20242025學年滬教版2024（五四制）七升八英語暑期任務單Day1一、單詞適當形式填空1.Theteacheraskedustoreadthepassage___________(careful)andfindthemainidea.2.She___________(visit)theGreatWalltwicebefore.3.The___________(leaf)onthetreesturnyellowinautumn.4.It's___________(importance)toprotecttheenvironment.5.Mybrotherismuch___________(tall)thanmenow.6.Thechildren___________(play)footballintheparkwhenitstartedtorain.二、選詞填空A.toldB.protectC.builtD.caughtE.walkedF.A.toldB.protectC.builtD.caughtE.walkedF.packedLastsummer,myfamilyandIwentcampinginaforest.We___________(1)abigtentnearariver.Theairwasfresh,andwecouldhearbirdssinging.Onthefirstday,we___________(2)alongtheriverandfoundsomebeautifulflowers.Mysisterwantedtopickthem,butmyfathersaid,"Weshouldleavethemheresootherscanenjoythemtoo."Thenextmorning,itstartedtorain.Wehadtostayinsidethetent.Mymother___________(3)storiestous,andweplayedcardgames.Aftertherainstopped,wewentfishing.I___________(4)myfirstfish!Itwassmallbutexciting.Onthethirdday,we___________(5)thetentandpreparedtogohome.Welefttheforestcleanandtookonlyphotos.Ilearnedthatnatureisbeautifulandwemust___________(6)it.三、句子翻譯1.我們應該每天喝足夠的水來保持健康。_________________________________________________________________________________________________________2.昨天晚上我正在做作業時，媽媽突然回來了。_________________________________________________________________________________________________________3.他是我們班最高的學生之一。_________________________________________________________________________________________________________Day2一、單詞適當形式填空Smarthomescan___________(automatic)adjustthetemperaturebasedontheweather.She___________(drop)herglassesandbrokethemyesterday.Weshould___________(careful)fortheenvironment.Therobot___________(design)tohelpwithhouseworknextyear.Hefelt___________(surprise)whenhesawthesmartdevice.______(breath)deeplywhenyoufeelnervous.二、選詞填空A.discussB.startedC.includingD.escapeE.learnF.myselfA.discussB.startedC.includingD.escapeE.learnF.myselfReadingismyfavoritehobby.I___________(1)readingbookswhenIwassixyearsold.Mymothergavemeastorybook,andIfellinlovewithitimmediately.NowIreaddifferentkindsofbooks,___________(2)novels,sciencebooks,andbiographies.Readinghelpsme___________(3)newwordsandunderstandtheworldbetter.WhenIread,Icanimagine___________(4)indifferentplacesandmeetinterestingcharacters.SometimesIsharemyfavoritebookswithfriendsand___________(5)aboutthem.Readingisalsoagreatwaytorelax.Afteralongdayatschool,Iliketositinafortablechairand___________(6)intoabook.Itmakesmefeelcalmandhappy.三、句子翻譯1.這個博物館里有很多古老的藝術品。_________________________________________________________________________________________________________2.她不僅會唱歌，還會彈鋼琴。_________________________________________________________________________________________________________3.如果明天不下雨，我們就去公園野餐。_________________________________________________________________________________________________________Day3一、單詞適當形式填空1.The___________(write)ofthisbookisveryfamous.2.He___________(go)toschoolbybikeeveryday.3.Theweathertodayiseven___________(bad)thanyesterday.4.Weshould___________(help)eachotherintimesofdifficulty.5.Thelittlegirlis___________(cry)becauseshelosthertoy.6.The___________(three)monthoftheyearisMarch.二、選詞填空A.fightB.protectC.duetoD.raiseE.preserveF.IfA.fightB.protectC.duetoD.raiseE.preserveF.IfWildanimalsareimportanttoourecosystem.Manyspeciesareindanger___________(1)humanactivitieslikehuntinganddeforestation.Wemusttakeactiontoprotectthem.Onewaytohelpisto___________(2)naturalhabitats.Nationalparksandreservescanprovidesafeplacesforanimalstolive.Anotherwayisto___________(3)againstillegalhunting.Lawsshouldbemadetopunishhunters.Wecanalso___________(4)awarenessbyeducatingothers.Schoolsandmunitiescanorganizeeventstoteachpeopleabouttheimportanceofwildlife.___________(5)everyonedoestheirpart,wecanmakeadifference.Let’sworktogetherto___________(6)wildanimalsandkeepourplanetbalanced.