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已知△ABC满足A=60°,a=,b=2,则c=( )
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高一下学期数学《》真题及答案
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已知abc是△ABC三条边的长且满足a2+b2+0=ab+bc+ca试判断△ABC的形状.
已知abc为△ABC的三边长若满足a+b-ca+b+c=ab则∠C.的大小为
60°
90°
120°
150°
已知△ABC的三边abc满足a2+b2+c2-ab-bc-ac=0试判断△ABC的形状
已知abc是△ABC三边之长若满足等式a+b-ca+b+c=ab则角C.的大小为.
60°
90°
120°
150°
已知abc为△ABC的三边且满足a2c2﹣b2c2=a4﹣b4试判定△ABC的形状.
已知abc是△ABC的三边长且满足关系则△ABC的形状为.
已知abc是△ABC的三边长ab满足|a﹣7|+b﹣12=0c为奇数则c=
已知△ABC的三边长为整数abc且满足a2+b2-6a-4b+13=0则c为__
已知△ABC的三个内角A.B.C.所对应的边分别为abc且满足bcosC+c=a.1求△ABC的内角
已知复数满足则
、
已知abc为△ABC的三边长bc满足b-2²+|c-3|=0且a为方程|x-4|=2的解求△ABC的
已知△ABC的三边长分别为abc且abc满足请你判断△ABC的形状是.
.已知abc是△ABC的三边长且满足关系式a2-c2-b22+=0则△ABC的形状为________
已知abc是△ABC的三边且满足关系式a2+c2=2ab+2bc-2b2试说明△ABC是等边三角形.
在△ABC中已知A=60°b=4那么满足条件的△ABC
有0个解
有1个解
有2个
不能确定
已知△ABC和点M.满足.若存在实数m使得成立则m=
2
3
4
5
已知如图在△ABC中AB=ACAD⊥BC垂足为点D.AN是△ABC外角∠CAM的平分线CE⊥AN垂足
已知△ABC中满足B=60°c=2的三角形有两解则边长b的取值范围为.
已知abc为△ABC的三边且满足a2c2﹣b2c2=a4﹣b4试判定△ABC的形状.
已知abc是△ABC的三边且满足a2﹣b2+ac﹣bc=0请判断△ABC的形状.
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LastweekendIwentsnowshoeingwithagroupofteachersfrommyschool.1itfeltalittlestrange﹣﹣﹣abitlikewearingflippers脚蹼2youswim!lfeltquiteclumsytostartwithanditwas3toclimboverthefallentreeswiththesnowshoes4tomyfeet.HoweverIlove5andamusedtowalkinginmountainousareas6Isoongotusedtoit.Ilovedwalkingthroughtheforestandseeingallthetreescoveredin7!Attimeswalkinguphillinthesnowwashard8whentherewererocksunderneaththesnow.Oncewereachedthe9itwasworthit!Themountainwe10wascalledLeTanetanditwasl292mhigh﹣﹣﹣that'shigherthanSnowdonthetallestmountaininWales!Theskywasabitgraybuttheviewswere11.Imanagedtogetsomegreat12﹣﹣﹣andrememberedtousemynewcamera!Aftertakinglotsofphotoswestartedgoingdown.Insomewaysgoingdownthemountainwasharderthan13.Itwasverysteep陡峭anditwaseasyto14inthesnow. Atthebottomwehadahotdrinkinacabin﹣﹣﹣itwasclearly15afterafewhoursofwalkinginthecold!Beforewewent16Iattemptedsledging雪橇whichI'dnever172before!Itwasgreatfun! TobehonestI'dreally18snowshoesasanalternativetothemorewell﹣known19sports.Besidesbeingalotcheaperthanskiingit'seasiertodoandisconsideredtobealot20! 1A.Atfirst B.Byday C.Aboveall D.Bychance 2A.unless B.when C.since D.before 3A.practical B.easy C.difficult D.enjoyable 4A.designed B.reviewed C.adjusted D.attached 5A.swimming B.skiing C.hiking D.riding 6A.and B.but C.if D.so 7A.mud B.fog C.dirt D.snow 8A.especially B.normally C.directly D.perfectly 9A.bottom B.top C.valley D.beach 10A.promoted B.climbed C.protected D.ignored 11A.excellent B.common C.similar D.universal 12A.assistance B.guides C.photos D.equipment 13A.lying B.checking C.stayingup D.goingup 14A.spread B.test C.slip D.sleep 15A.needed B.displayed C.controlled D.backwards 16A.upstairs B.home C.abroad D.changed 17A.gotten B.seen C.lost D.tried 18A.suspect B.dislike C.recommend D.quit 19A.extreme B.winter C.water D.track 20A.cheaper B.safer C.firmer D.slower
假定英语课上英语老师要求同桌之间互相修改作文请你修改你同桌的以下作文.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. 删除把多余的词用斜线\划掉. 增加在缺词处加一个漏字符号∧并在该词下面写出该加的词. 修改在错的词下划一横线在该词下面写出修改后的词. 注意1.每处错误及修改均仅限一词. 2.只允许修改10处多者从11处起不计分. Mylistoffavoritebooksarelong.IreadalotandIjustkeepfindingnewfavorites.Inmyfamilyweoftentalkaboutthebookswearereadingandpassingaroundourfavorites.Itbenefitsawholefamily. Idiscoveredhowsharefavoritebookscanhelpstrengthafriendshiplongago.WhenIwasakidmyfriendLizbecameverysickerandwasgoingtomissalotofschool.Ifillabigbagwithsomeofmyfavoritebooksforherread.Sheneverforgotthat.Todayshelivesthousandofmilesawayfrommebutshesometimese﹣mailswithmeaboutthebookssheisreading.
