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刘徽是中国古代最杰出的数学家之一,他在中国算术史上最重要的贡献就是注释《九章算术》,刘徽在割圆术中提出的“割之弥细,所失弥少,割之又割以至于不可割,则与圆合体而无所失矣”,体现了无限与有限之间转化的...
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高二下学期数学《》真题及答案
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中国古代数学家对一次同余论的研究有______的独创性和继承性大衍求一术在世界数学史上的崇高地位是不
完全 否定
明确 忽视
绝对 动摇
明显 怀疑
阮元的畴人传为中国古代的280多位科技工作者和数学家作传
筹算应用了大约两千年对中国古代数学的发展功不可没但筹算有个严重缺点就是运算过程不保留元朝数学家朱世杰
形同虚设 束缚
销声匿迹 片面
后继无人 限制
难以为继 约束
西周时的是见于著述的中国古代第一位数学家
刘徽
商高
张衡
祖冲之
中国古代数学家对一次同余论的研究有______的独创性和继承性大衍求一术在世界数学史上的崇高地位是不
完全 否定
明确 忽视
绝对 动摇
明显 怀疑
刘徽是中国古代卓越的数学家之一他在九章算术中提出了割圆术即用内接或外切正多边形逐步逼近圆来近似计算
刘徽是中国古代最杰出的数学家之一他在中国算术史上最重要的贡献就是注释九章算术刘徽在割圆术中提出的割
在欧洲德国数学家奥托在1573年求得圆周率的值在3.1415926和3.1415927之间这比中国古
刘徽
诸葛亮
祖冲之
郦道元
中国古代的数学家曾求出精确到七位有效数字的圆周率3.1415926~3.1415927之间
刘伟
祖冲之
刘徽
秦九韶
西周时的商高是见于著述的中国古代第一位
医学家
数学家
天文学家
农学家
西周时的商高是见于著述的中国古代第一位
医学家
天文学家
数学家
文学家
老子是中国古代最杰出的政治家之一
中国古代数学家对一次同余论的研究有______的独创性和继承性大衍求一术在世界数学史上的崇高地位是不
完全 否定
明确 忽视
绝对 动摇
明显 怀疑
筹算应用了大约两千年对中国古代数学的发展功不可没但筹算有个严重缺点就是运算过程不保留元朝数学家朱世杰
形同虚设 束缚
销声匿迹 片面
后继无人 限制
难以为继 约束
中国古代除了四大发明以外在天文学数学农学和中医学等领域也取得了重大成就下列人物中属于中国古代杰出医学
①⑥
②⑤
③⑧
④⑦
筹算应用了大约两千年对中国古代数学的发展功不可没但筹算有个严重缺点就是运算过程不保留元朝数学家朱世杰
形同虚设;束缚
销声匿迹;片面
后继无人;限制
难以为继;约束
阅读下面语段按要求回答问题中国古代数学家对一次同余论的研究有___________的独创性和继承性大
完全 否定
明确 忽视
绝对 动摇
明显 怀疑
刘徽是中国古代卓越的数学家之一他在九章算术中提出了割圆术即用内接或外切正多边形逐步逼近圆来近似计算圆
我国曾经发行一套纪念中国古代科学家的邮票下图是其中一枚他是我国古代著名的数学家和天文学家他是
张仲景
祖冲之
贾思勰
郦道元
中国古代的数学家取得了举世瞩目的成就下列古代数学家与其成 就对应不正确的一项是
刘徽——割圆术
杨辉——垛积术
李治——天元术
秦九韶——《九章算术》
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假如你是李华.最近美国笔友Peter发来电子邮件说他在汉语学习中遇到了困难感到非常着急.请根据下面的写作提纲给他回复一封电子邮件.内容包括 1同情他的处境2给他提出几点建议3希望他情况好转. 注意1.可以适当增加细节以使行文连贯2.词数100左右. 3.开头和结尾已给出不计入总词数 DearPeter LearningthatyouarehavingahardtimelearningChineseI'mwriting… Sincerelyyours LiHua
WhenIwasthreeyearsoldmyparentsdiscoveredIwastotallydeaf.Afterdiscussingwithdoctorstheymadeadecisiontosendmetoa1school. Iexperiencedgreat2throughoutelementaryschoolbecauseI3withmostofmyschoolworkinorderthatIcouldkeepup.Becauseofmy4IhadtoconstantlyaskeveryoneWhatdidhe/shesay?Classmatesarewarmhearted.5Iworriedthateveryonewouldsoon6repeatingeverythingbacktome.OftenIwasafraidmyclassmateswouldmakefunofmesoI7answeredanyteacher'squestion. Mrs.Jordanmy5thgradeteacherchangedmy8withasimplethreewordphrase.Onemorningsheaskedtheclassaquestion.Ireadherlipsandimmediatelyraisedmyhand.YetIdaren't9it﹣thistimeIknewtheanswer.WhenshecalledonmeIwasnervous.Despitemy10IfeltconfidentbecauseIwas11thatIhadtherightanswer.Itookadeepbreathand12answeredMrs.Jordan'squestion. Iwillnever13whathappenednext.Her14surprisedallofus.Mrs.Jordanenthusiasticallyhitthefloorwithherrightfootandranherrightfingerinafullcircleuntilitpointeddirectlyatme.Withsparkling闪闪发光的eyesandawidesmileshe15THAT'SRIGHTSTEPHEN! ForthefirsttimeinmyyounglifeIwasaninstantstar.Mypride16inmyheart.My17roselikeneverbefore.Asimplethreewordphrasedeliveredwith18enthusiasmhadtotallychangedmyyounglife. Fromthatdaymygrades19dramatically.My20amongmypeersincreasedandmyoutlookonlifedidacompleteturnabout. 1A.boarding B.normal C.special D.medical 2A.gratitude B.discrimination C.anxiety D.indifference 3A.struggled B.dealt C.trembled D.reacted 4A.curiosity B.bravery C.courage D.disability 5A.Therefore B.besides C.However D.Otherwise 6A.gettiredof B.getshyof C.getashamedof D.getskilfulat 7A.briefly B.eagerly C.narrowly D.rarely 8A.belief B.situation C.environment D.decision 9A.deny B.bear C.judge D.believe 10A.fears B.annoyance C.disadvantage D.embarrassment 11A.astonished B.pleased C.convinced D.excited 12A.nervously B.gladly C.simply D.respectfully 13A.meet B.forget C.expect D.doubt 14A.response B.answer C.abuse D.expression 15A.admitted B.nodded C.cried D.explained 16A.disappeared B.continued C.ended D.burst 17A.honesty B.satisfaction C.firmness D.confidence 18A.innocent B.little C.incredible D.natural 19A.improved B.dropped C.influenced D.slid 20A.strength B.popularity C.honor D.appreciation
