WhichofthefollowingisTRUEaccordingtotheformabove?A.Threeoftheinventionsweremadeofmetal.B.NeitherAlexanderGrahamBellnorThomasAlvaEdisonisAmerican.C.Twooftheinventionsappearedinthe19thcentury.D.CaiLuninventedthewheel.（2021湖北恩施州中考,66—70天+幻GovernmentsandbusinessesworldwidearecreatingsmartphoneappstohelptrackthespreadofCOVID-19.Trackingthespreadofadiseaseisanimportantstepinstoppingitsoutbreak（爆发）.BytrackingdownpeoplewhohavebeenincontactwithCOVID-19patients,healthresearcherscanwarnthem,andkeepCOVID-19fromspreadingfurther.Thisiscalled"contacttracing（接触者追踪）”.AsgovernmentsremoveCOVID-19limits,they'llneedtobeabletoquicklyfindandcontrolnewoutbreaks.Contacttracingwillbeanimportantpartoftheprocess.ButbecauseCOVID-19spreadssoquicklytosomanypeople,it'salmostimpossibletotraceallcontactswithphonecalls.That'swhymanypeoplehopethatdigitalcontacttracingwithsmartphoneswillhelp.Mostcontacttracingappscollectinformationaboutwherepeoplehavegoneandthepeoplethey'vehadcontactwith.TheappscantelluserswhenoneoftheirrecentcontactshasbeenfoundtohaveCOVID-19.Somesystemsalsotellgovernmentsorhealthcareworkers.Nowmanyappshavebeendevelopedallovertheworld.Butsomepeopleworrythattheappsarebeingmadetooquicklyandmaynotprotectpeople'sprivateinformation.Whatdoyouthinkofthiskindofapp?.Contacttracingappsaremainlyusedon.A.smartphonesB.computersC.carsD.telephones.TopreventCOVID-19fromspreadingfurther,we'dbetter.A.bringsmartphonesB.controlallpeople'smovementsC.trackdownpeoplewhohavebeenincontactwithCOVID-19patientsD.tellgovernmentsorhealthcareworkers.Whatdoestheunderlinedword“they”inParagraph3referto?A.Users.B.Governments.C.Researchers.D.Healthcareworkers..What'sthedisadvantageofthecontacttracingapps?A.ControllingthespreadofCOVID-19.B.Makinghealthcareworkersindanger.C.Tracingallcontactswith