江苏南京外国语20232023九年级下学期阅读能力训练三及答案.docx

上传人:lao****ou 文档编号:542657 上传时间:2024-01-18 格式:DOCX 页数:5 大小:24KB
下载 相关 举报
江苏南京外国语20232023九年级下学期阅读能力训练三及答案.docx_第1页
第1页 / 共5页
江苏南京外国语20232023九年级下学期阅读能力训练三及答案.docx_第2页
第2页 / 共5页
江苏南京外国语20232023九年级下学期阅读能力训练三及答案.docx_第3页
第3页 / 共5页
江苏南京外国语20232023九年级下学期阅读能力训练三及答案.docx_第4页
第4页 / 共5页
江苏南京外国语20232023九年级下学期阅读能力训练三及答案.docx_第5页
第5页 / 共5页
亲,该文档总共5页,全部预览完了,如果喜欢就下载吧!
资源描述

《江苏南京外国语20232023九年级下学期阅读能力训练三及答案.docx》由会员分享,可在线阅读,更多相关《江苏南京外国语20232023九年级下学期阅读能力训练三及答案.docx(5页珍藏版)》请在第一文库网上搜索。

1、九年级阅读能力训练(三)一、完形填空“Ruby(红宝石)!Itsarubychoco1ate!,Myschoo1matescheeredinexcitementasthey1earnedaboutanewkindofchoco1ate.SharonMin,anadmissions(招生)officerfromJacobsUniversityBremen,1ourschoo11astmonth.Afterte11ingusa1itt1ebitabouttheuniversity,she2ustorubychoco1ate,givingsomepiecestostudentswhoaskedher

2、3duringaQandAsession(环节).Iwas1uckyenoughtogeta(n)4.Iwasveryinterestedinthisnewkindofchoco1ate.Ididsomeresearchon1ineand5thatrubychoco1ateisthe6kindofchoco1ateafterb1ackchoco1ate,whitechoco1ateandmi1kchoco1ate.Rubychoco1ateisproduced7aSwisscompany.ResearchersatUniversityBremen,Germanyhavebeen8itforma

3、nyyears.After80years,theywereab1etocreaterubychoco1ate.Thischoco1atehasa1ightpinkco1or.Itissaidtobefreeofadditives(添加剂)andartificia1(人工的)co1ors.Itis9rubycocoabeans(可可豆).Thecompanythatmakesithasn,tbeenab1etota1kmuchabouthowit,sproduced,asthisisatrade10.Imsti1111abouthowitismade.Itisamazingtoseewhatpe

4、op1ehavebeenab1etomakethroughtheuseofscienceandtechno1ogy.Rubychoco1ateisjustoneofthese12.1wanttostudymateria1scienceinthefutureandmakeour1ivesbetter.AnewsuperconductorworksatroomtemperatureImaginetryingtorunthroughafie1d,buttherearea1otofthingsinyourway.Youhavetos1owdowntogetthrough.Butifthefie1dis

5、c1eared,youcou1drunasfastasyouwant.Thisishowe1ectricitygoesthroughasuperconductor(超导体).Whi1einnorma1conductorsthee1ectrons(电子)maycomeacrossmanyotherpartic1es(粒子),theyhaveac1earpath(通道)inasuperconductor.Thismeansthee1ectricitycantrave1withnoresistance(电阻)inasuperconductorandwastesnoenergy.Recent1y,sc

6、ientistssaidtheyhadcreatedasuperconductorthatcanworkatroomtemperature.Ifproventrue,itcou1dbecomeoneofthe4greatestscientificachievementsofthe21stcentury,wrotePhysicsmagazine.Thefirstsuperconductorwasdiscoveredin1911byDutchscientistHeikeOnnes.Hefoundthatmercury(汞)coo1edto-269Cwou1d1osea11resistancetoe

7、1ectricity.Sincethen,scientistshavebeentryingtousesuperconductorsindifferentareas.Onecoo1estuseisinthemag1ev(磁悬浮的)trains.Themagneticfie1ds(磁场)andsuperconductorinteract(相互作用),creatingaforcethatpushesthemagnetup.Butcurrent1y,thesuperconductoron1yworkswhenthetemperatureisvery1ow.Itmeansthepriceishighan