StephenWiltshireisafamousartist.Hisdrawings﹣oftendrawnfrommemoryandatgreatspeed﹣aresketched素描onthespotatstreetlevel. StephenwhowasborninLondonin1974didn'tsayawordasasmallchildandfoundithardtorelatetootherpeople.AttheageoffiveStephenwassenttoQueensmillSchoolLondonwhereitsoonbecameapparentthathecommunicatedthroughthelanguageofdrawing.Histeachersencouragedhimtospeakbytakingawayhisartmaterialsforashorttimeeventuallyhesaidhisfirstwords﹣paperandpencil﹣butdidn'tlearntospeakfullyuntiltheageofnine. Stephenloveddrawingandhewasseldomtobefoundwithoutpenandpaper.Oncehetookpartinartcompetitionsnewsofhisgreattalentbegantospread.EarlyfansincludedthelatePrimeMinisterEdwardHeathwhoboughthisdrawingofSalisburyCathedralmadewhenStephenwasjusteight. ButStephencametowiderpublicattentionwhentheBBCfeaturedhimintheprogrammeTheFoolishWiseOnesin1987whenhewasintroducedbySirHughCassonapastpresidentoftheRoyalAcademyasthebestchildartistinBritain. AfterthatStephen'sreputationgrewworldwide.AsecondBBCdocumentaryin2001showedStephenflyingoverLondoninahelicopterandlatercompletingadetaileddrawingofLondonwithinthreehourswhichincluded12historiclandmarks地标性建筑and200otherstructures. In2006StephenwasrecognisedforhisservicestotheartworldwhenhewasmadeamemberoftheOrderoftheBritishEmpire.TodaywhereverStephengoespeopleareattractedbyhisoutstandingtalent. 1WhatproblemdidStephenhavewhenhewasasmallchild? A.Noschoolswantedhim. B.Noteacherslikedhim. C.Hecouldn'tspeak. D.Hecouldn'tspell. 2WhendidStephenbecomeworldfamous? A.AfterhissecondBBCdocumentary. B.AftertheprogrammeTheFoolishWiseOnes. C.AfterhemetwiththelatePrimeMinisterEdwardHeath. D.AfterSirHughCassonboughthisdrawingofSalisburyCathedral. 3WhatisspecialaboutStephen'sdrawingofLondon? A.Itwashisgreatestwork. B.Itwasdrawninahelicopter. C.Itfeaturedhistoriclandmarks. D.Itwasfinishedinashorttime. 4Thetextislikelytoappearin. A.anovel B.abiography C.anofficialreport D.ahistorypaper
VisitChicagoChildren'sMuseum Inbrief Thismuseumoffersplentyoffunhands﹣onactivitiesforkids.HoweverthisisoneofthefewChicagomuseumsnotfunforthewholefamilyasadultsandolderkidswillbeboredtotears. Address700EastGrandAve.NavyPierChicago Phone312﹣527﹣1000 Publictransportation CTAbuslines#29StateStreet#65GrandAvenueand#66ChicagoAvenueallserveNavyPier. Parkingfees •MondaythroughThursday﹩20 •FridaythroughSunday﹩24 •Holidays24 Openinghours •Weekdays10am﹣5pm •Weekends10am﹣8pm Entrancefees •Adults﹩12 •Children﹩12 •Seniors65+﹩11 •Childrenunder5free Activities LocatedatoneofChicago'stoptouristattractionsNavyPierthemuseumoffersthreefloorsofactivitiesforkidsincluding •PlayItSafe﹣﹣allabouthomesafety •InventingLab﹣﹣providespartsandinstructionsforcreatingthings •KidsTown﹣﹣aplayroomrecreatingaChicagoneighborhoodwherekidscanpretendtodothingslikeshoppingforgroceriesanddrivingaCTAbus •ClimbingSchooner﹣﹣athree﹣floorclimbingbuilding •MyMuseum﹣﹣kidsgettocreatevariouspiecesofartthatareallaboutme •Skyline﹣﹣kidslearnaboutskyscrapersanddesigntheirownbuildings •TreeHouseTrails﹣﹣aplayareadesignedlikeaforest •Waterways﹣﹣wateractivitiesshowinghowpumpsanddamswork 1HowmuchwillJohn10hisparents40andsister6payiftheydrivetothemuseumat2pmonMonday? A.﹩36. B.﹩48. C.﹩56. D.﹩68. 2Kidswhoarefondofcreatingworksofartshouldchoose. A.PlayItSafe B.InventingLab C.MyMuseum D.Skyline 3IfyougotoKidsTownyoucan. A.goonashorttriptoaforest B.buysomegiftsforyourfriends C.knowmoreaboutpumpsanddams D.experienceChicagoneighborhoodlife 4WhatcanweknowaboutChicagoChildren'sMuseum? A.Itisathree﹣floorbuilding. B.Itisnotfitforadultsorolderkids. C.ItisthemostpopularmuseuminChicago. D.ItisoneofChicago'stoptouristattractions.
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Shewantedtoiherstudentsbyhavingthemlistentothisinstructivespeech.
