首页
试卷库
试题库
当前位置：
X题卡
>
所有题目
>
题目详情
铬及其化合物在工农业生产中具有广泛应用，请回答下列问题： （1）基态铬原子的核外电子排布式为 ，属于元素周期表中的 区元素． （2）Cr3+能形成配离子[Cr（H2O）（H2NCH2CH...
查看本题答案
包含此试题的试卷
高三下学期化学《》真题及答案
点击查看
你可能感兴趣的试题
生产经营目的.是指为工农业生产或者为商业经营的目的其范 围十分广泛
化学在工农业生产和日常生活中的广泛应用一定程度上促进了人类文明的进步和社会的可持续发展下列有关化学在
在寒冷的冬天，我们可以用氯化钠来作融雪剂
可以将草木灰(含K
2
CO
3
)与氯化铵混合施用，提高肥效
焙制蛋糕时，常常使用小苏打作发酵粉
生活中可以用燃烧的方法来鉴别羊毛和合成纤维
人类的日常生活和工农业生产离不开水.请回答1水填属于或不属于人类所需的六大基本营养素之一.2含有较多
人类的日常生活和工农业生产离不开水.请回答1水填属于或不属于人类所需的六大基本营养素之一.2含有较多
氨气在工农业生产中有重要应用氮原子的最外层的电子排布式是______________氮原子核外共有_
中和反应再日常生活和工农业生产中有广泛的应用请说出中和反应在实际生活中的应用
人类的日常生活和工农业生产离不开水请回答1含有较多可溶性钙镁化合物的水叫做________填软水或硬
工农业生产中广泛使用的是滑动轴承且已标准化生产
对环境危害极大的酸雨是由于工农业生产中排放过多的SO2气体造成的
人类的日常生活和工农业生产离不开水.请回答①澄清的矿泉水填是或不是纯水②含有较多可溶性钙镁化合物的水
人类的日常生活和工农业生产离不开水请回答1水填属于或不属于人类所需的六大基本营养素之一2含有较多可溶
下列不属于纤维素酶在工农业生产中的应用是
饲料添加剂
白酒的生产
牛奶加工
纺织
纤维素酶在工农业生产中的应用是
饲料添加剂
白酒的生产
蔬菜
纺织
离子选择性电极已经广泛用于工农业生产常用的离子选择性电极等
锅炉除排出大量烟尘外同时还伴有二氧化硫氮氧化合物等有 害气体严重地污染了环境对身体健康工农业生产和气
在工农业生产中具有广泛用途的各种变压器电动机都是利用______原理工作的
胶体的介稳性在工农业生产和日常生活中有着广泛的应用下列现象要破坏胶体介稳性的是
生产涂料
配制墨水
明矾净水
用石膏使豆浆变成豆腐
中和反应在日常生活和工农业生产中有广泛应用3分1农业上可用来降低土壤的酸性改良土壤结构的物质是2医疗
电解质不仅在工农业生产中占有重要地位而且在各种生命活动中也起着重要作用则下列有关电解质的叙述正确的是
化合物都是电解质
电解质一定是化合物
SO
2
溶于水形的溶液能导电，所以SO
2
是电解质
NaCl固体不导电，所以NaCl不是电解质
下列说法正确的是
无色透明的水都是纯净物
冰、水共存物是混合物
水资源是取之不尽、用之不竭的
工农业生产中常利用水来溶解物质
热门试题
更多
求阴影部分面积．
Icansharewithherourtravellingexperiencestakingcareofpetsor____wehaveincommon. A.whatever B.whichever C.nomatterwhat D.nomatterwhich
一个由相同的小正方体摆成的几何体从正面和左面看到的形状都是从上面看到的形状是．摆这个几何体用了个小正方体．
有7个好朋友见面每2人握一次手一共要握14次．判断对错
鞋的尺码通常用“码”或“厘米”做单位它们之间的换算关系是b＝2a﹣10b表示码数a表示厘米数．小明今年的脚长为23厘米他要穿码的鞋等小明要穿40码鞋的时候他的脚长厘米．
假定你是李华你的美国笔友来信说他的兄弟Tom下学期将来中国留学希望在中国留学期间找一个寄宿家庭.请你写一封信邀请Tom到你家居住并说明理由. 注意 1.词数100左右 2.可适当增加细节以使行文连贯. .
