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单枪匹马你别怕，一腔孤勇又如何，这一路你可以哭，但不能怂，总得熬过无人问津的日子，才能迎来成功和鲜花。(Q0经典说说)【材料二】爱你孤身走暗巷/爱你不跪的模样/爱你对峙过绝望/不肯哭一场/爱你破烂的衣裳/却敢堵命运的枪…致那黑夜中的鸣咽与怒吼/谁说站在光里的才算英雄。(《孤勇者》歌词)请阅读上述材料，围绕话题“孤勇”自选任务，借助“参考角度”进行构思写作。任务写作对象目的类型参考角度成长过程中总有挣扎时分和孤勇时任务一校报记者分享记叙文刻。你因何挣扎？为何孤勇前行？讲述你的“孤勇”故事。任务二同班同学探讨议论文谈谈你对“孤勇”的认识要求：①自拟题目，然后作文。②不少于600字。③所选任务作文须符合对应文体特征；④文中请回避与你有关的人名、校名、地名。

21.(8分)世界第一“大碗”一景德镇昌南里文化艺术中心主体建筑，其造型灵感来自于宋代湖田窑影青斗笠碗，寓意“万瓷之母”.如图所示，“大碗”的主视图由“大碗”主体ABCD和矩形碗底BEFC组成，已知AD∥EF,AM,DN是太阳光线，AM⊥MN,DN⊥MN,点M,E,F,N在同一条直线上.经测量ME=FN=20.0m,EF=40.0m,BE=2.4m,∠ABE=152°.(1)求“大碗”的口径AD的长；(2)求“大碗”的高度AM的长(结果精确到0.1m,参考数据：sin62°≈0.88，cos62°≈0.47，tan62°≈1.88)太阳光线B第6页（共8页）【数学·九年级LNBSD(第17期)·闯关卷（十七）】

方法2：如图，在FE,CF上取点M,Q,且满足FM=号FE,CQ=了CF,连接MP,QM,QN,因为FP=FH,HE=DE=1,有兴=了所以PM∥HE,且PM=号HE=3,…3分又因为AD∥BC,AD=2,BC=1,所以=C=2,NCBC所以N0∥AF,且N0=了AF=了，…5分又DE∥AF,所以NQ∥PM,且NQ=PM=了，所以四边形MPNQ为行四边形，所以QM∥NP,又QMC面EFC,NP￠面EFC,所以NP∥面EFC;…8分(2)由(1)方法1可知G(1,0,1),F(0,0,1),C(1,1,0),E(0,2,2),…9分设面GFC的法向量为m=(x1,,z),则mF元=0，即=0，zmF乙=0，x1+y-2=0,M取z1=1得面GFC的一个法向量为m=(0,1,1),FP…11分G设面EFC的法向量为n=(x2,z2),AD则mF居=0，即2+=0，nF元=0，x2+2-z2=0,B取y2=1得面EFC的一个法向量为n=(-3,1,-2),…13分(0,1,1)·(-3,1,-2)则cosm,m）=m:n√1P2+1Px,-3P+2+2一1-√2X√14洛由图知二面角E一FC-G为钝角，故二面角E-5C-G的余弦值为-？。…15分18.【考查意图】本小题设置数学学情境、探索创新情境，设计直线与抛物线相关的开放性问题，主要考查直线的方程、抛物线的方程及基本性质，直线与抛物线的位置关系等基础知识：考查函数与方程、化归与转化及数形结合等思想方法，考查直观想象、数学运算及逻辑推理等数学核心素养。【解析】(1)由已知，点F的坐标为(1,0)，且可设直线AB的方程为x=my+1,联立方程组X=m+1,消去，得-4my-4=0(*),…2分y2=4x,因为△=(-4m)2-4×1×(-4)=16m2+16>0,所以y,y2为方程(*)的两个实根，且y2=一4，因为点A,B在抛物线E上，所以=县·兽-g16=1,为常数；……5分