三、句子翻譯1.他每天花一個小時練習英語口語。_________________________________________________________________________________________________________2.這本書是去年由一位著名作家寫的。_________________________________________________________________________________________________________3.我一到達上海，就會給你打電話。_________________________________________________________________________________________________________Day4一、單詞適當形式填空1.The___________(woman)inthephotoaremyaunts.2.She___________(study)Englishhardeveryday.3.Themoviewasso___________(excite)thatweclappedloudly.4.Weneedto___________(clean)theclassroombeforeleaving.5.The___________(one)prizeinthepetitionisatriptoBeijing.6.He___________(noteat)breakfastthismorningbecausehewaslate.二、選詞填空A.madeB.responsibleC.sadD.fromE.gratefulF.A.madeB.responsibleC.sadD.fromE.gratefulF.keptLastyear,mygrandfathergavemeawatchasabirthdaygift.Hesaiditwas___________(1)in1950andhadalonghistory.Thewatchwasoldbutstillworkedwell.I___________(2)itcarefullyandworeiteveryday.Oneday,Ilostthewatchwhileplayingfootball.Ifelt___________(3)andlookedforiteverywhere,butIcouldn’tfindit.IthoughtIwouldneverseeitagain.Aweeklater,aboy___________(4)myschoolfoundthewatchandreturnedittome.Hesaidhefounditintheplayground.Iwasso___________(5)thatIthankedhimmanytimes.Now,thewatchisstillwithme.Itremindsmetobe___________(6)andappreciatethethingsIhave.三、句子翻譯1.我們應該盡量少用塑料袋來保護環境。_________________________________________________________________________________________________________2.這個問題太難了，我無法獨自解決。_________________________________________________________________________________________________________3.他跑得如此快，以至于我追不上他。_________________________________________________________________________________________________________Day5一、單詞適當形式填空Therobot___________(invent)lastyearcancleanfloorsautomatically.She___________(sudden)stoppedtalkingwhentheteacherentered.Weneed___________(protect)endangeredanimalsimmediately.Thenewsmadeeveryone___________(excite).______(final),theydecidedtotravelbyhighspeedtrain.His___________(suggest)aboutsavingenergyispractical.二、選詞填空A.roleB.experienceC.enjoyD.differenceE.developF.A.roleB.experienceC.enjoyD.differenceE.developF.teachWhenIgrowup,Iwanttobeateacher.I___________(1)teachingbecauseIloveworkingwithchildren.Ihopeto___________(2)themnewthingsandhelpthemgrow.Tobeeateacher,Ineedtostudyhardandgetgoodgrades.Ialsoneedto___________(3)patienceandmunicationskills.Iplantovolunteerataschooltogainsome___________(4).Ibelieveteachersplayanimportant___________(5)instudents’lives.Theycaninspireandguideyoungminds.Iwanttobethatkindofteacherwhomakesa___________(6)inchildren’sfutures.三、句子翻譯1.智能燈能提供低能耗照明，還能根據心情改變顏色。_________________________________________________________________________________________________________2.盡管工作很累，他從未放棄幫助社區的老年人。_________________________________________________________________________________________________________3.醫生建議她每天鍛煉半小時以保持健康。_________________________________________________________________________________________________________Day6一、單詞適當形式填空1.The___________(child)areplayinggamesinthegarden.2.She___________(buy)anewbikelastmonth.3.Theweathertodayis___________(wind)andcold.4.Weneedto___________(finish)ourhomeworkbeforedinner.5.The___________(two)bookontheshelfismine.6.He___________(notgo)toschoolyesterdaybecausehewasill.二、選詞填空A.balancedB.involvesC.performD.regularlyE.importantF.A.balancedB.involvesC.performD.regularlyE.importantF.liveAhealthylifestyleisimportantforeveryone.It___________(1)eatingwell,exercisingregularly,andgettingenoughsleep.Toeatwell,weshouldhavea___________(2)dietwithfruits,vegetables,andwholegrains.Weshouldavoidjunkfoodandsugarydrinks.Exercising___________(3)helpsusstayfitandreducesstress.Wecanwalk,run,orplaysports.Gettingenoughsleepisalso___________(4).Mostteenagersneedabout810hoursofsleepeachnight.Agoodnight’ssleephelpsusfocusand___________(5)betterduringtheday.Byfollowingthesehabits,wecan___________(6)ahealthyandhappylife.