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根据广安市环保部门的空气质量监测资料表明，广安市一天的空气质量为优良的概率是0.75，连续两天为优良的概率是0.6．若广安市某天的空气质量为优良，则随后一天的空气质量为优良的概率是（ ）
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某地区空气质量监测资料表明一天的空气质量为优良的概率是0.75连续两天为优良的概率是0.6已知某天
0.8
0.75
0.6
0.45
以下是属于四川省的地级以上城市
广元市、遂宁市、达州市
南充市、广安市、资阳市
安顺市、遵义市、宜宾市
玉溪市、曲靖市、昭通市
阅读材料回答下列问题川黔渝四城市联合促销红色旅游精品线路重庆贵阳遵义和广安市旅游局决定进一步推广广安
某地区空气质量监测资料表明一天的空气质量为优良的概率是0.75连续两天为优良的概率是0.6已知某天的
0.8
0.75
0.6
0.45
在2008年8月8日至24日奥运会期间北京市的空气质量不仅天天达标而且有10天达到一级全面兑现
3-5月的空气质量较差
各月份空气质量相差不大
8月是空气质量最好的一个月
有一个月的空气质量达标天数少于15天
改革开放的总设计师__出生在四川省
成都市
巴中市
绵阳市
广安市
2010年徐州市被环保部门列为全国3个环境空气质量提升最快的城市之一空气质量良好天数为335天．下
二氧化硫
氮的氧化物
甲醛
悬浮颗粒物
以下城市中是属于四川省的地级以上城市
广元市、遂宁市、达州市
南充市、广安市、资阳市
安顺市、遵义市、宜宾市
玉溪市、曲靖市、昭通市
2011年秋广安市正轰轰烈烈地开展创建全国文明城市创建国家森林城市目前我市创建全国优秀旅游城市全国卫
本题12分根据空气质量指数API为整数的不同可将空气质量分级如下表对某城市一年365天的空气质量进行
四川省广安市中考题若是同类项则
四川省广安市中考题若是同类项则
某地区空气质量监测资料表明一天的空气质量为优良的概率是0.75连续两天为优良的概率是0.6已知某天的
0.8
0.75
0.6
0.45
某市环保部门的监测结果显示今年上半年该市的空气质量整体处于优良水平严重污染天数不足15天污染天数比去
该市去年关停了几家重污染企业
该市今年开展了植树造林活动
该市的严重污染时段一般在下半年
该市环保部门今年更新了空气检测设备
1－8月间月平均空气质量合格天数约为多少天
22
24
26
28
重庆地界东邻湖北省湖南省南靠______省西连四川省泸州市内江市遂宁市北接四川省广安市达州市和___
5.00分某地区空气质量监测资料表明一天的空气质量为优良的概率是0.75连续两天为优良的概率是0.
0.8
0.75
0.6
0.45
下列关于2008年1－8月间北京空气质量的描述不正确的是
3－5月的空气质量较差
各月份空气质量相差不大
8月是空气质量最好的一个月
有一个月的空气质量达标天数少于15天
2015年·黑龙江模拟某地区空气质量监测资料表明一天的空气质量为优良的概率是0.75连续两天为优良
0.8
0.75
0.6
0.45
近年来空气质量成为人们越来越关注的话题空气质量指数AirQualityIndex简称AQI是定量描
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Iteachatauniversityandrecentlyhadaninterestinginteractionwithastudentwhoapproachedmydeskwithanassignment.Iwatchedashe1itfromhispocketandheldthecrumpled皱皮sheetouttome. What'sthat?Iasked.His2:Mywork. Iwasshocked.AllIcoulddowasstareatitlongenoughto3myvoice.ThenItoldhimtoredothe4andhanditbacktomeasaclean5andspotlesscopy.Asthestudent6Ipickedupthemerestanger. IfIhavesome7asateacherthenthisisit:quality.Inthelong8ofmyteachingcareerIhavegivenmystudentsgreatcreativefreedomand9manyextensionsofdeadlines.Butmy10ofqualityremainsanchoredinconcrete.IhavealwaysfeltthatshouldI11onthisoneessentialissuethenallislost. Sowhatbecameofmy12withthecrumpledpaper?Hegavemethepaperlikeasoldierpresentingsomethingtoaking13acatwhichiswhyI14him.Icalledhimback.WesatdowntogetherandI15hisdraftwhichwasdisorganized.Iexplained16.andclearlythatone'sfirsteffortisexactlythat:astart.Andwetookitfromtheremovingaparagraphdeletingthe17wordorsentenceand18grammar. Oncethosebasicthingswere19mystudentaskedArewedone?NotyetIsmiled.Onelaststep.Itoldhimtoreadhisworkoutloudandlistentohiswords.Afterhe20heloweredthepaperandlookedatmewithhisexpressionfilledwithhope. 1A.ruined B.pulled C.blocked D.harvested 2A.belief B.solution C.notice D.response 3A.repair B.recover C.raise D.recognize 4Aarrangement B.preparation C.adaptation D.assignment 5A.explicit B.flat C.long D.sharp 6A.twisted B.registered C.withdrew D.deposited 7A.complaint B.celebration C.appreciation D.attraction 8A.lesson B.distance C.course D.silence 9A.excused B.prohibited C.required D.allowed 10A.expectation B.assumption C.comprehension D.judgement 11A.burstout Bcutdown C.givein D.keepup 12A.career B.teacher C.draft D.student 13A.ratherthan B.orrather C.otherthan D.aswellas 14A.forgave B.scolded C.troubled D.influenced 15A.torn B.introduced C.examined D.selected 16Ahopefully B.specially C.strangely D.quietly 17A.difficult B.unnecessary C.valuable D.unconditional 18A.copying B.stressing C.correcting D.reviewing 19A.handled B.listed C.enjoyed D.tested 20A.demanded B.finished C.recorded D.settled
Ourteacherstriedteachingusaboutdeathduringnursingtraining.AsastudentnurseIknewIwouldseedeathinmy1.Ihadnoideaofthe2itwouldhaveonme3. ThefirstpersonIsawdiewasanelderlymanJohnwhohadbeen4forweeks.Hisheartwas5andthehealth﹣careteamwaskeepinghimcomfortableand6hissymptoms.Hehadstoppedspeakingdaysbeforebutwasstillawakeattimesandhis7whenwespoketohimwasbeautiful. WhenIcameontothe8onemorningthenightstaffsaidhehaddeteriorated恶化overnightandhad9lefttoleave.AtrainednurseandIgavehimabedbathshavedhimandchangedhissheets.ForthenextsixhoursI10hishandandtalkedtohim.Thedoctorcameinregularlyandaskedifheneededmorepainreliefbutheseemed11mostofthetime.Heonly12openedhiseyestosmileatme.Earlyintheafternoonthenursecamebackinandwewashedhisfaceand13hishair.Asshewasjustabouttoleavetheroomshestrokedhishairandsaid:OhJohnjust14.Minuteslaterhedid. Ithasbeen20yearssinceJohn'sdeath.Ihaveseen15deathsinmytimenursing.Ihaveseenstaffgofarbeyondthe16oftheirjobsto17thatapatienthasasgoodadeathaspossible.Iremembersomeoftheotherfacesbutnoneisquiteas18asJohn's.Heandtheprofessionalswhowere19himtaughtmethatit20howwetreatthosewhoaredying. 