Iwaselevenyearsoldwhenthefirebrokeoutthatyear.IstoodoutsideinjustmyunderwearwhileIwatchedthe1thatIgrewupinrapidlyburntothe2.AfewminutesearlierIhadbeen3asleepinmynicewarmbedwhena4wokemeup.Mymum'sbedroomwasjustnexttomineandmybrother's.Afirehadbrokenoutthereand5her.WhileIstumbled跌跌撞撞地走aroundinthe6anddarknesssheranfromroomtoroomquicklywakingeveryoneinthehouse.Thehousehoweverwasover50yearsoldandmadeofwood.Beforewecoulddoanythingthefire7it.Weallbarely8outsidebeforethe9engulfed吞没everyroom. Istoodthere10whilethefiredestroyedmybooksclothesandtoys.Iwatched11whilemymumcriedandmyDadswore.I12whatwasgoingtohappentous13wehadlostallofourthings.AsIlookedaroundthoughIrealizedsomethingforthefirsttimeThethingsthat14aren'tthings.Irealizedatthatmomentthatwewereallalive.15thatwasessentialhad16thefire.Wewouldallbearoundtoloveeachotherformanyyearstocome.Andthatwasallthatmattered. Istillthinkofthatfireinthe17thathelpedmetobecomewhoIamtoday.Itshowedmefortheveryfirsttimewhatistruly18inthislife.Ithelpedmetolearnthatthelovewe19isfarmoreimportantthanthethingswe20. 1A.room B.house C.floor D.yard 2A.ground B.field C.ashes D.ruins 3A.loud B.quick C.good D.sound 4A.call B.scream C.voice D.noise 5A.caught B.frightened C.awakened D.denied 6A.smoke B.fire C.light D.noise 7A.spared B.possessed C.consumed D.found 8A.gotit B.madeit C.putit D.triedit 9A.flames B.dust C.silence D.fear 10A.nodding B.watching C.trembling D.staring 11A.curiously B.bravely C.peacefully D.helplessly 12A.wandered B.wondered C.fancied D.amazed 13A.nowthat B.enenif C.asif D.sothat 14A.rely B.mind C.matter D.value 15A.Something B.Everything C.Nothing D.Anything 16A.escaped B.saw C.survived D.passed 17A.afternoon B.day C.morning D.night 18A.basic B.reliable C.useless D.essential 19A.share B.protect C.feed D.remember 20A.apply B.aim C.support D.possess
Geneticengineeringinitsbroadestdefinitionmeanstocontrolaspeciessothataparticulartraitisincreasedinthepopulation.Atraitishowanorganism有机体looksoractsorwhatitdoes.Havingbrowneyesisatrait.Flyingincirclesisatrait.Climbingtreesisatrait. Theearliestformsofgeneticengineeringoccurredonfarms.Peopleselectedseedsfromplantsthathadmorefruitproductionortastierleavesthanotherplantsoftheirtypes.Thentheychosetosavetheseedsfromthebestofthatgrouptosowthenextyear.Soyearbyyearthefarmersproducedbetterandbettercrops.Thistypeofactivityprobablyhasbeengoingonsincemankindfirstsettledinvillagesandbeganmakingalifeforthemselvesinonelocationabout12000yearsago! Thesamesortofthingwouldhavealsohappenedwithanimals.Forexamplepeoplechosetoeattheanimalsthatdidn'thavefavorabletraitsandlettheanimalswiththefavorabletraitsreproduce.Itwasthousandsofyearsbeforemankindfiguredouthowplantsandanimalsreproducethemselves.Withthisknowledgepeoplecouldpollinate授粉plantsbyhandorkeepapairofanimalstogetherinordertodeliberatelycauseanincreaseinafavorabletrait. Itwasonlyinthelast250yearsthatscientistsbeganfiguringoutchromosomes染色体andgenesandtheroletheyplayinthewayonegenerationpassesitstraitsontothenext.Andit'sonlybeeninthelast30yearsthatscientistshavebeenabletocutoutspecificgenesfromoneorganismandputtheminanother.Itisthis30﹣year﹣oldtechnologythatisdescribedbythenarrowdefinitionofgeneticengineering.Mankindhaslongbeenabletohaveadeliberateimpactontheworldaroundhim.Henowpossessesthetoolstodeliberatelyimpacthimself.Somepeopleareafraidofwhatmightbedonewiththatpower. 1Thetextismainlydevelopedby. A.askingquestions B.examiningdifferences C.makingcomparisons D.givingexamples 2Paragraph2mainlytalksabout. A.thespreadofgeneticengineering B.theadvantageofgeneticengineering C.theoriginalapplicationofgeneticengineering D.thepopularityofgeneticengineering 3Theunderlinedwordtheminthelastparagraphrefersto. A.specificgenes B.specialtraits C.chromosomes D.scientists 4Whatcanwelearnaboutgeneticengineeringfromthelastparagraph? A.Ithasahistoryof250yearsbythenarrowdefinitionofgeneticengineering. B.Scientistsdon'tknowhowtomakegooduseofit. C.Peoplehaveamisunderstandingofitinthepast30years. D.Itisbecomingapowerfultoolofmankind.
AlthoughtheUnitedKingdomIrelandCanadaAustraliaandNewZealandhaveEnglishasanofficiallanguagetheUnitedStatesdoesnothaveanofficiallanguage.Thisishowit'spossibletobecomeaUScitizenwithoutspeakingEnglish.CanadaalsohasFrenchasanofficiallanguagethoughitismostlyspokenintheprovinceofQuebec.BecausemanyoftheEnglishspeakerswhooriginallyinhabited居住CanadacamefromtheUSthereislittledifferenceintheAmericanandCanadiandialectsofEnglish.SimilarlyAustralianandNewZealandEnglishhavefewdifferencesexceptAustraliawasoriginallysettledasapenalcolony流放地andNewZealandwasnot.BritishcolonialismhasspreadEnglishallovertheworldanditstillholdsprestige影响力inSouthAfricaIndiaandSingaporeamongothernations.InSouthAfricaEnglishbecameanofficiallanguagealongwithAfrikaansand9Africanlanguagesinthe1996constitution__.Howeveronly3%ofthecountry's30millionpeoplearenativeEnglishspeakers.Twentypercentaredescendants后代ofDutchfarmerswhospeakAfrikaansandtherestarenativeAfricans.IndiabecameindependentfromBritainin1947andtheEnglishlanguagewassupposedtobephasedout淘汰by1965.HowevertodayEnglishandHindiaretheofficiallanguages.IndianEnglishischaracterized具有的特征bytreatingmassnounsascountnounsfrequent频繁的useofthe'isn'tit?'taguseofmorecompoundsandadifferentuseofprepositions.InSingaporeChineseMalayandIndianlanguageshaveanimpact影响ontheformofEnglishspoken.EveryoneistaughtEnglishintheschoolsystembutthereareafewdifferencesfromBritishEnglishaswell.Massnounsaretreatedascountnouns'useto'meansusuallyandnoarticles冠词areusedbeforeoccupations职业.1WhycanpeoplebecomeaUScitizenwithoutspeakingEnglish?A.DifferentlanguagesarespokenintheUS.B.TheUSdoesn'thaveanofficiallanguage.C.Theycanspeaktheirownlanguagethere.D.TheycanlearnEnglishthere.2Compared比较withAustralianEnglishtheEnglishspokenbyNewZealanders.A.isclosertoAmericanEnglishB.isakindofoldEnglishC.isverysimilarinmanywaysD.isdifferentfromBritishEnglish3WhatdoweknowaboutSouthAfrica?A.Ithas11differentofficiallanguages.B.Englishisitsonlyofficiallanguage.C.20percentofitspeoplearenativeEnglishspeakers.D.Englishisbecominglessimportantthere.4Whatcanweinferfromthelastparagraph?A.TheIndiansarepoorwithEnglishgrammar.B.SingaporeanEnglishissimilartoIndianEnglish.C.PeopleinSingaporetendto倾向于misusecountnouns.D.EnglishisarequiredsubjectinSingaporeanschools.