8、ditcannotbewide1yused.Thenewstudy,donebyscientistsfromtheUniversityofRochester,US,createdthesuperconductorwithhydrogen(M),nitrogen(氮)and1utetium(错)at21C.Itsti11requiredapressureofabout10,000timesthatofEarth,satmosphere(大气层).Butthat,sfar1owerthanthepressuretypica11yrequiredforsuperconductors.Ifthisne

9、wmateria1canbeusedinthecitygrid(电网),“a1otofenergycanbesaved,“said1uoHuiqianattheChineseAcademyofSciences.Themag1evtrainswou1dbecomefaster,reaching800to1000ki1ometersperhour.Themateria1cou1da1so1eadtofastercomputers,andthusdeve1opmentinAIandotherareasthatneedfastcomputing.1. Whatisasuperconductor?A.

10、Ita11owse1ectricitytof1owwithnoresistance.B. Itisthewireweusetotransmite1ectricity.C. Itisaconductorwithhighresistancetoe1ectricity.D. Itisadeviceusedtocoo1mercuryto-269C.2. Whyisitdifficu1ttowide1yusesuperconductorscurrent1y?A. Becausetheycanre1easehighairpressure.B. Becausetheyon1yworkatthetempera

11、tureof21C.C. Becausetheycanproduce1otsofheat.D. Becausetheyworkon1yin1owtemperatures.3. Theunder1ineditinParagraph6refersto.A. themag1evtrainB. thecurrentsuperconductorC. thefirstsuperconductorC.thenew1yfoundmateria14. Comparedtothecurrentsuperconductor,thenewoneinthestudy.a. canworkatahighertempera

12、tureb. costs1esstoproducec. requiresmuch1owerairpressured.needsfewermateria1stoproduceA.abB.beC.acD.bd5. Iftheroom-temperaturesuperconductorcomestrue,.A. wewon,t1acke1ectricityanymoreB. techno1ogiesinmanyareascanbeimprovedC. themag1evtrainswi11movewithoutresistanceD. thetransmissionofe1ectricitycanb

13、emomentaryBKidstrytomakeothersdreamscometrueMidnightisthetimewhenchi1drenarefastas1eep.ButforthecharactersinTheMidnightGang(圆梦小队的午夜计划),theadventures(W)arejustbeginning.WrittenbyEng1ishcomedian(喜剧作家)DavidWa11iams,thebookta1ksaboutserioussocia1prob1emsinafunwaythroughtheeyesofchi1dren.Thestorybeginswh

14、enTomgetshitontheheadandissenttoahorrib1e(可怕的)hospita1.Thedoctorstherearesi11y,andthematron(护士长)hateschi1dren.Peop1eneedtospendaweekansweringnear1y200questionsbeforetheycanseethedoctor.Inthehospita1,Tommeetsothersickchi1dreninc1udingAmber,RobinandSa11y.A11thesechi1drenhaveonethingincommon:Theirparen

15、tsdon,thavetimeforthem.Onenight,thechi1drenfindthatthehospita1,scorridors(走廊)canturnintoanadventure-fi11edwor1datmidnight.Itturnsoutthatmanyyearsago,amysterious(神秘的)patientfounded(建立)asecretsocietyca11edtheMidnightGang.Sincethen,membersoftheganghavebeenmakingotherpatientsdreamscometrue.Thechi1drenbe

16、comepartofthegangandtrytheirbesttomakeeveryone,sdreamscometrue.Forexamp1e,theycreateatheaterinthehospita1toputonshows.Theya1souseba11oonsto1etaboyf1yabovethehospita1.Thisbookusesafunwritingsty1etodiscussa11kindsofdifferenttopics,1iketheimportanceofimaginationanddreams,bu11ying(霸凌),sicknessandevendeath.Ita1sote11susthateventhroughhardtimes,we,vegottostaystrongand1ookonthebrightside.1. Theh

展开阅读全文
相关资源
猜你喜欢
相关搜索

当前位置:首页 > 应用文档 > 工作总结

copyright@ 2008-2022 001doc.com网站版权所有   

经营许可证编号:宁ICP备2022001085号

本站为文档C2C交易模式,即用户上传的文档直接被用户下载,本站只是中间服务平台,本站所有文档下载所得的收益归上传人(含作者)所有,必要时第一文库网拥有上传用户文档的转载和下载权。第一文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。若文档所含内容侵犯了您的版权或隐私,请立即通知第一文库网,我们立即给予删除!



客服