三、句子翻譯1.他太害羞了，不敢在班上舉手回答問題。_________________________________________________________________________________________________________2.你能幫我撿起掉在地上的鑰匙嗎？_________________________________________________________________________________________________________3.志愿者們為貧困地區的孩子分發了書籍和文具。_________________________________________________________________________________________________________Day7一、單詞適當形式填空She___________(brave)savedachildfromtheburningbuilding.The___________(librariana.m.p.m.nfrom9a.m.to8p.m.onweekdays.It’simpossible___________(finish)thisprojectinoneday.Heapologizedfor___________(break)thewindowaccidentally.Themoviewasso___________(move)thatmanypeoplecried.______(breath)freshairisgoodforyourhealth.二、選詞填空A.passedB.destinationC.metD.readyE.personF.A.passedB.destinationC.metD.readyE.personF.convenientTravelingbytrainisapopularwaytoexplorenewplaces.Trainsarefortableand___________(1).Theyallowyoutoseebeautifulsceneryalongtheway.Lastsummer,ItookatraintoBeijing.Thejourney___________(2)about10hours.Isatbythewindowandwatchedthecountryside___________(3)by.Itwasrelaxing.Duringthetrip,Imetafriendly___________(4)whotoldmeaboutBeijing’shistory.Wetalkedforhoursandbecamefriends.WhenIarrivedinBeijing,Ifeltexcitedand___________(5)toexplorethecity.Travelingbytrainisnotonlyaboutreachingthe___________(6)butalsoenjoyingthejourneyitself.三、句子翻譯1.我們應該盡量多吃蔬菜和水果。_________________________________________________________________________________________________________2.這個問題太簡單了，他很快就解決了。_________________________________________________________________________________________________________3.她跑得如此慢，以至于我超過了她。_________________________________________________________________________________________________________Day8一、單詞適當形式填空1.The___________(woman)intheroomaredoctors.2.She___________(visit)herunclenextweek.3.The___________(good)timetovisitShanghaiisinautumn.4.Weshould___________(save)energytoprotecttheenvironment.5.Thechildren___________(play)gameswhenIenteredtheroom.6.The___________(three)monthoftheyearisMarch.二、選詞填空A.learnedB.excitedC.filledD.travelingE.traveledF.A.learnedB.excitedC.filledD.travelingE.traveledF.sawLastmonth,ourschoolorganizedatriptoasciencemuseum.We___________(1)bybusearlyinthemorning.Themuseumwas___________(2)withinterestingexhibitsaboutspace,dinosaurs,andtechnology.Myfavoritepartwasthespacesection.I___________(3)amodelofthesolarsystemandlearnedaboutplanets.Wealsowatcheda3Dmovieaboutastronauts.Itfeltlikewewere___________(4)inspace!Afterlunch,wedidascienceexperiment.We___________(5)howtomakeavolcanoeruptusingbakingsodaandvinegar.Itwasmessybutfun.Beforeleaving,weboughtsouvenirsatthegiftshop.Igotabookaboutdinosaurs.Thetripwas___________(6)andeducational.Ihopewecangoagainnextyear.三、句子翻譯1.他不僅會打籃球，還會踢足球。_________________________________________________________________________________________________________2.這個公園是我們城市最大的公園之一。_________________________________________________________________________________________________________3.如果明天天氣好，我們就去爬山。_________________________________________________________________________________________________________Day9一、單詞適當形式填空1.The___________(man)inthephotoaremyuncles.2.She___________(buy)anewdressforthepartytomorrow.3.Theweathertodayis___________(sunny)andwarm.4.Weneedto___________(finish)ourprojectbyFriday.5.The___________(four)lessonisaboutgeography.6.He___________(noteat)dinneryetbecausehe’sbusy.二、選詞填空A.humorousB.cheeringC.haveknownD.ridingE.responsibleF.A.humorousB.cheeringC.haveknownD.ridingE.responsibleF.watchedLilyismybestfriend.We___________(1)eachothersinceprimaryschool.Sheiskind,___________(2),andalwaysreadytohelpothers.Weenjoydoingmanythingstogether,likereadingbooks,watchingmovies,and___________(3)bikerides.Lastsummer,wewentcampingwithourfamilies.We___________(4)starsatnightandtoldghoststories.Itwasunforgettable.Lilyisalsovery___________(5)inschool.Sheoftenhelpsmewithmyhomework.WheneverIfeelsad,shelistenstomeand___________(6)meup.I’mluckytohavesuchawonderfulfriend.Ihopeourfriendshipwilllastforever.