1A.life B.career C.mind D.family 2A.impact B.difference C.reflection D.affection 3A.instead B.regardless C.therefore D.however 4A.insisting B.challenging C.struggling D.recovering 5A.striking B.failing C.beating D.aging 6A.comforting B.decreasing C.disappearing D.relieving 7A.face B.eyes C.smile D.expression 8A.ward B.classroom C.hospital D.department 9A.days B.hours C.minutes D.seconds 10A.held B.reached C.hugged D.touched 11A.silent B.painful C.peaceful D.anxious 12A.frequently B.occasionally C.hardly D.easily 13A.combed B.tied C.washed D.smelt 14A.comeon B.passaway C.letgo D.goaway 15A.priceless B.constant C.considerate D.countless 16A.qualifications B.ability C.expectations D.exception 17A.pretend B.assume C.believe D.ensure 18A.beautiful B.vivid C.pale D.scary 19A.caringfor B.lookingfor C.bringingup D.cheeringup 20A.trains B.works C.influences D.matters
已知单位向量满足•＝0．若点C在∠AOB内且∠AOC＝60°mn∈R则下列式子定成立的是
假定你是李华你校将举办主题为中国书法的传统文化讲座.请给你的英国校友Eric写一封电子邮件邀请他参加.内容包括: 1.举办目的; 2.主讲人介绍; 3.听讲前的准备. 注意: 1.词数100左右; 2.可以适当增加细节以使行文连贯; 3.参考词汇:中国书法Chinesecalligraphy.
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在△ABC中若sin2A＝sin2C则△ABC的形状是
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IthasbeenfourdaysofdoctorsgivingbadnewsthatIcan'tplayBaseballanymoreLyinghereinmyhot1hospitalbed.IwantbadlytoleavethisplaceIaskmymomto2memykeyswithakeychain﹣asoftpieceof3madefrommyfirstbaseballglovethatI4somuch.Eventhoughitonlyweighsdozensofgrams.itcarriestonsof5.ItcarriesgreatmomentslikehomerunsandchampionshipsaswellasmomentswhereI6andlose.Ijustwanttoholdmypreciousthat7mytruepassion.Intertwined缠绕inthefibersoftheleatheraresomanymemoriesthathave8measaperson. Iamtakentoafieldonahotclearsummerday.I9amixofthejudgesspeakingwiththecoachesonthefieldandthe10shoutingfromthegrandstand.Myteammatesshoesareclickingastheywalkacrosstheseats11waitingforthechampionshipgame.Youcanfeelthepressurethatispushingdownonbothteams.Thejudges12tous:PLAYBALL.Atthatmomenttimespaceandpeopleare13. AllofasuddenI14myeyesasmynursewalksin.Almostanhourhaspassed!I15myfingersupanddownonmypreciousjustfeelingthis16ofthegame.Ittakesmeonawildroadtripthroughmy17whichisnowover.Iambacktoarealityofahospitalbedanda18arm.Thingsseemalittle19now.butIwon'tgiveupmy20forbaseball. 1A.soft B.uncomfortable C.hard D.small 2A.offer B.present C.hand D.show 3A.leather B.wood C.plastic D.cloth 4A.clean B.play C.use D.value 5A.chances B.criterion C.impression D.weight 6A.comedown B.setoff C.strikeout D.hangaround 7A.describes B.symbolizes C.builds D.adds 8A.challenged B.questioned C.promised D.transformed 9A.write B.see C.hear D.meet 10A.players B.audience C.parents D.journalists 11A.patiently B.gladly C.anxiously D.silently 12A.yell B.whistle C.react D.claim 13A.quiet B.shaking C.frozen D.common 14A.close B.open C.cover D.widen 15A.move B.raise C.press D.put 16A.honor B.trip Cskill Dreminder 17A.hand B.brain C.key D.coach 18A.broken B.bad C.strong D.pale 19A.strange B.scary C.pitiful D.tough 20A.passion B.Job C.potential D.qualification
IfyouliveinWashingtonD.C.orRedwoodCalif.youmayhaveglimpsedasmallboxyrobotrollingalongalocalsidewalkmindingit'sownbusinessbutattractingtheattentionofmanyacuriousonlooker.TheautonomousmachineswerepartofapilotprogramlastyearbyStarshipTechnologiesfocusedondeliveringmealsfromlocalrestaurantsindozensofcitiesaroundtheworld. TodaymorethaneverpeopleleadabusyanddiverselifeLexBayerStarship'sCEOsaidinastatementonline.Thehassleofneedingtorearrangeyourlifeforadeliverywillbecomeathingofthepast.Youdon'thavetoswitchyourworkingfromhomedayreschedulemeetingsvisitalockerdrivetoapostofficeorcontactadeliverymanallbecauseofamisseddelivery. Thepackagedeliveryserviceisnotavailabletoeveryonejustyet.Thecompanysaidit'srollingouttheserviceinMiltonKeynesEngland.Thewheeledrobotshaveatopspeedof4mphandcandetectobstaclesfromasfaras30feetaway.TherobotcanoperatethroughjustaboutanythingNickHandrickheadofoperationsforStarship'sD.C.officetoldTheWashingtonPost'sMauraJudkislastyear.Ifyouhadsomethingintheway﹣astick﹣it'