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解不等式组并写出该不等式组的最大整数解.
解不等式组:请结合题意填空完成本题的解答.Ⅰ解不等式①得__________Ⅱ解不等式②得_____
对于不等式组下列说法正确的是
此不等式组无解
此不等式组有7个整数解
此不等式组的负整数解是﹣3，﹣2，﹣1
此不等式组的解集是﹣
＜x≤2
解不等式组并写出该不等式组的整数解.
解不等式组求不等式组的整数解.
解不等式组并写出不等式组的整数解.
.解不等式组并指出这个不等式组的整数解
解不等式组.把不等式组的解集在数轴上表示出来并写出不等式组的非负整数解.
解不等式组并写出不等式组的整数解.
解不等式组请结合题意填空完成本题的解答.Ⅰ解不等式①得________Ⅱ解不等式②得________
解不等式组请结合题意填空完成本题的解答.Ⅰ解不等式①得Ⅱ解不等式②得Ⅲ把不等式①和②的解集在数轴上表
解不等式组解不等式得_____解不等式得_____所以不等式组的解集是_____.
解不等式组并写出该不等式组的整数解
解不等式组将不等式组的解集在数轴上表示出来并写出不等式组的非负整数解.
对于不等式组下列说法正确的是
此不等式组的正整数解为1，2，3
此不等式组的解集为﹣1＜x≤
此不等式组有5个整数解
此不等式组无解
对于不等式组下列说法正确的是
此不等式组的正整数解为1，2，3
此不等式组的解集为﹣1＜x≤
此不等式组有5个整数解
此不等式组无解
解不等式组并写出不等式组的整数解.
解不等式组把解集表示在数轴上并求出不等式组的整数解.
解不等式组并写出不等式组的整数解.
解不等式组并在数轴上表示不等式组的解集.
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TimBerners﹣Leeisnotthemostfamousinventorintheworld.Howeverhisinventionhaschangedourlives. HewasborninLondonEnglandin1955.WhenhewasasmallboyTimwasinterestedinplayingwithelectricalthings.HestudiedscienceatOxfordUniversity.Hemadehisfirstcomputerfromanoldtelevisionattheageof21. Timstartedworkingonearlycomputers.Atthattimetheyweremuchbiggerthannow.HeworkedinEnglandthenSwitzerland.Timwasreallyinterestedintwothingscomputersandhowthebrainworks.Howcouldthebrainconnectsomanyfactssoquickly?Hehadtoworkwithpeopleallovertheworld.Theysharedinformationaboutcomputers.Itwashardtomanagealltheinformation.Heansweredthesamequestionsagainandagain.Ittookalotoftime.ItwasevendifficultforcomputersinthesameofficeinSwitzerlandtoshareinformation.Timalsoforgotthingseasily.Couldacomputerworklikeabrain?Couldittalktoothercomputers? TherewasanInternetalreadybutitwasdifficulttouse.In1989TimBerners﹣LeeinventedtheWorldWideWebWWWallbyhimself.ThishadaspeciallanguagethathelpedcomputerstalktoeachotherontheInternet.WhenpeoplewantedtoshareinformationwithotherstheyusedtheWorldWideWeb.TheInternetgrewquicklyafterthat. TimBerners﹣Leedoesn'tthinkhedidanythingspecial.HesaysthatalloftheideasabouttheInternetwerealreadythere.Allhedidwastoputthemtogether.HesaysthatmanyotherpeopleworkedtogethertomaketheInternetwhatitistoday. Mostinventorswanttobecomerich.ButTimgaveawaytheWorldWideWebfornothing.HenowworksinAmerica.HehelpspeoplesharetechnologyandwantstheInternettobefreeforeveryonetouse.Maybeheisthemostimportantbutleastfamousinventorintheworldtoday! 1.WhatwasTimBerners﹣Leeinterestedin? A.Lookingforjobsindifferentcities. B.Talkingtopeoplearoundtheworld. C.Studyinghowtoconnectcomputers. D.Exploringhowtoimprovememory. 2.TheunderlinedwordItinParagraph3refersto. A.Workingonearlycomputers B.Connectingdifferentfactstogether C.TravellingtotheofficeinSwitzerland D.Repeatingtheanswerstothesamequestions 3.WhyisTimBerners﹣Leeoneofthemostimportantmenintheworld? A.HemadeinformationsharingontheInternetpossible. B.Hemadethefirstcomputerwhenhewas21yearsold. C.Hehelpedpeopleunderstandbetterhowthebrainworks. D.HeinventedtheInternetandmadeitfreeforeveryonetouse. 4.Inwhatorderdidthefollowingeventstakeplace? a.TimworkedinEngland.b.TimworkedinSwitzerland. c.Timmadehisfirstcomputer.d.TiminventedtheWorldWideWeb. e.TimstudiedscienceatOxfordUniversity. A.c﹣e﹣d﹣a﹣b B.e﹣b﹣a﹣c﹣d C.c﹣d﹣a﹣e﹣b D.e﹣c﹣a﹣b﹣d 5.WhatdoesthewriterthinkofTimBerners﹣Lee? A.Heisnotfamousbecauseheisnotrich. B.Hehaschangedourlivesandheisgreat. C.Hedidnothingspecialbutmakepeopleagoodlife. D.Hehasmadegreatachievementsinmemoryresearch.
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在每个空白处填上一个适当的句子使对话的意思连贯完整有两项是多余的 AWhat'syourplanforthesummerholiday? BI'llvisitmycousin.1 AIsthefarmbigorsmall? BIt'snotverybigbutit'sreallyaniceone.2 AI'msureyouwillenjoystayingthere.Whatdoeshegrowonthefarm? B2 AWhatareyougoingtodothere? BI'llgothereandhelphimpickfruit. A4Itsoundsfun. BItreallydoes.Andthefruitsareverydelicious. AIenjoythemverymuch.Aretheysoldhere? BOfcourse5.Mycousinwillsendthemtoothercountriessomedaytoo. 1. 2. 3. 4. 5.