Swimminghelpstogettheblood循环throughourbody.
IfeltagreatsenseofawhenIreachedthetopofthemountain.
AngelGarciaCrespoisacomputerengineeratCarlosIIIUniversityofMadridinSpain.Hisgrouphasinventedanewwayfordeaf﹣blindpeopletowatchTV.Theideaforthetechnologygrewoutofpreviousworkbyhisgroup.Theteamhadalreadyworkedonmakingaudiovisual视听的materialsaccessibletopeoplewitheithervisionorhearingdisabilities.Butthegroupwantedtohelppeoplewithbothchallenges.Sotheyaskedsomedeaf﹣blindpeoplewhatwouldhelp. Inadditiontorelyingontheirsenseoftouchtocommunicatedeaf﹣blindpeoplecanalsogetandsendinformationwithaBrailleline.TheBraillesystemusespatternsofraiseddotstostandforlettersandnumbers.ABraillelineisanelectronicmachinewithachangeableBrailledisplay.Dotsriseupordropdownbasedontheinformationsenttothemachine. NowthenewsystemchangesTVsignalstodataaBraillelinecanuse.Thekeytothesystemisthepossibilityofusingsubtitles字幕tocollectTVinformationGarciaCrespoexplains.Subtitlestravelwiththeimage影像andtheaudioinelectromagneticwaveswedon'tsee.Butanelectronicsystemcankeepthosewaves. Firstacomputerprogramorapppullsoutthesubtitlesandvisualdescriptionsfromthebroadcastsignal.ThesystemthencombinestheinformationandchangesbothintodataforBraille. Nowanotherappgetstoworkwhichsendsthedataouttopeople'sBraillelinesondemand.ThisisdoneinrealtimeinlessthanasecondGarciaCresposays.Thisletsadeaf﹣blindpersonwatchTVasit'sbroadcast.ThesystemwillworkwithvariousBraillelinesaslongasthere'sabluetoothconnectionavailable.NowthesystemisonlyusedinEuropeanditshouldsoonbeavailableintheUS. 1WhatinspiredGarciaCrespo'sgrouptoworkonthenewtechnology? A.Deaf﹣blindpeople'spoorlife. B.Theirpityonthedisabledpeople. C.Thechallengestheyfaceinwork. D.Theirgroup'spreviousresearch. 2WhycantheelectronicsystemcollectTVinformation? A.Itcancombineallkindsofbroadcastsignals. B.Itcankeepthewaveswithsubtitlestraveling. C.ItcanworktogetherwithavarietyofBraillelines. D.Itcanpulloutthesubtitlesandvisualdescriptions. 3Whatdoestheauthorthinkofthefutureofthenewtechnology? A.Challenging. B.Bright. C.Rewarding. D.Hopeless. 4Whatshouldbeasuitabletitleforthetext? A.NewTechnologyIsImprovingDeaf﹣blindPeople'sLife B.ANewBrailleLineIsAppliedtoDisabledPeople'sLife C.ASpanishGroupMakesTVAccessibletoBlindPeople D.NewTechnologyHelpsDeaf﹣blindPeopleWatchTV
OnourwaybackhomefromChristmastoydriveIaskedTommyifhehadanythingtoshare. Idon't1anythingMomheanswered.We'resopoor. Butyou'reneversopoorthatyouhavenothingto2Isaid. ButhowcouldIhelphimunderstand3Imyselfstillcomplainedaboutthe4thingsIcouldn'tafford? Thenextdayoneofmy5handedmeaChristmasgift﹣﹣aboxofchocolates.Shehadbeen6formonths! ThankyouJoannaIsaidtryingtoholdbackthe7asIhuggedher. Ihadn'texpecteda8﹣﹣Iworkatanadulteducationcenterwherewedealwithpeoplewhostrugglefinancially. LookingatmyChristmasgiftIwonderedifithadbeenanofferingoutofa9foodbudgetandIwantedtorefuseit.10IsaidThankyou. WhenIbroughtthecandieshometo11withmyfamilyItoldthemhow12eachchocolatewasifyouthoughtofhowmuchtheunemployedwoman'sfamilymakesayear.Isaidit13understandingmuchbetterYou'reneversopoorthatyouhavenothingtogive. Perhapsthe14Icouldhelpmysonunderstandwasformetounderstandfirst.15Iwenttomybookshelfandchoseseveralofmyfavorite16tosharewiththecenter.WhenIhadthem17Ifoundmysondraggingabasketoftoyshehadplayedwithwhenyounger.Idon'twantthese18thingshesaid. HehadlearnedthewayIhad﹣﹣by19!HereIhadthoughtIwastheteacherbutastudentistheone20meYou'reneversopoorthatyouhavenothingtogive. 1A.need B.have C.hide D.purchase 2A.afford B.appreciate C.expect D.give 3A.but B.until C.when D.though 4A.expensive B.practical C.delicious D.natural 5A.colleagues B.friends C.students D.relatives 6A.outoftouch B.inpower C.incharge D.outofwork 7A.tears B.anger C.curiosity D.desires 8A.gift B.coincidence C.reward D.hug 9A.tight B.perfect C.actual D.wrong 10A.Otherwise B.Instead C.Besides D.Therefore 11A.study B.deal C.experience D.share 12A.nutritious B.precious C.tasty D.inviting 13A.later B.already C.again D.before 14A.opportunity B.time C.way D.importance 15A.Unwillingly B.Immediately C.Curiously D.Frequently 16A.Clothes B.chocolates C.colors D.novels 17A.weighed B.boxed C.stored D.repaired 18A.frightening B.cheap C.dirty D.old 19A.word B.example C.punishment D.praise 20A.remembering B.helping C.teaching D.loving
Wouldyoumindwritingasofthepassage?About200wordsareOK.