sabletoclimbtheedgesofaroad. BygivingcustomerscontrolofwhendeliveriesoccurStarshipTechnologiesisofferingitsserviceasawaytobattlepackagetheft.InitsannouncementthecompanycitedstatisticsfromaWakefieldResearchPollforComcastlastyearthatfoundthat3in10Americanswholiveinhousesortownhouseshavehadpackagesstolen. Tosignupfortheservicewhichcostsalittlemorethan$10permonthcustomersneedtodownloadthecompany'sapp.CustomersthencreateaStarshipDeliveryAddressauniqueaddressinsideaStarshipfacilityinsteadofaresidencewheretheycanhavepackagessentfromplacessuchasAmazon.comOnceapackageisdeliveredtotheStarshipaddresscustomersreceiveatextthatallowsthemtoscheduleahomedeliveryviarobot. 1Whichcanbestreplacetheunderlinedwordhassleinparagraph2? A.failure B.expectation C.safety D.trouble 2Whatproblemisthedeliveryrobotfacing? A.Thereisalimittoitsservicearea. B.Ittakeslongertodeliverpackages. C.Itcoversashortdistanceeachtime. D.Itcan'tsensethebarriers20feetaway. 3Howdoesthepackagebyarobotavoidbeingstolen? A.Thecompanyshortensthedeliveryhour. B.Thepackageisdeliveredtothehousedirectly. C.Itsdeliverytimeisinthecontrolofcustomers. D.Thecustomersareinformedofitsdeliverytimeinadvance. 4WhatcanbeinferredaboutStarshipDeliveryAddressinthelastparagraph? A.Itisarealhomeaddressofthecustomers. B.Itcanarrangedeliveryrobotsforthecustomers. C.Itisacheapersolutiontothedeliveryofpackages. D.Itsendsthepackagesmainlytosomeshoppingplatforms.
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.LastyearZhangPingyupaidvisittoLondon.WorriedaboutthetimeavailableZhangPingyuhadmadealistofthesiteshewantedtosee.ItwastheTowerwhichshevisitedfirst.Fancy!Thissolidstonesquaretowerhadbeenremainedstandingforonethousandyears.Manynewbuildingshadexpandedaroundit.Thereforeitwasstillpartofaroyalpalaceandprisoncombined.TherefollowedStPaul'sCathedralbuiltaftertheterriblefireofLondonin1666.Itlookedsplendidlywhenfirstbuilt.WestminsterAbbeytoowasveryinteresting.ThenjustashecameoutoftheabbeyPingyuheardthefamoussoundoftheclockBigBenringoutthehour.ThenextdayPingyuwasleavingLondontoWindsorCastle.'PerhapsIwillseetheQueen?'shewonderedasshefallasleep.
ItiswithmixedemotionsthatIwenttotheyoungcriminalcentereveryfewmonthstogivevaccinations接种疫苗.OntheonehandIfeelluckytobeabletoprovideaservicethatmayhaveapositivehealtheffectontheresidents.ButontheotherhandIfeelasenseofsadnessanddisappointmentasIseetheprisonersbeingescorted押送byguardstothenursingunit. Mylastvisitwasverymemorable.Forsomereasontherewasalightnessintheair.MorethaneverbeforeIfeltalightnessasIspokewitheachperson.Wesharedstoriesandsmilesandfears.Eventhetoughestprisonersseemedtobesurroundedbylight.AsamotherIsawthemasnotonlyyouthbeingpunishedforcrimesbutalsoaschildrenwhohavethepotentialtochangeforthebetter.Mostofthemwantedtotalklonger!Theywerereachingouttous!Itfeltright. Therewasonemoreprisoner.Hewaslimitedtoadifferentunitinalonelycell.Wewereaskedifwewereokaygoingdownthere.Wesaidthatwewere.Twoguardsescortedusdownandwhenweenteredtheareainstanttearswelledupinmyeyes.Theareawassad.Theseguardsdidn'tsmile.Weenteredthecellandhadtomakedowithwhatwasthere. WeweredonebutIdidn'twanttoleave.Igavethe17yearoldagentletouchandsmileasIexplainedwhattodoregardingthesideeffects.AtfirsttherewasnoresponsesoIjustlookeddownathisbarefeetandthentomysupplies.IthoughtthatIhadbetterpackup.SuddenlyhelookedupatmeandsmiledbeforehesaidThanksandthenhegavemeathumbs﹣up.IsmiledbackandsaidYou'rewelcome.Takecareofyourself. Itwaswonderfultoreceiveakindresponsefromsomeonewhowasinsuchaharshplace.Aswewalkedbacktothemainentrancewedidn'tspeak.Wheretherecanbeasmilethereishope.Sometimessmilescanbeverypowerful. 1Whatcanweknowabouttheyoungintheyoungcriminalcenter? A.Theyreceivedregularmedicalservice. B.Theyweretreatedunfairly. C.Theystayedinbadconditions. D.Theywereforcedtotaketreatment. 2Whatwasspecialaboutthecenterthelasttimetheauthorwentthere? A.Shewasaskedtosharestories. B.Everyprisonerwaskindtoher. C.Theyoungpeopletalkedfreely. D.Shesensedarelaxingatmosphere. 3Whatdidtheyoungmanthinkoftheauthor? A.Hedislikedherforhersympathy. B.Hereallyappreciatedherkindness. C.Hethoughtshewouldchangehislife. D.Hethoughtshewasjustanordinarydoctor. 4Whatimpressedtheauthormostinthisstory? A.Theyoungman'ssmile. B.Themedicalcareforprisoners. C.Thepunishmenttotheprisoners. D.Thedifferencebetweentheyoungmanandothers.
