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2019年3月12日是第41个植树节,某单位积极开展植树活动,决定购买甲、乙两种树苗,用800元购买甲种树苗的棵数与用680元购买乙种树苗的棵数相同,乙种树苗每棵比甲种树苗每棵少6元. (1)求甲...
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2011年是我国第30个植树节也是全民义务植树活动开展30周年
中国的植树节定在每年的
3月8日
3月12日
5月1日
4月12日
我国的植树节定为每年的
3 月12日
4月12日
5月1日
2月12日
中国植树节是每年的
2月12日
3月12日
4月12日
我国的植树节是公历C.月12日
中国的植树节定在每年的
3月8日
3 月 12日
5月1日
4月12日
我国植树节定在每年的3月12日这也是为纪念而定的
中国植树节是每年的_____
2 月 12 日
3 月 12 日
4 月 12 日
我国的植树节定为每年的3月12日----------------------------------
下面这段文字有三句话各有一处语病请加以修改①3月12日在中国将迎来第33个植树节和全民义务植树运动开
我国的植树节在每年
3月15日
3月12日
4月12日
5月1日
我国的植树节是每年的
3月22日
4月12日
3月12日
4月22日
全国的植树节定在每年的
3月8日
3月12日
5月1日
4月12日
每年的3月12日是我国的植树节
我国的植树节是公历3月12日
我国的植树节是月日是从年开始的
为了绿化荒山发动群众积极参加植树造林活动我国将每年的3月5日定为全国的植树节
中国植树节是每年的
2月12日
3月12日
4月12日
5月12日
中国植树节是每年的
3月2日
3月12日
9月17日
3月12日是我国的全民植树节之所以选择这个时候作为植树节主要原因是
正值农闲时节
土壤松散
雨水较多
叶没长出,蒸腾作用很弱
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10分After10yearsinthespotlightcountry﹣musicstarCarrieUnderwoodisstillenjoyingherselfstillgrowingandstillstayingtruetowhosheis.Butthesepersonalaccomplishmentsarenoteasyevenwhenyou'relivingadreamcometrue. Growingupinsmall﹣townOklahomaUnderwoodcurrentlylivesalifethatismanymilesremovedfromherchildhoodliterallyandfiguratively象征性地.Shegrewupcomfortablyonacattlefarmbutherinterestinperformingwasclearfromthebeginningasshesanginchurchandtalentshows.Provingtobeamorethancompetentsingershewasofferedarecorddealat14thoughitfellthrough. Underwood'spropermusiccareerbeganwithherauditionontheTVsingingcompetitionAmericanIdolatage21in2005.AfterimpressingthejudgesUnderwoodcompetedinHollywood.ShowproducerSimonCowellmadeaprediction:NotonlywillyouwinthisshowyouwillsellmorerecordsthananyotherpreviousIdolwinner.IndeedUnderwooddidwinthatyear'scompetitionandhasmanagedtooutsellevenIdolwinnerKellyClarkson. AfterwinningAmericanIdolUnderwooddebuted首发thealbumSomeHeartswhichwasagreatsuccessnowseventimesplatinum白金.ShehasreleasedfourotheralbumsmostrecentlyGreatestHits:Decade#1implyingshe'sfarfromfinishedthoughshe'snotinterestedinsteppingonfamiliarground.Idon'twanttomakethesamealbumoverandoveragain…ThenI'vegottadecidewhichversionamIgonnabetonight﹣countryCarrieorPopCarrie?I'dratherjustmakecountrymusicthatanybodycangetintonomatterwhattheylistento. AsUnderwoodcontinuestogrowherfanbaseAustraliaandtheU.K.havebecomesignificantfollowerssheknowshersituationisrare.…IfIhadn'tmademyplaceincountrymusicviaAmericanIdolIprobablycouldhavetriedtomakeitfortherestofmylifeandnevermadeanyprogressshesays.CountrysingerBradPaisleyhasalsoheardherexpressthatshefeelssheisastarfornoreasonthatothersareannoyedabouthersmoothsuccess.ItoldhershewasoneofthegreatestgiftswehavebeengiveninNashvillesaysPaisley. 78.AccordingtothepassageUnderwood'spresentlifeandherchildhoodare. 79.HowdoyoufindUnderwood'sfirstrecorddeal? 80.WhatdoesSimonCowell'spredictionmean? 81.UnderwoodnamedherlatestalbumDecade#1because. Note:AnswerthequestionsorcompletethestatementsinNOMORETHANTENWORDS
已知圆锥的底面半径为20侧面积为600π则这个圆锥的母线长为.