Duringthepast10yearsdomesticviolencehascaughtwiderpublicattentionthankstomoreexposureofcasesinthenewsmediaandonline.KimLeetheAmericanwifeofLiYangapopularEnglishteacherandfounderoftheCrazyEnglishpostedphotosofherswellingforeheadandbruisingkneesontheSinaWeibomicro﹣bloggingserviceinAugust.LeeaccusedherhusbandofbeatingherinfrontofoneoftheirchildrenandfiledaappealfordivorceinOctober. Itisestimatedthatabout25percentofChinesewomenhavebeenabusedbytheirhusbandsverballyandphysically.TheAll﹣ChinaWomen'sFederationandtheNationalBureauofStatisticsreleasedthefigureonOct21followinganationalsurveyof105573peopleaged18andover. WiththegrowthoflegalconsciousnessmoreandmorepeopleareawarethatChinahasaspeciallawtoprotectwomen'srightsandinterests.Howevermostofthevictimscouldnotprovetheabuseincourtduringdivorcehearingsbecauseevidenceisdifficulttoproduce.Expertssaidthatthelegalsystemdoesnotprotectthevictimseffectively.Previouslawsandregulationsconcerningdomesticviolencearedifficulttopractice. That'swhyourfederationiscallingforanationallawspeciallydevotedtocontaindomesticviolencetoclarifydefinitionsoftheoffensesidentifyresponsibilitiesofrelevantdepartmentsandensurethepowerofpunishmentofviolators违法人员.saidZhenYanvice﹣presidentoftheAll﹣ChinaWomen'sFederation. InspiteofthehardshipsKimLeemadeafirmstatementinalettershewrotetoLiYangandalsosenttotheAnti﹣DomesticViolenceNetworkofChinaLawSociety Imayfailtobringyoutojusticeandyourfamemayprotectyoufromconsequencesforyourbadactions. Iwillnotfail…inmymissiontohelpmillionsofChinesewomengainthelegalprotectionthattheydeserve.Evenifyoubeatheritisimpossibletodefeatthewomanwhonevergivesup. 1WhatcanwelearnaboutKimLeefromParagraph1? A.ShewasattackedbyherhusbandontheSinaWeibomicro﹣bloggingservice. B.ShepostedherphotosontheInternetinordertopromoteTheCrazyEnglish. C.ShewasbeatenbyherhusbandwhensheproposedadivorceappealonOctober. D.Shecouldn'tacceptthatherhusbandbeatherinoneoftheirchildren'spresence. 2Accordingtothepassagewhydoesthelegalsystemnotprotectthevictimseffectively? A.Becauseitishardtogettheviolatorsofdomesticviolencepunishedincourt. B.Becauseitiscommonandnormalforahusbandtobeathiswifewhennecessary. C.BecauseChinadoesn'thaveaspeciallawtoprotectwomen'srightsandinterests. D.Becausemostwiveslovetheirhusbandtoomuchandcanputupwitheverything. 3AccordingtoZhenYanwecaninferthat. A.ZhenYanbelievesthatwomeninChinawillhaveabrightfuture B.theAll﹣ChinaWomen'sFederationisthelargestwomen'sorganization C.there'snospeciallawdealingwithdomesticviolenceinthepresentlegalsystem D.theirorganizationisexperiencedwiththecasesconcerningdomesticviolence 4AccordingtoKimLee'slettermentionedinthepassagewecanconcludethat. A.KimLeeistryingtoensurethatherhusbandwillbepunishedbylaw. B.LiYangwillnottakehisresponsibilitybecauseheissofamous C.Awomancan'tbedefeatedbydomesticviolencebutbylove D.KimLeeisdeterminedtomakesurewomenarelegallyprotected
InthefourmonthssinceIlastpostedarticlesonmyblogI'vebeenspendingalotoftimestudyingChinese.IwantedtopasstheHSK.FromthebeginningofmyprogramtheHSKwastheendgoalofmyChineselearningthisyear.LuckilyIpasseditandnowIhaveoneandahalfmonthstogohomeandstaywithmyfamily. It'sreallyexcitingtolearnChineseinanenvironmentwhereIcanstudyveryfast.What'smoreIcanseemyownprogressindifferentways.WhenIgothereeightandahalfmonthsagoIonlyknewafewofthe150wordstestedintheHSK1.HoweveruntilnowI'vetakenandpassedthe2500wordHSK5. IrememberatimearoundJanuary.IthoughtmyChinesehadreachedthepointwhereIwascomfortableinmydaytodayconversations.Somyprogresswouldslowdowngreatly.HoweveritturnedoutthatIwastotallywrong.TheconversationsIcanhavenowfarsurpass超过theonesIwashavinginJanuary. TodayIhitalanguagelearninglandmark里程碑thatwasparticularlyexcitingformeIfinishedreadingHarryPotterandtheSorcerer'sStoneinChinese.Itmightnotseemthatexcitingbutitwasformebecauseit'sthefirstfullbookI'vereadinChinese.Andit'sthethirdlanguageI'vereadHarryPotterin.I'mespeciallyproudbecauseIspentaboutsevenmonthsreadingthefirst35pagesbutinthelastmonthandahalfImanagedtoreadabout150pages.MynextchallengeistoreadanovelwrittenbyaChineseauthorratherthanonethatI'vealreadyreadmanytimesinEnglish! HopefullyI'llbeabletokeepupmylanguagelearningprogressoverthenextmonthandahalfbecauseIknowI'llprobablyneverhaveanotheropportunitytolearnalanguagelikethis. Doyouwanttolearnanewlanguage?Ifyoudogotothecountrywherepeoplespeakitandlearnitfromthelocals. 1WhatdoweknowabouttheauthorwhenshefirstcametoChina? A.Shedidn'twanttolearnChinese. B.ShetooktheHSK1immediately. C.ShewasextremelypooratChinese. D.Shejustknew150wordstestedintheHSK1. 2WhydoestheauthorsayshewastotallywronginParagraph3? A.Becauseshedidn'treallyknowhowtolearnChinese. B.BecauseshecouldlearnbetterinaChineseenvironment. C.Becauseshewasuncomfortableinherdaytodayconversations. D.Becauseshemaderapidprogressinherdaytodayconversations. 3WhatdoestheauthorwanttoshowbymentioningreadingHarryPotter? A.Shecouldreadbooksreallyfast. B.It'sgoodtolearnthroughreading. C.ShelearnedtheChineselanguagequickly. D.TheHarryPotterbooksareworthreading. 4Whatdoestheauthor'sChineselearningexperiencemainlytellus? A.Weshouldlearnalanguagethroughtravelling. B.Learningasecondlanguageisreallyimportant. C.TheChineselanguageisnotsodifficulttolearn. D.Thelanguagelearningenvironmentisimportant.
