河北省玉田县第一中学2026-2027学年高二上学期10月阶段检测英语试题

河北省玉田县第一中学2026一2027学年高二第 试 英语试题 学期10月考 2026一2027学年度第可学期高二年级10月份阶段考试Wc 配英语试题 s可boo班i记eiX.A oGluOthoasmtl.J 注意事项： memi d oW ES 1.答卷前，考生务必将自己的姓名、班级考试号考场号座位号填写在答题卡上。A 2.回答选择题时，选出每小题答案后，用2B铅笔把小答题卡上对应题目的答案标号涂 黑。回答非选择题时用0.5mm黑色签字笔，将答案写在答题纸上。流2igs01,小 考试结束后，将小答题卡和答题纸交回，mg1i92知0od山0iog01.d 第I卷（共85分） 第部分：听力（共两节，满分30分）i9i（生学二大)1om92分，0n2Hc 第-节：（共5小题：每小题1.5分，满分7.5分）ni01009ia9409. 听下面5段对话，每段对话后有一个小题，从题中所给的《、日、℃三个选项中选 出最佳选项。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下，一小 题。每段对话读两遍。 oge d sd borigen gaso Is smd ed oqo bonon 1.What are the speakers mainly talking about? A.A social media rule.B.The online dangers.C.Some technology companies. 2.Where does the conversation takeplace?带t又女前)91 A,的n A.In a restaurant.B.In a hotel.C.Ina cinema. .What will the woman do nex? A.Book a hotel on the interet.B.Contact the travel agency.CCheck with some hotels. 4.Which season is it now? A.Spring.B.SummerC.Winter 5.What will Mr.Green do tomorrow? 'l0时3We80si10802i8i20lb23 A.Review a project.B.Talk with Simone.C.Give a presentation. 第二节：供15小题，每小题1.5分，满分225分)200g10 听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、C 个选项中选出最佳选项。听每段对话或独白前，你将有时间阅读各个小题，每小题5 秒钟：听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。 听第6段录音，回答第6、7题 giiqd gnion 6.What time is it now? Conions miloH A.About 9:30. B.About 10:00. C.About 10:30.A 7.What will the man do? bne A.Come back a little later.B.Wait in the reception area.C.Go out for a cup of coffee. 听第7段录音，回答第8、9题。 (位0外公解，甘两共曦旺数向：欣略二食 8.What does the man saybo hisb?乞rS代影，企es意个：小，Ii判 A.It gets much feedback B.It needs to be improved. 背一第 C.It took a long time to set up. 9.How does the man get his ideas for posts? A.By referring tootheroni sources. 。厚能测1寺 B.By going to the latest shows.C.By observing local people. 听第8段录音回答第10至12题，pm82lgc12Alh0i8nbeo月2 10.Whatwll Pa switchto A.More t More rMore prtitivities. 11.What subjectdid Sara tech? odresto oals levisoa l A.English .noieasax9 ouaihs mrsbom diw noiservnoo mi ogci9 B.Literature. C.Math. 12.What does Paul think of Sarah's idea? u501图 A.Creative B.Complex. C.Traditional 听第9段录音，回答第13至16题。 2002107250路01199+08 13.What are the speakers mainly talking about? 骨桑合slde短01通s6iWo-0g osvissO bns euolsia Ieunn:sm A.Students'performance.B.New teaching strategies. C.Technology-centered lessons. 90 14.What kind of computer course will the man take? 31o0 A.The advanced course. B.The medium course. C.The beginner course. olBiCmB 22 31o0 15.Where should the man take the computer course? 1 ordidx30iz7eA记7 1C50 A.In the library.B.In the Office Building.C.In the Computer Science Building S350 16.When will the man take the computer course? CyoM A.At2p.m.on Thursdays.B.At 5 p.m on Tuesdays.C.At 4:30p.m.on Mondays. 听第10段录音，回答第17至20题。 17.How often does the speaker post videos? /amiox9 toinsw33ai1s9V2h时9v图 A.Every other weekB.Once a week.C.Twice a week. 18.What does the speaker think of her teaching approach? A.Traditional 若B.Abstract月2 C.Popua 19.What was the speaker's challenge at first? 10n【67121she39o2g0T.a9291g A.Writing blogs.B.Making videos.C.Choosing topics 20.What is the purpose of the talk? 为m3b0值3 bns trsi3ns A.To encourage online education.B.To collect students'feedback.C.To gain more followers. 99u919010879a51g0T日 oI2s0ogTas 第二部分：阅读理解（共两节，满分40分） 密？，8袋答问密无月「弟四 第一节：（供11小题：每小题2.5分，满分27.5分 2iu品2m3道0dt计W8 阅读下列短文从每题所给的A、B、C和D四个选项中，选出最佳选颜在答能 卡上将该项涂黑。 