如图1△ABCAC<BC<AC绕点C顺时针旋转得△DEC射线AB交射线DE于点F. 1∠AFD与∠BCE的关系是 2如图2当旋转角为60°时点D点B与线段AC的中点O恰好在同一直线上延长DO至点G使OG=OD连接GC. ①∠AFD与∠GCD的关系是请说明理由 ②如图3连接AEBE若∠ACB=45°CE=4求线段AE的长度.
15分Mr.BlackwasspendinghisholidayinAfrica.Onedayhewatchedsomeelephantspassingby.Eachofthemwastiedtohisfrontlegsonlybyasmallrope.Tohisgreatsurprisetheselargestronganimalscouldeasilyrunawaybuttheydidnot. SoMr.Blackaskedtheownerwhynotasingleelephantmadeanattempttobreakfree.TheownersaidWhentheelephantswereveryyoungthesamesizeropeswereusedtotiethemandatthattimetheropeswerestrongenoughtoholdthem.Nowtheyhavegrownbigandstrongbuttheybelievethattheropesstillholdthemanditisimpossibletoescapesotheynevertrytogetaway. Sometimespeopleactliketheseelephants.Theyoftengiveupafterthefirstfailures.Infactthefailuresarepartoflearning.Ifwewanttosucceedweshouldnevergiveupbuttryandtryagain. 1WherewasMr.Blackspendinghisholiday? 2Whatwaseachoftheelephantstiedby? 3HowdidMr.Blackfeelwhenhesawtheelephantsdidnottrytogetaway? 4Whydotheelephantsnevertrytobreakfree? 5Accordingtothetextwhatshouldwedoifwewanttosucceed?
6分TwoEuropeanSummerMust‘Seas' WhenyouthinkofsummerthebeachclearwatersunnyskiesandrelaxingdaysareafewthingsthatcometomindandtwoofthebestplacestoexperiencethesesummerfeelsaretwogorgeousEuropeanbodiesofwater:theMediterraneanSeaandtheAdriaticSea!ThesetwoincredibleSeasholdsomeofmyfavoritetravelmemories.andIwouldrevisiteachoneinaheartbeat! TheMediterraneanSea TheMediterraneanSeacanbeaccessedfromvariousEuropeancountriesaswellasafewNorthAfricancountries.AndwhilemanythinkofvisitingIbizaMaltaortheGreekislandstoexperiencetheMediterraneanmyMediterraneanbeachdayscamewhilevisitingtheseasidecityofMarseilleintheSouthofFrance!MarseillewasalovelycitywitheasyaccesstotheSeaalsowithprettysandybeaches.ThegorgeouscrystalclearbluewatermadeitunlikeanybeachdayinAmerica!NotonlywerethebeachesamazingbutthecityofMarseillewasadorableandfilledwithnumerouscuteshopsandseasiderestaurants.AndtheMediterranean﹣stylefoodwasdelicious! TheAdriaticSea TheAdriaticSeaisequallyasstunningandsurelyworthavisit!TheCroatiancoasthasnumerousbeachclubssomeprivateandsomepublicthattouristsareabletovisitandyoucanexperiencethebeautyoftheAdriaticSeathere!ZrceNovaljaaCroatianseasidetownIvisitedwasimpressivelyfeaturedbytheratherrockybeachinplaceofsand.Therocksweresmallandsmoothmakingswimmingintheseaandwadinginthewaterjustaseasyassandybeaches!PlusthelocalsinCroatiaarealsoextremelyfriendlymakingtheexperienceevenmorememorable. 1Thewriter'striptothetwoseaswasfullof. A.unbearablehardships B.variousadventures C.wonderfulexperiences D.funnyevents 2FromwhichplacedidthewritergettotheMediterraneanSea? A.Ibiza. B.Malta. C.TheGreekislands. D.Marseille. 3WhatmakesZrceNovaljasospecial? A.Itsbeachclubs. B.Itsbeautifulsea. C.Itsrockybeach. D.Itsfriendlylocals.