YuanLongpingisoneofthemostfamousscientistsintheworld.He1struggleforthepastfivedecadesfortheChinesefarmers.Hegrows2iscalledsuperhybridrice.Thisspecialstrainofricemakes3possibletoproduceonethirdmoreofthecropinthesamefields.4usehishybridricefarmersareproducingharveststwiceaslargeasbefore. Findingwaystogrowmorericehasbeenhislifegoalsincehegraduatedfromcollegein1953.Atthattimehungerwas5disturbingprobleminmanypartsofthecountryside.Thereforehewantedtohelphismotherlandridofhunger6increasingthericeoutputwithout7expandtheareaofthefieldsandhefinallymadeit. 8agreatscientistheleadsaverysimplelife.Hebelievesthatapersonwithtoomuchmoneyhasmoreratherthan9fewtroubles.Hehasanotherdream10hisricecanbegrownaroundtheglobeandnohungerisintheworld.
假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.文中共有10处语言错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号∧并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词 2.只允许修改10处多者从第11处起不计分. Sharkshadbeenaroundforaverylongtime.Sharksarefishandthereareover400typesofsharksofthatthebiggestisthegreatwhiteshark.Whentheyhavebabiesthebabiesarecallingpups.Sharkslosetheirteethlikehumansandtheydon'tjustlosetheirbabytooth.Theyloseteeththroughouttheirlives.Whenasharklosingatoothatoothfromanotherrowofteethwillmoveintoitsplace.Newteetharealwaysgrowing.Becausemostsharkseatmeatsotheyfeedotheranimals.Sharksmightlookscarybuttheyarenotusuallydangeroustopeople.Peoplearemoredangeroustosharkssincepeoplehuntsharks.Tobesafelythoughitisagoodideatoleavesharksaloneifyouseeit!
DonnaStricklandisaprofessorintheDepartmentofPhysicsandAstronomy.ProfessorStricklandisoneoftherecipients受领者oftheNobelPrizeinPhysics2018withGérardMourouherPhDsupervisoratthetime.TheypublishedthisNobel﹣winningresearchin1985whenStricklandwasaPhDstudentattheUniversityofRochesterinNewYorkstate.Togethertheypavedthewaytowardthemostintenselaserpulsesevercreated. ProfessorDonnaStricklandisonlythethirdwomanevertohavewonaNobelPrizeinphysics.SheandherfellowwinnerswerehonoredforwhattheNobelCommitteecalledground﹣breakinginventionsinlaserphysics.ProfessorStricklanddevisedawaytouselasersasveryprecisedrillingorcuttingtools.Millionsofeyeoperationsareperformedeveryyearwiththesesharpestoflaserbeams. ﹣﹣﹣Howsurprisingdoyouthinkitisthatyou'rethethirdwomantowinthisprize? ﹣﹣﹣Wellthatissurprisingisn'tit?Ithinkthat'sthestoryofMariathatpeoplewanttotalkabout﹣﹣﹣thatwhyshouldittake60years?Therearesomanywomenouttheredoingfantasticresearchsowhydoesittakesolongtogetrecognized? Physicsstillhasoneofthelargestgendergapsinscience.Onerecentstudyconcludedthatatthecurrentratesitwouldbemorethantwocenturiesuntiltherewereequalnumbersofseniormaleandfemaleresearchersinthefield. ThelastwomantowinaphysicsNobelwasGerman﹣bornMariaGoeppert﹣Mayerforherdiscoveriesaboutthenucleiofatoms.BeforethatitwasMarieCuriewhosharedthe1903prizewithherhusbandPierre.Thisyear'swinnershopethatbreakingthishalfcenturyhiatuswillmeanthefocusinfuturewillbeontheresearchratherthanthegenderoftheresearcher. 1Whichofthefollowingbestexplainsground﹣breakingunderlinedinParagraph2? A.active B.talented C.creative D.awesome 2WhatdoweknowaboutProfessorStrickland'sachievement? A.Shecreatedthemostintenselaserpulsesbyherself. B.Sheadvocatedequalitybetweenmanandwomen. C.Shediscoveredthenucleiofatomswithherhusband. D.Sheinventedawayofusinglasersasaccuratecuttingtools. 3WhenwasthesecondNobelPrizeinphysicsawardedtowoman? A.in1963 B.in1985 C.in1903 D.in1958 4Whatcanbeinferredfromthestatementsinparagraph4? A.Woman'sachievementsinphysicsareasgreatasman's. B.Woman'sachievementsinphysicsaremoreandmorefantastic. C.Maria'sdiscoveriesresultedfromherlongtimeresearch. D.Genderdiscriminationstillexistsinthefieldofscienceresearch.