9220q12B9i252as30克Wo8 25yH025i0aio91ga5v8.A ofgnvedo 2wo5il3ho1gi0g88 The Silk Road netioArts Festivaisht around thewordrouerformaces and xhibtios Byncerr isieetitcelebrates utrldiversitynoaexchange cultures.Held inXian this year,the festivalasooffrs the city a chnce to prestsct heritage in conversation with modern artistic expression. 519j「8 Event Overview dailgn3 A 30+Countries Participating sbioiob WSI 80+Performances&Workshops xolqmo. ei A 醒1等策答回，曾最贸e策酒 240-hour Visa--Free Entry for Eligible(符合条件的)Travelers Key Theme:Cultural Dialogue and Creative Collabortio isWI 0225lh59t3- Date e989吃ri09时W3/且 Veae4t电2.A 0ct16 Opening Ceremony World Stage Gala X灯an Silk Road Theatre7 0ct.18 2099f在SET Cross-Cultural Dance Dialogue Tang West Market Center T A 0ct.21 Visual Arts Fusion Exhibition 92山0919103039 Shaanxi Art Museun 0ct.24 Youth Creativity Lab啦力 gmibling Intemational Cture Park Nov.2 Intangible Heritage Day s200130000 Xian City Wall Square Novtist Form:Future of East-West Coletio Coferen 278D0 0至 Hall Events this year feature a wealth of excitingprohtarewelloron forward to.Architecture students from Italy willexprti between Romn gmty (ad raditional Chinese couryar esign.Artists fromArgentina ill renpe Chinese ink techniquesinmrary foms.Russianartists will inorate ()the Chinese chaactetheropaintingreng goodhs for th kRod ephroug suchvnts the festival otonso cbutpsfuther buieitio ancient and the modern meet. Cs1d16s20灯g9道1纷i/. 21Whatis one main purpos of the eti A.To promote the Silk Road. B.Topreserveancint heritage. C.To foster cultural exchange. D.To boost international tourism Which vemueou be the best h A.Xi'an Silk Road Theatre. B.Shaanxi Art Museum. C.Interational Culture Park. D.Tang West Market Center. 23.What can be nre fromthe exampes in the last paragraph? :源源宝 A.Chntyprst5自济餐土学施a答j B.Chinese elmenaregiven ewristicexpeso..高来答在比壶，闭圆特女客可.g C.Foreign artists stick tofiedabout Chnesecutr.mm2.0鼠tf非答国 D.Fori reators hoosthe same cultral symbo ofChn咪+答小# 试束 (代8兴B卷I Jackie Hsiao,asophomore(大二学生)at the University of Rochester Fencing Club(击剑俱乐 )competed in the 2025 Fencing Junior Olympics in Charlotte,NC.This event marked the peak of six-year fencing joumey and her first national-level encounter with elite fencers. Hsiao's fencing adventure began at a summer camp before her eighh grade year.Though she initially hatedogsweatyhoursfnqumnt andetingaanstmor experienced opponents,her time at camp inspired her interest in the sport within her. In high school,Hsiao found a welcoming community of fencers and coaches.She developed and refined her skills with the foil,the smallest and lightest fencing weapon.However,during her senoryear,,a devastating ACL tear(前交叉韧带断裂)put her career a risk,9 doubted ifI retur to fencing,"she said.After surgery and nine months of painful physical therapy,two to three times a week,Hsiao began fencing again.Her defensive fencing style remained mostly the same,though she had to think more about her back leg position. On the mental side,Hsiao emphasized positive thinking and mental preparation.She believed that negative thoughts could impact performance and learned to stop over-thinking during competition.Hsiao also revealed the life lessons fencing has taught her,saying,"Persistence is the key and losing is one of the best ways to lear." wonomo时ob50 A lliw tedW