Thereisnobetterwaytoexperienceaplacethanthroughthelocalcuisine.Withseveralfoodfestivalshappeningacrosstheworldfindplentyofmotivationheretohelpyouyou'reyourbagsandgoonaglobalcookingexploration. MaineLobsterFestivalUS ThefestivalinRocklandMaineisnotedforitsseafood.CelebratedduringthefirstweekendofAugustforfivedaysitoffersfirst﹣classentertainmentfineartcookingcontestsandmore.Itisexpectedthatover20000pounds9072kilogramsoflobsterareconsumedduringthecourseofthefestival. OktoberfestGermany The16﹣daytraditionalbeerfestivalinMunichisthelargestofitskindintheworld.HeldinSeptemberandOctoberthe2013editionsawI.84milliongallonsofbeerserved.AwidevarietyoftraditionalGermandishesincludingroastporksausageandpotatoorbreaddumplingsarealsoavailable.In2019the186theditionwillbeginfromSept.21andlastuntiltact.6.Entryisfree. MentonLemonFestivalFrance Takingplacesince1896thisfestivalisheldinFebruaryandMarchinMentonontheFrenchRiviera.Basedonanewthemeeachyearimpressivesculpturesandfloatsaredeco﹣ratedwith140tonnesoflemonfruits.In2019thefestivalwillheheldfromFeb.16toMarch3onthethemeFantasticWorlds. ChinchillaMelonFestivalAustralia ChinchillainQueenslandisknownasthemeloncapitalofAustraliaandeveryotheryearinFebruaryitsresidentscelebratethegloriousredandjuicystickinessofwatermelonswiththisfour﹣dayfestivalwhichincludesmelonracesmelonskiingagiantmelonfoodfightandofcoursehavingyourfillofmelons.In2019thefestivalwillbeheldfromFeb. 14一17. 1Wheredoseafoodloversprefertogo? A.Munich. B.Menton. C.Chinchilla. D.Rockland. 2WhatisthemostpopularatOktoberfest? A.Bread. B.Potato. C.Pork. D.Beer. 3WhatisspecialaboutChinchillaMelonFestival? A.Itistheoldest. B.Itlaststhelongest. C.It'sheldeverytwoyears. D.IttakeplaceinAustralia'scapital.
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InnoparticularorderherearesomesongsontheMusicappofmyphone: OnaSundayAfternoonbyLighterShadeofBrown﹣Astudentofmineintroducedthisrapsongtomeallthewaybackintheearly1990swhenIwasteachingSpanishatalocaluniversity.ThestoryinthesongtakesplacenottoofarfromwhereIliveinLosAngeles.It'sagooddrivingsongnothingcomplicatedordeep. SaySomethingbyAGreatBigWorld﹣Amorerecentsongaboutacouplelosingcontactwitheachother.Thepianopartisverylittleplayingbutbeautiful. AmericanPiebyDonMcLean﹣Anothersongfrommyyouthinthe80sverypopularwithalmosteveryAmericanofmygeneration.Itretellssomeofthekeyeventsofthemiddle20thcenturyasongofhappymemoriesofthepastandwantingtoreturntothosebettertimes. TheWeightbyTheBand﹣Anotheroldsongoriginallymadepublicin1968butoneIdidn'thearuntilIwasinhighschoolmorethan10yearslater.Idon'tunderstandthewordstothesongcompletelybutthefeelingofthesongisverycomfortingtome. UndertheBridgebyRedHotChiliPeppers﹣ThisLosAngelesgroupwroteasongthatIusedtolistentowhenIfirstmovedtoLAmorethan25yearsago.Ididn'tknowanyoneherewhenIfirstarrived.WhenIgotboredIusedtodriveupanddownthemajorstreetsthatcrossthecityfromeasttowestlisteningtothissongaboutthecityofangelbeingaslonelyasIam.Don'tworry!Ihaveplentyoffriendsnow. 1Whatdoestheunderlinedworddeepprobablymean? A.withskill B.withcomfort C.withanormalmeaning D.withasignificantmeaning 2WhendidtheauthorprobablyheartheWeightbyTheBand? A.In1968. B.In1970. C.Inthe1980s. D.Inthe1990s. 3WhentheauthorfirstmovedtoLAthesongheoftenheardwas. A.SaySomething B.AmericanPie C.TheWeight D.UndertheBridge
某中学调查了某班全部45名同学参加书法社团和演讲社团的情况数据如表所示单位人 若从该班随机选取1名同学则该同学至少参加上述一个社团的概率为．
TheInterContinentalShanghaiWonderlandwhichwasbuiltintothesideofa1formalabandonedquarry采石场about20milessouthwestofShanghaihasbeenconsideredtheworld'sfirstundergroundhote1ortheworld's2lowskyscraper. Thetopfloorofthehotelislocatedatgroundlevelwitharoofcoveredingreenerywhile16floorsofthehotelarelocatedbelowground.Underwaterareanothertwofloors3guestscanobserveschoolsoffishthrougha15﹣metre﹣wideglasswindow.Apartfromthoseunderwater4roomeveryroominthehotelfeaturesabalconywithviewsofaglass﹣enclosedartificialwaterfall5rundownthequarrywalls.Thehotelisalsotakingadvantage6itslocationinsideasteep288﹣feetdeepquarryandisprovidingbungee﹣jumpingandrock﹣climbingattractionstothrill﹣seekingvisitors. Thehoteltook10yearstocompletewithtotalcostover﹩151million.Over5000peopleparticipatedinthe7constructofthehotel.ThechiefengineerontheprojectChenXiaxiangsaidhisteamregistered39patentsand8makehundredsoftechnologicalbreakthroughs.It'sbeenafightagainstgravityhesaid. Thehotel9designwitheco﹣friendlyprinciplesproducesitsownpowerheatingandlightingthrough10useofgeothermal地热的andsolarenergy.Roomsstartfrom4000Chineseyuanaround﹩576onsomeonlinehookingsites.