HowCanIFightLaziness? Lazypeoplewillnevergainanythinginlife.Howeverlazinesscanbedefeatedonceafewchangeshavebeenmadeinyourmind. 1Manypeoplelacksleepconstantlysincetheystayuptoolateandgetuptooearlytoprepareforwork.Thesepeoplehavelittlemotivationoncetheyarrivehome.Lazinessworkshandinhandwithalackofmotivationandatendencytoputoffthings.Byadjustingyoursleepscheduletoprovideafewmorehoursofmeaningfulrestyoucanfightlazinessthroughouttheday. Anotherwaytofightlazinessistochangeyourmindfrompassivetoactive.Somepeopletreattheirlivesasiftheywerepushedfromtasktotask.Otherstakeamorepositiveapproachviewingeachtaskasachallengetheymustovercomealone.2 Somepeoplefightlazinessbyremovingthetemptations__thatsurroundthem.AtelevisioninthelivingroommayprovideentertainmentbutwatchingtoomuchTVoftencontributestolaziness.3Completeafewtasksandrewardyourselfwithwhatyouenjoysuchasagooddinnerorafilm. Lazinesscanalsobealastingproblemathome.Couplesandchildrenmayallhavedifferentenergylevelsbutlazinesscanbespreadifnotdealtwithimmediately.4Bethefirsttocollectandwashdishesafterameal.Othersinthehomemayeventuallyfollowyourexampleandperformtheirowntask.Itisdifficulttopracticelazinesswhenyouaresurroundedbymotivatedpeople. 5Enoughexerciseandabalanceddietcanhelpyoutodevelopahealthylifestylethusenablingyoutohavemoreenergyandhelpliftyourspirits. A.Tofightfamilylazinesssetanexample. B.Knowinghowtofightlazinessisimportant. C.Onewaytofightlazinessistogetenoughsleep. D.Finallytakingexerciseregularlycanhelpyoufightlaziness. E.Withstrongdeterminationyouwillbeabletoachieveyourgoal. F.Lazinessappearswhenyounolongerfeelinchargeofyourownmind. G.Createarewardsystemforyourselfjustasparentsdoforachild.
MakingShortVideos Apictureisworthathousandwordsorsotheysay.Wellmotion运动picturescancontainevenmorememories.1Herearesomeappsyoucanusetomakeyourownshortvideos. Qupeiyin.cn RecitinglinesfrommoviesisaneffectiveandclassicwaytolearnEnglish.Sowhatifyoucoulddub配音recordingsaccompaniedbymovieclips剪辑andthensharethemwithfriends?2Younameit.Bycontributingyourvoiceyoucaneithermimic模仿theoriginalsoundtrackorcreatesomethingcompletelynewofyourown. Shorts 3WiththehelpoftheShortsappyoucanmakepicturesinyouralbumintoaslideshow.Choosefromanyoftheoff﹣the﹣shelfthemes﹣﹣﹣holidaytravelfriendshipandpartyforexample﹣eachmatchedwithitsownthememusicandslidebackground.Butifyou'renotsatisfiedwiththecombinationsfeelfreetodoalittlechangebyaddingtexttothepicturesorreplacingthemusicwithsomethinginyourownplaylist. VivaVideo Videomakingandeditingonceseemedawfullyhard.4Butthisappwilleaseyouintothefieldwithstraight﹣forwardfunctionsandcleardirectiontohelpyoucreateyourownvideostory.Apartfromfilterstickersandtextthecoolestpartofthisappisthatyoucanwritethenarrativesyourselfandaddyourownvoicetothevideo.5VivaVideorequiresarelativelypowerfulphonetorunsmoothly. A.Buthereisalittlereminder. B.That'swhyshortvideosarebecomingpopular. C.Theseappshaveavarietyofidentifications识别. D.ThisapphasmoviescartoonslecturesTVseries. E.Newbies网络新手andamateursdidn'tdaretoevengiveitatry. F.Videosandpicturesaren'tonlyforseparatepurposes. G.VideomakingandeditingiswhatApplefanswanttotry.
假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.作文中共有10处语言错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号∧并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词 2.只允许修改10处多者从第11处起不计分. Ialwayswantedtobegreatscientist.Ihadthesedreamsofdiscoveringanewdrugthatwouldsavethelifeofhundredsofpeople.UnfortunateIwasneververygoodatchemistryatschoolandtheteacherusedtogettingveryangrywithme.AfterawhileIdecidedIwouldbecomeaninventoranddesignedanonlyproductwhichwouldbecomeahouseholdname.Myparentswerequiteencouragedbuttoldmetobealittlemorerealistic.AfewweekslateIhadacleverideaforapenthatwouldwritewithupsidedown.Tomydisappointmentafriendofmepointedoutitwasnotanewdiscovery.
Anoutbreakoffireoranaccidentisan突发事件.
Chineseproverbsarerichandtheyarestillwidelyused1Chinesepeople'sdailylife.Behindtheseproverbsthereareofteninteresting2story.Forexampletheproverbpluckingupacroptohelpitgrowis3baseonthefollowingstory. Itissaid4ashort﹣temperedmaninthestateofSongwasveryanxious5helphisricecropsgrowupquickly.Hewasthinkingaboutitdayandnight.Butthecropsweregrowingmuchslowerthanheexpected. Onedayhecameupwithanideathathewouldpluckupallof6hecropsafewinches.Hedidsothenextday. Hewasverytiredafterfinishingdoingthisforawholeday7hefeltveryhappysincethecropsdidgrow8high. Hissonheardaboutthisandwenttoseethecrops.9unfortunatetheleavesofthecropsbegantowither枯萎. Thisproverbtellsusthatweshouldletthingsgointheirnaturalcourse.Beinganxioustohelpaneventdevelopoften10resultinthecontrarytoourintention.