Her family has been supporting her through her fencing jourey.When she was qualified for the 2025Fencing Junior Olympics,she immediately shared the news with her mother.At the Junior Olympics,she even met her favourite fencers,Lee Kiefer and Maia Chamberlain. Jackie's next goal is toconu competing at the national level and eamaratingoh United States Fencing Assocatio Recently,she was elce president of the Universiy of Rochester Fencing Club.n April,she will lead her team to the United States Assoion of ∂集誉回 ,音得∂荣测 Collegiate Fencing Clubs Championship 24.What made Jackie Hsiao first become interested in fencing? wou h ai sml sdw 00:01oAa 0E:e odA A A.Her mother's strong encouragement. B.Meeting famous fencers at the Junior Olympics. Sob nsm野isw可 C.Her high school fencing community and coaches. 2 D.A summer camp experience before eighth grade 09:aGi6,、ca。ws1,2fe2P2t0 25.How did Jackies fencing style changevr 是 一She became morer9e攻击in attack,g能eu时bawo B.Sheo0 o（借不 已)b9i2ss C.She paid more attention to her back leg position DshetedhertnangieqeaeynomceaNekdgonlpb0mms 26Mfinpott6esxotsdid6cktehiaolanhoncgmeimnb子g2d A.Constant dropping wears away the stone.. B.Look before you leap k。a2oD.Ma野an5 ake lightwork 2.Wtshin pupoa of he rticle A.Tohiehietheroleofamiysportahileticsucesgasanbaee9:inroiauo B.To analyse the training methods of extraordinary fencers. b9iigiifgi2SvW9ul C.Topromo 5 Fencing oms nCharlotte D.Topresent aelite ecsjoyomeritytchieve L2f979Ws/6e3ghinds9naediC02st9em9mo3d3iem,b1adT.aaoi0m Anewlyngeredmout likerehargeablseat batteryongh andsnemand Solar ergy hasn persistet weakness:it disappearst Finding aebe way tostore that eergyfosremainse of the biggestobsac to expanding renewable power. Aee atUSanta Barbara may have found a mexpeted workaround Instead of relying on conventional batteries,they created a small organic molecule that captures sunlight,locks that energy into its structure,and releases it later as heat. a0 itmolax9人.S To understand the idea,Nguyen points to a familiar example.Think of photochromie sunglasses(光致变色太阳镜).When youe inside,hey'ust er lenses.You walk out into the s,and theydarkenon theirnCome back inside,nds become rn, Nguyen said."That kind of reversible hange is what werenerested in.Onlyinstead of changingwe want to use the same idea to store energy,release it when weneedtand then reuse the material over and over." Tbul the eaoDNAoi.They strcture(毫啶酮结构))reembsDN在rlychanget eposedtoUyiehtiBycreatingasyntetcversion,theteandesigncdamolecule.capableof ipeaedsorgandrelksingemeglheyokodihKeuoukaistinguishedrescarc中 oat UCLAusg computioamorsnd howthe moc energy while remaining stable for years,a共)卷I蒙 -wMepiorizedalighweiegt,compactmoleculedesign”"NguyenaidfTorthispoiet ecueveryhing weidn'ed.ythnghremvekee noleceasconmpesposike汽nikaolmpame5tageaeaetecticiy,hissten orshrciegyin6hemicaomTWenotee6etaiseacoiedspring/Nhea eposed0Smieh,i1shisoasnind适，menycoaf@tioaemaihsinhattat liegaodyeaicat储host8etnoisme6nmndlcse the stored energy as heat iIoimshoA mi noits oM gninineu Dit epcbattelyNgye and it b“he品ooro中a沙eniengy oW density inthererrdemo that he ete othemarno erfepeviouy orfield oio oi mogT CdoTSAMe rte de 28阶di卷ek灯u6o时ree谒e高，sehs市大s加a A.Using conventional bateretstore soar power dblroo lsog mo-ora s slamx10bw B.Applying the ewranic moeorheat 2 olisboaom ai C.Saving sunligt for imetroc gsdsmosoinevo D.Updatingso devcs togenerate owro o o no bszang ad mno vhiviiao 2.Widthecomthe e of thoe A.To copy the basic form of natural human DNA B.To guarantee its high eergy density for boiling water C.Toimprove its practical performncenalfppicon 25量29g9起3h3话uA D.To prevent it from changing formsdr ongi 8qg0tv70g23t932,208d9z28 gex9 Tosamoy omsid meo isd 30.Which diagram best shows the molecule's energy storage and release process? 