首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
若分式的值为0,则x的值为( )
查看本题答案
包含此试题的试卷
教案备课库《》真题及答案
点击查看
你可能感兴趣的试题
若分式的值为0则x的值等于________
若分式的值为0则x的值为__________.
若分式的值为0则x的值为
已知若分式的值为0则x的值为.
若分式的值为0则x的值是________________.
若分式的值为0则x的值为
0
1
﹣1
±1
若分式的值为0则x的值为
﹣1
0
2
﹣1或2
若分式的值为0则x的值为
﹣1
0
2
﹣1或2
若分式的值为0则x的值等于.
若分式的值为0则x的值为
x=1
x=-1
x=±1
x≠1
若分式分式的值是0则x的值为
2
2或-2
-2
0
下列关于分式的判断错误的是A.当x=0时分式的值为0B.当x≠-3时分式有意义C.无论x为何值分式的
若分式的值为0则x的值为
﹣1
0
2
﹣1或2
若分式的值为0则x的值为.
若分式的值为0则x的值为
若分式的值为0则x的值是.
若分式的值为0则x的值为.
若分式的值为0则x的值为
)-1 (
)0 (
)2 (
)-1或2
若分式的值为0则x的值为______.
若分式的值为0则x的值为
热门试题
更多
Ihappenedtobeupstairsdoingmyhomeworkwhilethetelephonerang.
IncreasinglyAmericansarebecomingtheirowndoctorsbygoingonlinetodiagnose诊断theirsymptoms病症orderhomehealthtestsormedicaldevicesorevenself﹣treattheirillnesseswithdrugsfromInternetpharmacies药店.Some1doctorsbecauseofthehighcostofmedicalcareespeciallyiftheylackhealthinsurance.Ortheymaystaybecausetheyfinditembarrassing难为情to2theirweightalcoholconsumption酗酒orcouchpotatohabits.Patientsmayalso3whattheymightlearnabouttheirhealthortheydistrustphysiciansbecauseofnegative不愉快的experiencesinthepast.Butplayingdoctorcanalsobea4game. EverydaymorethansixmillionAmericansturntotheInternetfor5answers﹣mostofthemaren'tnearlyskeptical怀疑的enoughofwhattheyfind.AsurveybythePewInternet&AmericanLifeProjectfoundthat72percentofthosesurveyed6allormostofwhattheyreadonhealthwebsites.Theyshouldn't.Lookupheadacheandthe7offindingreliableandcompleteinformationareonlyoneinten.Ofthe169websitestheresearchersratedonly16scoredashighquality.Recentstudiesfoundfaultyfactsaboutallsortsofotherdisorderscausingoneresearchteamto8thatalargeamountofincompleteinaccurateandevendangerousinformationexistsontheInternet. Theproblemismostpeopledon'tknowthesafewaytosurftheWeb.TheyuseasearchenginelikeGooglegetmillionsof9andstartclicking.Butthat'sriskybecausealmostanybodycanputupasitethatlooksauthoritative权威的soit'shardtoknowifwhatyou'rereadingis10ornotsaysDr.SarahBassfromtheNationalCancerInstitute.
Mostpeoplethinkofracingwhentheyseegreyhounds灰狗andbelievetheyneedlotsofexercise.Theycanactuallybequitelazy!Greyhoundsaregoodatfastracesbutnotlong﹣distancerunning.Theydoneedregularexercisebuttheyliketorunforashortburstandthengetbackonthebedoracomfortableseat.Anothermisunderstandingisthatgreyhoundsmustbeaggressive好斗的becausetheyarebiginsize.Infactgreyhoundslovepeopleandaregentlewithchildren. Greyhoundscanlivefor12﹣14yearsbutusuallyonlyracefortwoorthreeyearsandafterthattheymakegreatpets.Theydon'tneedalotofspacedon'tmakealotofnoiseanddon'teatalotfortheirsize. Normallygreyhoundscanbeastallas90cm.Thereishoweverasmall﹣sizedgreyhoundwhichstandsonly33cm.Greyhoundscomeinavarietyofcolors.Greyandyellowish﹣brownarethemostcommon.Othersincludeblackwhiteblueredandbrownoramixofthese. Greyhoundshavesmoothbodycoatslowbodyfatandareveryhealthy.Becausethey'reslim苗条的theydon'thavethelegproblemslikeotherdogsofthesameheight.Buttheydofeelthecoldespeciallysincetheywouldmuchratherbeathomeinbedthanwalkingaroundoutside. 1Thepassageismainlywrittento. A.tellpeoplehowtoraisegreyhounds B.letpeopleknowmoreaboutgreyhounds C.explainwhygreyhoundsareaggressive D.describegreyhoundsofdifferentcolors 2WhichofthefollowingisTRUEaboutgreyhounds? A.Theyaregoodatlongrunning. B.Theypreferoutdoorexercise. C.Theyarequitedifferentinsize. D.Theyaredifficulttoraise. 3Whydoestheauthorsaythatgreyhoundsmakegreatpets? A.Theyarebiginsize. B.Theyliveaverylonglife. C.Theycanrunracesforsometime. D.Theyarequietandeasytolookafter. 4Ifyoukeepapetgreyhounditisimportant. A.tokeepitslim B.totakespecialcareofitslegs C.tokeepitwarm D.totakeittoanimaldoctorsregularl
据联合国预测我国人口在2020年以后会出现负增长其依据是
图中曲线ab表示物质跨膜运输的两种方式下列表述正确的是
DirectionsWriteanEnglishcompositionin120﹣150wordsaccordingtotheinstructionsandthepicturesgivenbelow. 请根据以下的图片内容写一篇英文日记.可适当增加一定的细节.