假定你是李华最近你要为你们学校的英文报写一篇关于中欧友好日暨中欧环保小使者活动走进欧盟学校的新闻报道. 内容要点 1.中国学生表演了武术书法气功等中国特色项目 2.欧洲学生上演了有关环保的戏剧节目 3.活动的意义. 注意 1.词数100左右开头已写好不计入总词数 2.可以适当添加细节以使行文连贯.参考词汇武术martialarts气功Qigong OntheChina﹣EuropeFriendshipDaymanyChinesestudentsandtheirEuropeanfriendsgottogetherataEU'smiddleschool..
Nobodylikesanoldpoop傻子.Developingasenseofhumorispartofbecomingamatureemotionallyhealthyindividual.Laughterisgoodforthesoulbuildsfriendshipsandrelievesstress.Itservesastheglueforsocialsituationsandasanice﹣breakerforsadnessandboredom.Ifyou'veeverbeentoldtolightenuporchilloutyoushouldsavetheblueattitudeforserioussituationsanddevelopyoursenseofhumor. Forgivetheaccidental.Asuddenfallishumorousnotbecauseweliketoseepeoplefallbutbecauseitsurprises.Fromaspilled溢出waterglassinameetingtoAuntRae'steethcomingoffintheThanksgivingturkeytheembarrassmentofaccidentscanberelievedbyhumorandahelpinghand.Aftermakingsurethatnobody'shurtforgiveaccidentswithachuckle咯咯地笑ratherthanascolding. Lookfortheunexpected.Thekidwhousedtolookatyouwithhiseyesclosedduringatesthadtheidea.Parentswhoservegreeneggsandhamtotheirchildrenongraduationdaygettheidea.Unexpectedactionslightenanatmosphereandrelaxpeople. Learntolaughwithyourkids.Mostofwhatchildrensayanddoisfunny.Helpthemlearnthataccidentsaresometimesfunnyandsometimesoccasionsforjoininginandhelpinganotherhumanbeing.Bysharinglaughsandattemptingtoexplainhumoryoudevelopyoursenseofhumoraswellashelpkidsdeveloptheirownsenseofhumor. 1Ifyou'veeverbeentoldtolightenuporchilloutitmeans. A.youarehumorous B.youareblue C.youlackhumor D.youarefunny 2AccordingtoParagraph2whenyourfriendfallsyoucan. A.laughathim B.chuckle C.scoldhim D.feelembarrassed 3Intheauthor'sopinionifyourmotherservesgreeneggsandhumtoyouonyourgraduationdaysheis. A.boring B.serious C.considerate D.humorous 4Whatisthebesttitleforthepassage? A.HowtoDevelopaSenseofHumor B.WaystoBecomeaHealthyIndividual C.TheFunctionofHumor D.ProperAttitudesTowardHumor
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Writeagoodinterestingblog Ifyouwanttoavoidbeingfrustratedforwritingablogthatwasneverreadherearesomewaystomakeagoodinterestingblog. 1CBoringtopicsaregenerallynotgoodforblogsunlessyouaregeniuswriterswhocancreatebeautifulprose散文evenwhenwritingaboutthemostordinarythings. Pickatopicyouknowandarepassionateabout.2EIfyoulikevideogamesforexamplewriteonedetailingyourexperiencesofplayingthem.NotethatthiskindofblogisdifferentfromaDearDiaryblog. Avoidwritingyourownbiography.ADearDiaryblogisn'tinterestingtootherpeopleunlessyouareareallysignificantperson.Thinkaboutitwhowouldreallywanttoknowwhatyouatefordinner?Thiskindofblogisself﹣indulgent放纵自己的andunnecessary.3A Funnyblogpoststendtobecomevital.Humorouschartspicturesandvideosaregreatsupplementstoyourtext.4GTrytothinkofuniquethingstowriteaboutorwriteanopposingviewonacertainsubject. 5DPeoplehatebeingled﹣onandtrickedintoreadingablogpostthattheyexpecttobehelpfuljusttorealizethatitisasubjectiveandpromotionalone. A.Itdoesnotofferanythingtothepeoplereadingit. B.Writeyourblogaboutyourpersonalthings. C.Chooseaninterestingtopic. D.Informyourreadersfromthebeginning. E.Itshouldbeonethatotherpeoplecanrelateto. F.Writeyourblogclearly. G.Donotrehashorrewriteblogpostsfromfamousblogs.