09n0003rW 0 geicovb治5st,a可 iwnoy moit ssmono alsoy wuev y9 eeal noiaegg ismmi d,ob A. ow sloaB. ps023 orto6iG15▣ d769313ih9m93yBa190o ohra asulev Isnoarog m botcor (馆不家垫gi97 .091sg0320b0y2970mu251V229o83.A 0its2n量ao1o时921spr29io9ido记，8 蛇gnirmo.O D 5020 9V0gri32.0 0000-+00000 冷ig2pd.3 25t地87erio2sv0叹9751el2iT. 31.Which ofthe followngsoth A.An Inovative,Volecue Rechareabi eSore两共用陕音否，食路三系 B.Daily Applications ofAdvanced DNA Technology C.Comparison Between Solar Panels ad New Batteri琴4dl空：香-策 D.Si流p Method&tProduce Boiling Wate,8,A端余题含司文缺从，文欧画才刻圆 ,黑瑞煎英1牛鹰答市共，煎张出是增焕目 第三节：（供5小题：每小题2.5分满分125分）t,00i记m(i008 根据短文内容，从短文后的选项中选出能填入空白处的最任适项选项中有两项为多余 选项。注意：E涂ABP涂ACG涂A加的R延 50 gore ns gnisomyh bne (2oise gaino Sustaining Motivation in Academic Life Mhoirai如dnsg9glactegyue,b0aorehsteaoten-tget和ntn d e resre Many ofen fal into he tap o setn 场咖 challengesefective Start by setting SMART objectives.33 Transforming them into Specific, Measurable,Achievable,Relevant,,Time-bound(限时的）goas proyiducre ath forward.Forxample,a short-term goal could be improving math scores by15%ntwo mtsthrough daily practice Such clarity enablesprcisprogestrackingand reks overwhelming ambitions into actionable steps. 2o1qgiprosgesandgi,0tteilaiva2.0 34 Positivity can be passed on to others,while negative environments take away your motivation.Surround yourself with peers who attach great importance to academic growth e -studies show students i motivated groups can stick to tasks0%longer.Ther consistent encouragement helps you stay committed during challenging hardships. A further critical strategy lies in redefining failure as learning.Instead of viewing mistakes as setbacks,see them as growth opporuities.When scoring poorly on a test,analyeo rther than blame yourself For example,if your composition has weak points,you will kow 01 what to correct.w Finally,take advantage of internal motivation.External pressures like parental expeciations fade,but inner passion lasts.Reflect on whether your goals originate from genuine interest or merely mirror others'expectations6 Take careful notice when there is a misfitfo oas rooted in personal values,such as pursuing biology to advance medical research,foster unwavering(悭定不移的)commitment. A.Each essay revision moves you closerio perfection. B.Such objectives will give rise to long-term frustration C.Forming study groups can help share learning resources. D.Setting overly simple goals can make you lose interest quickly E.Equally significant is constructing a mutually supportive network. F.This helps reveal if they match your values for timely adjustments .os oals like"ettingingood uirack 第三部分：语言知识运用（供两书，满分30芬2dg91 oM9yiv0mah TAMC beonevbAnAl 第一节：完形填空（供15小题：每小题1分满分5分e029w98080 阅读下面短文，从短文后各题所给的A、B、G和D四个选项中，1选出可以填入空 白处的最佳选项，并在答题卡上将该项涂黑 acomtymusc ss,romhreoather Mypnish gui eside MariaChnesn mu West African djembe()Our first attemnpi toplay together tebe conflicting scales ()and