IntheUnitedStatesexpertsarecallingformajorchangestotheadmissionprocessinhighereducation TheNationalCenterforEducationalStatisticsorNCESreportedthatU.Scollegesanduniversitiesreceivedmorethanmillionapplicationsbetween2013and2014andadmittedmorethan5millionstudents.Buttheproblemisnotinthenumberofstudentsanewreportsays.ThereportiscalledTurningtheTide﹣MakingCaringCommon. Thereportarguesthattheprocessschoolsusetochoosestudentscausesmajorproblems.DavidHawkinsistheExecutiveDirectorforEducationalContentandPolicy.Hesaysthatmostcollegesanduniversitiesrequiremanythingsfromstudentswhentheyapply. Schoolsusuallyrequireanessaydescribingastudentsinterestsorwhytheywanttostudyatthatschool.Theschoolsalsoaskforlettersfromteachersdescribingwhyastudentisagoodcandidate.But.Hawkinssays.schoolsaremostconcernedwithastudent'shighschoolgradesandstandardizedtestresults. TheEducationConservancyisanorganizationthatfightstomakehighereducationequalandavailable.LloydThackeristheExecutiveDirectoroftheEducationConservancysayingthatthecollegeadmissionprocesshaschangedalot. Overthepast30yearscollegeadmissionshavebecomemorecomplex.Hesaysthatrankingsystemsforcollegesanduniversitiesareabigpartoftheproblem. U.S.NewsandWorldReportisamediacompanythatcreatesalistofwhatitcallsAmerica'sBestColleges.Thecompanybasesthelistoninformationcollectedfromcollegesanduniversitiesacrossthecountry.ThisinformationincludesresultsofstandardizedtestsliketheSATfromallofaschoolsstudents.Higheraveragetestresultshelpputschoolshigheronthelist. ThackerclaimsToomanystudentsarelearningtodowhateverittakesinordertogetaheadevenifthatmeanssacrificingtheirownindividualitytheirhealththeirhappinessandbehavior…… Theimpactonstudentsandonparentsisthatcollegeisallaboutwhereyougo.Therankhasnothingtodowiththequalityofeducationthatgoesonatthecollege. TheHarvardreportstatesthatthebestwaytochangetheadmissionprocessisbychangingcollegeapplications. 1Whenchoosingstudentscollegesanduniversitiesattachgreatestimportanceto. A.theirteachersopinion B.theirpersonalinterest C.theiracademicperformance D.theirreasonsforapplication 2Themediacompanyrankstheschoolsonthebasisof. A.peoplesattitudetowardstheschools B.employmentrateofitsgraduates C.theschoolsteachingquality D.informationliketestresults 3WhichofthefollowingdoesLloydThackerprobablyagreewith? A.Collegesaresupposedtoadmitmoreandmorestudents B.Itisnecessarytoapplyforaproperuniversitybyreferringtotherank C.Thereislittlerelationshipbetweencollegesrankandthequalityofeducation D.Thebettertheapplicantsgradesarethemorelikelytheywillbeadmitted 4Whichofthefollowingisthebesttitleofthepassage? A.HigherRankingsMatteraGreatDeal B.CollegesLooktoChangeAdmissionProcess C.CollegesAdmissionProcessMakesaDifference D.TestingResultsDetermineStudentsFate
IfyouhaveeverfoundyourselflookingforyourkeysmisplacingyourcellphoneorwantingtokeeptrackofyourbicycleorcarthentheTrackRadevice装置thatworkswithyoursmartphonecreatedbyaCalifornia﹣basedcompanyisforyou!At﹩29.95eachnotliketheexpensiveGPSsystemsorwithTrackRPackpurchasedealsyoucan'taffordnottohaveone! Install安装thefreeTrackRapponyoursmartphone.Connecttheapptoyourdeviceandthenyouarereadytogo!SimplyattachtheTrackRtowhateveryoudon'twanttolose.Theentireprocesssettingituponlytakes5minutesorless. IfyouhavethehardTrackRyoucanjusthideitunderyourcar'sfloormat.Inthetrunkorsomewhereitwon'tbefoundifyourcargetsstolen.IfyouforgetwhereyouparkedyourcartakeoutyoursmartphoneandopentheTrackRapp.Taponthelostitemicononthescreenandtheappwilltellyouexactlywhereitis. Youcanalsoattachittoyourpet.Putitontheircollarandtheproblemofsearchingforthemastheyrunofftonearbyplaceswillbeover!Attachittoyourkeysandwalletandneverwasteaminutesearchingthewholehouseforit.TheaffordableTrackRevencomeswithadouble﹣sidedadhesive黏合剂soyoucansticktoyourlaptoporunderyourbikeseat.Trackdownandpunishthethieveswhostealyourexpensivethings!TheconvenienceandtheabilitytofindactuallyanyobjectmeansthatTrackRisoneofthemostusefularticlesthatyou'llfindforanyprice.Howeverthebestthingitcangiveispeaceofmindanditdoesn'tgetanybetterthanthat. 1WhatisParagraph2mainlyabout? A.HowtheTrackRworks. B.ThefeaturesoftheTrackR. C.WhytheTrackisinvented. D.TheadvantagesoftheTrackR. 2WhatcantheTrackRhelppeopledo? A.Walktheirpetsnearby. B.Recognizethethives. C.Seektheirmisplacedcar. D.Findthemaparkingplace. 3WhatcanweinferabouttheTrackR? A.It'sfarfromaffordable. B.It'sonsaleworldwide. C.Itcanbeeasilyfolded. D.It'ssmallinsize. 4What'sthebesttitleforthetext? A.TrackR﹣nolimits B.TrackR﹣﹣﹣noworries C.TrackR﹣﹣﹣youritemprotector D.TrackR﹣﹣﹣yourfinancialmanager