There'sagoodchancesomethingyou'veboughtonlinehasbeeninthehandsofapickerfirst.Thesearetheworkersinwarehouses仓库whopickpackandshipallthosethingswe'reordering. AtAmazonandothercompaniesthey'reworkingsidebysidewithrobots.Expertssaywhiletherobotsarereplacingsomehumanworkersthemachinesaren'tquitereadytotakeovercompletely. Whenarobotfindsitsstorageunititslidesunderneathliftsitupandthendeliversittoaworker一they'recalledpickers.Onarecentdaythecomputertoldapickertograbwhatlookedlikeafantasyboard棋盘game.Thepickerfounditcanneditandplaceditontheconveyorbelt. Inatraditionalfulfillmentcenterwheretheassociatewouldwalktothedifferentitemsitcantakehourstofulfillacustomerorder.Robinsonsays. Nowwiththehelpofrobotsthattasktakesminutes一andfewerhumans. Soisthisasignwe'reenteringanewindustrialrevolution? It'sdefinitelygoingtotakeoveralotofjobs.saysKarenMyersascientistatSRIoneofSiliconValley'soldestresearchcenters. Atthesametimeshesayswe'rerunningagainstthelimitsoftechnology.TakethepickerattheAmazonfulfillmentcenter.Myerssaysthoseskillsareprovingtobeuniquelyhuman. Ourfingersareincrediblyflexibleandthecurrentgenerationofroboticoperatorsthey'regettingmuchmuchbettershesays.Butthey'rejustnotquitethereyet. There'salsotherobot'sbrain. RememberthatboardgametheAmazonworkerwaslookingfor?Shecouldbarelyseetheboxfilledintothestoragebin﹣butshecouldtellitwasaboardgame.Robotscan'tdothat. Technologistssaythatincreasinglyhumanswillworksidebysidewithrobots﹣insteadofrobotsworkingalone. AmazonsaysrobotsandhumansenabledtheTracywarehousetofulfillcustomerordersfaster.Thatmeansmorecustomersandmorehumanworkers. 1Apickerdoessometasksexcept. A.pickinggoods B.producinggoods C.spottinggoods D.packinggoods 2Withthehelpofrobotssometasksare. A.moreefficient B.lessstraight C.moredifficult D.lessprofitable 3Comparedwithrobotshumansaremore. A.powerful B.artificial C.flexible D.energetic 4Whatisthebesttitleforthetext? A.Robotsreplacinghumanscompletely. B.Theadvantagesofshoppingonline. C.Thefutureofrobots. D.Robotsandhumansworkingsidebyside.
假定英语课上老师要求同桌之间交换修改作文请你修改同桌写的以下作文.文中共有10处语言错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号∧并在其下面写出该加的词. 删减把多余的词用斜线\划掉. 修改在错词下面划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词 2.只允许修改10处多者从第11处起不计分. WhenIwasveryyoungmyparentsteachmethevalueofwritingthank﹣younotes.WhenevertheyaskedmetoIwouldrollmyeyesandwriteitafterbirthdaysandsomefestivalsunwilling.OnlyaftermygrandmotherpassedawayIrealizetheirimpact.MymomandIhadthetaskofcleanmygrandmother'shouse.IopenedadrawerinherbedsidetablewhichIfoundabeautifulwoodenbox.IopeneditbutwasshockedtoseeeverycardIhadeverwrittentoher.Theimpactofamomentstayedwithmeallmylife.WhenIhadchildrentheylearnedfromthevalueofwritingthank﹣younotesandstilldosoevenasgrownadult.
Howoftendoyouexercise?Anewstudyfoundthatmostkidsaged12to15weren'tgettingenoughphysicalactivity.Theresultswerebasedonabout800kids.Aspartofthestudythekidstrackedandreportedontheirownactivitylevelsandtookphysicalexams. U.S.fitnessguidelinessuggestanhourormoreofphysicalactivityeveryday.Accordingtothestudyonly1in4U.S.kidsgetenoughphysicalactivity. It'scertainlyworryingtoseethatourkidshavesuchalimitedamountofphysicalactivityeachdaysaidDr.StephenPont.Heisanexpertonchildren'shealth. Fewkidsinthestudymettheguidelinesonphysicalactivitythatraisestheheartrateandmakespeoplebreatheharder.Overallabout25%saidtheygotanhourofthatkindofexerciseeveryday.Kidsalsoreportedonwhichactivitiestheydidmostoftenoutsideofschoolgymclass﹣﹣basketballforboysandrunningforgirls. Thestudyfoundthatfatteenagerswerelessactivethannormal﹣weightgirlsandboys.Fatgirlswereslightlylessactivethannormal﹣weightgirlsbutlevelsweresimilaramongoverweightandnormal﹣weightboys.Thestudyalsosaidthatthepercentoffatchildrenaged2to19was17%orabout12.5millionkids. There'salwaysroomforimprovementsaidTalaFakhouriwhowastheleaderofthestudy.ShealsosaidtheresultsprovideusefulinformationtohelpwithfitnesscampaignssuchasLet'sMovewhichwasinitiatedbyMichelleObamain2010.ToinspirekidstoeatrightandgetinshapeMichellevisitsschoolsandholdsexerciseevents.Shealsocallsonschoolstoofferregulargymclasses. Thestudyalsofoundkidswhogetphysicaleducationatschoolmaygetbettergrades. 1Whatistheresultofthenewstudy? A.800kidsdon'tgetenoughphysicalactivity. B.MostU.S.kidsdon'tgetenoughexercise. C.Kidsshouldgetphysicalactivityeveryday. D.It'simportanttotakephysicalexams. 2Whichofthefollowingsportsdogirlslikebest? A.Swimming. B.Basketball. C.Running. D.Gym. 3What'sthepurposeofthecampaignLet'sMove? A.Tohelpkidstokeepfit. B.Toprovideusefulinformation. C.Toofferregulargymclasses. D.Toholdexerciseevents. 4Accordingtothestudychildrenwithenoughexercisemay. A.belessactivethanfatchildren B.bemorewillingtohelpothers C.dobetterintheirstudies D.trytheirbesttogetinshape
假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.文中共有10处语言错误每句中最多有两处.错误涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号∧并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词2.只允许修改10处多者从第11处起不计分. DisappointingattheresultoftheexaminationIsatonthesofainsilentafterschool.MyfatherhefoundIwassounhappycometoaskmewhy.Afterlearningthereasonmyfathergavemeasmile.HesaidDon'tallowtheterriblythingsinyourlifetodiscountthepositiveones.Don'tletabaddayormonthoryeartomakeyoufeellikeyouhaveabadlifeinsteadfocusingoneverythingthat'sgoingwrongstartholdingontoallofthethingsthatisgoingright.You'llfeelbettersoon.HeardwhatmyfathersaidIfeltittheshametoactlikethatanddecidedtocheermyselfup.
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高三上学期物理
高三上学期生物
高三上学期化学
高二下学期化学
高二下学期生物
高三下学期生物
高三下学期化学
高三上学期英语
高二下学期英语
教案备课库
高三下学期英语
教案备课库
教案备课库