16cmB.17cmC.20cmD.16的知识精选

等腰三角形的两边长分别为4cm和8cm,则它的周长为(  )A.16cmB.17cmC.20cmD.16cm或...
问题详情:等腰三角形的两边长分别为4cm和8cm,则它的周长为()A.16cmB.17cmC.20cmD.16cm或20cm【回答】C【考点】等腰三角形的*质;三角形三边关系.【分析】根据等腰三角形的*质,本题要分情况讨论.当腰长为4cm或是腰长为8cm两种情况....
    16     .Wearetaughthowtoholdaknifeandforkandnottota...
问题详情:    16     .Wearetaughthowtoholdaknifeandforkandnottotalkwithourmouthsfull.Wearetaughthowtoshakehandsandwhentostandandwhentositandthewaytointroducepeople.     17   .Almostever...
计算:(1)-4÷÷16; (2)(-81)÷2÷(-16); (3)(-35)÷÷(-|-9|).
问题详情:计算:(1)-4÷÷16; (2)(-81)÷2÷(-16); (3)(-35)÷÷(-|-9|).【回答】 (1);(2)-1;(3)-7.【解析】(1)原式先将除法转化为乘法,再根据有理数的乘法法则计算即可得到结果;(2)原式先将除法转化为乘法,再根据有理数的乘法法则计算即可...
9x2=16
问题详情:9x2=16【回答】解:(1)∵9x2=16,∴x2=,则;知识点:平方根题型:计算题...
 (16)
问题详情: (16)____Youprobablythinkyouwillneverbeatopstudent.Thisisnotnecessarilyso,however.Anyonecanbecomeabetterstudentifheorshewantsto.Here’show: Planyourtimecarefully.Whenplanningyourwork,youshou...
 16 Safetyinthehighwayisnotsomethingthatistotallyoutofo...
问题详情: 16 Safetyinthehighwayisnotsomethingthatistotallyoutofourcontrol.Herearefourwayswecanprotectourselveswhenwetravel.  17   Peopleinsmallcarsareinjuredmoreoftenandmoreseverelythanpeopletra...
Catsarethosecutecreaturesthatwelovehavinginourhomes. 16...
问题详情:Catsarethosecutecreaturesthatwelovehavinginourhomes. 16 Ifyoudon’tknowtheadvantagesyet,Icanenlighten(启发)you.Allyougottodoistoreadbelow.Comeon,itisworthyourtime.1.Theyaregreathang-outbuddies...
(﹣81)÷2+÷(﹣16);
问题详情:(﹣81)÷2+÷(﹣16);【回答】原式=﹣81×﹣×=﹣36;知识点:有理数的乘除法题型:计算题...
16.
16.
问题详情:16.____Homecanbeagreatplaceforchildrentostudy.It’simportanttoprovideaworkspaceoftheirownwheretheycanreadbooksorjustwritealettertotheirfriends.●Location(位置)17.   Kitchenanddiningroomaren...
 16 Ifyouaregrowingtomatoesinyourbackyardforsaleyouarep...
问题详情: 16 Ifyouaregrowingtomatoesinyourbackyardforsaleyouareproducingforthemarket.Youmightsellsometoyourneighborandsometothelocalmanagerofthesupermarket.Butineithercase,youareproducingforthemarket...
 16 Youprobablythinkyouwillneverbeatopstudent.Thisisnot...
问题详情:16Youprobablythinkyouwillneverbeatopstudent.Thisisnotnecessarilyso,however.Anyonecanbecomeabetterstudentifheorshewantsto.Here’show:Planyourtimecarefully.Whenplanningyourwork,youshouldmakealis...
  16 Whatwouldyoubelikeifyouweretotakethecollegeentranc...
问题详情:  16 Whatwouldyoubelikeifyouweretotakethecollegeentranceexamtomorrow?  17 Or,worriedanduneasy?“IwassurprisedathowIcouldgetangrysoeasilywithmyparentsbeforeabigexam,”saidaSeniorThreestud...
某凸透镜成像时,像距v跟物距u之间关系的图像如图所示,下列判断正确的是(  )A.该凸透镜的焦距是16cmB....