三、句子翻譯1.我們應該每天鍛煉來保持身體健康。_________________________________________________________________________________________________________2.這本書是去年出版的，非常受歡迎。_________________________________________________________________________________________________________3.他一到學校，就開始讀書。_________________________________________________________________________________________________________Day10一、單詞適當形式填空The___________(research)publishedtheirfindingsaboutmarinepollution.She___________(polite)declinedtheplasticstrawatthecafe.Studentsareencouraged___________(create)recyclingartprojects.The___________(destroy)ofrainforestsaffectsglobalclimate.______(obvious),electriccarsproducefeweremissions.The___________(possible)oflifeonMarsfascinatesscientists.二、選詞填空A.perfectB.shoreC.laidD.deliciousE.chasedF.A.perfectB.shoreC.laidD.deliciousE.chasedF.wonderfulLastSunday,myfamilyandIwenttothebeach.Theweatherwas___________(1),andthesunwasshiningbrightly.We___________(2)ourtowelsandumbrellasonthesand.MybrotherandIplayedinthewater.We___________(3)wavesandbuiltsandcastles.Myparentsrelaxedundertheumbrellaandreadbooks.Afterlunch,wewentforawalkalongthe___________(4).Wefoundshellsandwatchedseagullsfly.Intheafternoon,wehadapicnic.We___________(5)sandwiches,fruit,andjuice.Asthesunset,wepackedourthingsandwenthome.Itwasa___________(6)dayfulloffunandmemories.三、句子翻譯1.為了保護歷史建筑，上海市政府制定了嚴格的改造規定。_________________________________________________________________________________________________________2.盡管學習編程很困難，許多中學生仍然堅持參加人工智能課程。_________________________________________________________________________________________________________3.專家建議市民每月至少參加一次社區環保活動。_________________________________________________________________________________________________________Day11一、單詞適當形式填空1.Theinventionofsmartphoneshas___________(great)changedourdailylives.2.Mybrotherenjoys___________(play)putergamesinhisfreetime.3.The___________(develop)oftechnologybringsbothbenefitsandchallenges.4.Weshoulduseelectricity___________(wise)tosaveenergy.5.The___________(three)generationofthisdeviceismoreefficient.6.She___________(notfinish)herprojectyetbecausesheneedsmoredata.二、選詞填空A.distractsB.encouragesC.toolsD.throughE.assignF.A.distractsB.encouragesC.toolsD.throughE.assignF.utilizeTechnologyhasbeeanessentialpartofmoderneducation.Schools___________(1)putersandtabletstohelpstudentslearn.Teachersuseonlineplatformstoshareresourcesand___________(2)assignments.Studentscanalsoaccessebooksandeducationalvideos___________(3)theinternet.However,somepeopleworrythattechnology___________(4)studentsfromfocusing.Theyarguethatsocialmediaandgamescanbe___________(5).Tosolvethis,schoolsshouldsetclearrulesfortechnologyuseand___________(6)studentstouseitresponsibly.三、句子翻譯1.這款導航應用能實時更新交通狀況，幫助司機避開擁堵路段。_________________________________________________________________________________________________________2.他太專注于實驗，以至于忘記了午餐時間。_________________________________________________________________________________________________________3.志愿者們為獨居老人定期提供免費健康檢查。_________________________________________________________________________________________________________Day12一、單詞適當形式填空Thequantumputer___________(invent)inChinaprocessesdataatunprecedentedspeeds.Studentslistened___________(attentive)totheastronaut'sspacelecture.Weshould___________(minimization)lightpollutionforastronomicalobservation.TheAIdiagnosissystemproved___________(rely)inclinicaltrials.______(initial),scientistsunderestimatedthevirusmutationrate.The___________(efficient)ofthissolarpanelexceedsindustrystandards.