rhythms,creating an atmosphere thick with38. Our nsincD39g加n”he Do no g0 dadthe soryhoh5sof纺能d tadiion cre as fe传不协词他n2 sb comicaeHomneveserntelenedop4eashotrspheggodad9 Webegmoenmoedceplnoebeoadte经omtaidhenlamtehded them.Smuem pe丝Mr6 ongine:i数Tmna证 emotion ooa vsws aw priggorb eao.A Ms.Dsihshamhehedr4steselehenistogether.Theehu'scalbeamieapuesionim23 answeredbytegritr'spasion,supotedbythedjeibesteadytythnrWwedidhithiend折ic intifoity,ach soudmined culture washighlighted. ibomoboinoT Our final perfomac,thoughhdouW hamonydbesatrequire49notes,butespectfordiiernfvoicesamdrecogniionof50humand moion.That day,musicme ore than sound it becae a bridge,and wewere its51 37.asuceededinsdB,biougtindsgsdbC.resultedin9lh39lormDgaven9trnA 38.Xfhnutaiona6iB.dctemihatons9se.teisionsslb3bmp.atsthactomsiabe 39.A.offered t8即p西C.mtere D.a&品eni子 0noinCren 390gds90gs年9 D.observing 862OU82A 41.A.SuddenlyBEvetllCActually 42.A.exploration B:motivationC.transformationvotion 43A.notes oiB.songsx C.lyricsD.linessoT 44.A.exchanged B.producedC impressedD.celebrated 45.Acompared B.afectedo 46.A.generate B.rv.evise varono etola of sobi,omse o sau ot tnew ow ploc onisno 47.A.confusing B.distinct C.plain 92U918 48.homibleomiikin 49.A.classicalB.identicalCpractical(Dypical 50:A3$hreduslomabsB,posiiveishoizaC.mixodeAsnin9eD.tcrcateo时seop 51AamhaeoiogtetaB.ihoiyinbhoC.architectsgntasl6rD,atdemicessio9qp loi9抛为m5dWoibnsi279bolsi0oalkoitgno0gti2uAOUB1oeiog 第Ⅱ卷（共65分）9y18niim19e 第起部分英语知识运用g“g0面0恤sia网9 第节语法填空（共10小愿，每小题15分满分15分i的 阅读下面胞文，在空白处填人1个适当的单词或活号内单词的正确形式 BEG-Se2hegXpaeceliemwioas恤ceaoas52ioancga htno幢吗地sggG血eane 山5 Spc8 CMS）h拉 The training aimed 54 elp)heZhang and Li Jiayngfmiliarize themselves withsriechniques55 aogrhiwceontionsheCNSAodintevideo5nay,hadioaothenctid training,the crew has been engaged in a wide range of 56 (science)experiments They made u ofpae Raman promy the reionhp microbiota(肠道菌群)57 i(衡陈代谢)uder ong, duration spaceflight circumstances. chvi0 rmtiny(值观物理学in microgravity were performed,58 (xhowgravity ffects visuai proingad howspaceflight impacts inttiv physics prceptio.5 the lswas inbitminandmryecsomaking capability assessments. China launched the Shenzhou XXcrewed spaceshipon May 24.The mission is 60 (true)notable for including a one-year in-orbit stay experiment,61 will provide crucial data for future long-duration space exploration. 第四部分语言知识（共两节，满分20分） 第一节（共10小题，每小题1分，满分10分） 从词汇框中选择合适的单词完成句子（有两个多余选项） approve demonstrate appropriately posed adopted distinctly emphasis secure fantasy sneeze varied inquire 62.Seeing the boy was so upset,the mother called the teacher to what was going on at school. 63.Global warming has a serious threat to the survival of animals 64.There was no real barrier between reality and in his mind 65.These smart homes will keep us save us energy,and provide a more comfortable environment to live in. 66.They advocate a simple life with an 67.Whenever i on hard work,family and community 68.In Japan,it may. my English teacher says,"Bless you!" 69.Fools admire,but men of sense respect to look down when talking to an oder person. 70.React without overreacting because it isn't as you hoped or wanted. 71.We have been informed of the strict rules to be future。. for garbage sorting in the near 第二节（共10小题，每小题1分，满分10分）根据汉语补全句子，每空只填一词， 72.We'll finish the work in July, we will be free. 73. 我们将于七月份完成这项工作，到那时我们就空闲了。 