问题详情:某凸透镜成像时,像距v跟物距u之间关系的图像如图所示,下列判断正确的是()A.该凸透镜的焦距是16cmB.把物体从距凸透镜12cm处移动到24cm处的过程中,像逐渐变小C.当u<16cm时,该凸透镜可作放大镜使用D.当u=20cm时成放大的像...
已知一个等腰三角形的两边长是3cm和7cm,则它的周长为(  )A.13cm      B.17cmC.13或...
问题详情:已知一个等腰三角形的两边长是3cm和7cm,则它的周长为()A.13cm      B.17cmC.13或17cm     D.10cm【回答】B.知识点:等腰三角形题型:选择题...
Parentsfeelthatitisdifficulttolivewithteenagers.  16   ...
问题详情:Parentsfeelthatitisdifficulttolivewithteenagers.  16   Accordingtoarecentresearch,themostcommonargumentbetweenparentsandteenagersisthatregardinguntidinessanddailyroutinetasks.  17   ...
Mostofusleadabusylife.  16
问题详情:Mostofusleadabusylife.  16_Wethink,“IfIreachedmy goal,thenIwouldbehappy”,or“IfIcouldgetabetterjob,thenIwouldenjoylife.”Butwhynotenjoyliferightnow?Firstly,taketimetonoticeandappreciate thebe...
It’snormaltowakebrieflyduringthenight.  16 Butifyou’rew...
问题详情:It’snormaltowakebrieflyduringthenight.  16 Butifyou’rewakingupduringthenightandhavingtroublefallingbackasleep,thefollowingtipsmayhelp.Stayoutofyourhead.Thekeytogettingbacktosleepiscontinu...
  16      Yourschooldaysshouldbesomeofthebestandhappies...
问题详情:  16      Yourschooldaysshouldbesomeofthebestandhappiestdaysofyourlife.Howcanyougainthemostfromthem,andensurethatyoudonotwastethiswonderfulopportunitytolearn?    Bepositiveaboutschoo...
 16  Scientistsandexpertshaveprovedtheuniquenessoffinge...
问题详情: 16  Scientistsandexpertshaveprovedtheuniquenessoffinger-printsanddiscoveredthatnoexactlysimilarpatternispassedonfromparentstochildren,thoughnobodyknowswhythisisthecase.Theridge(隆起)structur...
Question:IhavebeenlearningEnglishforabout7years.   16  ...
问题详情:Question:IhavebeenlearningEnglishforabout7years.   16   AndIstillcan’tmakemyselfunderstoodinEnglish.However,IlovelearningEnglish.HowcanIlearnEnglishwell?Pleasehelpme.Answer:Manypeopleha...
16 Ateamgetsbetter.Akidpracticesmoreandswimsapersonalbe...
问题详情:16 Ateamgetsbetter.Akidpracticesmoreandswimsapersonalbestorlearnsanewmoveonthebasketballcourt.In2006,twothingshappenedthatgotmethinkingaboutchange—insportsandinlife.17Agassiwasaterrificplaye...
MaketherightchoicesWhatislife’sgreatestgift? 16
问题详情:MaketherightchoicesWhatislife’sgreatestgift? 16______Choiceistheabilitytoselectonecourseofactionfromasetofalternativestoachieveagoal.Whatissogreataboutchoice?Ittransformsusfromdumbanimalsint...
-16÷4×=        .
问题详情:-16÷4×=        .【回答】-1知识点:有理数的乘除法题型:填空题...
16.Thestorytellerwastellingusastoryinavividway
问题详情:16.Thestorytellerwastellingusastoryinavividway____________________ithimself.(asif)这个讲故事的人以一种生动的方式给我们讲了一个故事,好像他亲身经历过一样。17.Anofficialsaysabout3.33millionhectareso...
Everyoneknowsthatfishisgoodforhealth.16 Butitseemsthatm...
问题详情:Everyoneknowsthatfishisgoodforhealth.16 Butitseemsthatmanypeopledon’tcookfishathome.Americanseatonlyaboutfifteenpoundsoffishperpersonperyear,butweeattwiceasmuchfishinrestaurantsasathome.Buyi...
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