北京市2026年九年级上学期期末英语试题八套附答案

九年级上学期期末英语试题一、从下面各题所给的A、B、C、D四个选项中，选择可以填入空白处的最佳选项。1．MyfavoriteinventorisXuan. storiesinspiremetofollowmydream.A．His C．My D．TheirusuallypracticespeakingEnglishwithmyfriends Tuesdayevening.A．to B．on C．in D．at—Look!Linlin withanAIrobotoverthere.—Cool!Let'sgoandjointhem.chats B．chatted C．ischatting D．waschattingPeterisinterestedinpainting, hewantstojointheArtClub.or B．so C．but D．forThenovelMobyDick bymoreandmorebookloversnowadays.read B．reads C．isread D．wasread—Doyouknow thespacestation?—OnOctober30,2024.whentheShenzhou-19astronautsenteredwhendidtheShenzhou-19astronautsenterwhentheShenzhou-19astronautswillenterwhenwilltheShenzhou-19astronautsenter阅读下面的短文，用括号中所给单词的正确形式填入空白处，补全文章。Inventionsareimportant.Sinceancienttimes,Chineseinventions7． (play)animportantroleinpushinghumancivilization(文明)forward.ManypeoplearoundtheworldhaveheardaboutandevenbenefitedfromearlyChinese8． (discovery)inmedicineandengineering.Instudyingtheseinventionsandtechnology,peoplecan9． (journey)throughtimetouncoverthesewonderfulcreations'origins(起)importance,andlong-lastinginfluence,whichcansupportthefuturedevelopment.二、完形填空（每题1分，共8分）阅读下面的短文，掌握其大意，然后从短文后各题所给的A、B、C、D四个选项中，选择最佳选项。Howmanytimeswouldyoukeeptrying,evenifyoufailedagainandagain?JoseHernandezkepttrying12timesover12yearsuntilhefinallyrealizedhisdreamofbecominganastronaut.HernandezwasborninMexico.Helivedadifficultlifewhenhewasyoung.Asthesonofamigrant(移的)farmer,hehadtoworkondifferentfarmstomakealiving.Hetraveledwithhisparentsand 10． thempickvegetables,followingthegrowingseasonsfromMexicotothefarmlandsofCaliforniainthesouthwesternUnitedStates.Asaresult,hefacedinlearningEnglish.Buthefoundbalanceinothersubjects,especiallyinmathandscience,becausetwoplusthreeisfiveinanylanguage.Sohebecameinterestedinengineeringwhenhewasreallyyoung,12．byhislovefornumbersandlogic.Then,attheageofnine,whenhewatchedTVandsawtheastronautwalkonthemoon'ssurfaceintheApollolunarmission,hehadhisrealdreamofbecominganastronaut.Whenhesharedhis13．dreamwithhisparents,theysathimdownatthekitchentableandtoldhimsomekeystosuccess:acleargoal,anunderstandingofthestepstogetfromwhereyouaretowhereyouwanttobe,hardwork,educationandmostheart.theirsupport,Hernandezworked14．toachievehisdream,evenforgettingtohaverests.later,hegraduatedwithadegreeinElectricalEngineeringandlaterearnedahigherdegreeinElectricalandComputerEngineering.Hernandez'seducationalcareerfinally15．someoftherequirementstobecomeanastronaut.Sohesenthisfirstapplication申请toNASAThenhestarted16．onerejection()letteraftertheother,timesintotal.Buthenevergaveup.Helookedattheskillsthattheselected(选定的)astronautshadandthathedidn't.Helearnedtoflyanddive,developingtheskillshewasshortof.in2004,his17．paidoff.HewasselectedasanastronautbyNASA.Afteryearsoftraining,Hernandez'sdreamcametruewhenheflewontheSpaceShuttleDiscoveryin2009.Justashesaid,"Everythingispossibleinlifewhenyouarewillingtoworkhard,plan,andnotgiveup."10．