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Anoldmanwasgoinghomelateonenightwithhishorseandcartafteraday'shardwork.Whenhewasnotfarawayfromhishousethelightonthecartwentout.Hetriedbutcouldnotrepairit.Hewasnearhishomeandsohewentalongtheroadwithoutalight.Whenapolicemansawthishestoppedtheoldman. Whereisyourlight?askedthepoliceman.Nomanmaytakeacartalongtheroadatnightwithoutalight.Youknowthat.Youhavebrokenthelaw.Ihadalightbutithasjustgoneoutsaidtheoldman. Idon'tbelievethatstory.What'syournameandwheredoyoulive?askedthepoliceman.Pleasedon'twritedownmynamesaidtheoldman.Myhomeisjustthere.Youcanseeitfromhere.Ihadalightnearlythewholeway. Youcameallthewaywithoutalight.What'syourname? Theoldmanquicklytookthepoliceman'shandandputitdownonthetopofthelight.Thelightwasstillhotandburntthepoliceman'shand.Thepolicemanjumpedandhewasveryangry.Nowwhatdoyouthink?saidtheoldman.DidIcomeallthewaywithoutalight? 1.Whatdoestheunderlinedwordcartmeaninthepassage? A.Itmeanshouse. B.Itissomethingpulledbyahorse. C.Itmeanslight. D.Itissomethingusedforcookingfood. 2.Theoldmandrovehome. A.lateonenight B.withhisdonkey C.withapoliceman D.earlyonemorning 3.Wheredidthepolicemanstoptheoldman? A.Underastreetlight. B.Atthetrafficlights. C.Neartheoldman'shome. D.Farawayfromtheoldman'shome. 4.Whywastheoldmanstoppedbythepoliceman? A.Becausethelightonhiscartwasnoton. B.Becauseheburntthepoliceman'shand. C.Becausehebrokeastreetlight. D.Becausehedidn'twanttohelpthepoliceman. 5.Whatmadethepolicemanbelievetheoldman'swords? A.Hemadethepolicemanangry. B.Hejumpedandshoutedangrily. C.Thelightburntthepoliceman'shand. D.Hemadethepolicemantouchthecart.
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Timeisaveryvaluablething.Howevermostofusdon't1ituntilit'stoolate.Whenweareyoungwefeelthatwewillnever2time.Wedon'tcountthesecondsminutesandhoursofthedaybecauseweknowthat3willbringmore.Wehavesomuchtimethatwefeelwecaneasily4towastesomeofit.ThinkofthecommonEnglish5wastingtimefillingintimeorevenkillingtime.Wehave6respect尊重fortime. Itisonlywhenget7thatwebegintorealizethattimeisaprecioustreasure.8wemightfindthatwehaven'tinvested投资ourtimewell.Wediscoverthatwe9haveenoughtimetodothingswewant.Justasadultsneedtospendtheirmoneyon10thingsliketaxes税款andbillstheyalsohavetospendtheirtime11thingsthattheymightnotreallywanttodo﹣thingsthatreallymaketimeboring. Theonlywaytogetthemostofthetimewehaveistolivefortodayandneverdelay拖延tillnextday.Astheidiom12Delayisthethiefoftime.Andyoudon'twantanyonetostealyourtimedoyou? 1.A.remind B.realize C.review D.research 2.A.besureabout B.getridof C.bethirstyfor D.runoutof 3.A.tomorrow B.success C.ability D.knowledge 4.A.agree B.avoid C.afford D.advise 5.A.expressions B.instructions C.suggestions D.introductions 6.A.few B.little C.afew D.alittle 7.A.older B.stronger C.busier D.higher 8.A.Simply B.Specially C.Suddenly D.Seriously 9.A.attimes B.nomore C.atleast D.nolonger 10.A.unexpected B.unpleasant C.unforgettable D.unbelievable 11.A.do B.done C.doing D.todo 12.A.writes B.tells C.reads D.says
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Aroundtheworldthereareabout7000NationalParks.Mostofthemcoverhugeareasoflandwherenobodylives.1theNationalParksinEnglandincludeplaceswherepeopleliveandworkas2aswildareaswheretherearefewhumanactivities. TheNationalParksinEngland3England'sBreathingSpacesbecausetheyareplaceswherepeoplecangotobeintheopenairaway4thedirtandnoiseofcities.Theyprovidewonderfulscenesofmountainswoodsgrasslandsandwetlands.Andtherearelotsofactivities5inalloftheNationalParksinEngland.Visitorscanwalkorridebikesforfun.Manyoftheparksputonactivitiesforfamilies. Everyyearthereareabout110millionvisitorstotheparks6manybenefits益处totheareas.Atthe7timeitcreatesproblemstoo.Firstlifecanbedifficultforlocalpeople.Carparksandroadsaretoocrowded.Giftshopsandcafestaketheplaceofmanyeverydayshops.Evenhousepricesinsomeareascanbecometoo8.Besidescountryroadscanbedamagedfortoomanypeoplewalkcycleorridehorsesonthem.Roadscanberebuiltbutthentheylooklessnatural.Anotherbig9totheNationalParksislitter.Intheparksitisadangertowildanimals.Brokenglasscanalsocausefiresbyfocusingtheraysofthesun.Suchfiresinwildplacescanbe10ofcontrol. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.
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＜x≤2
此不等式组有5个整数解 此不等式组无解
此不等式组有5个整数解 此不等式组无解
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