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在△ABC中,内角A,B,C所对的边分别是a,b,c.已知A=120°,a=7,c=5,则=
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高二上学期数学《》真题及答案
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Bodylanguageisthequietsecretandmostpowerfullanguageofall!Itspeaks21thanwords.Accordingtospecialistsourbodiessendoutmore22thanwerealize.Infactnon﹣verbalcommunicationtakesupabout50%ofwhatwereally23.Andbodylanguageisparticularly24whenweattempttocommunicateacrosscultures. Indeedwhatiscalledbodylanguageisso25apartofusthatit'sactuallyoftenunnoticed.Andmisunderstandingsoccurasaresultofit.26differentculturestreatthe27betweenpeopledifferently.NorthernEuropeansusuallydonotlikehaving28contactevenwithfriendsandcertainlynotwith29.PeoplefromLatinAmericancountries30toucheachotherquitealot.Thereforeit'spossiblethatin31itmaylooklikeaLatinois32aNorwegianallovertheroom.TheLatinotryingtoexpressfriendshipwillkeepmoving33.TheNorwegianveryprobablyseeingthisasrudebehaviorwillkeep34﹣whichtheLatinowillinreturnregardas35 Obviouslyagreatdealisgoingonwhenpeople36.Andonlyapartofitisinthewordsthemselves.Andwhenpartiesarefrom37culturesthere'sastrongpossibilityof38.Butwhateverthesituationthebest39istoobeytheGoldenRule:treatothersasyouwouldliketobe40. 21.A.straighter B.louder C.harder D.further 22.A.sounds B.invitations C.feelings D.messages 23.A.hope B.receive C.discover D.mean 24.A.immediate B.misleading C.important D.difficult 25.A.well B.far C.much D.long 26.A.Forexample B.Thus C.However D.Inshort 27.A.trade B.distance C.connections D.greetings 28.A.eye B.verbal C.bodily D.telephone 29.A.strangers B.Relatives C.neighbors D.enemies 30.A.inotherwords B.ontheotherhand C.inasimilarway D.byallmeans 31.A.trouble B.conversation C.silence D.experiment 32.A.interrupting B.helping C.guiding D.following 33.A.closer B.faster C.in D.away 34.A.steppingforward B.goingon C.backingaway D.comingout 35.A.weakness B.carelessness C.friendliness D.coldness 36.A.talk B.travel C.laugh D.think 37.A.different B.similar C.Latin D.European 38.A.curiosity B.excitement C.misunderstanding D.nervousness 39.A.chance B.time C.result D.advice 40.A.noticed B.treated C.respected D.pleased
Anycaraccidentisfrighteningbutanaccidentinwhichyourvehicleisthrownintothewaterwithyoutrappedinsideislyterrifying.36Howevermostdeathsresultfrompanicwithoutaplanorunderstandingwhatishappeningtothecarinthewater.Byadoptingabrace支撑positionactingdecisivelyandgettingoutfastyoucansaveyourselffromasinkingvehicle. Braceyourselfforimpact撞击力.Assoonasyou'reawarethatyou'regoingofftheroadandintoabodyofwateradoptabraceposition.Theimpactcouldsetofftheairbagsysteminyourvehiclesoyoushouldplacebothhandsonthesteeringwheelinthetenandtwoposition. Undoyourseatbelt.37Untiethechildrenstartingwiththeoldestfirst.Forgetthecellphonecall.Yourcarisn'tgoingtowaitforyoutomakethecall. 38Leavethedooraloneatthisstageandconcentrateonthewindow.Acar'selectricalsystemshouldworkforuptothreeminutesinwatersotrythemethodofopeningitelectronicallyfirst.Manypeopledon'tthinkaboutthewindowasanescapeoptioneitherbecauseofpanicormisinformationaboutdoorsandsinking. Breakthewindow.Ifyouaren'tabletoopenthewindoworitonlyopenshalfwayyou'llneedtobreakitwithanobjectoryourfoot.Itmayfeelcounter﹣intuitive有悖常理的toletwaterintothecar.39 Escapewhenthecarhasequalized.Ifithasreachedthedramaticstagewherethecarcabinhasbeenfilledwithwaterandithasbecomebalancedyoumustmovequicklyandeffectivelytoensureyoursurvival.40Whilethereisstillairinthecartakeslowdeepbreathsandfocusonwhatyou'redoing. A.Openthewindowassoonasyouhitthewater. B.Survivingasinkingcarisnotasdifficultasyouthink. C.Ittakes60to120secondsforacartofillupwithwaterusually. D.Suchaccidentsareparticularlydangeroustotheriskofdrowning. E.Inconclusionifyouknowwhattodointhewateryouwillbesafe. F.Thisisthefirstthingtoattendtoyetitoftengetsforgotteninthepanic. G.Butthesoonerthewindowisopenthesooneryoucanescapedirectlythroughit.
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阅读下面短文在空白处填入1个适当的单词或括号内单词的正确形式答案写在答题卡上. Amousebecauseofan61luckchancemadeclosefriendswithanevilfrog.Oneday62frogplayedatrickonthemouseby63tieafootofthemousetohisown.Atfirstbothofthemjoinedtogetherandthefrog64leadhisfriendtowardthepoolinwhichhelivedanddidn'tstop65hereachedthesideofthewater.Thenthefrogsuddenlyjumpedintothewaterandthemousewaspulledinwith66he.Thefrogenjoyedthewaterandswaminitaroundhappilycrying67ifhehaddoneagreatdeed.Theunhappymousediedsooninthewaterandhisdeadbodyfloatedaroundonthesurface68fastentothefootofthefrog.Ahawksawthedeadmousesuddenlyflewdowntowardsitcaughtitandflewaway.Thefrogstilltiedtothelegofthemousewasalsocarriedoffasa69prisonandit70eatbythehawk.Harmhatchharmcatch.
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高二上学期英语
高二上学期生物
高二下学期数学
高二上学期化学
高二下学期物理
高三下学期物理
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