二、選詞填空A.establishedB.refusesC.encourageD.requiredE.adoptedF.ByA.establishedB.refusesC.encourageD.requiredE.adoptedF.ByWastesortinghasbeeanewtrendinmycity.Peopleare___________(1)toseparaterecyclable,kitchen,andhazardouswaste.Thegovernmenthas___________(2)moretrashbinsinpublicplaces.Athome,myfamily___________(3)asystemtosortwaste.Weputpaperandbottlesinonebinandfoodscrapsinanother.___________(4)sortingwaste,wecanreducepollutionandsaveresources.However,somepeoplestill___________(5)tofollowtherules.Thegovernmentshould___________(6)morecampaignstoraiseawareness.三、句子翻譯1.垃圾分類有助于減少環境污染。_________________________________________________________________________________________________________2.如果明天天氣好，我們就去公園種樹。_________________________________________________________________________________________________________3.他跑得比我快，但我跳得比他高。_________________________________________________________________________________________________________Day13一、單詞適當形式填空He___________(do)hishomeworkwhenhismothercamein.?Myfather___________(work)inthispanyfortenyears.?Thecat___________(catch)amouseyesterdayevening.?Ifit___________(notrain),wewillgohikingthisSaturday.?She___________(leave)forLondonassoonasthemeetingends.?They___________(play)basketballontheplaygroundatthemoment.二、選詞填空A.activitiesB.gatherC.avoidD.OnE.prepareF.containingA.activitiesB.gatherC.avoidD.OnE.prepareF.containingTheSpringFestivalisthemostimportantholidayinChina.Families___________(1)tohaveabigreuniondinner.They___________(2)dumplings,whichsymbolizewealthandgoodluck.OnNewYear’sEve,peoplewatchtheSpringFestivalGalaonTV.___________(3)thefirstday,theywearnewclothesandvisitrelatives.Childrenreceiveredenvelopes___________(4)luckymoney.Duringthefestival,thereare___________(5)likeliondancesandfireworks.However,weshould___________(6)fireworkstoprotecttheenvironment.三、句子翻譯1.為了減少一次性用品消耗，許多咖啡館為自帶杯子的顧客提供折扣。_________________________________________________________________________________________________________2.盡管缺乏經驗，這支中學生機器人團隊在全國競賽中獲得了銀牌。_________________________________________________________________________________________________________3.醫生提醒公眾高溫天氣期間要及時補充水分以防中暑。_________________________________________________________________________________________________________Day14一、單詞適當形式填空Therearemany___________(child)playinginthegarden.?Ineedtwo___________(knife)tocutthefruit.?The___________(tomato)inthebasketlookfresh.?These___________(sheep)areeatinggrassonthehill.?The___________(woman)doctorsinthehospitalareverykind.?Ifoundsome___________(money)onthegroundthismorning.二、選詞填空A.shoutedB.praisedC.tryingD.excitedE.wentoffF.A.shoutedB.praisedC.tryingD.excitedE.wentoffF.tookLastmonth,Iparticipatedinmyschool’ssportsmeet.I___________(1)partinthe100meterrace.Onthedayoftheevent,Ifeltnervousbut___________(2).Whenthestartinggun___________(3),IranasfastasIcould.Myclassmates___________(4)loudly,whichgavemeenergy.Ifinishedthird,butIwasproudofmyself.Aftertherace,myteacher___________(5)meformyeffort.Shesaid,“It’snotaboutwinningbutabout___________(6)yourbest.”三、句子翻譯1.參加體育活動有助于保持身體健康。_________________________________________________________________________________________________________2.這個問題太難了，我無法獨自解決。_________________________________________________________________________________________________________3.她唱得如此動聽，以至于所有人都為她鼓掌。_________________________________________________________________________________________________________Day15一、單詞適當形式填空1.The___________(visit)fromAustraliaareinterestedinChineseculture.2.He___________(travel)toBeijingwithhisfamilynextmonth.3.The___________(two)largestcityinChinaisShanghai.4.Weshould___________(respect)localcustomswhentraveling.5.It’s___________(relax)togohikinginthemountains.6.The___________(guide)ledusthroughtheancienttemple.