某中学举行高广播体操比賽共10个队参赛为了确定出场顺序学校制作了10个出场序号签供大家抽签高一1班先抽则他们抽到的出场序号小于4的概率为
Haveyoueverwantedtoknowwhatadecoratorwasthinkingwhilechoosingmaterials?1Herearetipsyoushouldknowbeforeyoubuyplantsatthenursery. Anyplantsyoupickwillbeeasiertogrowiftheylikethespaceyou'replantingthemin.Sofirstgetagoodsenseoflight.Isthespotsunnyalldayorisitonlysunnyintheafternoon?Ifthespotdoesn'tseemuchdirectsunlookforshade﹣lovingplants.2Italsoinvitesattackfromdiseaseandpests. 3Afteraheavyraindoesitdryoutafteracoupleofdaysorstaywetforawhile?Plantsthatlikethesoilonthedrysidearerottenwhentheirrootsstaywet.Plantsthatdon'tlikeitdrywillfadeawayiftheydon'tgettodrinkenough.Knowingaboutthesoilhelpsyougrowhealthyplants. Howmuchspacedoyouhave?4Whatlooksliketheperfectplantmightheaburdenifitgrowstoobig.Youhavetoprune修剪itbackeverymonthjusttousethesidewalkorseeoutofwindows. Thelastthingyoushouldknowistoconsideryourownsparetime.Someplantsneedmorecarethanotherswhileothersneedless.5Varietieslikepurpleconeflowerforexampleneeddeadheadingtokeepproducingnewflowersandtopreventalotofyoungplants.Theygrowfinewithoutanycareinashortperiod. A.Howmuchyouwanttowater? B.Afteryouknowwhatthelightislikefocusonthesoil. C.Placingsun﹣loversbeneathatreekeepsthemfromflowering. D.Doyouwonderhowtoshoptherightplantsforyourcourtyard? E.Puttingmatureplantsinasunnyspotresultsinlargerandgreenerleaves. F.Payattentiontotheplants'maturesizeandknowwhatspaceyouhavetofill. G.Thereforeheawarehowmuchtimeyou'rewantingtospendtakingcareofthem.
假定你是李华你想邀请在中国留学的英国好友Peter观看京剧表演但Peter不在家你给他写张留言条内容要点: 1你到Peter家的目的; 2介绍京剧; 3询问什么时候方便再约时间观看. 注意: 1词数100左右; 2可以适当增加细节以使行文连贯; 3开头语和结尾语已为你写出. 参考词汇:quintessence精华精粹;ornate华丽的 DearPeter Yours LiHua.
Whilestaringoutofthewindowduringaflightnoteveryonewillthinkcarefullyaboutthequestionwhyairplaneshaveroundedwindowsratherthansquareones. Overtheyearsaerospaceengineeringhasmadehugestepsinairplanetechnologymeaningplanescancarrymorepassengersandgofaster.Theplaneshavealsochangedshapetoincreasesafety﹣includingthewindows.Ascommercialairtraveltookoffinthemid﹣20thcenturyairlinecompaniesbegantoflyathigheraltitudestolowertheircost﹣theairdensity密度isloweruptherecreatinglessdrag阻力forairplanes.Howeverhigheraltitudescamewithproblemslikethefacthumanbeingscan'treallysurviveat30000feet.Tomakethatpossiblethecabinwaschangedtoacylindrical圆柱体shapetosupportthepressureinside.Butatfirstplanebuildersleftinthestandardsquarewindowsandthisexpansionmeantdisaster.ThedeHavillandCometcameintofashioninthe1950s.Withaclosedcabinitwasabletogohigherandfasterthanotheraircraft. Howeverwherethere'sacornerthere'saweakspot.Windowshavingfourcornershavefourpotentialweakspotsmakingthemlikelytocrashunderstress﹣suchasairpressure.Bycurvingthewindowthestressthatwouldeventuallybreakthewindowcornerisdistributedandthechanceofitbreakingisreduced.Roundedshapesarealsostrongerandresistdeformation变形andcanthussurvivetheextremedifferencesinpressurebetweentheinsideandoutsideoftheaircraft. Fortunatelydesignersfiguredoutthelackofdesignprettyquick.Nowwehaveniceroundedairplanewindowsthatcanresistthepressureoftravelingaltitude.Itgivesbeingabletogazeoutofyourwindowtotheworldfrom35000feetawholenewoutlookdoesn'tit? 1Whydidairlinesaimtoflyathigheraltitudes? A.Toincreasesafetyoftheplane. B.Tohelptheplanetotakeoff. C.Tosavemoneyforlessdrag. D.Tocarrymorepassengersandgofaster. 2WhatdoestheunderlinedwordsdeHavillandCometinParagraph2referto? A.Aplanet. B.Aband. C.Anaircraft. D.Adesign. 3Whichistheadvantageoftheroundedwindow? A.Itreducesthepossibilityofbreakingup. B.Itweakensthestrengthofairpressure. C.Itincreasestheairpressure. D.Ithelpstosurvivetheextremeweather. 4Wheredoesthistextcomefrom? A.Anewspaperonsafedriving. B.Amagazineonfashiondesign. C.Awebsiteonsurvivalskills. D.Asciencebookonflying.