Maryistoostubbornsosheisnotpopularinourclass.句型转换 →Maryisstubbornsheisnotpopularinourclass.
图为叶绿体结构模式图下列叙述中错误的是
IthinkthemovieGoawayMr.Tumoriswellworthseen.
我们应该把课堂中学到的东西用于实践中.apply
动物细胞有丝分裂过程中染色单体形成和染色单体分开的时期分别是
单倍体育种可明显地缩短育种年限其原因是
我们应该密切关注空气质量.attention
曾经有一段时间他很沮丧想离开这里.翻译 →.
OnemorningIwaswaitingatthebusstopworriedaboutbeinglateforschool.Thereweremanypeople1waitatthebusstopandsomeofthemlookedveryanxiousanddisappointed.Whenthebusfinallycameweallhurriedonboard.Igotaplacenexttothewindow2Ihadagoodviewofthesidewalk.Aboyonabike3catchmyattention.He4ridebesidethebusandwavinghisarms.Iheardapassengerbehindmeshoutingtothedriverbutherefusedtostop5wereachedthenextstop.Stilltheboykeptriding.Hewascarryingsomethingoverhisshoulderandshouting.Finallywhenwecametothenextstoptheboyranuptothedoorofthebus.Iheard6excitedconversation.ThenthedriverstoodupandaskedDidanyoneloseasuitcaseatthelaststop?AwomanonthebusshoutedOhdear!It's7.Shepushedherwaytothedriverandtookthesuitcasethankfully.Everyoneonthebusbegantalkingabout8theboyhaddoneandthecrowdofstrangerssuddenlybecamefriendlytooneanother.
判断一株高茎豌豆是纯合子还是杂合子最简单的方法是
下列符合现代生物进化理论观点的是
下列有关胰岛素功能的叙述正确的是
下列生物中属于原核生物的是
Haveyoueverhadtravelproblemsbecauseyourairplanewaslate?Itisacommonproblemanditisgettingworse.Airportdelaysmakepeopleangryandcostthecountrybillionsinlostworktime. TheFederalAviationAdministrationFAAisthegovernmentagencythatoverseesairtravel.Theystudiedtheproblemofairlinedelays. Theyfoundelevenmajorproblemsandsuggestedelevenwaystofixthem.Someoftheproblemsarecausedbecausedifferentregions地区ofthecountrydothingsdifferently.Theregionsdon'ttalktoeachotherenough.Someofthemneednewcomputers. Alsomoreplanesareflying.Astrongeconomyhasmorepeopleusingairplanestogetaround.Airplanesareaformofmasstransportationnowliketrainsandbuseswereinthepast.Moreplanesintheairportcausedelays. TheairportinSanFranciscoisagoodexample.Itisgrowingfast.ManypeoplegothroughSanFranciscotogettootherplacesaroundtheworld.RonWilsonoftheSanFranciscoInternationalAirportsaysIfyou'vegot18flightsthatallwanttotakeoffat800amandyou'reonthe18thplaneinlineyou'regoingtobe40minuteslate. Weatherisanothermainreasonfordelays.Weathercausesabout70%ofdelays.Fogorfreezingraincancausedelays. ThefirstthingtheFAAwantstodoistakecontrolawayfromtheregionsduringheavytraffictimesandbadweather.Anationalcenterwouldmakedecisionsonthingsthataffectthewholecountry.TheFAAalsowantstoputmoredistancebetweenplanesintheskywhentheweatherisbad.Thisrulecouldcauseevenmoredelays. TheFAAknowsthattheirsolutionswillnotsolvetheproblemswithairportdelays.Buttheyhopetomakethingsbetter.Therearejusttoomanyplanestoofewtrafficcontrollersandnotenoughnewtechnology. 1FAAfoundthatsomeofthedelayproblemsarecausedbybetweentworegions. A.differentlanguages B.technicalmisunderstanding C.misunderstandingoftherules D.lackofcommunication 2WhichofthefollowingisNOTmentionedasareasonforairlinedelays? A.Agrowingnumberofflights. B.Badweather. C.Agrowingpopulation. D.Lackofnewtechnology. 3Thewordoverseesin2ndparagraphprobablymeans. A.makesuseof B.takescontrolof C.catchesholdof D.doesafavorof 4Whichofthestatementsbestgivesthemainideaofthepassage? A.FAAshouldmakedecisionstostopairportdelays. B.Airportdelaysareontherise. C.Travelproblemscostbillionsinlostworktime. D.FAAhastakencontrolofairtrafficnationwide.
在西方国家如果交谈时缺乏眼神交流会被看作是不礼貌的行为.lackof
OnlythenIrealizetheimportanceofprotectingtheenvironment.
AccordingtothereportChinamayhavethelargestnumberofEnglishlearner.
Thestudentshadameetinginthebighalllastweekend.对划线部分强调 →.
如图反映某种酶的活性与温度的关系分析图可知
将单个的脱氧核苷酸连接成DNA分子的主要的酶是
以“﹣GAATTG﹣”的互补链转录mRNA则此段mRNA的序列是
ThebookwhichI'mreadingitisveryinteresting.
下列有关基因的说法错误的一项是
人的一个染色体组中
热门题库
更多
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
教案备课库
教案备课库
教案备课库
高一下学期数学
教案备课库
高一上学期数学
高一上学期化学
教案备课库
教案备课库
教案备课库
高一上学期物理