sing one path in life often means other options become impossible. In the end, the poet chooses road that looks “less travelcd by", which many readers take as making the poem contain moreut individualism too-doing things your own way, not as evcryone else does.The poem became more scrious thanks to World War I. Frost left England to avoid the war,Thomas couldn't decide whelhcr lo slay and fight or to follow Frost to America. In 1915, Frost the poem to Thomas. And whilc il wasn'I the only rcason Thomas finally decided to fight in,war, he fell it was making fun of his indccision.What inspircd Frost to write the pocm The Road Not Taken?A. The countrysidc lifc.B.Onc of his friends.C. His difficulty in making choices.D. His eagerness for self-discovery.What did Frost's words “1'm ncvcr more serious than whcn joking" suggest?A. The poem containcd some hidden mcanings.B. The poem was not meant to be taken seriously.C. He did nol regard his own writing as importanl.P. He put lots of efforts into the crcation of the poem..How do many readers interpret the poct's choice of the road?A way of displaying individualism.$A representation of life's unavoidable challenges.i. A piece of advice about following others’ choicesp. An expression of regret for not taking the other path.7.What lesson can be learned from the story behind The Road Not Taken?. Humor has no place in the serious works of literature.B. It is important to think over something said by poets.i.Even good friends can finally take separate paths.D. Even the most playful creation can become something significant.CScientists have for the first time discovered a cave(洞穴） on the Moon. At least 10O m deep,1 could be a great place for humans to build a base that will continue forever. Moreover, it is justone in probably hundreds of caves hidden in an “underground, undiscovered world", according tothe researchers.Helen Sharman, the first British astronaut to travel to space, said that the newly discoveredcave looked like a good place for a base, and suggested humans could potentially be living in lunarpits(坑) in 2O—30 years. But this cave is so deep that astronauts might have to get in and out withspecial equipment， she added.Lorenzo Bruzzone and Leonardo Carrer at the University of Trento in Italy found their evidence in data from NASA's Lunar Reconnaissance Orbiter (LRO). Using new processing techniques.the leam reanalyzed the data and they spotted radar（雷达） reflections.“ The most likelyexplanation for our observations is an empty space," said Leonardo Carrer. And while this is thefirst of its kind that the team has uncovered, there are likely manymore.The cave can be seen by human eyes from Earth, and is also where Apollo 11 landed in 1969.“It's really exhilarating. When you make these discoveries and you look at these images, yourealize you' re the first person in history to see it," Prof Carrer said.Scientists first realized there were probably caves on the Moon around 5O years ago. Then in2010 a camera on LRO took piclures of pits that scientists thought could be cave entrances. But theresearchers did not know how deep the caves might be, or if they would have collapsed. ProfBruzone and Prof Carrer's work has now answered that question, although there is much mor英语试题第4页(共8页)

sing one path in life often means other options become impossible. In the end, the poet chooses road that looks “less travelcd by", which many readers take as making the poem contain moreut individualism too-doing things your own way, not as evcryone else does.The poem became more scrious thanks to World War I. Frost left England to avoid the war,Thomas couldn't decide whelhcr lo slay and fight or to follow Frost to America. In 1915, Frost the poem to Thomas. And whilc il wasn'I the only rcason Thomas finally decided to fight in,war, he fell it was making fun of his indccision.What inspircd Frost to write the pocm The Road Not Taken?A. The countrysidc lifc.B.Onc of his friends.C. His difficulty in making choices.D. His eagerness for self-discovery.What did Frost's words “1'm ncvcr more serious than whcn joking" suggest?A. The poem containcd some hidden mcanings.B. The poem was not meant to be taken seriously.C. He did nol regard his own writing as importanl.P. He put lots of efforts into the crcation of the poem..How do many readers interpret the poct's choice of the road?A way of displaying individualism.$A representation of life's unavoidable challenges.i. A piece of advice about following others’ choicesp. An expression of regret for not taking the other path.7.What lesson can be learned from the story behind The Road Not Taken?. Humor has no place in the serious works of literature.B. It is important to think over something said by poets.i.Even good friends can finally take separate paths.D. Even the most playful creation can become something significant.CScientists have for the first time discovered a cave(洞穴） on the Moon. At least 10O m deep,1 could be a great place for humans to build a base that will continue forever. Moreover, it is justone in probably hundreds of caves hidden in an “underground, undiscovered world", according tothe researchers.Helen Sharman, the first British astronaut to travel to space, said that the newly discoveredcave looked like a good place for a base, and suggested humans could potentially be living in lunarpits(坑) in 2O—30 years. But this cave is so deep that astronauts might have to get in and out withspecial equipment， she added.Lorenzo Bruzzone and Leonardo Carrer at the University of Trento in Italy found their evidence in data from NASA's Lunar Reconnaissance Orbiter (LRO). Using new processing techniques.the leam reanalyzed the data and they spotted radar（雷达） reflections.“ The most likelyexplanation for our observations is an empty space," said Leonardo Carrer. And while this is thefirst of its kind that the team has uncovered, there are likely manymore.The cave can be seen by human eyes from Earth, and is also where Apollo 11 landed in 1969.“It's really exhilarating. When you make these discoveries and you look at these images, yourealize you' re the first person in history to see it," Prof Carrer said.Scientists first realized there were probably caves on the Moon around 5O years ago. Then in2010 a camera on LRO took piclures of pits that scientists thought could be cave entrances. But theresearchers did not know how deep the caves might be, or if they would have collapsed. ProfBruzone and Prof Carrer's work has now answered that question, although there is much mor英语试题第4页(共8页)