A．letB．hadC．helpedD．heard11．A．responsibilitiesB．competitionsC．challengesD．possibilities12．A．forcedB．inspiredC．remindedD．awarded13．A．hard-wonB．widespreadC．well-knownD．newfound14．A．proudlyB．slowlyC．tirelesslyD．speechlessly15．A．statedB．setC．updatedD．met16．A．copyingB．receivingC．signingD．writing17．A．efforts三、信息匹配。B．educationC．promiseD．habits20Famous20thCenturyWritersAJ.R.R.TolkienJ.R.R.TolkienwasborninSouthAfrica.Manypeoplearefamiliarwithhisfamousfantasyandsciencefictionworks.HeisbestknownasthewriterofTheLordoftheRingsandTheHobbit.BDr.SeussSeuss,anAmericancartoonist,isknownforwritingstorybooksthathavealotofrhymesinthem,makingthemeasyforkidstolearn.TheCatintheHatandGreenEggsandHamarehisfamousworks.CLuXunLuXun,oneofChina'sgreatestmodernwriters,isknownforhissharpessays(散文)onthehistoricaltraditionsofChina.HealsowrotemanymeaningfulstoriessuchasDiaryofaMadmanandKongYiji.DCaoYuCaoYuisawell-knownChineseplaywright(剧作家)andapioneerinmodernChinesedrama.HisclassicplaysThunderstormandTheFamilyopenedatBeijingPeople'sArtTheatrein1954.1.18． Mylittlebrotheris9yearsold.Helikestoreadeasyandinterestingstories.Iconsiderbuyingsomebooksforhim.2.19． Mysisterisfullofimagination.Sheiscrazyaboutscienceandwantstoexploretheunknownworld.Iwanttointroducesomebookstoher.3.20． Mycousinisinterestedindramas.Sheenjoyswatchingplaysinthetheatre.I'dliketosuggestsomeplaysforher.四、BMaxlovedplayingwithhisfriends.Oneday,hismothersenthimtohisfriendEmma'shouse.Hewassoexcited.Whenhearrived,heranoffwithEmmatoplaywiththetoys.Afterplayingforawhile,Emmawenttobringsomesnacks,andwhileshewasaway,Maxaccidentallybrokeherfavouritetoy,abeautifuldoll.Maxbecamescared.Hedidn'twanttoupsethisfriendnordidhewanttogetintotrouble,sohequicklyhiditunderthebedwherehewascertainthatnoonewouldfindit.Emmareturnedwithabasketfullofsnacksforthem.Theyatetogether,butMaxwastoonervoustoenjoy.Suddenly,Emmarealizedthatshecouldnotseeherdollanywhere.Shewasveryupsetandsearchedeverywhereforherbelovedtoy.Maxpretendedhedidn'tknowwhathappenedtothedoll.Hefeltlikeitwasonfireinside.Butbeforehecouldsayanything,hismothercametogethim.Thatnight,Maxfeltterribleaboutkeepingthesecretandhecouldn'tsleep.HekeptthinkingaboutthebrokendollandEmma'ssadface.Finally,hedecidedtotellEmmathetruth.Thenextmorning,hetoldhismotherfirstandthentheydrovetoEmma'shouse.NervousasMaxwas,hetookadeepbreath.Whatcameoutinashakingvoicewas,"Emma,Ihaves—somethingtotellyou.I'msosorry,butIaccidentallyb—brokeyourdoll."MaxtoldEmmaeverything.Shewashurtandthensurprised,butalsorelievedtofinallyknowwhathappened.Theygluedthedollbacktogether.Althoughitwasn'tperfectlikebefore,Emmawashappytohavehertoyback.WhenMaxleftEmma'shome,hefeltahugeweighthadbeenliftedoff.Herealizedthateventhoughadmitting(释然的)mistakesishard,tellingthetruthisthebestchoice.WhydidMaxhidethebrokendollunderthebed?HewantedtomakeEmmaHewantedtoplayajokeonEmma.Hedidn'twanttohavefunwithit.Hedidn'twanttogetintotrouble.HowdidMaxfeelbeforehetoldEmmathetruth?Nervous. B．