二、選詞填空A.exploredB.understandC.tookD.modernE.extremelyF.A.exploredB.understandC.tookD.modernE.extremelyF.tastedLastsummer,IwenttoXi’anwithmyparents.We___________(1)theTerracottaWarriors,whichareaUNESCOWorldHeritageSite.Thestatueswere___________(2)detailedandlifelike.WealsoclimbedtheancientcitywallofXi’an.Fromthetop,wecouldseethe___________(3)citylayout.Intheevening,wevisitedtheMuslimQuarterand___________(4)deliciouslocalsnacks.Xi’anisrichinhistoryandculture.I___________(5)manyphotosandsouvenirs.Thistripmademe___________(6)moreaboutChina’spast.三、句子翻譯1.旅行可以讓我們開闊視野，了解不同的文化。_________________________________________________________________________________________________________2.這本書是去年由一位著名作家寫的，非常受歡迎。_________________________________________________________________________________________________________3.他一到達機場，就給我打了電話。_________________________________________________________________________________________________________Day16一、單詞適當形式填空Sheis___________(tall)thanheryoungersister.?Thisisthe___________(beautiful)parkIhaveevervisited.?Heruns___________(fast)thananyotherstudentinhisclass.?Theweathertodayismuch___________(bad)thanyesterday.?Shesings___________(sweet)andeveryonelikeshervoice.?Thisbookis___________(interesting)thantheoneIreadlastweek.二、選詞填空A.effectiveB.avoidC.createD.supportE.summarizeF.A.effectiveB.avoidC.createD.supportE.summarizeF.efficientlyLearningisalifelongprocess.Tostudy___________(1),weneedtodevelopgoodhabits.First,weshouldsetcleargoalsand___________(2)astudyplan.Takingnotesduringclassisalsoimportant.Ithelpsus___________(3)keypoints.Reviewingnotesregularlycanstrengthenourmemory.Another___________(4)methodistoaskquestions.Teachersandclassmatescan___________(5)uswhenwe’restuck.Finally,weshouldtakebreakstoavoid___________(6).三、句子翻譯1.為了減少能源消耗，上海許多寫字樓安裝了自動感應照明系統，人離開后燈光會自動關閉。_________________________________________________________________________________________________________2.盡管在線學習存在挑戰，但78%的學生表示這種學習方式提高了他們的自主學習能力。_________________________________________________________________________________________________________3.專家建議青少年每天進行不少于60分鐘的體育鍛煉以促進身心健康發展。_________________________________________________________________________________________________________Day17一、單詞適當形式填空Ienjoy___________(listen)tolightmusicbeforegoingtobed.?Hewants___________(buy)anewdictionaryforhisbrother.?Let's___________(go)tothelibrarytoborrowsomebooks.?Theydecided___________(visit)theGreatWallduringtheholiday.?Sheaskedme___________(help)hercarrytheheavybox.?Westopped___________(have)arestbecauseweweretootired.二、選詞填空A.A.municateB.spentC.throughD.lonelyE.organizedF.helpingLastmonth,Ivolunteeredatanursinghome.I___________(1)timewiththeelderlyandlistenedtotheirstories.Someofthemwere___________(2)andneededhelpwithdailytasks.We___________(3)apaintingactivityforthem.Theyenjoyedexpressingthemselves___________(4)art.Ialsotaughtthemhowtousesmartphonesto___________(5)withtheirfamilies.Volunteeringmademerealizetheimportanceof___________(6)others.Ihopetodomoreinthefuture.三、句子翻譯1.參加志愿者活動可以讓我們學會關愛他人。_________________________________________________________________________________________________________2.這個公園是我們城市最美麗的地方之一，每天都有很多游客。_________________________________________________________________________________________________________3.如果明天不下雨，我們就去博物館參觀。_________________________________________________________________________________________________________Day18一、單詞適當形式填空Hepractices___________(speak)Englishforanhoureveryday.?Iremember___________(meet)himatapartylastyear.?Theyforgot___________(close)thewindowwhentheylefttheroom.?Theteachertoldus___________(notbe)lateforclassagain.?Ican'tafford___________(buy)suchanexpensivecamera.?Shetried___________(solve)theproblembutcouldn'tfindtheanswer.二、選詞填空A.reusableB.conductedC.abundantD.aimE.affordableF.A.reusableB.conductedC.abundantD.aimE.affordableF.performSpaceexplorationhasealongway.Scientists___________(1)tosendhumanstoMarsinthenextfewdecades.panieslikeSpaceXaredevelopingrocketsthatcan___________