1、河北省2024-2025学年第一学期阶段性学业检测三（九年级）文数答案1、安徽省2024-2025学年度第一学期九年级作业辅导练(三)物理答案1、陕西省2024-2025学年度八年级第一学期第二次阶段性作业（C）生物（苏科版）试题
3，故取AM=AN=3)连接AM，AN，则点P在四边形ABBA与四边形ADDA上的运动轨迹为线段AM和AN，且AM=AN=6当P在四边形ABCD上运动时，其轨迹是以A为圆心，3为半径的圆的三分之一.（提示：故符合要求的弧长为圆的131综上，点P的轨迹长度为6+6+x6π=12+2π3故答案为：12+2π.三、解答题15.（1）在ABC中，由正弦定理及acosC-asinC-b+√2c=0，得 sinAcosC-sinAsinC-sinB+√2sinC=0，又sinB= sin(A+C)=sinAcosC+sinCcosA,则sinAcosC-sinAsinC-sinAcosC-sinCcosA+√2sinC=0，而sinC>0,化简得sinA+cosA=√2，即sin（A+）=1，而元因此A+ππ4442所以A=4V22（2）在ABC中，由cosC=得sinCsinBcosC-sinc210得c=4√2b，由D是边BC中点，得2AD=AB+ACsinCsinB'√本1则4AD²=（AB+AC)²=b²+c²+2bccosA=41b²，因此AD=AD｜=b2bADb8√41在△ADC中，由正弦定理得sinADCsinZADCsincsinCAD20516.（1）100个病人中恰好有80人被治愈的概率为f(p)=CP°(1-p)(ds-）(（d-)do=o（d-1）do-（d-1)do=（d）fi令f（p)=0，得p=0.8，当p∈(0,0.8)时，f"（p)>0,f（p)单调递增当p∈（0.8,1)时，f（p)
ars.A house car is both house and a car.It's a little expensive (41)worth the money.There is a driving area in the car,and also many specialareas just like our home in the car.There is a bed and a lamp (42)the bedroom.You can cook dinner in the kitchen.You can listen to musieand (43)TV in the siting room.If you are (44)you canhave a shower or a bath in the bathroom.You can do (45)you wantat home.Life is like travelioyowantoiv in this kind of car?五、读写综合（本大题分为A、B两部分，共25分）A.回答问题（本题共5小题，每小题2分，共10分）请阅读下面短文，根据所提供的信息，回答5个问题。要求所写答案语法正确、语义完整切题，并将答案写在答题卡对应题目的答题位置上。Lin Xing is a 15-year-old boy.He works hard and does well in school.It is hard to believe that he used to have difficulties in school.When hisparents moved to the city to work,they could not be at home to look afterhim.So he became less interested in studying and classes.Then his parentsmade a decision to send him to a boarding school.He found life theredifficult.One day he told his teacher he wanted to leave the school.Histeacher advised his parents to talk with their son in person.This conversationchanged his life.He realized that his parents would always love him,andthey would be proud of everything good that he did.Now he is muchhappier and more outgoing than he used to be.Annie is a 17-year-old girl.She used to be really shy and she wasworried about that,so she asked her parents for help about her problem.Her mother talked with her and advised her to take up singing to deal withher shyness.She took her mother's advice and started to take singinglessons and practiced hard.As she got better,she dared to sing in front ofher class,and then for the whole school.Now she is not shy any more andloves singing in front of the crowds.46.What was Lin Xing's problem?47.When did Lin Xing become less interested in studying?◆九年级英语第7页（共8页）
第二节阅读Largnade thi的短文。B Divisicaccoprettymteamneardfurth6n假定你是李华，你们班级今天的“英语课堂3分钟”辩论题目是“学校是否应该China'sSilk Roadundbuilding(gain)wider initiativeeartherH1 to damageihe19inspections.and sharesancient city dates backpatroller.continue,include rammedincludes#bringing-anancientfarmingled cellphone,aZhaopark-1often(village)himg an archaeological tourismIn 2007, when his father's poor health no longer allowed Recently, the importance of the Dalt archaeological siteancient city. Hisieshispue请你分享你的观点。,while 62 (record) their condition on lrelics,09theirunearthed relics,initiative to protect the ancient city, becoming the2.请按如下格式在答题卡的相应位置作答。awareness,tYong took over the task of protecting the 写作（共两节，满分40分）Xinjiang Uygur autonomous region.实施电子产品禁令(electronics ban)”，#their homes, but due to a lack o1.写作词数应为80左右；inner walls are58mrosperous) to the village.documents key areas, !一节（满分15分）1．陈述你的观点；Dear fellow students,Thank you!四部分第注意：第第四个选项中，选出可以 Finally, I askedmud. My mind in grief onICUheartbrokenthrew away eaten updrowninglooking in realityrelaxing【号卷·A10联盟2025年高考原创压轴卷（一）·英语第8页共10页returnedbotheredtrainerbagD.minor gleaming in the 1 cancerDDDDD·D·阅读下面短文，从短文后各题所给的A、B、C和 D Dsuffering terrible pain. Yet, through it all she remained in that casegiven upgettingteacherdynamicdesperateoccupiedtobeing oftenandrotItwasallydonebut itapromised of my mom. She hadpenny-turnedyoungsevere第三部分语言运用（共两节，满分30分）sign53100SUCUC I bent down with tears in my eyes andC. challengingknockingovercamedepressed demandedB. put outconfusedpanickedsearched in totalflashedproof45cosyB. ring填人空白处的最佳选项。myself, Why is life soBBBBBBB.BBBBB.B.representative51. A. disappointed encounteredPthe ground.odle53. A. picked up. A. temporary1.A. run out A. stewingA. in a rowpositive-.A. appliedhad saved.A.coachproblems.A. toughdatedA.penA.A.A.1#37495、b间甲小间变同受拟同图人系缓耀减b不相相碗于模绳
1、安徽省芜湖市2024-2025学年度第一学期九年级素质教育评估试卷政治答案1、安徽省芜湖市2024-2025学年度第一学期九年级素质教育评估试卷政治答案1、2023-2024学年度第二学期芜湖市义务教育教学质量监控八年级试题卷答案(语文)
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