16D.16的精选

问题详情：计算：﹣24的结果为（）A．﹣8 B．8   C．﹣16D．16【回答】C【分析】﹣24表示4个2的乘积的相反数．【解答】解：﹣24=﹣16．故选C．【点评】乘方是乘法的特例，乘方的运算可以利用乘法的运算来进行．注意区分（﹣2）4≠﹣24．知识点：有理数的乘方题型：选择...

问题详情： 16  Scientistsandexpertshaveprovedtheuniquenessoffinger-printsanddiscoveredthatnoexactlysimilarpatternispassedonfromparentstochildren,thoughnobodyknowswhythisisthecase.Theridge（隆起）structur...

问题详情：    16     .Wearetaughthowtoholdaknifeandforkandnottotalkwithourmouthsfull.Wearetaughthowtoshakehandsandwhentostandandwhentositandthewaytointroducepeople.     17   .Almostever...

问题详情：将杂合子个体逐代自交3次，在F3代中纯合子的比例为（）A．1/8B．7/8C．7/16D．9/16【回答】解：杂合体Aa连续自交n代，杂合体的比例为（1/2）n，纯合体的比例是1-（1/2）n．将具有一对等位基因的杂合体，其基因型为Aa，逐代自交3次，所以在F3中纯...

问题详情：如图，是一组按照某种规律摆放成的图案，则图5中三角形的个数是（）A．8B．9C．16D．17【回答】考点：规律型：图形的变化类．分析：对于找规律的题目首先应找出哪些部分发生了变化，是按照什么规律变化的，进而得出即可．解答：解：由图可知：第...

问题详情： 16 Safetyinthehighwayisnotsomethingthatistotallyoutofourcontrol.Herearefourwayswecanprotectourselveswhenwetravel.  17   Peopleinsmallcarsareinjuredmoreoftenandmoreseverelythanpeopletra...

问题详情：Question:IhavebeenlearningEnglishforabout7years.   16   AndIstillcan’tmakemyselfunderstoodinEnglish.However,IlovelearningEnglish.HowcanIlearnEnglishwell?Pleasehelpme.Answer:Manypeopleha...

问题详情： 16 Ifyouaregrowingtomatoesinyourbackyardforsaleyouareproducingforthemarket.Youmightsellsometoyourneighborandsometothelocalmanagerofthesupermarket.Butineithercase,youareproducingforthemarket...

问题详情：Mostofusleadabusylife.  16_Wethink，“IfIreachedmy goal，thenIwouldbehappy”，or“IfIcouldgetabetterjob，thenIwouldenjoylife.”Butwhynotenjoyliferightnow?Firstly，taketimetonoticeandappreciate thebe...

问题详情：   将一对遗传因子的杂合子，逐代自交3次，F3中纯合体的比例是A.1/8 B.7/8 C.9/16D.6/17【回答】B知识点：遗传的基本规律单元测试题型：选择题...

问题详情：已知复数z满足（1﹣i）=2，则z5=(    )A．16  B．﹣4+4i  C．﹣16D．﹣16i【回答】B【考点】复数代数形式的混合运算．【专题】数系的扩充和复数．【分析】由已知的等式利用复数代数形式的乘除运算求出，得到z，再由复数代数形式的...

问题详情：－16÷4×＝        ．【回答】-1知识点：有理数的乘除法题型：填空题...

问题详情：  16      Yourschooldaysshouldbesomeofthebestandhappiestdaysofyourlife．Howcanyougainthemostfromthem，andensurethatyoudonotwastethiswonderfulopportunitytolearn?    Bepositiveaboutschoo...

问题详情：MaketherightchoicesWhatislife’sgreatestgift? 16______Choiceistheabilitytoselectonecourseofactionfromasetofalternativestoachieveagoal.Whatissogreataboutchoice?Ittransformsusfromdumbanimalsint...

问题详情：Catsarethosecutecreaturesthatwelovehavinginourhomes. 16 Ifyoudon’tknowtheadvantagesyet,Icanenlighten（启发）you.Allyougottodoistoreadbelow.Comeon,itisworthyourtime.1.Theyaregreathang-outbuddies...

问题详情：Parentsfeelthatitisdifficulttolivewithteenagers.  16   Accordingtoarecentresearch,themostcommonargumentbetweenparentsandteenagersisthatregardinguntidinessanddailyroutinetasks.  17   ...

问题详情：果蝇体细胞中有8条染*体，其有丝*中期细胞中的染*单体数是（）A．4B．8C．16D．32【回答】解：由于果蝇的染*体数是8条，在有丝*的中期，每一条染*体含有2条染*单体，所以有丝*的中期染*单体的数目是16条．故选：C．知识点：细胞增殖题型：选...

问题详情：16Youprobablythinkyouwillneverbeatopstudent.Thisisnotnecessarilyso,however.Anyonecanbecomeabetterstudentifheorshewantsto.Here’show:Planyourtimecarefully.Whenplanningyourwork,youshouldmakealis...

问题详情：  16 Whatwouldyoubelikeifyouweretotakethecollegeentranceexamtomorrow?  17 Or,worriedanduneasy?“IwassurprisedathowIcouldgetangrysoeasilywithmyparentsbeforeabigexam,”saidaSeniorThreestud...

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...

问题详情：正项等比数列的值是A.4B.8C.16D.64【回答】 C  知识点：数列题型：选择题...

问题详情：16.____Homecanbeagreatplaceforchildrentostudy.It’simportanttoprovideaworkspaceoftheirownwheretheycanreadbooksorjustwritealettertotheirfriends.●Location(位置)17.   Kitchenanddiningroomaren...

问题详情： (16)____Youprobablythinkyouwillneverbeatopstudent.Thisisnotnecessarilyso,however.Anyonecanbecomeabetterstudentifheorshewantsto.Here’show: Planyourtimecarefully.Whenplanningyourwork,youshou...

问题详情：16 Ateamgetsbetter.Akidpracticesmoreandswimsapersonalbestorlearnsanewmoveonthebasketballcourt.In2006,twothingshappenedthatgotmethinkingaboutchange—insportsandinlife.17Agassiwasaterrificplaye...

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...