mA.的精选

问题详情： ①实验用的小灯泡的电流约为0.2A，等于mA．②    半导体收音机电源的电流约为50mA，等于A．③    家用电*箱的电流约1A，等于μA．【回答】200  0.05   106知识点：电流的测量题型：填空题...

问题详情：在*水中存在多种分子和离子，它们在不同的反应中表现各自的*质。下列实验现象和结论一致且正确的是mA．加入有*布条，有*布条褪*，说明溶液中有Cl2存在B．溶液呈黄绿*，且有刺激*气味，说明有Cl2分子存在C．先加入盐**化，再加...

问题详情：逻辑推理是化学学习中常用的一种思维方法，以下推理中正确的是mA．化合物都是由不同元素组成的，不同元素组成的物质一定是化合物B．金属镁排在金属活动*顺序表中*元素的前面，所以其与**反应一定放出*气C．中和反应都有...

问题详情：完成下列填空：一节干电池的电压为V；我国照明电路的电压是V；家庭节能灯中的电流约为0.1A=mA．【回答】【考点】电压；电流的单位换算．【分析】知道一节干电池的电压为1.5V；我国照明电路的电压为220V；知道电流单位的换算...

问题详情：下列各项都属于两栖动物的一组是(  )mA．乌龟、青蛙、鳄鱼                                                      B．大鲵、小鲵、乌龟C．蝾螈、大鲵、...

问题详情：已知*P={x|x2≤1}，M={a}．若P∪M=P，则a的取值范围是(    )A．（﹣∞，﹣1] B．[1，+∞）   C．[﹣1，1]D．（﹣∞，﹣1]∪[1，+∞）【回答】C【考点】*关系中的参数取值问题．【专题】*．【分析】通过解不等式化简*P；利用P∪M=P⇔M⊆P；求出a的范围．【...

问题详情：Americansplanpartiesformanyreasons.Asinothercultures,manyAmericansattendpartiesforweddingsandreligiousornationalholidays.ButsomepartiesareespeciallyAmerican.Forexample,agroupofneighborsmaygath...

问题详情：—Howaboutthebookyouarereading?—Goodindeed.It         manyproblemswehavecomeacrossinourstudy.A、says          B、talks            C、reports          ...

问题详情：   ThereisacandyshopnearwhereIlive.Onits 41  itsays,“MadeFreshEveryHour.“Historyisbeingmadeeveryday.Itisbeingmadefresheveryhour.Wereadaboutitinthenewspapersandthemagazines,or42aboutito...

1、SteveMartinandLilyTomlin,highlyrecommended.2、SteveMaddenandChristianDiorfollowed.3、SteveMartinwentfromgoofycomediantoartisticnovelist....

WherewasMaYunborn?ItshowsthatMaYunhasdonehisbusinesssuccessfully.MaYunwasappointedDeputyraloftheGuangdongPriceBureau.(2009.07.10).Perhaps,whatthefutureofitindustryenvisageswithoutMaYunissobad.Then,MaY...

问题详情： EveryyearafloodoffarmersarriveinShenzhenforthemoney-makingjobsthey_____beforeleavingtheirhometowns.  A.promised   B.werepromised   C.havepromised  D.havebeenpromised【回答】D知识点...

问题详情： “Beatingisasignofaffection,cursing(骂)isasignoflove.”ManymaynotexpecttohearthewordsoftheoldChinesesayinginthesemoderntimes—withparentswealthierandbettereducatedthantheyhaveeverbeen—butex...

1、RemyMartinCentaureLimoges2、RemyMartinCarafeDecanter3、Asaworld-renowned"wine",hasbeenRemyMartincognacisoneoftheworldmarketleader,occupyingone-thirdoftheshares.4、ThebrandsthatNanpuactsassoleagen...

ma'amschool=dameschool)Wouldyoulikeacup,ma'am?Doyouwantacoldwave,ma'am?Putallyourcarry-onbaggageonthebelt,ma'am.Hesays,''Yes,ma'am,therodandreelis$20.00,theduckcallis$3.00,andthecatfishstinkbai...

1、JustaskJohnMayer.2、JohnMajor(Conservative,1990-97)....

问题详情：ThegreatdamagewhichtheearthquakeonMay12inNepal       madeagreatmanypeoplehomeless.A.broughtin       B.broughtup      C.broughtout     D.broughtabout【回答】D知识点：动词...

AwomanrentingoutthecostumeshandedMr.Maaleatherholster.AftermakingfriendwithLaoMa,grandpagetsaclearunderstandingoftheofficer.TheextractofBauhiniaZeeland,MaMapleseedcanmadeweevillarvaedied;所以anathema...

Andmicrofinance’srelianceonpeerpressureforrepaymentmustbetheenvyofanymainstreambankerstrugglingwithrisingforeclosuresand“jinglemail”;delinquencyratesaremicroscopic.InthecurrenthousingslumpmanyAmeri...

问题详情：Doyouwanttoimproveyourphysicsandchemistrygrades?Well,maybeyoushouldfirstlearnsomethingaboutthestruggles(奋斗)ofgreatscientists.TheAmericanPsychologicalAssociationdidaninterestingstudy.Morethan...

问题详情： EveryyearafloodoffarmersarriveinShenzhenforthemoney–makingjobsthey_____beforeleavingtheirhometowns.A.promised  B.werepromised C.havepromised D.havebeenpromised【回答】D知识点：现在完成时...

问题详情：Organicfarmingavoidstheuseofchemicalpesticidesandman-madefertilizers.Supporterssayorganicfarmingisbetterfortheenvironmentthantraditionalmethods.Butstudieshaveshownthatorganicfarminggenerallypr...

问题详情：Whataretheadvantagesanddisadvantagesofeatingfastfood?Manypeopledonothavetimetoeathome-cookedfood. 36There’remorethan13,000McDonald’srestaurantsintheUnitedStatesitself,andover8,000KFCsin80co...

问题详情：Itistenyears     he        .A.for,married    B.since,married   C.for,wasmarried   D.since,wasmarried【回答】B知识点：相似相近词比较题型：选择题...

问题详情： —Whatwillhappenifadrivergetsannoyedinatrafficjam?  —Manydriversare_____andtheywillpushintootherlanesoftrafficorpassothercars.  A.abnormal                   B.addicte...