[今日更新]安徽省2023-2024学年度八年级阶段诊断（三）.物理试卷答案

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[今日更新]安徽省2023-2024学年度八年级阶段诊断（三）.物理试卷答案试卷答案

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W:Oh,thisisabeautifulnecklace.Thanksalot.Bytheway,howlongwillyoubehere?M:You'rewelcome.IplantostayinLosAngelesforhalfayeartopracticespeakingEnglish.(17)ThenImaygotoChicagofortwomonths.W:Well,Iknow.Youmustbetired.Takearestfirst.Letmeshowyouyourroom.Text10Hi!I'mKevin,andIwanttosayhellotoallcampleaders.You'regoingtohaveareallyfuntimethissummeratCanyonFalls.(18)Butit'salsogoingtobehardwork!Soenjoythesetwodaysbeforethekidsarrive!Now,firstIwanttotalktoyouaboutatypicaldaywithkidshereatCanyonFalls.Thewake-upcallwillbeatseventhirtyeverymorning.You'llhearabelloutsideyourcabin.Whenyouhearthebell,wakeupthekidsinyourcabin.Therearetwelvekidsineachone.Theyneedtowashanddressbeforeeight.Ateighto'clock,we'llmeetinthefieldandraisetheflag.Breakfastisateightfifteeneverydayinthebigtent.(19)Ataquartertonine,thekidsreturntotheircabinsandtidyup.Thereisaninspectioneverymorningatninefifteen.(20)Duringtheinspection,wewillcheckthatthecabinsarecleanandtidy,sothechildrenneedtomakethebed,tidyawaytheirclothesandsweepthefloorbeforethattime.Athalfpastnine,thefirstactivitysessionwillstart.Therearefouractivitieseveryday.参考答案B1版Words1.labourer;laborious2.attainable;unattainable;attainment3.anticipation;anticipated;unanticipated4.service;serviceable;servant5.qualified;unqualified;qualification6.application;applicant;applicable7.refreshed;refreshing;refreshment8.subscriber;subscription9.tighten;tightness10.immature;maturityPhrases1.earnmake2.一定会，很可能会3.for4.喜爱5.up6.让...处于危险之中7.swing8.处于有利地位，有优势9.使自己镇静下来10.keep11.全力以赴12.向某人试探地透露主意Sentencepatterns1.AmongthebooksI'veread,Iappreciateliterarybooksthemost.Foronething,literarybookshelptoimprovemywritingskills.Foranother,theycanbroadenmyhorizonsandenrichmylife.2.ItdawnedonmethatitwasaveryrareopportunityB1-B4版

(2)该同学根据记录的两个弹簧测力计的示数及细线的方向,作出两个弹簧测力计上拉力F1、F2的图示并作平行四边形,得到这两个拉力合力的(填“理论值”或“实验值”)F,如果在误差允许的范围内.F和重物对O点的拉力,则力的平行四边形定则得到验证:

4.“世界上第一个想利用火箭飞行的人”是明朝的士大夫万户。他把47个自制的火箭绑在椅子上,自己坐在椅子上,双手举着大风筝,设想利用火箭的推力,飞上天空,然后利用风筝平稳着陆。假设万户及所携设备[火箭(含燃料)、椅子、风筝等]总质量为M,点燃火箭后在极短的时间内,质量为m的炽热燃气相对地面以v0的速度竖直向下喷出。忽略此过程中空气阻力的影响,重力加速度为g,下列说法中正确的是A.火箭的推力来自燃气对它的反作用力B.在燃气喷出后的瞬间,火箭的速度大小为mv0MC.喷出燃气后万户及所携设备能上升的最大高度为m^2x0^2g(M-m)^2D.在燃气喷出后上升过程中,万户及所携设备动量守恒