阅读下面材料在空白处填入适当的内容1个单词或括号内单词的正确形式. AcompanyintheUSAispayingitsworkerstosleepmore.StaffattheinsurancecompanyAetnawillget300ayear61addtotheirsalaryiftheygetatleastsevenhoursofsleepanight.Theywillgetjustoveradollarforeachnighttheysleepoversevenhours.Theideabehindthisplanisemployee62perform.Humanresources63officialsayworkerswillworkmoreeffectivelyiftheyhavesleptwell.Aworkforcethatismorerestedmeansthecompanywillperform64well.Staffcaneitherrecordtheirsleepautomatically65useawristmonitororrecordbyhandhowlongtheyhaveslepteverynight. 66numberofstudieswarnthatnotsleepingenoughcanaffectourabilitytodoourjob.TheAmericanAcademyofSleepMedicinesaidthattheaverageworkerintheUSAloses11.3workingdaysofproductivityayearfromalack67sleep.This68costcompaniesabout2280foroneworker.Itestimates估计thattheUSeconomyloses63.2billionayearmainly69workersdonotsleepmorethansevenhoursanight.A2015studybytheRandCorporationshowedthatstaffmemberssleepinglessthansevenhourspernight70findfarlessproductivethanworkershavingeightormorehoursofsleep.
用你喜欢的方法解答． +×27 ×0.32+0.68÷ ÷〔×1﹣〕 32×25×1.25．
WhenIwasstrollingintheparkonedayIpassedsomechildrensellinghotchocolate.OnegirlaskedWouldyouliketohelpsupportourpark?It'sonly50rentsacup.OfcourseIcouldn'thelpbeingextraordinarily1thatkidsshowedgreatinterestin2theircommunity.Theywerehavinggreat3pouringhoichocolateandfeelingproudthattheywerehelpingalocalcause.Itthatthey4graspedabasicideaabouthelpingothersItfeels5. Teachingourchildrentohelpothersbenefitsthemagreatdeal.6bringsthempeaceofmind.Servingthoseinneedalsohelpschildrenlearntomakea7﹣thattheyhavethe8tomakeapositiveimpact.This9asenseofcontrolhelpingthemfeellessfrightened.Italsoreassuresthemthathelpwouldbe10iftheywereeverindanger. Anotherimportant11isthatwearealldependentoneachother.Whenchildrenserveotherstheylearnto12someoneelse'sgreaterneedandto13otherpeople. Therearemanyother14ofmakingcharityapartofyourfamily'slife.You'llmeetnewfriendsanddeveloprelationships.Runningabakesalewillgiveyourkidsachancetopractice15suchasfundraisingmoneymanagementandteamwork.Self﹣explorationanddiscoverywill16throughtheirchoiceofactivities. Ifachildcanbecomeacheerfulcharitablegiverheorshemusttrydifferentvolunteerefforts.Whenyouseethemenjoyingthe17ofthemencouragethemto18. OnmyownexperienceIcansaydevelopingthegood19ofcharitablegivingwillbecome20toyourbestfamilymemoriesandcelebrations. 1A.worried B.impressed C.doubtful D.grateful 2A.organizing B.cleaning C.improving D.controlling 3A.difficulty B.success C.advantage D.fun 4A.already B.seldom C.never D.often 5A.boring B.strange C.great D.relaxing 6A.Teaching B.Giving C.Thinking D.Learning 7A.choice B.promise C.mistake D.difference 8A.ability B.right C.freedom D.time 9A.promotes B.reduces C.reflects D.protects 10A.impossible B.flexible C.available D.reasonable 11A.example B.lesson C.question D.secret 12A.takeover B.searchfor C.relateto D.giveup 13A.believein B.lookfor C.turnto D.careabout 14A.disadvantages B.benefits C.contributions D.methods 15A.activities B.moves C.skills D.behaviors 16A.stay B.miss C.come D.get 17A.equality B.fruit C.effect D.independence 18A.continue B.explain C.observe D.communicate 19A.aspect B.meaning C.habit D.way 20A.hard B.central C.obvious D.Serious