Somepeoplelikemodernart1otherssaythatisrubbish.Butacleanerwho2workintheTateGalleryinLondonisn'tabletotellthe3different.Thewomanwhosenameisn'tknownmistookaworkofartbytheGermanpainterGustavMetzger4abagofrubbishandthrew5outwithotherbags.6plasticbagwhichcontainedpiecesofpaperandcardboardwas7laterecoveredoutsidethegallerybuttheartistthoughtthatitwastoo8damagetobeputonshowagain.78﹣year﹣oldMr.Metzgerexplainedthattheexhibit9hesaidwasacopyofasimilarworkhehadcreatedin196010meantoshowthatallartistemporaryandfinite.
Whatabusyday!Thethreeboyswerefedbathedandchangedintotheirnightclothes.Maryhad1themastoryandfinallytheywereasleep.Babysitting照看thethreeboysagedeightsixandfourisextremely2shethought. SleepsheconsideredifonlyIcould!Butshehaddifficulthomeworktocomplete.Leaningbackshe3herfeetontothesofatogetcomfortable.Whoeversaidbabysittingwasan4waytomakemoneyobviouslyhadn'tmetthethreeboysshethought.Thetelevisionwasontheroomwaswarmandthelightsweredim.Mary's5feltheavierandheavier.Imustn'tsleepshethought﹣whichwas6whatshedidofcourse. Strangelyenoughshesoon7thatshewasaworldfamouschef主厨.Shemadea8andworediamondsanddesignerclothes.Mostdayssherelaxedbythepoolmeetingtherichandfamousor9﹣herfavoritehobby.She10tooktheleadingroleinherownTVshow. Thatisuntilshebecametoo11.Iamdefinitelythebestintheworldshethoughtasshepreparedatastychickendish.But12seemedtogoright.Shespilttheflourshedroppedaneggandshecutherfinger.Despiteallthetroublesshe13togetthechickenintothestove.Soonsmokeblanketedtheroom.Thechickenwasonfire.14setinbutMarycouldnotrun﹣shewas15tothespot.Shetriedhardtomovebutcouldnot16asharpsoundawokeher. Shegotshockedandconfused﹣17waspouringfromthekitchen.Rushingtoinvestigateshewasmetbythree18littlefacesandsomeveryburntbread.Sorrywewerehungryandyouwere19sowetriedtomakesomebreadexplainedaboy.RelievedMarymadethemasnackandsentthembacktobed.She20themnevertofallasleeponthejobagain! 1A.given B.written C.told D.taught 2A.successful B.helpful C.tiring D.surprising 3A.shook B.put C.bent D.kept 4A.difficult B.boring C.important D.easy 5A.eyes B.mind C.heart D.legs 6A.nicely B.exactly C.curiously D.carelessly 7A.realized B.reminded C.learnt D.dreamt 8A.decision B.fortune C.business D.plan 9A.cooking B.reading C.running D.babysitting 10A.just B.ever C.even D.only 11A.selfish B.proud C.stubborn D.sensitive 12A.everything B.something C.anything D.nothing 13A.tried B.arranged C.managed D.prepared 14A.Panic B.Pain C.Noise D.Stress 15A.frozen B.dragged C.pushed D.brought 16A.because B.until C.as D.unless 17A.smoke B.light C.water D.fire 18A.cheerful B.strange C.guilty D.confident 19A.busy B.hungry C.worried D.asleep 20A.promised B.allowed C.expected D.persuaded
Myfatherwasalwaysagoodgardener.Oneofmyearliestmemoriesisstandingwithoutshoesinthefreshlytilled翻耕的soilmyhandsblackenedfromdiggingintheground. AsachildIlovedfollowingDadaroundinthegardenIrememberDadpushingthetiller耕作机aheadinperfectlystraightlines.Dadlovedgrowingallsortsofthingsyellowandgreenonionswatermelonsalmostasbigasmerowsofyellowcomandourfavorite﹣redtomatoes. AsIgrewintoateenagerIdidn'tgetsoexcitedaboutgardeningwithDad.Insteadofmagicallandofpossibilityithadturnedintosomekindofprison.AsDadgrewolderhisloveforgardeningneverdisappeared.AfterallthekidsweregrownandhadstartedfamiliesoftheirownDadturnedtogardeninglikeneverbefore.Evenwhenhewasdiagnosedwithcancerhestilltookcareofhisgarden. Butthenthecancerbitbybitinvadedhisbody.Ihadtodothethingsheusedtodo.WhatreallyconvincedmethatDadwasdyingwasthestateofhisgardenthatyear.Therowsandrowsofmulticoloredvegetablesweregone.Tootiredtoweedthemhesimplyletthembe.Heonlyplantedtomatoes. ForthefirstfewyearsafterhediedIcouldn'tevenbeartolookatanyone'sgardenwithouthavingstrongmemoriespourovermelikecoldwaterfromabucket.ThreeyearsagoIdecidedtoplantmyowngardenandstartedoutwithjustafewtomatoes.ThatmorningafterbreakingupafairamountofsoilsomethingcaughtthecomerofmyeyeandIhadtosmile.Itwasmyeight﹣year﹣oldsonNathanhappilyplayinginthefreshlytilledsoil. 1Whydidtheauthorlikethegardenwhenhewasachild? A.Thegardenwasplantedwithcolorfulflowers. B.Thegardenwasjustfreshlytilledbyhisfather. C.Helovedwhathisfathergrewinthegarden. D.Heenjoyedbeinginthegardenwithhisfather. 2Whenallthekidsstartedtheirownfamiliestheauthor'sfather. A.devotedmoretogardening B.turnedtootherhobbies C.stoppedhisgardening D.focusedonplantingtomatoes 3Whathappenedtothegardenwhentheauthor'sfatherwasseriouslyill? A.Theauthor'ssontookchargeofit. B.Noplantgrewinthegardenatall. C.Thegardenwasalmostdeserted. D.Itbroughttheauthoragreatharvest. 4Wecaninferfromthelastparagraphthat. A.theauthor'ssonplayedhappilyinthegarden B.theauthor'ssonremindedhimofhisownfather C.theauthor'ssonwasverygladtohelptheauthor D.theauthor'ssonwillcontinuegardeningaswell
TheiPhonetheiPadeachofApple'sproductssoundscoolandhasbecomeafad一时的风尚.Applehascleverlytakenadvantageofthepoweroftheletteri﹣andmanyotherbrandsarefollowingsuit.TheBBC'siPlayer﹣whichallowsWebuserstowatchTVprogramsontheInternet﹣adoptedthetitlein2008.Alovelybear﹣popularintheUSandUK﹣thatplaysmusicandvideoiscallediTeddy.Aslimmed﹣downversionofLondon'sIndependentnewspaperwaslaunchedlastweekunderthenamei. Ingeneralsingle﹣letterprefixes前缀havebeenpopularsincethe1990swhentermssuchase﹣mailande﹣commercefirstcameintouse. MostiproductsaretargetedatyoungpeopleandconsideringthemajorreadersofIndependent'siit'snosurprisethatthey'veselectedthisfashionablename. Butit'shardtoseewhat'ssospecialabouttheletterIWhynotuseaborcinstead?AccordingtoTonyThorneheadoftheLanguageCenteratKing'sCollegeLondoniworksbecauseitsmeaninghasbecomeuncertain.WhenAppleusesinooneknowswhetheritmeansInternetinformationindividualorinteractive.ThornetoldBBCMagazines.EvenwhenApplecreatedtheiPoditseemsitdidn'thaveonecleardefinitionhesays. HoweverthankstoApplethetermisnowassociatedwithportability轻便addsThorne. ClearlytheletterIalsoagreeswiththeideathattheWesternWorldiscenteredontheindividual.Eachpersonbelievestheyhavetheirownneedsandwelovepersonalizedproductsforthisreason. AlongwithGoogleandblogreadersofBBCMagazinesvotediasoneofthetop20wordsthathavecometodefinethelastdecade. Butashistoryshowspeoplegrowtiredoffads.Fromthe1900sto1990sproductswith2000intheirnamesbecamefashionableastheyearwasassociatedwithallthingsadvancedandmodern.Howeverasweenteredthenewcenturythetrendinevitably一定的disappeared. 1PeopleuseiPlayertoC. A.listentomusic B.makeacall C.watchTVprogramsonline D.readnewspapers 2WecaninferthattheIndependent'siisaimedatA. A.youngreaders B.oldreaders C.fashionablewomen D.engineers 3NowadaystheitermoftenremindspeopleoftheproductswhichareA. A.portable B.environmentallyfriendly C.advanced D.recyclable 4ThewritersuggeststhatB. A.iproductsareoftenofahighquality B.thepopularityofiproductsmaynotlastlong C.theletterbreplacesletteritonametheproducts D.iTeddyisalivebear.