已知三个事件ABC两两互斥且PA＝0.3P＝0.6PC＝0.2则PA∪B∪C＝．
Haveyoueverspentanafternooninthebackyardmaybegrillingorenjoyingabasketballgamewhensuddenlyyounoticethateverythinggoesquiet?Thereisanoldphrasecalmbeforethestormoftenusedinasituation﹣aquietperiodjustbeforeagreatactivityorexcitement.Accordingtoourownexperienceweknowthereisactuallycalmbeforethestorm.Butwhatcausesthiscalm?Andisitalwayscalmbeforethestorm?Let'shearwhatscientistshavetosay. Aperiodofcalmhappensinaparticularkindofstormthesimplestkindofstorm﹣asingle﹣cellthunderstorm.Inthistypeofthunderstormthereisusuallyonlyonemainupdraftwhichiswarmdampairanddrawnfromplacesneartheground.Stormsneedwarmanddampairasfuelsotheytypicallydrawthatairinfromsurroundingenvironment.Stormscandrawintheairthatfittheirneedfromalldirections﹣evenfromthedirectioninwhichthestormistraveling. Asthewarmdampairispulledintoastormsystemitleavesalow﹣pressurevacuum真空comingafter.Therisingairmeetsthecolddryairthathasalreadyexistedinthestormcloudsthusthetemperatureofthewarmdampairdropsandthewatervapour水蒸汽initchangesintotinydropsthatareapreconditionofrain.Thesedropsaccumulateandbuildonlargerparticleslikedustuntiltheygrowlargeenoughtoformraindrops. Thiswarmdampairkeepsmovingupwardsbutitbecomescooleranddrierduringitstripthroughcloud.Whenitreachesthetopofthecloudtheairgetsspitout被挤出atthetop.Thisairissentrollingoutoverthebigthunderclouds.Fromtheretheairgoesdown.Warmanddryairisrelativelystableandonceitcoversaregionthatairinturncausesthecalmbeforeastorm. Mostthunderstormsthoughdon'tstartwithcalm.That'sbecausemostareactuallygroupsofstormswithcomplexwindpatterns.There'ssomuchairmovingupanddownstormgroupsthatthecalmbeforethestormneverhappens.Insteadbeforethestormitmightbereallywindy! 1Whichbestfitsthedescriptionofaparticularkindofstorm? A.Astormwithairdrawnfromeverydirection. B.Athunderstormwithoutstrongwinds. C.Athunderstormwithasingleshape. D.Astormfueledbymovingairfromtheground. 2WhatdoestheunderlinedworditinParagraph3referto? A.Coldanddryair. B.Warmanddampair. C.Coldanddampair. D.Warmanddryair. 3Whichdoesthewritermostlikelyagreeto? A.Presenceofthecalmreliesonstableair. B.Stormhappenswithoutairmovingupanddown. C.Thedriertheairisthebiggerthestormwillbe. D.Notallthunderstormsstartwiththecalm. 4Whatisthepassagemainlyabout? A.Causesandeffectsofaheavystorm. B.Anexplanationofthecalmbeforeastorm. C.Apersonalexperienceofaheavystorm. D.Abriefdescriptionofapeacefulstorm.
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Ʌ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. My71﹣year﹣oldgrandparunasmallfoodstandinanightmarketinmycityprovidelocalsnacksforpeopleworkingovertime.Receivingpaymentshasalwaysbeenaproblemforhimbeforemyhelp.Heoftenhadtofeelinhispocketforchangesoncoldnightswhilekeepingeyeonfoodintheoven.AfterlearningthisIhelpedhimsetupwithmobilepaymentappslikeWeChatPayandAlipay.MygrandpaiscontentwithwhichIdidforhimforabout95percentofhiscustomersnowpaywithhisphones.Mobilepaymenthasbecomeanessentialpartofoureverydaylife.Itnotonlydeepchangesthelifeofyoungpeoplebutalsoprovidesconvenientfortheelderly.