MichaelPhelpshasbrokena2000﹣year﹣oldOlympicrecordbywinningmoreindividualtitlesthanLeonidasofRhodes.Whowasthisathletewhoserecord12individualtitleshastaken2000yearstobeat? Phelpshasatotalof22Olympicgoldmedalsbutintermsofindividualtitleshehasonlyjustpassedthegreatestathleteoftheancientworld.LeonidasofRhodescompetedinfourOlympiadsin164BC160BC156BCand152BCandineachofthesehewonthreedifferentfootraces. Thethreeeventsatwhichhewonwerethestadionasprint短跑ofroughly200mthediauloswhichwastwicethedistanceofthestadionandtheraceinarmour盔甲. Unlikemostracestheraceinarmourrequiredcompetitorstowearheavyarmourpossiblyincludingahelmetabreastplateshinarmourandashieldmadefrombronzeandwood. Hebrokethroughthedistinctionbetweensprintersandendurance耐力athletessaysPaulCartledgeprofessorofclassicsattheUniversityofCambridge.Theraceinarmourhadnotpreviouslybeenconsideredsuitableforsprinters.Theywererunninginarmourthetemperaturewouldbe40℃.Youcanimaginehowitwouldbeinthatrace.Itrequiredcompletelydifferentmusclesandgymnasticskills. ThereisverylittlebiographicalinformationaboutLeonidasandnoimagesofhimsurvivesaysCartledge.Buthisname﹣comingfromtheGreekwordforlion﹣suggestshewasamanofdistinction.AfterhisdeathhewasrespectedasalocalgodinRhodessaysSwaddlingthedirectorofamuseum.HewasalsoveneratedinancientGreekliterature.Pausaniasdescribedhimasthemostfamousrunner.Inthe3rdCenturyPhilostratustheAthenianwroteinhisGymnastikosthatLeonidas'sachievementprovedthatnotallreceivedwisdomaboutathletictrainingandbodytypeswastrue. AstatueofhiminRhodesdisplayedthelegendHehadthespeedofaGod.QuiteareputationforPhelpstoliveupto. 28.HowmanyindividualtitleshasPhelpswonintheOlympics? A.22. B.13. C.12. D.9. 29.Whatcanbeinferredfromthetext? A.Theconditionsofraceinarmourwereunpleasant. B.Leonidaswasaswimmerwithspeedandendurance. C.Leonidasdidn'thavehispicturedrawninhisday. D.PhelpsowedhissuccesstotheinfluenceofLeonidas. 30.Theunderlinedwordveneratedisclosestinmeaningto. A.accepted B.collected C.shaped D.honoured 31.Whatquestiondoestheauthormainlydiscuss? A.WhowasPhilostratustheAthenian? B.WhoisMichaelPhelps? C.WhowasLeonidasofRhodes? D.WhoisPaulCartledge?
下面题中的两个关联的量 小红从家到学校已走的路程和剩下的路程．
1.AddingaPDFtoaKindleviaEmail 1.LocateyourSend﹣to﹣Kindleemail.ThisisaspecificKindleemailaddressthatisattachedtoeachKindledeviceorapp.YoucanfindyourKindleemailaddressbyvisitingtheManageyourDevices''pagefromyourAmazonprofile. •LogintoyourAmazon.comaccount.FromthereclickontheYourAccount''buttonfromthetoolbarattowardsthetopofthepage. •ScrolldownthepageuntilyouseetheDigitalContent''section.ClickontheManageYourContentandDevices''link. •Nowyou'llseethreetabstowardsthetopofthepage.YourContent''YourDevices''andSettings''.ClickontheYourDevices''Tab. •LocateyourKindleandclickonit.Fromthereyou'llseesomeinformation.YourKindleemailwillbedisplayedalongwiththetypeofKindleyouownandtheserialnumber. 2.Addapersonalapprovedemailtoyouraccount.InordertosendemailstoyourKindleandreceiveyourfileseffectivelyyouneedtomakesurethattheemailyou'resendingyourPDFfromisapproved. •NavigatetothePersonalDocumentSettings''pagefromyourManageyourKindlePage''. •FromthesamepagewhereyouviewedyourSend﹣to﹣Kindle''emailclickonthethirdtabattherighttheSettings''tab. •InthesettingstabfromtheManageYourContentandDevices''pagescrollallthewaytowardthebottomofthepageuntilyouseetheApprovedPersonalDocumentE﹣mailList''section. •Hereyoucanseewhichemailaddressesyouhavealreadyapprovedandaddanewemailaddressifyouwish. 3.SendyourPDFasinanemail.NowsimplyopenyouremailandaddressannewemailtoyourSend﹣to﹣Kindleemailaddress.ClickthepaperclipicononyouremailtoattachafileandlocateyourPDF. •IfyouwanttoautomaticallychangeyourPDFtoAmazon's.azwfiletypeforbetterintegrationtypeconvertintothesubjectline. •Youdon'tneedtoincludeanythingelseinyouremail. •MakesurethattheemailyouaresendingyourPDFfromisonyourapprovedlist. 56.WhatistherightorderoflocatingyourSend﹣to﹣Kindleemail? ①clickonYourDevices ②clickonYourContent ③clickonSettings ④visitManageyourDevices ⑤clickonYourAccount ⑥clickonManageYourContentandDevices A.④⑥②③B.⑤⑥①③C.④⑤⑥①D.⑤②①③ 57.InordertoaddaPDFtoaKindleyouwillhaveto. A.createyourKindleemail B.changeyourPDFtype C.haveanemailapproved D.openanewemailaccount.