Excited. C．Hurt. D．Relieved.WhathasMaxlearnedfromhisexperience?It'sdifficulttobuildtrust. B．It'snormaltohavesomesecrets.C．It'simportanttobehonest. D．It'spleasanttomakenewfriends.五、CJustlikeourbodiesproducewasteeveryourbrainsalsoproduceharmfulwasteproteinsThebodycanbewashedbutwhataboutthebrain?A2013studymightgettheResearchersattheUniversityofRochesterintheUSstudiedthebrainsofmiceanddiscoveredthattheycleanedthemselveswhilethemiceweresleeping.Thecerebrospinalfluid(CSF)(脑脊液)inthebrainwasfoundtoincreasenoticeablyduringsleep,washingawaywasteproteinsthathadbeenbuildingupbetweenbraincellsduringwakinghours.Thisstudyshowedthatthebrainworkeddifferentlywhenasleepandwhenawake.Thismayalsoexplainwhywecan'tseemtothinkclearlyafterasleeplessnight,whileagoodnight'ssleepleavesusfeelingsharpandrefreshed.Anotherstudy,publishedonOct31,2019inScience,dugalittledeeperintoourbrains'self-cleaningprocess.Thistime,humansweretestedinsteadofmice.ResearchersatBostonUniversityintheUSobservedthebrainwavesof13healthyadultswhiletheyweresleeping.Theyfoundthatevery20seconds,bloodflewoutofthebrain,makingroomforalargeamountofCSFtocomeinand"clean".Thisprocesswasrelatedtothechangeinthebrain'sslowwaves—anelectricalactivitythathappenswhenweareindeepsleep.Althoughtheywerestillunsureabouthowthesebrainactivitieswereconnected,itwasexcitingenoughtofindthattheywereconnected.Itallowedscientiststopiecetogetherpossiblenewexplanationsformisunderstooddiseases.Forexample,slow-wavesleephasbeenproventoplayaroleinstrengtheningourmemories.ThismayexplainwhypeoplewithAlzheimer'sdisease(阿尔茨海默病),whosememoriesaredisordered,oftenhavefewerandweakerslowbrainwaves.Basedonthe2019studyaboutCSF,therecouldbeonemoreexplanationforAlzheimer's:Thediseasedbrainsarenotclean.Maybethemostimportanttake-homemessageofthefindingsisthatsleepisaseriousthing.Wereallyneedtosleepwelltokeepahealthybrain.Whatdidthe2013studyfind?Whythebrainworkedbetterwhenasleep.Howthebraingotself-cleanedwhenasleep.Howthebrainproducedwastewhenawake.Whythebrainbuiltupproteinswhenawake.Whatcanwelearnaboutthecerebrospinalfluid(CSF)fromthepassage?A．TheCSF—slowwaveconnectioninspiresnewideasforbraindisorders.B．Alzheimer'scanbecuredwithmoreCSFinthediseasedbrain.C．ThereasonswhyCSFisconnectedwithslowwavesareclear.D．TheCSFcomesinourbrainwithbloodwhenpeoplesleep.26．Whichofthefollowingwouldbethebesttitleforthepassage?ClearMindtoImproveSleepSlowBrainforaBetterSleepShowerBraininaSoundSleepStrengthenMemoryinaDeepSleep六、DDoyouknowtheweightof30,000adultAsianelephants?It'sabout150,000tons.That'showmuchland—basedplastictrashisproducedbyhumansacrosstheglobewithinasinglehour,10timestheamountacenturyago,accordingtoBankresearchers.Yetthereareagrowingnumberofyoungpeople,whoseyearlytrashoutputcanbesmallenoughtofitinsideaneight—ouncemasonjar.Actually,they'releadingazero—wastelifestyle,awayoflivingthataimstoreducetrashproductiontoasclosetozeroaspossible.Theysayitsavesthemmoneyandtimeandenrichestheirlives.KathrynKelloggisoneofthem."Wesavedabout$5,000ayearbyshoppingforfreshfoodinsteadofpackagedfood,buyingwholesale,andmakingourowncleanersandshoppingbags,"saysKellogg,wholiveswithherhusbandinasmallhouseinVallejo,California.Kelloggsharesthedetailsoftheirefforts,alongwithpracticaltipsandencouragementonherbloggoingzerowaste.com,forotherslookingtoazero—wastelifestyle."There'safearofbeingleftoutwhenyoutrytodothingsKelloggsays."Butit'snotabigchangetocleanupthedustwithaclothtowelinsteadofapapertowel.""Ithinkmanypeoplearereadytocuttheirwaste,"saysKellogg.However,shedoesn'twantthemtofixate(痴迷于)ontryingtoputalltheirtrashintoaZero—wasteisreallyabouttryingtominimize(最小化)yourtrashandmakingbetterchoicesinyourlife,"shesays."Justdothebestyoucan."Kelloggsuggestsmanypracticesthatwerecommonbeforethetimesofplasticsanddisposable(一次性的)products.Thinkclothnapkinsandhandkerchiefs,vinegar(醋)andwaterforcleaning,glassmealboxesforleft—overs,clothshoppingbags.These,andsimilarold—schoolsolutions,producenowasteandarecheaperinthelongrun."Goingzero—wastemeansquestioningwhat'snormalandthinkingoutsidethebox,"Kelloggsays.Asoneexample,shementionsthatshelovespancakesbuthatesmakingthem.Asazero—wasteblogger,sherefusedtobuypackagedonesatfoodshops.Finally,shehitonthesolution:buyadozenoffresh—madeonesfromalocalMexicanrestaurant.TherestaurantwasevenhappytoputthepancakesinKellogg'sreusablemealboxbecauseitsavesthemmoney.Livingazero—wastelifestyleisajourney,itdoesn'thappenovernight.Butit'sworththeeffort.Let'smovetowardszerowastewithsmallsteps.WhydoesthewriterusetheexampleofelephantsinParagraph1?stresstheimportanceroduceawayofrecyclingtrash.showthelargeamountofplastictrash.describearesultofwastemanagement.WhichofthefollowingwouldKelloggmostprobablyagreewith?buyachocolategiftboxforfriends.cleanupthedustwithapapertowel.keepasmuchtrashaspossibleinastoretheleft—oversinaglasslunchbox.Whatdoestheunderlinedword"practices"inParagraph6mostprobablymean?ofmakingcommonproductsMethodsofminimizingdailywaste.Actionsofbuyingsuppliesatlowercost.D．Processesofcollectingold—schoolthings.Whatisthewriter'smainpurposeinwritingthispassage?callfortheactionsoftakingonazero—paresomepracticaltipsonazero—wastelifestyle.discussthebenefitsofadoptingazero—wastelifestyle.pointoutthepopularityoflivingazero—wastelifestyle.七、阅读表达（第31—33题每题2分，第34题4分，共10分）阅读短文，根据短文内容回答问题。Imaginewatchingamovieinaforeignlanguageorattendingalecturewherethespeakertalksfast,thesubtitles(字幕)appeardirectlyonyourglasses.Isn'tthatamazing?Recently,anordinaryyet"magical"pairofglasses—theARSmartGlasses—hashitthemarket,whichgoesfarbeyondregulartranslationtoolsbyofferinghands—free,screen—free,real—timeinteractivetranslation.TheARSmartGlassesarelightweightandcomfortabletowear.Theylookjustlikeregularglasses,butthe"magic"hiddenwithinthemcan'tbeignored(忽视).Thecoolestfeature(特色)oftheARSmartGlassesistheirspecialtranslator.Whenpeopletalkwithsomeone,theycanjustpointtheglasses'cameraatthepersonthey'retalkingto,andthetranslationappearsonthescreen.WhenpeoplevisitanewcitywearingARSmartGlasses,theycansimplylookatanytext,andatranslationquicklyappearsintheirview.Iftheygetlostandneeddirections,theglassescanconnectwithGPSappsandshowthemtranslateddirectionsrightinfrontoftheireyes.Evenforlanguagelearners,itwouldbewonderfultopracticeanewlanguagebyseeingthewordstheyhearbeingtranslatedsimultaneously(同步地)Learningalanguagecanbecomequicker,easier,andmorecertain.SincetranslationtoolsliketheARSmartGlasseshelppeopleunderstandwordssomepeoplestarttoquestionwhetherit'sstillnecessarytolearnEnglish,oranyotherforeignlanguages.Infact,knowinganewlanguageismorethanjustthat.Whenyouspeakalanguageyouunderstandthewaypeopletalk,thejokestheymake,andthespecialmeaningsbehindtheirwords.Thishelpsyouconnectwithpeoplebetterandmakerealfriends.Also,beingabletospeakmorethanonelanguagemakesyousmarter.IthelpsyouthinkinnewwaysandsolveproblemsmoreInaword,learningalanguageisn'tjustaboutunderstandingwords.Moreit'saboutrealconnectionswithnativespeakersandadifferentpointofviewtoseetheworld.So,eventhoughARSmartGlassesandothercooltoolscanhelpwithtranslations,therealjoyandbenefitsofknowingalanguagecomefromspeakingitfluentlyandunderstandingitsculture.WhatisthecoolestfeatureoftheARSmartGlasses?HowcantheARSmartGlasseshelppeoplewhogetlost?Accordingtothewriter,whatismoreimportantaboutlearningalanguage?DoyouthinktheARSmartGlassesareusefulforyourEnglishlearning?Whyorwhynot?Pleasegivetworeasons.八、题目①Peter提示词语：history,performance,culture,educational,enrich内容提示：●Wheredidyougoforyourschooltour?Whatdidyoudothere?Whathaveyoulearnedfromit?DearPeter,Howisitgoing?九、题目②

Yours,LiHua"GuidingStar"/提示词语：kind,brave,support,encourage,habit内容提示：●Whoisyourguidingstar?Howdoeshe/sheinfluenceyou?Pleasedescribeyourgrowth.Aguidingstaralwaysshinesbrightlythroughoutourlife.答案【答案】A【答案】B【答案】C【答案】B【答案】C【答案】A【答案】7．haveplayed；8．discoveries；9．journey【答案】10．C；11．C；12．B；13．D；14．C；15．D；16．B；17．A【答案】18．B；19．A；20．D【答案】22．A23．C【答案】25．A26．C【答案】28．D29．B30．A【答案】31．Itsspecialtranslator.TheARSmartGlassescanconnectwithGPSappsandshowthetranslateddirectionsrightinfrontofpeople'seyeswhentheygetlost./Ifpeoplegetlostandneeddirections,theARSmartGlassescanconnectwithGPSappsandshowthemtranslateddirectionsrightinfrontoftheireyes.Speakingitfluentlyandunderstandingitsculture.Ithinktheyareuseful.Reason1:TheycanhelpmeunderstandEnglishtextsandconversationsmoreeasilywhenI'mwatchingEnglishmoviesorTVshows,whichcanimprovemylisteningandreadingcomprehensionskills.Reason2:WhenI'minanEnglish-speakingtheycanhelpmecommunicatewithlocalsmorewhichcanenhancemyoralEnglishskillsandconfidenceinusingthelanguage.【答案】DearPeter,Howisitgoing?LastFriday,ourschoolorganizedaone-daysocialpracticeactivitytothelocalhistorymuseum.Weleftschoolearlyinthemorningandtookabustothemuseum.Uponarrival,wehadaguidedtourwherewelearnedaboutvarioushistoricaleventsandinfluentialfigures.Intheafternoon,wewatchedalivehistoricalperformance.Thisexperiencewasbotheducationalandenriching.Igainedadeeperunderstandingofourlocalhistoryandculture,whichbroadenedmyperspectiveandappreciationforourheritage.Itwasanunforgettableandvaluableexperience.【答案】：