尺规作图要求Ⅰ过直线外一点作这条直线的垂线Ⅱ作线段的垂直平分线 Ⅲ过直线上一点作这条直线的垂线Ⅳ作角的平分线. 如图是按上述要求排乱顺序的尺规作图 则正确的配对是
若代数式x2+kx+25是一个完全平方式则k=.
8分Themostcommonmistakes33leadtoabadbackarepoorbodymechanicsandunhealthyhabits.Howyoumoveobjectsyourposturenotstretchingbeforeexercisingandthewrongkindofshoesallcontributetooneofthemostcommonmedicalproblemstoday.Backpainaffectseightoutof10peopleintheirlifetimeaccordingtotheNationalInstitutesofHealth. Dr.DouglasWonfounderanddirectorofMinimallyInvasiveSpineCAREandStarMedicalCenterinPlanoTexasofferssometipstoimprovebackhealth: Firstmaintainproperbodymechanics: •Stretch34exercisingordoinganytoughactivity.Pushheavyobjectsacrossthefloorinsteadofpullingorliftingthem. •35liftingisnecessaryliftwithyourkneesnotyourback. •Avoidsuddenmovementsandtwistingmotionswhencarryingobjects﹣﹣evenabagofgroceriescandoseriousharmwhen36handleimproperly. •Maintaingoodpostureasoftenaspossible.Whenstandingyourweight37bebalancedsmoothlyandregularlyonbothfeettoavoidinjuringyourmusclesandjoints. •Wearpropershoes.High﹣heeledshoesarecommoncriminalsbuteventennisshoescanbe38problemiftheydon'tprovideyouwithpropersupport. Nextadopthealthyhabits: •Exerciseregularly:Thebestprogramsforbackhealthincludebasic39strengthenandcardiovascular心血管的exercises. •Reducestress:Whenstressedthebodytightens40muscles.Thiscanresultinspasms痉挛muscletwistsandstressednervesthatarepainfulandcanleadtomoreseriousproblems.
1分PracticemoreyouwilllearnEnglishbetter. A.or B.yet C.and D.but
8分Whatdidyoueatforlunchtoday?Didyouchoosethisdishbecauseitwashealthycheaporbecauseitwasjustverytasty?Areyouaparticulareateroranadventurousdiner? Iloveexploringtrendsinfood.‘Fusioncuisine'isnotforeverybody.MyItaliangrandmotherwouldturnhernoseupindisgustatthethoughtoftandooripizzawithmangotoppingbutthismarriageoftastesisperfectlyfineinthe21stcentury.ChefandfoodwriterChing﹣HeHuangwhopresentedaseriesofChineseFoodfortheBBCisafanofthemovement.Shesays:FusionhasbeenhappeningforcenturiesforaslongaspeoplehavetravelledbutwiththeInternetandglobaltraveltheexchangeofideasmakestheprocessmuchfaster. WolfgangPuckisseenbymanyasoneofthechefswhomade‘fusion'elegant.HegothisexperienceinthisaspectinhisnativeViennaandmadeanameforhimselfwhenheopenedhisownrestaurantinLosAngelesinthe1970s.ThisEuropeandugintoAsiancuisineandbecameoneofthefirstinalonglineofdistinguishedchefs.HesaidinaninterviewwiththeWallStreetJournalthatinitiallyhegotnegativeresponsesfromtraditionalAmerican﹣Chineserestaurantownersbutheisnotbitter.Ibelieveauthenticityisaboutevolutionnotrepeatingyourgrandmother'srecipe.heexplains.Cookingislikepaintingorwritingasong.Justasthereareonlysomanynotesorcolours.thereareonlysomanyflavours﹣it'showyoucombinethemthatsetsyouapart. Mygranny'scupofteawouldbetheSlowFoodMovement.FoundedbyhercountrymanCarloPetriniinthe1980sandstillgoingstrongitseekstopreserveregionalcuisineandtheuseofingredientsthataregrownlocally.Petriniwantstoseefarmersconnectedmoredirectlywithconsumers. Allthesetrendsgiveusfoodforthought.Wemightbewastinganexcitingopportunitytowakeupourtastebudswhenweswallowasandwichatourdesks.Tomorrowwhynotfindanexoticrestaurantandenjoyafeast?Youdresstrendysoeattrendy! 