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空气的成分中能供给呼吸的是（ ）
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空气成分中能供给动植物呼吸的是
氮气
氧气
二氧化碳
稀有气体
空气的成分中能供给人体呼吸的气体是
氮气
氧气
稀有气体
二氧化碳
空气成分中能供给动植物呼吸的是
氮气
氧气
二氧化碳
稀有气体
空气成分中能供给人体呼吸的气体是
稀有气体
氧气
氮气
二氧化碳
空气的成分中能供给呼吸的是
氮气
氧气
稀有气体
二氧化碳
空气的成分是固定不变的
按质量分数计，空气中含氧气约21%
空气中的氧气可以供给呼吸，所以浓度越高越好
空气的成分是相对稳定的，主要由氮气和氧气组成
空气的成分中能供给呼吸的是
氮气
氧气
二氧化碳
水蒸气
空气的成分中能供给人体呼吸的气体是
氮气
氧气
稀有气体
二氧化碳
空气成分中能供给人体呼吸的气体是
氮气
二氧化碳
水蒸汽
氧气
空气的成分中能供给呼吸的是
氮气
氧气
稀有气体
二氧化碳
空气的成分中能供给呼吸的气体是
氮气
氧气
稀有气体
二氧化碳
空气的成分中能供给呼吸的气体是
氮气
氧气
稀有气体
二氧化碳
空气成分中能供给人呼吸的是
氮气
氧气
稀有气体
二氧化碳
空气的成分中能供给呼吸的是
氮气
氧气
二氧化碳
水蒸气
空气的成分中能供给呼吸的是
氮气
氧气
二氧化碳
水蒸气
空气的成分中能供给呼吸的是
氮气
氧气
二氧化碳
水蒸气
人类生活离不开空气下列说法不正确的是
空气的成分以氮气和氧气为主
空气中0.94%的稀有气体属于纯净物
氧气能供给呼吸，可用于医疗急救
氮气的化学性质不活泼，可用作保护气
空气的成分中能供给呼吸的是
氮气
氧气
稀有气体
二氧化碳
空气成分中能供给呼吸的气体是
氮气
氧气
水蒸气
二氧化碳
空气中的成分中能供给呼吸的气体体积分数约是
78%
0.94%
0.03%
21%
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8分Instagramisafastbeautifulandfunwaytoshareyourlifewithfriendsandfamily.TakeapictureorvideochooseafiltertotransformitslookandfeelandthenposttoInstagram﹣it'sthateasy.YoucanevensharetoFaceBookTwitterandmore.It'sanewwaytoseetheworld.SomanyphotosoffoodarecontainedonInstagram﹣nowapop﹣updinerinLondonistakingadvantageofthisnewtrendbylettingpeoplesettlethebillfortheirmealssimplybyuploadingphotosoftheirdishestosocialnetworks. Ialwaysthoughtpeople'stakingpicturesoftheirfoodwaskindofsillybutatthisnewpop﹣uprestaurantintheUKI'dprobablydoittoo.ThePictureHouseistheworld'sfirstpay﹣by﹣photorestaurant.YouorderclickaphotoofthefoodshareonInstagramandeatforfree! TherestaurantbelongstofrozenfoodgiantBirdsEyewhocameupwiththeideatocashinonpeople'saddictionwithphotographingfoodandsharingthepicturesonline.TheyconductedasurveyandfoundoutthatmorethanhalfoftheBritishpopulationregularlytookpicturesoftheirmeals.Sotheyrealizeditwasabetterwaytoadvertisetheirnewdiningrange. Thepop﹣updinerwasopeninSOHOLondonforthreedaysinMayandisnowmovingtoothermajorUKcities.Theyservetwo﹣coursemealsthatcustomersdon'thavetopayforiftheyphotoandInstagramit. TherestaurantisapartofBirdsEye'sFoodforLifecampaignanewmarketingprojectthataimsatchangingthewaypeoplelookatfrozenfood.Takingphotosoffoodenablespeopletoshowoffandtosharetheirmealtimemoments﹣fromtheeverydaytothespecialsaidmarketingdirectorMargaretJobling. ThereactiontothePictureHousehasbeengreatsofar.Andthepay﹣by﹣pictureconcepthasproventobeaneffectiveway.Alternativepaymentmethodsareactuallygainingpopularityamongalotofbusinesses.LastyearinacafeinGermanycustomerspaybyhowmuchtimetheyspendtherenotbywhattheyeat. 28.FromthedescriptioninthepassagewecanseeInstagramis. A.arestaurantinwhichmealsarefree B.anewmarketingstrategyofarestaurant C.thenameofacompanytocollectfoodpictures D.anapplicationsoftwaretosharephotosorvideos 29.WhatthePictureHousedoesisactually. A.anadtoexpanditspopularity B.arewardtoitsregularcustomers C.anefforttoraisethepriceoftheirfrozenfood D.amethodtryingtochangeBritishpeople'stypeofdining 30.Whatcanbeinferredfromthepassage? A.Thepay﹣by﹣pictureconcepthasreceivedagreatreaction. B.MealsarefreeifyousendyourpicturestothePictureHouse. C.Thepop﹣updinerwasopeninSOHOLondonforthreedaysinMay. D.TakingandsharingphotosoftheirmealshasbecomeanewtrendinBritain. 31.Whichofthefollowingcanbethebesttitleforthepassage? A.PaybyPicture. B.ThePictureHouse. C.NoPictureNoMeal. D.NewDiningStyle.