Yours,LiHuaAguidingstaralwaysshinesbrightlythroughoutourlife.MyguidingstarismyEnglishteacher,Mr.Smith.Smithisakindandbraveman.HeisalwayspatientandhelpfulwhenIhavedifficultiesinEnglish.Heoftenencouragesmetobeconfidentandnevergivesup.HissupporthasbeenagreatmotivationformetokeepimprovingmyEnglish.Underhisguidance,Ihavedevelopedmanygoodhabits.IreadEnglisharticleseveryday,listentoEnglishsongs,andpracticespeakingEnglishwithmyclassmates.IhavemadegreatprogressinEnglishandbecomemoreconfidentinexpressingmyself.Mr.Smith'skindness,bravery,supportandencouragementwillalwaysinspiremetopursuemydreamsandkeepgrowing.HeismyguidingstarandIwillalwaysrememberhisteachingsandfollowhisexample.九年级上学期期末英语试题一、从下面各题所给的A、B、C、D四个选项中，选择可以填入空白处的最佳选项。MyfatherisareadsEnglishmedicalmagazineseveryHe B．She C．They Mikeoftengoestomountainstocollectdifferentstones Sundays.for B．in C．on D．at—Hi,Bob, youswim?—Yes,Ican.ButI'mnotgoodatswimming.must B．can C．may D．couldThisterm,theinter-classbreakis thanbeforeforstudentsinBeijing.long B．longer C．longest D．thelongest—Hi,wasyoursocialpracticeyesterday?—Wow,itwasfantastic.What B．When C．How D．WhereMarywasill, shestilltookthemathexamyesterday.and B．but C．so D．orEveryyear,millionsoftravelers Beijinghutongtoexperiencelocalculture.isit B．visits C．vsited D．isvisitingNextmyclassmatesandI theamazingperformanceattheschoolhall.enjoys B．enjoyed C．isenjoying D．willenjoyMike,whatwereyoudoingwhenitrainedyesterday?—I intheread B．reads C．willread D．wasreading toplaytheErhufortenyearsandnowI'mcrazyaboutit.A．learn B．learned C．havelearned D．waslearningShanhaijing,alsoknownastheClassicofMountainsandSeas, over2,000yearsago.A．write B．wrote C．iswritten D．waswritten—Sam,doyouknow duringtheMid-AutumnFestival?—Sure,letmetellyou.A．whatChinesepeopleusuallydo B．whatdoChinesepeopleusuallydoC．whatChinesepeopleusuallydid D．whatdidChinesepeopleusuallydo二、完形填空（每题1分，共8分）阅读下面的短文，掌握其大意，然后从短文后各题所给的A、B、C、D四个选项中，选择最佳选项。Atthefarendoftown,nexttoadarkforest,satawhitehouse.Kidsatmyschoolwerecuriousabouttheterriblehouse,butactuallyitwaswhereIlivedwithmyMomcleanedeveryroomandpaintedtheinside.Buttheoutsidestilllooked 13． .InevertoldanyonethatIlivedinthatwhitehouse.Thenoneday,Eddie,aboyinmyhistoryclass,shouted"Ican'tbelieveSarahlivesinthatterriblehouse.Ithoughtonlywildanimalslivedthere!"IfeltmyfacegrewhotandheldbackaThehousewilllookalotbetteroncewehaveit 14． ..."Iopenedmybook,pretending)toread.Thenextdayatschool,anolderboynamedJuanstoppedmeinthehall."Iheardyouareinterestedinhavingyourhousepainted.MyfriendDavidandIarestartingapaint 