安徽省2023-2024学年度第一学期八年级期中考试数学考试卷

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安徽省2023-2024学年度第一学期八年级期中考试数学考试卷试卷答案

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M:That'ssocool!IwishIhadtheconfidencetodothat.Itseemslikeitwouldbefun,butI'mtoonervousbecauseI'veneveractedbefore.W:Oh,youshoulddoit!Wereallyneedanotheractor.I'veaskedeveryoneIknowtojoin...myfriends,mybrothers,andevenmynext-doorneighbors!Butnoonewantsto.M:Hmm,maybeIcanhaveatry.IlovethestoryofBeautyandtheBeast.W:Metoo!AndI'mplayingBelle,thebeauty-theheroineintheplay!Youcouldtryplayingthehero.Hedoesn'treallytalkthatmuch.Oryoucouldtakeoneofthesmallroles,likeapersoninthecrowd.M:Okay,I'llplaythehero!IpromisedmyselfthatIwouldtrynewthingsandmakemorefriendsthisyear.Thisisaperfectchancetodothat.听下面一段独白，回答第17至第20四个小题

现在，你有20秒钟的时间阅读这四个小题

(Text10)W:You'reabouttostartagreatadventure.Thisgroupistakinga15-daytourofLon-don,ParisandRome.YourpackageincludesroundtripticketsfromNewYork.Youalsohaveallhotelsinthosethreecapitalcities.Hotelshavebeencarefullychosentobecomforta-bleandbeingoodpositions.Thesearefour-starhotelsinthecenterofeachcitysoyou'llbeabletowalkeasilytoalltheimportantplacesofinterest.You'llhavefivedaysineachofthethreecities,includingthreeguidedsightseeingtoursineachcity.You'llhavealotoffreetimetovisitmuseums,goshoppingorjustexploreinterestingplacesonyourown.Breakfastin-cludescoffeeortea,fruitjuiceandbread.Whatarealsoincludedarethreelunchesandthreedinnersineachcapital.Anagenthasbeenarrangedbyourtravelagencyineachofthethreecities.You'llbemetbythemattheairport.Thispersonwillaccompanyyoutoyourhotelsandwillbeavailableduringyourentirestaytoansweranyquestionsandhelpyouplanwhattodoinyoursparetime.Onthelastdayineachplace,you'llbetakenbacktotheairportforthenextpartofyourtrip.Oneimportantthingistoremembertobeontime.Thisisimportantsowecanseeeverythingthathasbeenplanned.Pleasehaveyourbaggagereadyby9ameachdaywetravelsowecansetoutquickly.Wehopeyouenjoyyourtrip.第二节到此结束

现在，你有两分钟的时间将试卷上的答案转涂到答题卡上

听力部分到此结束

试题答案听力：1~5ACBAC6~10BABAC11~15BBCCA16~20BABCA阅读理解：21~23BDCA篇：本文是一篇应用文，主要介绍了几本适合青少年阅读的小说

21.B【解析】细节理解题

根据第一本书和第二本书的内容可知，它们主要讲述了主人公独金卷仿真密卷（一）英语参考答案第4页（共10页）23·JJ·FZM

15.(18分)如图所示,固定斜面的倾角为=37^,,斜边长L=1m。。从斜面顶端由静止释放一质量为m=1kg的小物块,到达斜面底端时,滑上放在光滑水平地面上的长木板。假定物块从斜面底端滑上长木板时速度大小不变,物块与斜面间的动摩擦因数1=0.5,,与长木板间的动摩擦因数为2=0.1,,长木板质量为M=2kg且足够长,物块不会从木板上滑落。已知重力加速度:大小取10m/s^2,37^=0.6,37^=0.8,,求:(1)物块在斜面上运动过程中,摩擦力做的功。(2)物块滑到斜面底端时,重力做功的功率。(3)物块在和长木板相互作用过程中,摩擦力对物块做的功及系统产生的热量各为多少?