ntir ands,they ohemevebyin uofe up at the ceiling. 他们下巴搁在手上，或望着窗外，或仰望天花板，以此消嘉时间。 74.Your lights will comeon _instant you enter the door. 你进家，有就会亮起no1o的h过动iR9他mo83 75 iltakeom在车mhome begi0 h恤e联wmg 还将要过感年大多表新在主才会开给使用这种技木。d 7.ound 00evingboutce 大均九千年前，冰层消融留下了约百座冰川e是西8如0 7.is o dennht theroeis eming better here. 不可否认这里的环境状况正在变好9992击no0加l9n 78.Famous country musi oups putperformances therea yeao 知名的乡村音乐团全年在那里进行演出。 ou od nigu died bos bsow 79.If it is ocean entertainment _you are looking for,come to Chimelong Ocean Kingdom. 如果你想要寻求的是海洋类娱乐，那就来长隆海洋王国吧。 。六式0配比边袋员是关」 80.She gave witness behalf of the accused person置血脉才寇答室去可破意家 她为被告作证。 :1o5g5o9 81. is believed that the beauty of the Li River will be preserved for generations to come. 相信漓江之美将得到保护并世代相传。 第五部分书写(5分) :1939 Due to a big storm,my flight had been delayed by an hour and a half.I touched down in Vienna just30 minutes before the departure of the last bus to Prague.The moment I got off the plane,Iran like crazy through the airport building and jumped into the first taxi on the rank without a second thought 第六部分读后续写（满分25分） 阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文。 In a small town in Michigan,there stood an independent bookstore called Serendipity Booksa beloved gathering place for over twenty years.Children had leamed to read in its cozy mers,srrounded by piles of picture books.Od friends had met there for coffeeand conversation,losing themselves among the shelves on rainy aftemoons.The owner, Michelle. had poured her heart into the store since 2017,working alongside three part-time employeswho felt more like family. Then came the ews.The old building where the bookstore had stood for decades was scheduled for demolition(tomake way for a new development.Michelle had tomove buavailable pe earby wasa maller storefont justa blockway.Thethougof packing,.trasorin,and ora9,100 books was paralyzng(令人瘫痪的) Each ookfer hedmytheom pffavhesid acomrhad rsur for ys.Higmincompaywould cst thous,money sh pyidFork Michelle layakeati,wondering ous the doors forever. She shaed her despar wthafew reuustomersretired teacher whor 同问说负天显定长音座，过年马 Tay,yohugherhd emehroowhow ever moveall these books,.”she sighed(仅s气)，herbking,They nodded ympathetially butco fyll,obrouthe tow.People takedntheorsthe hoopickupvn The movin aycme.Michellhev her heartakotoffaadhope hehaduetin booko tenewlocation,letalonenimetousandShehalfexpectedtospendthedyalone,tboxing and crying.Then she eardfootrstafew,thenohwd.Whenshe turned around,her breath caught in her throat. n99的3o02iI. 1.续写词数应为150左右。 国正料高刻斗来筑派来爱类单击虽馆水导要然州果风 2.请按如下格式在答题卡的相应位置作答：g9u3ssod acomiw ovsg an2.0 Paragraph 1: 。》吉站代的 A human chain of nearly 300 residents lined up from the old bookstore to the new one. 5m0 Paragraph 2: 、代)己许代陪正 When the last book found its place on the new shelf,Michelle stepped forward,holding backtears.3iftoog【a93a0m9rTagrr9o1dtzlaetosmnq0bsd91sd29oim0Ce obeb gnblindogud 390 (代代部)三容黄代暗大锦 文的第宗管一时上卖鸡两官美哥火氏若奥会滨时容内莫鄂动，体林面不资国 9e2ses9oei0ndnt4 qsbri四bco29地，国d 00iit91w的2猫y09190159 bo06g一20d sliedoiM i雅co0e店02 d9bnTg2an0 3n709100nae102为vt800国859e48200i821sa C430o4的im-97如iio,0g92配90h6de6e0aba ylimal oil oom s72动e310b00a90zb0d79trg通imd6随sme9e0T 一r0时cba到sbat8s9如oi(住）的9 oe0iT69为c时s2216 wu1s3 突豪人今9ms西n2kod00Rng西7bgoe市sic a0的i o通0原00bi07g3ws对0is6ie1o0 在nnh9地0g0gn0mgn0为msmn。 心山e地直gb0面阳过班新et品 wiai机ett6ts一gmo2的hg9r0sdtq水的ob svan oob sd