二十亿八千万写作
拉萨市平均每天的日照时间为8.22小时．先估算一下再计算拉萨全年的日照时间大约是多少得数凑整到个位一年按365天计算
已知平行四边形的面积是20.4cm2图中涂色部分的面积是
科学课上四个实验小组分别调了一杯蜂蜜水．这四杯蜂蜜水中最甜的是
Ifyouhaveadaughtertakethetimetoreadthis.Itcouldsaveheralotofheartache.Nottomentionstomachachesheadachesmisseddaysofschoollowergradeseatingissuesanddepression. Thesadtruthisthateveryschoolwhetherpublicorprivatehasmeangirls.Ibetyoucanstillevenrememberwhotheyarefromyourschool.AsaschoolconsultantandmotherofthreedaughtersIknowfirsthandbothpersonallyandprofessionallyhowmuchithurtswhengirlsaretargetedbybullies恃强凌弱者. Theoldsayingsticksandstonesmaybreakmybonesbutwordswillneverhurtmecouldn'tbefurtherfromthetruth.Whileboysusuallybullythroughintimidation胁迫girlsbullythroughexclusionalsocalledrelationalaggression.Here'sanexampleofacaseofrelationalbullyingtakenfrommyexperienceasaschoolconsultant HeatherwasmiserablebecauseagirlinherclassLesliewasnotonlysayingmeanthingstoherfacebutgettingtheothergirlsintheclasstoexcludeherwiththeageoldlineYoucan'tbefriendswithmeifyou'refriendswithher.InoursessionsHeatherwouldcomplainthatshedidn'thaveanyonetoplaywithbecausegirlswereafraidthatiftheyhungaroundherthey'dbecomeLeslie'snexttarget. InordertoimprovethesituationIhadtonotonlyreducethepowerLesliehadbutempowerHeatheraswell.Herearesomeideasthathelpedadaptedforusebyparents Askforspecificswhenyourdaughtermentionsbullying.Who?Where?How? Telltheprincipalandclassroomteacherthespecificsofhowsheisbeingbullied.Havethemtellotherteachersi.e.gymartmusichallwaymonitorsandcafeteriastaffsothateveryonewhocomesincontactwithhercanbeonthelookoutandreadytointerfere. Explaintoherthatreportinganincidentisnotthesameastattling打小报告andhavehertellanadultatschoolwhensheisbeingbullied. Teachhertoconveyself﹣confidencebywalkingconfidentlywithherheadup.Bulliestargetthosetheythinkareweaker. Arrangeopportunitiesforyourdaughtertosocializewithherfriendsoutsideofschooltohelphermaintainastrongsocialsupportsystem. InHeather'scasethesestepsrelievedtheproblem.Butbecauseit'stoughertocatchgirlbulliesit'sextremelyimportantforgirlstotellanadultiftheyarebeingbullied.Unlikeboyswhousuallybullyphysicallymeangirlsoftenspreadrumorswhisperastheirtargetwalksbytalkloudlyaboutapartyshewasn'tinvitedtogiveherthesilenttreatmentandasdiscussedabovetellothersnottobefriendswithher.Schoolpersonnelaretheretohelpbutinordertodoanythingtheymustknowaproblemexists!