1Fusioncuisineis. A.aBBCcookingprogramme B.abalanceddietrichinnutrition C.anewtrendofglobaltravelling D.acombinationofdifferentcookingstyles 2WhatdowelearnaboutWolfgangPuck? A.HeknewlittleaboutAsiancuisine. B.Heowedhissuccesstohisloveforpainting. C.HewaswellreceivedbyEuropeans. D.Hewasinfavorofcreationincooking. 3TheSlowFoodMovement. A.aimstokeepalivelocalcuisine B.isfavouredbyoldpeople C.promoteslocalfarming D.isfoundedbyGranny 4Whatcanbeasuitabletitleforthetext? A.Hungryfornew B.Greedyfortasty C.Loveforcooking D.Foodforthought
8分 70.WhichofthefollowingisTRUEaccordingtothepassage? A.Moviefanswon'tgetexcitedthisyear. B.SnoopyhastwoenemiesTheRedBaronandCharlieBrown. C.Arloisafraidofhishumanfriend. D.JamesBondisfacedwithadangeroussituationinthenewfilm. 71.WhydoAlvinandtheChipmunksstopDavefromwhatheisdoing? A.BecausetheyareafraidDavewillleavethemoncehegetsmarried. B.BecauseDavegiveshisgirlfriendproposalinNewYork. C.BecauseAlvinandtheChipmunksreturn. D.BecauseDavemisunderstandsthemandwillprobablyattackthem. 72.Whatcanweinferfromthepassage? A.InCreedRocky'sfriendApolloCreedisoneoftheleadingcharacters. B.PeopleshowedgreatinterestintheboxingfilmRocky40yearsago. C.RockyBalboaisthetrainertohisfriend'ssoninCreed. D.RockyisaboxingfilmwhileCreedisnot. 73.Howmanykindsoffilmcanyouchoosetoseeaccordingtothepassage? A.7.B.5.C.3.D.4.
如图在⊙O中OC⊥AB∠ADC=32°则∠BOC的度数是
10分 FourStepstoBeginYourPathtoGreatness Feelingstuckisquitecommon.Manytimeswehavethoughtsanddreamsofwhatwewantinlife.1Ourthinkingpatternholdsusbackfromgoingforward.Thegoodnewsisatanymomentintimewehavetheabilitytostarttakingactiontowardcreatingthelifewewant.Herearefourstepstogetstarted: 1.CelebrateYourSuccess. Writedownallthesuccessesyou'vealreadyachievedandalltheawesomenessthatyouaretoday.2Andonceyou'reinthatpositiveroutinewithyourthoughtsitwillleadyoutomakebetterchoicesandtakebetteractionstowardyourgreatness. 2.CreateYourTrueVision. Manytimeswelivebasedonothers'expectationsorwestaystuckinaparticularplacebecauseit'soursafetyzone.Ownyourpath.Itcanbehardtodobutallowyourselftogetoutofyourheadorstoplisteningtowhatotherswantforyouandfocusonyourheartandwhatit'stellingyou.3 3.4 Ifyouwanttostartgoingtothegymgoingfrom0daysaweekto5daysaweekrightawayisextremeandsettingyourselfupbybitingmorethanyoucanchewtypicallydoesn'tresultinsuccessbutfailure.Insteadstartslowandgoonceortwiceaweek.Afteryoudothatforawhileandgetintoaniceroutineupittomoredays.Overtimeyouwillbuildtowardyourgoalbytakingrealisticsmallerstepstogetthere. 4.HavetheRightSupport. 5Findtherightsupporttocheeryouonintheprocess.Itcouldbeafriendafamilymemberorsignificantotherwhoyoutrust.Whoeveritmaybehavingsomeoneonyourjourneywillbejustwhatyouneedtokeepyouontrackandcelebratewithyouasyouworktowardthelifeyoudreamof. A.Don'tdoitalone. B.Berealisticaboutyourgoals. C.Bekindtoyourselfandacceptthemoment. D.Yourfailurecanleadyoutoanothersuccess. E.Sadlytheyonlystayasthoughtsanddreamsinsideofus. F.Thispracticewilldirectyourthinkingtoapositiveplace. G.Lookwithinyourselfdeeplyanddecidewhatyouwantandwhat'strueforyou.