Theselfieisusedtodescribetheself﹣takenphotooftenfromasmartphone.Someonetakesabout10selfieseachtimehedoesandheonlyendsup1postingpostoneortwoofthose.Hepickstheonethathefeelsmakehimlookthe2bestgood.Inthatpicturehegainsconfidence.Forthatmomenteverythingbadorterriblethathashappenedtohim3isremovedremovebecausethatsmileiswhatgiveshimthe4determinationdeterminetolovehimself. Iread5apoemrecentlyandtheyoungmansaidIfIaskyou6whatyoulovetheanswerswillmostlikelyrolloffyourtongue.Youlovetoread.Youlovetowrite.Youloveyourmomyoudaughteroryourbestfriend.Howlongdoyouthinkyoucangoonandonbeforeyousay‘Ilove7myselfI'? Thatstatementhitmelikeatonofbricks.I'vestruggledwithconfidenceallmylife.Istilldo.Andin8nowayamIsayingthattakingaselfieisagateway9toconfidence.10However/Rather/Insteadtheselfiedoesdeservesomecreditforallowingindividualstoexpressthemselves.
假定你是李华在高三毕业典礼之际学校号召毕业生用适当形式表达对学校及老师的感恩.请你给你的外籍教师Megan写一封信表达你对她的感谢要点如下 1.你在学习英语中经历的困难 2.获得Megan老师的帮助和鼓励 3.对Megan老师的感谢和祝福. 注意1.词数100左右 2.可以适当增加细节以使行文连贯 3.开头语已为你写好. DearMegan Howtimeflies! Yourssincerely LiHua
Whatisashopaholic购物癖? 1Whilethemediasometimesusethewordcasuallyshopaholicssufferfromarealandsometimesveryfrighteninglackofself﹣control. Withoutadoubtweliveina‘spend﹣happy'society.Mostpeoplelivebeyondtheirmeansandareindebt.2Theytakeweekend﹣longshoppingexcursionsspendmoneytheydonothaveandoftenregrettheirpurchasesthenextday.Butdoesthismeanthattheyhaveaproblem?Notnecessarily. Trueshopaholicsshopbecausetheycan'thelpit.3Theyshopwhentheyarefeelingdepressedandusespendingasawayofcopingwiththeworld.Theydonotshopbecausetheyenjoyitorbecausetheyneedthethingstheybuy.Theybuythingsbecausetheyfeeltheyhaveto.4 Twopiecesofadvicegiventoshopaholicsarethese.Firstlywhenyougoshoppingonlytakecash.Leaveyourcreditcardsandcheckbooks支票簿athome.Andsecondlyifyouseesomethingthatyouwanttobuydon'tletyourselfbuyitonthespot.5Ifyoustillwanttheitemafewdayslaterthenyoucangobackandbuyit. A.Nowadaystherearemoreandmoreshopaholicswhichhasbecomeamajorconcernforthesociety. B.Insteadgiveyourselfa‘waitingperiod'. C.Inrecentyearsshopaholicshavecometothepublicattentionontelevisionandinnewspaperandmagazinearticles. D.Theygoonbuyingthingslongaftertheyhavehugedebts. E.Remindyourselfthatyouareashopaholic. F.Manypeoplewhatevertheirlevelofincomethinkofshoppingasahobby. G.Ashopaholicisoutofcontrol.