一个圆锥的底面半径是4厘米高是6厘米．和它等底等高的圆柱的体积是立方厘米．
ABOUTBCBOOKPRIZES TheBCBookPrizesestablishedin1985celebratetheachievementsofBritishColumbiawritersandpublishers. ThesevenPrizesarepresentedannuallyattheLieutenantGovernor'sBCBookPrizesGalainthespringwiththewinnerofTheLieutenantGovernor'sAwardforLiteraryExcellencebeingannouncedbeforehandattheannualBCBookPrizesSoireeaneveningparty. ThePrizesareadministeredandawardedbymembersofanon﹣profitsocietywhorepresentallaspectsofthepublishingandwritingcommunity. GeneralCriteria •ThebookmusthaveanISBNInternationalStandardBookNumber. •Thebookmusthaveaprintrunofatleast350copies. •Thebookmustbeatleast48pageslongunlessitisachildren'spicturebookinwhichcaseitmustbeatleast24pageslong. •Thebookmustshowinprintthatitwaspublishedintheappropriateeligible具备条件的year. •ThemainlanguageofthebookmustbeEnglish. •Threecopiesofthesubmittedbookmustbeprovidedforthejudgesforeachprizecategoryentered. •SubmissionsmustbemadeusingtheBCBookPrizesOfficialEntryForm. Expectationsoffinalistsandwinners •ThepublishersoffinalistbookwillbeexpectedtoparticipateinthesharedcostofprintadsplacedinBCnewspapersannouncingthefinalists.Costperbookis100. •AllpublishersauthorsandillustratorsareinvitedtoattendtheSoireewhichisafreeevent.•TicketstotheLieutenantGovernor'sBCBookPrizesGalaarenotprovidedtofinalistssomustbepaidforbytheauthors/illustratorsortheirpublishers. 21.WhatcanwelearnabouttheBCBookPrizes? A.Theyaresponsoredbyanon﹣profitsociety. B.Therearesevenmembersinitsadministrationteam. C.Thewinnersoftheprizeswillreceiveacashprize. D.Theyarepresentedataneveningpartytwiceayear. 22.Whichofthefollowingbookscouldbeacceptedforsubmission? A.AnovelwritteninFrench.B.Abookpublishedinanyyear. C.Achildren'sbookwith48pages.D.Apicturebooktobeedited. 23.What'sthepurposeofthepassage? A.ToattractmoreadsinBCnewspapers. B.TointroducetheBCBookPrizestoreaders. C.Toencouragepeople'sinterestinreading. D.Tocelebratetheachievementsofwriters.
某辆旅游汽车在平原地区行驶了3小时平均每小时行驶60km后来又在山谷地区行驶了相同的路程用了5小时最后到达山顶．求这辆旅游汽车从平原到山顶的平均速度．
甲乙两数比是45甲是乙的%甲比乙少%乙比甲多%．
IsanyeconomistsodullastocriticizeChristmas?Atfirstglancetheholidayseasoninwesterneconomiesseemsatreatforthoseconcernedwithsuchvagaries奇想asGDPgrowth.AfteralleveryoneisspendinginAmericaretailersmake25%oftheiryearlysalesand60%oftheirprofitsbetweenThanksgivingandChristmas.Evensoeconomistsfindsomethingtoworryaboutinthenatureofthepurchasesbeingmade. Muchoftheholidayspendingisongiftsforothers.Atthesimplestlevelgivinggiftsinvolvesthegiverthinkingofsomethingthattherecipientwouldlike﹣hetriestoguessherpreferencesaseconomistssay﹣andthenbuyingthegiftanddeliveringit.Yetthisguessingofpreferencesisnoteasyindeeditisoftendonebadly.Everyyeartiesgounwornandbooksunread.Andevenifagiftisenjoyeditmaynotbewhattherecipientwouldhaveboughtiftheyhadspentthemoneythemselves. Interestedinthismismatchbetweenwantsandgiftsin1993JoelWaldfogelthenaneconomistatYaleUniversitysoughttoestimatethedifferenceindollarterms.Inaresearchheaskedstudentstwoquestionsattheendofaholidayseasonfirstestimatethetotalamountpaidbythegiversforalltheholidaygiftsyoureceivedsecondapartfromthesentimentalvalueoftheitemsifyoudidnothavethemhowmuchwouldyoubewillingtopaytogetthem?Hisresultsweregloomyonaverageagiftwasvaluedbytherecipientwellbelowthepricepaidbythegiver. Inadditionrecipientsmaynotknowtheirownpreferencesverywell.Someofthebestgiftsafterallareunexpecteditemsthatyouwouldneverhavethoughtofbuyingbutwhichturnouttobeespeciallywellpicked.Andpreferencecanchange.SobygivingajazzCDforexamplethegivermaybeencouragingtherecipienttoenjoysomethingthatwasignoredbefore.Thisadesiretobuildskillsispossiblythehopeheldbymanyparentswhoignoretheirchildren'sdesiresforvideogamesandbuythembooksinstead. Finallythereareitemsthatarecipientwouldliketoreceivebutnotpurchase.Ifsomeoneelsebuysthemhowevertheycanbeenjoyedguilt﹣free.Thismightexplainthehighvolumeofchocolatethatchangesovertheholidays.Thusthelessonforgift﹣giversisthatyoushouldtryhardtoguessthepreferenceofeachpersononyourlistandthenchooseagiftthatwillhaveahighsentimentalvalue. 32.ThewordsentimentalinParagraph3iscloseto. A.intelligent B.emotional C.social D.practical 33.AccordingtothetextwhichofthefollowingstatementsisTRUE? A.Priceisnothingbutthefactorwhenyougivegifts. B.Chocolateswillbeblamedwhenpeoplereceivethemasgifts. C.Thereceiversoftenoverestimatethevaluesofgifts. D.Wantsdonotalwayscorrespondtoneedsingift﹣giving. 34.Whichofthefollowingstatementscanbeinferredfromthetext? A.Thegift﹣givertriestoneglecttheactualneedsofthereceiver. B.Thebestgiftsarewellpickedbythegivers. C.Ingift﹣givingguessingpreferenceisoftenafailuresoit'sthethoughtthatcounts. D.Youhavetotakemoneyintoconsiderationwhengivingagift. 35.Thetextismostlikelytakenfroma. A.users'handbook B.medicaljournal C.travelmagazine D.consumer﹣relatedreport.
TheLondonEye4DFilmExperiencestartedinAugustandisincludedintheLondonEyeticketprice.Itisafantastic4DfilmtoentertainyoubeforeyourtripontheLondonEye.The4Deffectsaregreat. NoExtraCosttoYou That'srightyoubuyyourticketfortheLondonEyeand4Dcinemaexperience.MerlinEntertainmentstheLondonEyeownersspent5millioncreatingthefilmandbuildingthe4DcinemaandwantedtoimprovethevalueformoneyoftheLondonEye. WhattoExpect The4DCinemaentranceisinthetickethall.Soafterbuyingyourticketgostraighttoitwhereyou'llbegivenapairofglasses.About160visitorswillpassthroughthe4Dcinemaevery8minutessodon'tworryaboutwaitingtime.Peopleinthebrightpinkcinemaareallstandingonfourlevels.Thetoplevelisdesignedforwheelchairs. LondonEye4DFilm Putonyourglassesandenjoyyourself.ThestoryisaboutalittlegirlvisitingLondonwithherfatherandshewantstobehighertogetabetterviewsoshecomestotheLondonEye.Itdiffersfromwatchingthe3Dfilmforallyoursensesareinvolved.Whenitsnowsonscreenyoufeelitsnowsinthecinema.Andwhenyouwatchthefireworksyoucanreallysmellthem. Forashortfilmlessthanfourminutesbeforethemainattractionyouthinkyou'vecomeforyouaregoingtolovethisfreeextra.Istoodtherewithmymouthwideopenattheendasmanyothersdid.It'sfantastic!TheeffectsaretheHollywoodstandardasnoexpenseisspared.IwasluckyenoughtotrythefilmthreetimesonthefirstdayandIstillwanttogobackagain. 25.Whatdoestheauthormainlytellusinthispassage? A.Hemainlyintroducesthe4DfilmofMerlinEntertainments. B.HemainlyintroducestheLondonEyeentertainmentcenter. C.Hemainlytellsushisexperienceswhilecreatingthe4Dfilm. D.Hemainlyintroducestoushowtotakepartinthe4Dfilm. 26.WhydidtheMerlinEntertainmentsbuildthe4Dfilmcinema? A.BecauseitwantedtoattractmorevisitorstoLondon. B.BecauseitcouldearnmoremoneyfromthepublicintheUK. C.Becauseitcouldprovidemoreentertainmentsforvisitors. D.BecauseitwantedtoincreasethevalueoftheLondonEye. 27.Wherecouldpeoplegetintothe4Dfilmcinema? A.IntheHollywood. B.Inthetickethall. C.UndertheLondonEye. D.Intheticketcenter. 28.Whileseeinga4Dfilmpeoplewillfeel. A.greatlyfrightened B.muchworried C.sweetsmell D.asiftheywereonthescene.