IntheUKwethrowawayabout2.5billiondisposable一次性的coffeecupseveryyear.Thebedthingisthelayerofpolyethylenethatdoesn'tletthecupleakandthelidwhichismostoftenmadeofpolystyrene.Thismakesthemabitofabarrier.Asaresultmostofthecupsendupinlandfillthoughtheyarerecyclableintheory. Butthereareeffortsunderwaytosettlethisproblem.OnecompanyBiomeBioplasticshascomeupwithafullyrecyclablecupthatusesnaturalmaterialssuchaspotatopowder.Mr.Minesitsgeneralmanagerbelievesthatthisisthefirsttimethatbioplastichasbeenusedfordisposablecupsandlidsthathavetodealwithhotliquid.Andthey'restillfullyrecyclable.AnothersolutionhasbeenputforwardbyFrugalpac.Theyhavepatentedacupwithalightly﹣attached一lacticinn.一layer.ThiscanbeeasilyseparatedduringtherecyclingandoffersamorepracticalsolutionthanchangingourcurrentrecyclinghabitssaysFrugal﹣pac'sfounderMartinMyerscough. SafiaQureshisaysIndiahasprovidedtheinspirationforhersolution.SheputsforwardthatweusereturnableandreusablecupswhicharetrackedandcollectedbyhercompanyCupClub.Theywillberesponsibleforcollectingwashingandredistributingthecleancupstoparticipatingtradesmen.OnefinalcreativeapproachcomesfromCupffee.Theyhavecombinedgrainstoformacupwhichcanbeconsumedoncethedrinkisfinished.Itcanholdacoffeeforupto40minutesandwillbiodegrade生物降解withinweeks. Whetheranyoftheseideasisaperfectfitforthisdisposableproblemonlytimewilltell.Allitmayrequireisalittlemorethinkingoutsidethebox. 1WhatdoweknowaboutthedisposablecoffeecupsintheUK? A.Fewarerecycled. B.Theyarestronglydesigned. C.Theyhavequalityproblems. D.Mostareenvironmentallyfriendly. 2WhatcanweinferaboutFrugalpac'scus? A.Theyareeasytopatent. B.Theyarepartlyrecyclable. C.Theyenjoygreatpopularity. D.Theysuittraditionalrecyclinghabits. 3InwhatwayareCupffee'scupsdifferentfromothers? A.Theyaretime﹣consumingtoproduce. B.Theycanbreakdowninstantly. C.Theyaretoeveryone'staste. D.Theycanbeeatable. 4Whatcanbeasuitabletitleforthetext? A.BadHabitsofUsingCoffeeCups B.ProblemwithCurrentCoffeeCups C.CreativeWaystoRecycleCoffeeCups D.ReasonsforProducingNew﹣styleCoffeeCups
InmanyplaceslikeBritainandItalyifyouleavethehousewithoutyourwalletyou'llbeinatoughsituationallday.ButinChinayoucanenjoyyourdayjust1asmartphone. TheotherdayIsetout2seehowfaraphonewouldgetmeinthecountry'scapital.AdmittedlyIwassurprisedtodiscoverhow3convenienceitwas. IusedmyphonetocallataxitomeetmyChinesefriendGuYu4wouldguidemetogetaroundBeijing.Wepaidforbreakfastby5scanaQRcodeonthewindowofarestaurantsellingjianbingoneofChina'smostpopularstreetbreakfasts.Mypurchasecost6yuanand6takejustafewseconds.Atanearbycoffeeshop7itownerscannedaQRcodeonmyphone.AswesippedourcoffeeGuYupaidherhouseholdwaterbill.Sheusedthesamesimpleprocesstopayotherbillsandevenherrent.Wealsopaidbyphoneformovieticketstakeoutfoodshoppingandfor8deliver. IhaveknownfromGuYuthatfromtinystreetstandstolargechains9hugenumberofpeopleacceptmobilepayment10mostthroughpopularappsAlipayandWeChat.
Helicopterparentingreferstoastyleofparentswhoareoverfocusedontheirchildren. 1Forexampleitcanincreasefeelingsofloveandacceptance.Howeverhelicopterparentingmaybeharmfultochildren'sdevelopmentinthefollowingways. Decreasedconfidenceandselfesteem自尊.Themessagetheparents'overinvolvementsendstokidsismyparentsdon'ttrustmetodothisonmyown.2 Increasedanxiety.AstudyfromtheUniversityofMaryWashingtonhasshownthatoverparentingisassociatedwithhigherlevelsofchildanxietyanddepression. Undevelopedproblemsolvingskills.Ifparentsarealwaystheretocleanupachild'smessorpreventtheprobleminthefirstplacehowdoesthechildeverlearntodealwithlossdisappointmentorfailure?3 Strengthenedsenseofentitlement权利.Childrenwhohavealwayshadtheirsocialacademicandathleticlivesadjustedbytheirparentstobestfittheirneedscanbecomeaccustomedtoalwayshavingtheirwayandthustheydevelopasenseofentitlement. 4Parentswhoalwaystieshoesclearplatesandpacklunchesevenafterchildrenareabletodothetaskspreventtheirchildrenfrommasteringtheselifeskillsthemselves. Soparentsshouldletchildrenstruggleallowthemtobedisappointedandwhenfailureoccurshelpthemtoworkthroughit.5Remember:takingonestepbackfromsolvingchildren'sproblemswillhelpbuildtheindependentandselfconfidentkids. A.Weakenedlifeskills. B.Damagedlifeexperiences. C.Andthisdistrustleadstoalackofconfidence. D.Helicopterparentinghasmanybenefitsforchildren. E.Parentsshouldalsoletchildrendotaskstheyarephysicallyandmentallyabletodo. F.Makingyour3yearold'sbedsoundsreasonablewhilemakingyour13yearold'sbeddoesn't. G.Studiesfoundhelicopterparentingcanmakechildrenfeellessableindealingwiththestressesoflifeontheirown.
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Ʌ并在其下面写出该加的词. 刪除: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 Beingaseniorstudent.IlikeEnglishmorethananyothersubject.BesideshavingEnglishlessonsatschoolIgototheEnglishCornerintheparkwhereisnearmyhomeatSaturdaymornings.ItsetuptwoyearsagowiththepurposeofhelpingstudentsmakeaprogressinEnglish.Manyhighschoolstudentsregulargatherhere.Sometimes.somecollegestudentsorevenforeignfriendsarepresentattheEnglishCorner.TherewepractisespokenEnglishtalkedaboutwhatweareinterestedinintroducingourexperienceinlearningEnglishandsoon.IhadgreatlyimprovedinEnglishsinceIattendedthemforthefirsttime.
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