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IfaskedifspaceexplorationshouldcontinuemostAmericanswouldgiveanimmediateresponseeitherinfavorofcontinuingorinfavorofendingspaceexploration.Acommonresponsewouldbethatspaceexplorationisawasteofmoney.AnaverageAmericanuneducatedonthesubjectmightbelievethatthegovernmentiswastingbillionsofdollarsontheresearchthathasnovalue.Someonestrangetothesubjectmightsaythataspaceshuttlegoesuponceinawhileandthatisaboutallthathappens.Researchisongoingandcontinueswhentherearenoshuttlesbeinglaunched.Thisalsocoststhegovernmentmoney.Doestheextremecostofspaceexplorationmakesense? OneargumentisthatthegovernmentiswastingmoneyontheresearchnotbeingusedonEarth.ActuallythemoneygoestoworkersandscientiststhatsupportNationalAeronauticsandSpaceAdministrationNASNmissionsandgoestomajorcompaniesthatplayimportantrolesinmajorsectorsoftheUSeconomy.BoeingisapartnerofNASAforaircraftthesamecompanythatmakescommercialaircraftfortheairlineindustry. Anotherbenefittocontinuingspaceexplorationisthemanytechnologiesitprovides.Theartificial人造的heartresultedfromexperimentsonthespaceshuttle.ThehandheldJawsofLifeusedtosavevictimsfromcaraccidentsresultedfromthesystemusedtoseparatethespaceshuttlefromitsboosterrockets.Insulation隔热板inhomesthatkeepsthemwarmandenergyefficientisbasedonthetechnologyusedtoinsulatethespaceshuttle. TherearedirectbenefitstotheeconomyprovidedbyNASAmissionsaswellasthosetechnologies.Theseadvancesarefoundinfoodbuildingmaterialsmedicalproceduresandthevehicleswedrive.Whileitcanbeproventhatbillionsofdollarsthatcouldbeusedelsewhereisbeingspentonspaceexplorationthebenefitsitprovidesoutweightheterribleaspects.Asamatteroffactthemoneyspenthelpstoimprovethequalityofourlives. 1HowisParagraph2mainlydeveloped? A.Byofferinganalyses. B.Bymakingcomparisons. C.Bygivingsomeexamples. D.Bypresentingresearchfindings. 2ThefunctionofJawsofLifeisto. A.savepeoplefromtrafficaccidents. B.doexperimentsonthespaceshuttle C.keephouseswarmandenergyefficient D.separatethespaceshuttlefromitsboosterrockets. 3Intheauthor'sopinionspaceexploration. A.haschangedourlifecompletely B.coststoomuchofourtime C.benefitsusinmanyways D.hasnothingtodowithus 4Whatwouldbethebesttitleforthetext? A.Benefitsofspaceexploration B.Isspaceexplorationworththecost? C.Howtomakespaceexplorationaffordable D.MissionsoftheNASAspaceshuttleprogram
Work﹣From﹣Home!AVONishiringnow.Noexperiencenecessary.Unlimitedearningspotential.Beyourownboss!Alllocationsneeded.251﹣518﹣8023www.AvonJob.com 1Theseadsare. A.toselltheirproducts B.toattractsomebodytojointhem C.toinformpeopleofsomeactivities D.tohelppeopleimprovethemselves 2Foragraduatewhojustfinishescollegewhichadismostsuitable? A.Ad1. B.Ad2. C.Ad3. D.Ad4. 3Ifyouarearunnerofasmallcompanyfocusingonwebsiteservicewhichadismostattractivetoyou? A.Ad1. B.Ad2. C.Ad3. D.Ad4.
Whatsomethingtodrink?
HowSuperAreSupermarkets? Buyingeweek'sgroceriesistiring.Youwanttogetitoveranddonewithquicklysoyouheadforthenearestsupermarketyoufindeverythingyouneedunderoneroofandyoufeelgladthatthosedaysofgoinginandoutofdifferentshopsinthehighstreetareover.Supermarketsseemtobeabigplus.Thereisadownsidethough. IntheUK90%ofallthefoodpeopleconsumeisboughtat5differentsupermarketchains.Thismakesthesecompaniesextremelypowerfulwhichletsthemusetheirhugebuyingpowertosqueezesmallsupplierstogetthebestdeal.Milkisagoodexample.Supermarketsliketousethingslikemilkwhichisthetopofalmosteveryone'sshoppinglisttoattractcustomers.Toofferthelowestpricepossibletotheconsumerthesupermarketsforcedairyfarmerstosellmilkatlessthanthecostofproduction.Supermarketsguaranteetheirgoodprofitswhilefarmersareleftstrugglingtomakeendsmeetandthetaxpayerpaystosupportthesystemwithoutevenknowingit. Itwouldbeniceiflocalgrocerssupportedlocalagriculture.Butforthebigsupermarketsthisjustdoesn'tmakesense.Supermarketsdon'twantlittlefarmersthinkingtheycandecideprices.Sosupermarketshavestartedaglobalsearchforthecheapestpossibleagriculturalproduce.Inmanysupermarketsitisdifficulttofindanythingwhichisproducedlocally. UKfarmersusedtogrowalotofapples.Notanymore.In199936%ofappleswereimported.By2015thefigurehadrisento80%andthedomesticproductionofappleshadfallenbytwothirds.TheconsumermightjustbehappytogetareasonablypricedmealmadeupoffoodsfromThailandSpainItalyandZambiabutweshouldalsobearinmindtheInfluenceonlocalproducers. Thenthere'spackaging.Supermarketslikeeverythingtobepackedandwrappedsoitcanbepiledneatlyonshelves.Supermarketsproducenearly10milliontonsofwastepackagingintheUKeveryyearofwhichless5%isrecycled.Somesupermarketsmakesurethatlargerecyclingbinsareobviousintheircarparksshowingthattheyareenvironment﹣friendly.Butthatisjustanimage. Whenanewsupermarketisplannedthereareclaimsaboutthenumberofnewjobsthatwillbecreated.Unfortunatelythenumberofjobslostintheareaislargerthanthenumberofnewpositionsinthesupermarket.Onaverageeachnewsupermarketleadstothelossof276jobs. Howeverthemodernworldisallaboutshoppingandthefreedomtobuywhateveryouwhatsoitwouldbeimpossibletostoppeopleshoppingatsomeparticularkindofshop.Butsomemeasuresdoneedtobetakenwhensmallsuppliersloseprofitslocalproducerssuffersealevelsriseandjobsarelostanywaywecan'tjustcareaboutafreecarparkandspecialoffers. 1Theauthormentionsmilkinparagraph2toexplainhowsupermarkets. A.cheatthetaxpayers B.supportlocaldairyfarmer C.harmsmallsuppliers‘benefits D.providecustomerswiththecheapestproduct 2Accordingtothepassagesupermarketskeeppriceadvantageby. A.competingagainsteachother B.importingforeignproducts C.purchasinglocalproducts D.reducingproducttax 3Whichofthefollowingshowsthestructureofthepassage? CPCentralPointPPointSPSub﹣pointCConclusion 4Whatistheauthor'sattitudetowardssupermarkets? A.Critical B.Sympathetic C.Doubtful D.Cautious
—Wouldyoulikeicecreamsir? —Yesplease. A.some B.much C.many
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. LastSundayitwasmyfather'sfunnyday.Aftersuppermyfatherwenttoseethefilm.Butinoursurprisehecamebackjustabouthalfanhourlater.Iaskedhimwhatwasthematter.Hesmiledandtoldusaboutthefunnythingwhathadhappenedinthecinema.Hewassittinginhisseatwhileawomancametoherandsaidtheseatwashers.Surprisingtheylookedattheirticketcarefullyonlytofindtheseatsshownintheirticketswerethesamewhilethecolorsweredifferent.Sotheylookedattheticketsmorecarefully.AfterawhilemyfatherapologizedthewomansayingSorryImakeamistake.Takethisseatplease.Thefactwasthathisticketfoundoutinhisdeskdrawerwasforthefilmamonthago.
Don'tbringfoodtotheparty.IfyouI'lltakeitaway. A.are B.willdo C.do
—shoeswouldyoulike?—Size40.A.What B.Whatkindof C.Whatsize
GeneticallyModifiedGMfoodisunfortunatelybecomingmorepopularamongstfarmersandfoodprocessors.Cropsarebeinggeneticallymodifiedtoresistinsectsplantdiseasesinsecticides杀虫剂.Plantsarealsomodifiedtolookbiggerandbetter.Unfortunatelytheendgoalisn'tprovidingnutritionforpeopleit'stoincreaseprofitmarginsandtomakefoodlookbetter.Infactmanymodernfruitsandvegetablesaretwicethesizeofwhattheyusedtobewhilehavingfarlessvitaminsandnottastinggoodeither.Nowresearchisshowingthatgeneticallymodifiedfoodmightevenbebadforyou. GMorganismsareorganismsthathavegenesinsertedintotheirDNAinordertooffercertaincharacteristics.Inthiswayyoucanmakeitbetterormakeitlastlonger. JeffreyM.SmithhaspublishedastudyaboutthedangersofGMfood.ItwasdiscoveredthatwhenGMsoywasfedtofemaleratstheyfoundthatalltheiryoungdiedwithin3weekscomparedtoanatural10%deathrate.Theiryoungwerealsobornsmallerandtheylaterhadproblemsbecomingpregnant.Astudyofpigsfoundthattheyalsobecameinfertile不育aftereatingGMcorn. ManypeopleareeatingGMfoodwithoutevenrealizingit.Thesolutiontothisproblemissimple.Humanbeingsexistedintheircurrentformforhundredsofthousandsofyears.Formostofthattimeweateadietconsistingofmeatfruitvegetablefisheggsandnuts.Thisisouroptimaldietwhichleadsustoliveahealthyandlonglife.Butoverthelast30yearsNorthAmericahasexperienceddiabetescancerandheartdisease.AllduetothemisinformationprovidedbygroupswhoworkonbehalfofthemanufacturersofGMfood.Thewaytoavoidobesityheartdiseaseandcancerisbyeatinglikeourstone﹣ageancestors. 