李爷爷家去年共收12000千克玉米今年换了新品种产量增加两成今年一共收千克玉米．
Atatimewhenmanystudentsstillseecollegeastheirbesthopeforarewardingcareerhighereducationhasbecomemoreexpensivefarmorethanthesteadyincreaseinthecostofliving.Asaconsequenceaveragestudentdebtatgraduationiscurrentlypushing$30000.Insomecasesstudentdebtreachessixfigures. Butfallingbeyondthereachofthesefrighteningstatisticsaremanycapablestudentswhodon'taccumulatestudentdebtbecausetheycan'taffordtogotocollegeinthefirstplace. WhichraisesaquestionWouldn'tournationbebetteroffifallAmericanstudentswereencouragedorevenassistedbypublicpolicytopushtheirintellectualcapacitiestotheirmaximums?Whatifallhighereducationinourcountrywereextremelyaffordable?Orevenfree? AsithappenstheAssociatedPressreportedthatbothOregonandTennesseeareconsideringthefeasibility可行性ofno﹣tuitionpoliciesfortheircommunitycolleges. ThelogicbehindtheseeffortsiswellexplainedbyOregonStateSenatorMarkHassIthinkeverybodyagreesthatwithahighschooleducationbyitselfthereisnopathtothemiddleclass.Thereisonlyonepathanditleadstopoverty.Andpovertyisveryexpensive. Hassmayoverstatethecaseslightly.Despitethelackofgoodblue﹣collarjobsinourcountryobsthatwouldfirmlyestablishaworkerinwhatt'sleftofthemiddleclassandprovidepaidvacationapensionandhealthinsurancehighschoolgraduatemightstillpiecetogetherenoughworktokeephimselfmoreorlessabovethepovertylineeventhoughaccesstothetrueAmericanDreamwillstillbeverydifficult. ButthesecondpartofHass'sargumentisundeniable.Ourfailuretoeducateourselvestoourfullpotentialisveryexpensive.HassreferstoresearchfromtheOregonUniversitySystemthatindicatesthatOregonianswithonlyahighschooldegreemakelessmoneyandthereforepayfewertaxesthanthosewithcollegedegrees.Theyarealsomorelikelytorequirefoodstampsandothersortsofpublicassistance.RepublicansandDemocratsagreeonthis. Clearlythecloserwecometoreachingourfulleducationalcapacityasindividualsandasanationthelesslikelywearetobecomecriminalsandprisoners.Infactit'shardtothinkofasocialillthat'sunlikelytobeimprovedbymoreeducation. Butofcoursethere'snosuchthingasfreecollege.Thetaxpayershavetocomeupwiththemoney. Butwouldourcountrybebetteroffifallstudentshadarealopportunitytopushtheireducationalcapacitiestothelimit?Ofcourse.Therearelong﹣termsocialbenefitsthatideologyfoolsusintobelievingareunattainable.ButversionsofthesegoodsandothershavebeenachievedelsewhereandtheycouldbeachievedintheUnitedStatesaswell.Theymayrequiresomeremedy矫正补救toournation'sunfairredistributionofwealthinthedirectionofthealready﹣wealthybutmoreequalityinincomeandwealthwouldbeahealthystepaswell. SogoodforyouOregonandTennessee.Mostoftheworld'sproblemscomefromignoranceintolerancegreedandbackwardness.Educationisaveryimportantremedy. 62.What'stheproblemwiththecurrentcollegeeducation? A.Itcan'tpreparestudentsforapromisingfuture. B.Itfailstorecognizeandadmittalentedstudents. C.Itbecomeslessaccessibletostudentsfinancially. D.Itlacksasetofevaluatingcriteriaforstudents. 63.Accordingtothepassageagraduatewithonlyahighschooldegreewill. A.likelybecomeanestablishedworker B.havenomeanstomakealiving C.neverbeamemberofmiddleclass D.findithardtorealizeAmericanDream 64.WhatdoestheunderlinedpartinParagraph5probablymean? A.Poorpeopleareacostlyburdentosociety. B.Poorfamiliescan'taffordschooling. C.Educationforpoorchildrenisexpensive. D.Povertyisrelatedtohigheducationfees. 65.What'sthepurposeoftheauthorwritingthispassage? A.Todescribethelong﹣termplansforeducation. B.Toargueforfreehighereducation. C.Toexplaintheimportanceofeducation. D.Tofightagainstunfairwealthdistribution.