南关区2024一2025学年度上学期九年级质量调研题参考答案及评分细则（英语）一、基础知识（共10分）1-5 BCBAD 6-10 DBCDC二、阅读（共45分)11-15 BBACC16-20 ADBDD21-25 BBCAC26-30 DACBD31-35 BACDC36-40 ACBBD41-45 TFFTT46-50 BDECA51.Three/3.52.J.K.Rowling./J.K.'Rowling wrote Harry Potter./J.K.Rowling is thewriter of Harry Potter.53.When he was in high school./When he was a student in high school.54.Because they didn't let their failures define themselves but to teachthemselves.55.Don't let yourself down.(评分说明：简略回答与完整回答，赋全分。其它答案，若有合理成分，可的情赋分。)四、语言运用（共10分）56.oldest57.kinds58.a59.especially60.its61.to drive62.takes63.traditional 64.how65.but五、书面表达（共20分）(A)One possible version:Dear Michael,Our school is organizing a trip to Jingyuetan Snow World onDecember 10th.I would like to invite you to join us for it.It will beexciting.We will meet at the school gate at 1 p.m.Remember to wearwarm clothes.Let me know if you can join us by this Friday.Lookingforward to your reply.LiHai

大部分输出机械能输入电能用电器内能小部分输出A.电饭煲B.白炽灯C.电热水器D.电风扇5.(2分)如图所示，电源电压为6V,闭合开关后，电压表的示数为4V,则下列描述不正确的是()RR2SA.R1两端电压为2VB.R2两端电压为4VC.开关断开后，电压表无示数D.开关断开后，电压表示数为6V6.(2分)如图的插线板中，a接电源，b接台灯，c接电风扇，两个用电器均正常工作时，a、b、c中的电流分别用Ia、b、1。表示，它们之间的关系是()A.Ia=IbB.Ic=Ia+IbC.Ia=Ib+IeD.Ib=Ic7.(2分)请你仔细观察并分析电路图，下列说法正确的是()12A.两灯串联，两电压表示数相同B.两灯并联，两电压表示数不同C.两灯串联，两电压表示数不同D.两灯并联，两电压表示数相同第2页（共11页）

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1、陕西省2023-2024学年度八年级第一学期第二次阶段性作业地理.1、陕西学林2023~2024学年度九年级第一学期第一次阶段性作业 化学答案第六次月考1.D【解析】明矾[KA1(S0,):·12H:O]在水中可水解生成氢氧化铝胶体，可吸2、陕西省2023-2024学年度八年级第二学期阶段性学效果评估(A)数学答案6.如图，在钝角△ABC中，角A,B,C所对的边分别是a,b,c,A>三，过点A作与AC垂直的单位向量方，将与向量表达式AC+CB=AB两边进行数量积的运算，即方.c+C)=j·B,化简后得到的结论是3、陕西省2024-2025学年度第一学期九年级阶段性学效果评估（四）物理试题1、陕西省2024-2025学年度第一学期九年级阶段性学效果评估（四）物理试题1、陕西省2023-2024学年度八年级第二学期阶段性学效果评估(A)物理(人民教育4、陕西省高一2024-2025学年度第一学期阶段性学效果评估(二)2生物试题1、陕西省2024-2025学年度第一学期九年级阶段性学效果评估（四）化学答案1、陕西省2024-2025学年度第一学期九年级阶段性学效果评估（四）物理试题