1分﹣Whoisgirlinred? ﹣SheisMr.Smith'sdaughter. A.an B.the C.a D.不填
6分 1FromParagraph1weknowthatthewriteriswithhisbusiness. A.embarrassed B.disappointed C.satisfied D.tired 2Whyisitdifficultforthewritertomakehisshopbigger? A.Heisshortofmoney. B.Hehasnogoodfriends. C.Hedoesn'tpaytherent. D.Hehasfewercustomers. 3Whatisthewriter'smainpurposeofwritingtheletter? A.Toshowwhyhisstoreissuccessful. B.Toavoidproblemsforhisbusiness. C.Toexplainwhyhiscustomersaresad. D.Torenttheshopspacedownstairs.
30分假设你是李华新学期开始你校成立了学生健康成长中心分设两大功能区.根据下图给你的美国笔友Tom写信介绍该中心的情况作为学生活动组织部部长对全校的春季学生活动安排提出自己的设想并征求Tom的建议. 注意:1.词数100左右 2.可适当增加细节以使行文流畅 3.开头和结尾已为你写出不计入众词数. DearTom Lookingforwardtoyourearlyreply. Yours Lihua
计算a2b3•的结果是
如图已知正方形ABCD点M是边BA延长线上的动点不与点A重合且AM<AB△CBE由△DAM平移得到.若过点E作EH⊥ACH为垂足则有以下结论①点M位置变化使得∠DHC=60°时2BE=DM②无论点M运动到何处都有DM=HM③无论点M运动到何处∠CHM一定大于135°.其中正确结论的序号为.
如图已知直线ab被直线c所截.若a∥b∠1=120°则∠2的度数为
8分OnedayIwaswalkingaroundinanationalparkwhenIsawabeautifultarantula狼蛛crossingapath.Ijuststoppedanddecidedtoobserveitswalking. Behindmetherewasafamilygoingupthesamewayandtheyalsonoticedthetarantula.WithoutdoubtingitakidshoutedQuickDadkillit.Hisbrotheralsoencouragedtheirdadtodothat. ThenIstoppedtheirdad.Wait.Thisisthelastplacethetarantulahastolivein.Doyoureallywanttokillit? Wellit'sdangerousandwehavekidshere… Whynotstandstillandletitcrosssafely?Thenyoucangoandadmiretherestofthepark. AftersomediscussionsIpersuadedthemtostandstillandwatch.Soonthetarantulacrossedandhidintothebushes. TheirdadthankedmeandsaidYou'reright.Iwasabouttomakeamistake.Thechildrenevensaidgoodbyetothetarantulaandtheylearnedsomethingtoo. 1Whatdidthefamilywanttodoonseeingthetarantula? A.Towatchit. B.Tokillit. C.Tostandby. D.Tohideaway. 2Whatdidthedadthinkofthetarantula? A.Dangerous. B.Interesting. C.Powerful. D.Beautiful. 3Whatistheauthor'sadviceonhowtodealwiththetarantula? A.Tostopitquickly. B.Togreetitpolitely. C.Toletitcrosssafely. D.Todriveitintothebushes. 4Whatmaythekidslearnfromtheexperience? A.Staycalmintimeofdanger. B.Enjoythebeautyofnature. C.Stayawayfromanimals. D.Treatthewildlifekindly.
2分一个人大笑时其体内的一切都会运作得更健康更有效率.operateEverythinginhisbodyoperatesinahealthywaymoreefficientlywhenaperson laughs..
如图有四张背面完全相同的纸牌ABCD其正面分别画有四个不同的几何图形将这四张纸牌背面朝上洗匀. 1从中随机摸出一张求摸出的牌面图形是中心对称图形的概率 2小明和小亮约定做一个游戏其规则为先由小明随机摸出一张纸牌不放回再由小亮从剩下的纸牌中随机摸出一张若摸出的两张牌面图形都是轴对称图形小明获胜否则小亮获胜这个游戏公平吗请用列表法或树状图说明理由纸牌用ABCD表示.
函数y=kx﹣3与y=k≠0在同一坐标系内的图象可能是
1分theaircleanthegovernmentwillclosesomefactoriesinthecity. A.Keep B.Keeping C.Tokeep D.Kept
如图在矩形ABCD中对角线ACBD相交于点O∠ACB=30°则∠AOB的大小为
1分Mrs.MorrishasleftforLondon.Sheaspeechtherenextweek. A.hasgiven B.willgive C.gives D.gave
30分Let'sfaceit:whilewegototheofficetoworknooneisexpectedtokeeptheirheaddowntheentiretimethey'rethere.Yetcompaniesexpect51outoftheiremployees:that'swhythey'repayingyoutobethere.Notalkingorsocializingatallisone52whiletheotherisbeingabletotalktowhomeveryouwantwheneveryouwantaboutwhateveryouwantevenifyouneverquitemanagetomakeittoyourdeskuntil11:00a.m.Bothexamplesare53unrealistic.Sofirstwehavetheentiregrayareainbetweenthosetwoandthat'sjustduringofficetime. Thephrasepeople﹣orientedisgenerallyusedto54somethingthatvaguelyrepresentsacompanywhereeveryoneispleasantandhappy.It'sfuntoworkthereeveryonelikeshisorherjobandeachemployeeis55wellandfairly.Knowanycompanieslikethat?People﹣orientedisatraditionalandunclearphrasethatneeds56tomakesureyourdefinitionisthesameasthecompany'sandthatyoucanspota57ifthereisone. Sowhatdoyoumeanbypeople﹣oriented?Doyouwantacompanythatpromotesfromwithinanddoesn't58gatheringatthewatercooler?Acompanywheremanagementmakesapracticeofbeing59?Aplacewherecustomersareofgreat60bothinphilosophyandactualityoronethatisinvolvedinitscommunityandrequireseach61tojoinorparticipateinaspecificeventonceortwiceeachyear?Whenyoulookcloseratwhatthisphrasemeanstoyouyou'lldiscoverthatsomeaspectsaremoreimportanttoyouthanothers.Knowingwhatyoumeanbythisphrasegivesyouthepowertodiscoverifthecompany's62isthesameasyours. Whybotherleavingamessagethatmaynotbe63fordayswhenyoucanreachsomeoneinstantlywithatextorinstantmessage?Thatseemstobeincreasinglydominantviewpointanyway.Whentextingandinstantmessagingfor64needskeepinmindsometipsfromworkplaceandcareerexperts. MarlaHarrabusinessetiquetteconsultantandtrainersaysthatwhenrelyingontextingandmessagingforworkyoushould65thatthepersonyouwanttosendatextmessagewantstoreceiveandcommunicateinthatway. 51.A.efficiency B.enthusiasm C.qualification D.contribution 52.A.phenomenon B.issue C.extreme D.disadvantage 53.A.illegally B.subjectively C.regularly D.equally 54.A.exchange B.convey C.provide D.promote 55.A.trained B.honored C.complimented D.treated 56.A.defining B.restricting C.analyzing D.summarizing 57.A.feature B.difference C.distance D.principle 58.A.concernabout B.lookinto C.disapproveof D.chargewith 59.A.attractive B.accessible C.aggressive D.accurate 60.A.importance B.benefit C.emphasis D.conscience 61.A.employer B.employee C.customer D.participant 62.A.regulation B.explanation C.definition D.opinion 63.A.launched B.released C.revised D.checked 64.A.business B.privacy C.public D.secret 65.A.recall B.ensure C.inform D.remind
10分A13﹣yearstudyofearlychildhooddevelopment1makebyHarvardUniversityhasshownthatbytheageofthreemostchildrenhavethebigpotential2understandabout1000words﹣mostofthelanguagetheywilluseinordinaryconversationfortherestoftheirlives. Furthermoreresearchhasshownthatwhileeverychildisbornwithanaturalcuriosity.Italldecline3greatduringthesecondandthirdyearsoflife.Researcherssaythatthehumanpersonality4formduringthefirsttwoyearsoflifeandduringthefirstthreeyearschildrenlearnthebasicskillstheywilluseinalltheirlaterlearningbothathome5atschoo1. 6isgenerallyacknowledgedthatyoungpeoplefrompoorersocio﹣economicbackgroundstendtodolesswellinoureducationsystem.AsaresuItoftheresearchevidenceofthe7importantofthefirstthreeyearsofachild'soflifeapilotprogramme8focusedonparentsasthechild'sfirstteachersstartedintheUS.Astheprogrammeshowsworkingwiththefamilyratherthanbypassingtheparents9bethemosteffectivewayof10helpchildrengetofftothebestpossiblestartinlife.
九年级2班同学根据兴趣分成五个小组各小组人数分布如图所示则在扇形图中第一小组对应的圆心角度数是
1分Ifyoueatandtakemoreexerciseyouwillsoonloseweight. A.little B.less C.least D.more
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