15． Canwegiveyouaquote()?""It'sactuallyanicehouse—goodbones,"hecontinued."Andapaintjobcanmakeahouselooknew."Iwastouchedbyhiswords."Thanks.LetmetalktomyMomandgetbacktoyou."Afterschool,ItoldMomandGramaboutthe 16． ."IhavealittlemoneyIcouldgiveyou,"Gramsaid."IhavesomebutI'msureitwon'tbeenough."Momsaid 17． .Inthemorning,anideahitmeinmyhead.Atschool,IsawJuanandwavedhimdown."Haveyoupaintedanyhousesyet,Juan?""Notyet.Wejuststarted."whatifyoupaintmyhouseasasample(样)?Insteadof 18． you,wewouldletyouputasigninouryardtoadvertise,andpeoplecouldseewhatagreatjobyou'vedone.onegood 19． isworthamilliondollars."Juanlaughed."Howaboutifinadditiontoasign,youpayforthepaint…andbuyusapizza?""Itmightwork,"Isaid,smiling.themoneyIcollected,wewereableto 20． Juan'sEachasJuanandDavidworked,everybrushstrokewaslikemagic.Whenthepaintingwasdone,thehouselookedamazing.Atthetop,therewasalovelyboard"SunnyHousebyJuan&David".Now,thehousewasverybeautiful,insideandoutside,andIfeltproudofwhatIhaddonetoit.13．A．colorfulB．beautifulC．awfulD．useful14．A．soldB．builtC．lockedD．painted15．A．journeyB．businessC．activityD．research16．A．offerB．replyC．adviceD．difficulty17．A．angrilyB．proudlyC．sadlyD．excitedly18．A．thankingB．payingC．teachingD．trusting19．A．advertisementB．friendC．jobD．house20．A．believeB．questionC．chooseD．accept三、阅读理解（每题2分，共26分）21． Iaminterestedinnaturalworld.Iwanttoknowmoreaboutthestrangeanimalsandinsects.21． Iaminterestedinnaturalworld.Iwanttoknowmoreaboutthestrangeanimalsandinsects.22． IamgoingtofinishmyprimaryschoolandIwanttoreadsomethingabouthowtodealwiththechangesahead.23． Ilikereadingstories.ThiswinterholidayIwouldliketoreadsomeexcitingstoriesabouttimemachines.NewBooksA.Paulisstartinghislastyearofprimaryschool.Therearechangesaheadandevenhisbestfriendseemsdifferent.Cansomefriends,ateacherandhisloveofbookshelphimout?B.EshaplanstowintheBrainTrophy(奖杯)withherinventionofatimemachine.HerbigsisterisaccidentallytransportedtothepastandEshamusttakeonhungrydinosaurstogethersisterback.C.Jordan,Drew,Liamandtheirfriendsareheadingtoabigcityonaschooltrip.Jordancan'twaittoexplorethecity'smuseums—buttherewillbeunexpectedchallengesahead.D.Whydojumpingbeansjump?Howdoseacucumbersprotectthemselves?Whatcausesthenorthernlight?Ifyou'reinterestedinnature,you'llenjoythesestoriesofthemostunusualnaturalworld.四、BOnaSaturdaymorning,IplannedtogotothepoolbutMomaskedmetowatchmyfive-year-oldsisterLyssaandthree-year-oldbrotherDougiebecauseshehadanimportantjobinterview."Couldn'tJuliewatchtheminstead?"Iasked."Shecanhelp,butshe'sonlyten.I'llfeelbetterwithafifteen-year-oldincharge(负责)."Momgavemeakissandoffshewent.Aboutteno'clock,thekidswereplayinginthefrontyardwhileIwasreadingmysportsmagazine,withmyheadphoneson.Deeplylostinareallycoolstory,IhardlynoticedJuliealreadystandingoverme.Itookmyheadphonesoff."Lookatthesky,"shesaidinaquivery(颤抖的)voice.Irolledmyeyesather.ThatwaswhenIsawahuge,gray-blacktornadosnakeddownfromtheskytotheground.Icouldn'tbelieveit—areal,livetornado!Andheadedourwayinhighspeed!Iwassoafraidthatmyheartjumpedupalmosttomyears.ItriedhardtorememberthefactsIlearnedabouttornadosafetyinschool.Getlow.Findabasement,orifyou'recaughtoutside,findthelowestplaceyoucan.Lookingaroundus,myeyesstoppedonaditch(沟)aboutahundredyardsoff."Julie,"Ishouted,takingLyssaquickly."GetDougieandfollowmetotheditch!"weremakingourwayhardbecauseofthewindandrain.SuddenlyweallfellonamuddybottomtwofeetImadeeveryonelieasflatastheycould,armsprotectingtheirheads.raineddownonusandthetornadoblewawayalmosteverything.Ithoughtweweregonersforsure…Butthenextmoment,itwasIliftedmyheadandsawthetornadorushingSoontheskybegantoloseitsdarkIkepttouchingkids,amazedwewereallOK.Standingonthemess,Icouldn'tstopthinkingwhatifJulie'dbeenwatchingthemandI'dbeenatthepool!Whatdidthewriterplantodoatfirst?watchmovies. haveajobinterview.gotothepool. readsportsmagazines.Whatdidthewriterfeelwhenhesawthereallivetornado?B．Afraid. C．Disappointed. D．Upset.Whatcanweknowfromthelastsentence?ThewriterfeltluckytoprotecthissistersandThewriterfeltregretfultostaywithhissistersandThewriterfeltproudthathehadlearnedabouttornadoThewriterfeltsorrythathishousewasdestroyedbythetornado.五、CIsn'titstrangethat,whensomething'syoumightshowyourteeth,changeyourbreathing,becomeweakandachyinsomeplaces,andmaybeevencry?Inotherwords,whydowedothisfunnything—laughter?Sincethere'snorecordoflaughter,it'simpossibletosayexactlyhowandwhyitdeveloped,butscientistshavesometheories.Importantly,humansarenottheonlyanimalstodaythatdosomethinglikelaughter.Byrecordingsounds,researchersinthelate90srealizedthatmiceweredoingsomethinglikelaughterwhilebeingtickled(挠痒痒).Scientistshavealsostudiedatleast65kindsofanimals—mostlymammals,butalsosomebirds—andfindthattheylaughduringsocialplay.Byrecordingandstudyingthelaughter-likesoundsapes(猿类)makeduringplay,researchersthinklaughtermayhavedevelopedtoclearlyshowfriendlinessfromthebeginning.Butofcourse,wehumansdon'tjustlaughwhenwe'replaying,butalsowhenwe'reamused,andevensurprised,confused,ornervous.Somescientiststhinkafterhumansseparatedfromothergreatapesanddevelopedlargesocialgroupsandmorecomplex(复杂的)languageabilities,laughtertookonmorepurposes.Theyfindthatlaughtergraduallybecamesomethingwecouldusenotjustduringplaybutwithinspeechtoexpressmeaningsandtoshowouremotions.Thisisthoughttobeoneofthereasonsthatlaughteriscontagious(传染的):it'slikeaninvitationtoshareinsomeone'semotionalstate.Justhearinglaughtercanactivatekeyareasinyourbrain,causingyoutosmileorlaughyourself.And,whenpeopleinonestudywatchedafunnyvideo,theylaughedlongerandmoreoftenwhenanotherpersonwaspresent—eventhoughtheyreportedfeelingthesamelevelofamusement.Andlaughterisnotjustsociallyimportant;it'salsothoughttobegoodforus.Whenwelaugh,ourbrainsproducefeel-goodchemicalsandlowerlevelsofstres