1AccordingtotheauthorwhatultimatelyinspiredthepopularityofGMcrops?C A.Richnutrition. B.Uniquetaste. C.Highprofits. D.Energysaving 2Whathadwebetterdoifwewanttostayhealthyaccordingtothetext?D A.Eatmorefruit. B.Bevegetarians. C.Eatmoregrains. D.Keeptraditionaldiet. 3ThetextisorganizedintheformofB. A.timeandevents B.causeandeffect C.reasoningandargument D.contrastandcomparison 4WecaninferthatthelobbygroupsinParagraph4arepeoplewhoareC. A.scientistswhogiveoutfalseinformationbecauseofcarelessness B.doctorswhotrytoprofitfrompatientswhosufferfromunhealthyfood C.workerswhotrytocheatcustomersforthebenefitsoffoodproducers D.agriculturaltechnicianswhoareresponsibleforpromotingnewproduct
Iwouldtogotoseethemoviethisafternoon.
Hewillgototheparkifheistomorrow.
Thereare12inthecakeyoucanblowthemoutinonego.
Asanyonewhofreelances做自由职业knowstherearelotsofadvantagesofworkingathomealone.Buttherearedrawbackstoolikethepotentialloneliness.Nowonderco﹣workingspacesarebecomingsopopulartheypermitself﹣employedindividualstofeelliketheyarepartofallofficeenvironmentwhilemakingthemgetsomeworkdonetoo.Butrentingaco﹣workingspacedoescostmoney. NowaSwedishprojectisaimingtochangethatbyturningpeople'sunder﹣usedhomesintotemporaryco﹣workingspacesavailabletofreelancersforfree.HofficewasstartedbyfreelancersChristoferGradinFranzenandJohlineZandraaboutayearagoinStockholmwhentheyinvitedafewpeopleintotheirhomeofficetoworktogether.ItwasagreatsuccessandtheprojecthassincespreadtoanumberofcitiesinEuropeNorthandSouthAmericaAustraliaIndiaandJapan.Anyonecansignupandoffertheirhomespaceasafreeco﹣workingspaceorgofindaHofficenearthem. OnaHofficedayeveryonearrivesandstartsworkatacertainhour.After45minuteseveryonegetsuptotakeabreakstretchdoqigongoryogafor10to15minutes.Afterwardspeoplecangatheraroundagainandre﹣statetheirintentionsandgoalsfortherestoftheworkdayasawaytomotivateeachother.Mealscanbeeatentogetheratacertainhourpotluck﹣style家常饭orbybringingyourownlunch. Thisprocesscreatesanencouragingandsupportiveworkenvironment.AssomefreelancersdescribeByworkingatHofficewegiveourselvesandeachotherthegifttospendourdaysinasocialworkingenvironmentwhereweareextremelyproductivewithoutignoringourotherhumanneeds.Wealsomakesuretogiveusandeachotherwhatweneedtofeelcalmhappyinspiredandcreativeduringtheworkingday. SoHofficeisnotjustaboutsharingspaceit'salsoaboutafreeexchangeofideas.AndperhapsthebestthingisthatHofficesarefreetouse. 1Hofficewasstartedto. A.changepeople'sattitudetowork B.encouragepeopletobemoresocial C.improvepeople'sworkingconditions D.provideaco﹣workingspaceforfree 2What'sthemainideaofParagraph3? A.HowpeoplerespondtoHoffice. B.HowaHofficedayworks. C.WhatpeopleshareatHoffice. D.WhatHofficemeanstopeople. 3Somefreelancers'descriptionsofHofficesuggestthatthey. A.benefitalotfromtheworkingstyle B.worklongerthanbefore C.expectmorepeopletojointhem D.can'tbeseparatedfromeachother 4WhatdoweknowaboutHofficeaccordingtothetext? A.Itisbecomingincreasinglypopular. B.Ithasbeenaroundforquiteafewyears. C.Ithascreatedmanynewjobopportunities. D.Itissuitableforpeoplefromallwalksoflife.
Iofteneatsomeandforlunch.A.tomato;fish B.tomatoes;fish C.tomato;fishes
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