电阻式传感器被广泛应用与测力、测压、称重,它的核心部分是一只可变电阻,一同学用如图甲所示电路研究某电阻式传感器的特性,图中R0为定值电阻,R为电阻式传感器,当控制其阻值从0变为60Ω,测得传感器消耗的电功率与通过它的电流关系图象如图乙所示,已知电源电压恒定不变.
(1)当通过传感器的电流为0.1A时,传感器的电阻为60Ω;
(2)求P1的值;
(3)求R0的阻值.
Wouldhehaveseenyouifyouhadn’t_____tohim?
软产道不包括
翻译训练:地域特色文明
文明是多彩的,人类文明因多样才有交流互鉴的价值。文明是平等的,人类文明因平等才有交流互鉴的前提。文明是包容的,人类文明因包容才有交流互鉴的动力。
当今世界,人类生活在不同文化、种族、肤色、宗教和不同社会制度所组成的世界里,各国人民形成了你中有我、我中有你的命运共同体。应该推动不同文明相互尊重、和谐共处,让文明交流互鉴成为增进各国人民友谊的桥梁、推动人类社会进步的动力、维护世界和平的纽带。应该从不同文明中寻求智慧、汲取营养,为人们提供精神支撑和心灵慰藉,携手解决人类共同面临的各种挑战。
PartIIICloze
Directions:Therearetwentyblanksinthefollowingpassage.Foreachblanktherearefourchoices.ChoosetheonethatbestfitsintothepassageandthenmarksyouranswerontheAnswerSheet.
Beforethe20thcenturythehorseprovideddaytodaytransportationintheUnitedStates.Trainswereusedonlyforlong-distancetransportation.
Todaythecaristhemostpopular61oftransportationinalloftheUnitedStates.Ithascompletely62thehorseasameansofeverydaytransportation.Americansusetheircarsfor6390percentofallpersonal64.
MostAmericansareableto65cars.
Theaveragepriceofa66madecarwas1050in1950,1740in1960andupto1750671975.DuringthisperiodAmericancarmanufacturerssetabout68theirproductsandworkefficiency.
Asaresult,theyearlyincomeofthe69familyincreasedfrom1950to197570thanthepriceofcars.Forthisreason71anewcartakesasmaller72ofafamily’stotalearningstoday.
In195173ittook8.1monthsofanaveragefamily’s74tobuyanewcar.In1962anewcar758.3ofafamily’sannualearnings.By1975itonlytook4.7576income.Inaddition,the1975carsweretechnically77tomodelsfrompreviousyears.
The78oftheautomobileextendsthroughouttheeconomy79thecarissoimportanttoAmericans.Americansspendmoremoneyto80theircarsrunningthanonanyotheritem.
61.A.kindsB.meansC.meanD.types
62.A.deniedB.reproducedC.replacedD.ridiculed
63.A.hardlyB.nearlyC.certainlyD.somehow
64.A.tripB.worksC.businessD.travel
65.A.buyB.sellC.raceD.see
66.A.quicklyB.regularlyC.rapidlyD.recently
67.A.onB.inC.behindD.about
68.A.raisingB.makingC.reducingD.improving
69.A.unusualB.interestedC.averageD.biggest
70.A.slowestB.equalC.fasterD.lessthan
71.A.bringingB.obtainC.boughtD.purchasing
72.A.partB.halfC.numberD.side
73.A.clearlyB.proportionallyC.percentageD.suddenly
74.A.incomeB.workC.plansD.debts
75.A.usedB.spendC.costD.needed
76.A.months’B.dollarsC.familyD.year
77.A.famousB.superiorC.fastestD.purchasing
78.A.runningB.noticeC.influenceD.discussion
79.A.thenB.asC.soD.which
80.A.startB.leaveC.keepD.repair
产程中胎心监护,下列哪项是错误的