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在比例尺1：50000的平面图上，量得一段路的长度是7厘米，这段路实际长 千米．
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在一幅比例尺为1500的平面图上量得一间长方形教室的长是3厘米宽是2厘米．求这间教室的实际面积．
在比例尺是11000的学校平面图上量得长方形操场的长是12厘米宽是6厘米．这个操场的实际面积是多少平
在比例尺是1:500的平面图上量得一个篮球场的长是5.2厘米宽是2.8厘米问球场的实际面积等于多少平
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在比例尺是12000000的平面图上量得一条路长7.2厘米这条路的实际长度是千米如果小明以每小时1
若学校的范围是东西长200米南北宽140米在一张长1.1米宽80厘米的纸上绘学校的平面图要求边框各留
1∶100
图上1厘米代表实地距离0.5米
1∶50
在比例尺是13500000的地图上量得甲乙两地间的距离是2.4厘米在另一幅地图上量得这两地的距离是2
在比例尺是1250的平面图上量得一幢教学楼长16厘米这幢教学楼的实际长度是多少米
此图缺失了比例尺只知道从中心广场到长江广场实际距离为1200米在图中量出两地图上距离为2.4厘米则这
1：500
1：5000
1：50000
1：500000
在比例尺是11000的学校平面图上量得操场的长是8厘米宽是5厘米操场的实际面积是多少平方米
在一幅比例尺是201的平面图上量得某零件的长度是2厘米该零件的实际长度是厘米．
0.1
40
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下图为某学校平面示意图据图回答在该学校平面图上量得办公楼至教学楼间的直线距离约为4厘米两地的实地距离
1∶200
1∶500
图上1厘米代表实地距离50米
1/1000
在比例尺为1:50000的某城市旅游地图上某条公路的长度是15厘米则这条公路的实际长度是______
在一幅比例尺是151的平面图上量得某零件的长度是3厘米该零件的实际长度是厘米．
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在比例尺是1100的平面图上量得一间房子长9厘米宽6厘米这间房子实际占地面积是多少平方米
在比例尺为1140000000的世界地图上量得北京至莫斯科的图上距离为4.4厘米两地的实地距离是__
在一幅比例尺是151的平面图上量得某零件的长度是3厘米该零件的实际长度是厘米．
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在一幅地图上量得长江的长度是21厘米长江全长6300千米这幅地图的比例尺为
三十万分之一
1∶3000000
1／30 000 000
图上一厘米代表实地30千米
在一幅比例尺为1500的平面图上量得一间长方形教室的长是3厘米宽是2厘米．求这间教室的图上面积与实
一张绿化施工平面图上标明的比例是1500那么图上量得3厘米实地长度是
15厘米
15米
150厘米
150米
一个零件的实际长度是7毫米但在图上量得长是3.5厘米这副图的比例尺是
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2.5分不添加任何试剂仅通过观察和用组内溶液相互混合的方法就能鉴别的是
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.
A～H都是教案备课库中的常见物质它们之间的转化关系如图所示．A是天然气的主要成分E是一种常见的食品干燥剂．请回答 1A的化学式为G的化学式为 2反应④的化学方程式为．该反应类型为
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.
2.5分下列化肥中属于复合肥的是
IwasonceashamedtoadmitmyweaknessbutnowIhavenosuchfeelingandI______myselfmuchdiscomfort. A.grant B.dismiss C.save D.rid
﹣WeallknowfromyoungthatthePrimeMinisterQinhuiintheSongDynastyframedupGeneralYuefeitodeath. ﹣Yes.________. A.Abadbeginningmakesabadending. B.Aguiltyconscienceisaself﹣accuser. C.Abadthingneverdies. D.Amanisknownbythecompanyhekeeps.
2.5分下列实验操作正确的是
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.
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