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. 修改在错的词下面画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. Nooneliveswithoutadream.Whetherthepathissmoothlyortoughweareonthepathtoachievingit.Asasenior3studentIhavethesamedreamlikemyclassmatesthatIcanbeadmittedtoanidealuniversity.InthepastthreeyearsIhavedoneeverythingIcanequipmyselfwiththatIhavelearntfrommyteachers.NotonlyhaveIenjoythepleasureofstudybutalsoIhavegotclosertomydream.Anxietyandpressurediscouragehimnowandthen.ThereforewiththeencouragementofmyteachersandclassmatesIthinkI'llmakeoutit. I'msurethatthereisstillalongwaytogotoachievemydream.NomatterhowchallengeditisI'llmakeitcometrue.AstheproverbsaysWheretherehasawillthere'saway.
两个不相同的奇数之和一定是合数．判断对错
﹣WeallknowfromyoungthatthePrimeMinisterQinhuiintheSongDynastyframedupGeneralYuefeitodeath. ﹣Yes.________. A.Abadbeginningmakesabadending. B.Aguiltyconscienceisaself﹣accuser. C.Abadthingneverdies. D.Amanisknownbythecompanyhekeeps.
平行四边形的面积一定它的底和高
根据短文内容从短文后的选项中选出能填入空白处的最佳选项.选项中有两项为多余选项. HowtoBecomeaScientist Hereissomeadviceforstudentswhothinktheymightliketobecomescientists. 36Oneofthemostimportantthingsyoucandotobecomeagoodscientistispracticewatchingeverythingcarefully.Findacomfortablechairandputitinthemiddleofyourgardenorapark.Sitinthechairforthirtyminutesoranhour.Watchtheinsectsthatflypastorlandontheplants.Lookattheshapesofleavesandbranches.Listentothesoundsofinsects.37Useamicroscopetolookcloselyatinterestingobjects. Learneverythingyoucanaboutatopicthatinterestsyou.Supposeyou'dliketoexploreflowersbyusingamicroscope.Gotothelibraryandcheckoutsomeflowerbooks.SeewhatyoucanfindontheInternet.Picksomeflowersandcarefullytakenthemapart.38Themoreyouknowaboutflowersfromreadingaboutthemandobservingthemthemoreyou'llunderstandwhenyoulookatthemwithamicroscope. Askforhelpfromaknowledgeableperson.Afteryou'velearnedeverythingyoucanonyourownasksomeoneelsetohelpwithquestionsyoustillhave.Maybethere'ssomeoneatanearbyschoolormuseumwhoknowsaboutinsectsspidersorsomethingelseyou'dliketolearnabout.39 Findascientisttotalktoorfindaplacewherescientificresearchisbeingdone.Ifyoustillwanttolearnmoreyoucanfindascientisttotalktoatanearbyuniversityorresearchstation.40Explainwhatyou'reinterestedin.Askifyoucanscheduleatimetovisit.Mostscientistsarehappytotalktostudentswhosharetheirpassionforscience. A.Becomeanobserver. B.Youmaygoseekanswersfromhim. C.Writealetterorane﹣mailmessagetothescientist. D.ResearchyourquestionsusingtheInternetorlibrary. E.Seeifyoucanfindasightorsoundthatsurprisesyou. F.Useamicroscopetoseehoweverythingfitstogether. G.Beingascientististime﹣consumingandmentallydemanding.
热门题库
更多
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
高三上学期英语
高二下学期英语
教案备课库
高三下学期英语
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
国际法
教案备课库
教案备课库
湘公网安备 43130202000226号