如图所示小明用塑料管可以把盒中的牛奶吸到嘴里这是由于
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15分Complaintsexisteverywherearoundyou.Ifyoudon'tbelievemecounthowmanytimesyoucomplainaboutsomethingorotherinoneday.Whetheritbeing61stickintrafficbeingbothered62theweathernotenoughmustardonyoursandwich63whateveritisthereareendlessinstances64youcanfindareason65complain.Wecomplainthatwedon'thaveenoughtimeandthatwedon'thaveenoughmoneyetc.IknowI'veexperiencedplentyof66unpleasantduetocomplainingaboutthingsIcan'tcontrol.Imaginehowmuch67happyyouwouldbeifyou68stopcomplaining?Muchofwhatyoucomplainaboutisoutsideofyourcontrolanyway.So69isthepointofcomplainingaboutsomethingyouhavenopowertochange?70simplebecomingconsciousofhowmuchyoucomplainisthefirststeptostopping.Whenyourecognizethatyou'recomplainingstopandtakenoticeofit.Askyourselfifyouwouldrathercomplainorbehappy.
10分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l0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处多者从笫11处起不计分. Nowadayswecanstillseesomebehaviorsagainstpublicmorals.Aswasoftenthecasepeopletendtotalkloudinpublicplacesannoyedothersaround.Spittingandlitteringrubbishcanbeseenanywhere.Besidesit'scommonthattheyoungormiddle﹣agedsitonthebuswhentheelderlyhavetostand. Measuremustbetakentochangethissituation.Firstofallasstudentsweshouldmanageourownbehaviorsbuthelppeoplearoundyouformgoodhabits.Meanwhileitisnecessaryforthegovernmentandsomeorganizationstoencouragepeopletobehaveproper. Don'tundervaluetherolewecanplaywith.Dorememberwecanmakedifference!Takeactionrightnow!
30分Aseveryoneouttheremylifealsoexperiencedupsanddownsandalotofgive﹣up41IamanAerospaceEngineerfromIndia.FrommyrelativesandclosefriendsIhavebeentoldthatit's42foranon﹣ITstudenttopursueMastersinITandgraduatefromafamousUSuniversity. Inevertookcoursesrelatedtocomputersorprogramming.Iwasneverinterestedtobeaprogrammerbutthings43.Computersgraduallybecamemy44andIrealizedIammoredependentoncomputersandIstarted45theback﹣endprocesseshappeninginsidetheCPUandIwasamazedbyitsthought.That'swhenIdecidedtopursuemastersinIT. 46itwasverydifficult.MyEnglishaccentwas47.AndIwasalsolacking48money.MostimportantlythecoursesseemednightmareswhenIfirstsawthem.49Inevergaveup.Itwasmyfatherthatpushedmeoutofmycomfortzoneand50confidenceinmetopursuethedegreeI51. Itookitasa52andneverthoughtaboutthefactthatIdon'thavemoneytoeatorIam53tothisprogrammingdegree.Ibelievedinhardworkwhichismy54.Sotheharddays55anditgot56everydaytounderstandthesubjectsandconcepts. Hardworkalways57.IgotsomeoffersandIdecidedtochoosethisuniversitywhichpromiseditsstudentstohelpthemgaintheknowledge58.RightnowIamgraduatingwithaGPAof3.96/4andanemployment59fromaMNCcompanyaskingmetostartrightaftermy60. 41.A.excuses B.reasons C.situations D.surroundings 42.A.uneasy B.difficult C.simple D.easy 43.A.happened B.worsened C.improved D.changed 44.A.companions B.teachers C.rivals D.colleagues 45.A.talking B.seeing C.imagining D.making 46.A.Initially B.Suddenly C.Lately D.Similarly 47.A.fluent B.thick C.international D.terrible 48.A.in B.for C.on D.with 49.A.Besides B.Therefore C.However D.Though 50.A.gave B.filled C.lent D.found 51.A.wanted B.got C.cherished D.achieved 52.A.challenge B.joke C.secret D.trick 53.A.eager B.hard﹣working C.experienced D.new 54.A.origin B.strength C.performance D.progress 55.A.passedaway B.passedonto C.passedby D.passedthrough 56.A.harder B.worse C.mucheasier D.muchstranger 57.A.paysfor B.paysoff C.comesback D.comestrue 58.A.hardly B.mentally C.practically D.suddenly 59.A.rate B.determination C.offer D.arrangement 60.A.congratulation B.graduation C.gratitude D.contribution
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