1、湖北省新高考联考协作体2023-2024学年度高二年级期末考试地理A试题1、2023高三第一学期浙江省七彩阳光新高考研究联盟返校联考政治试题考试试题长郡中学2022-2023学年高二上学期入学考试政治试题答案一、选择题(本大题共16小题,每小题2、智慧上进 江西省2023-2024学年高二年级12月统一调研测试地理答案1、智慧上进 江西省2024届高三12月统一调研测试生物答案1、智慧上进 江西省2024届高三12月统一调研测试政治答案1、智慧上进 江西3、[天一大联考]2024-2025学年(上)高二年级开学考语文试题1、[天一大联考]2024-2025学年(上)高二年级开学考理数试题1、天一大联考 2023-2024学年安徽高二(上)期末质量检测生物试题
解得:T=2.5N③(2)设细线绷紧前瞬间的速度大小为,对物块1由动能定理得FL-mgLsin 0=1④2my2细线绷紧过程中,物块1、2组成的系统动量守恒,由动量守恒定律可得mv=2m01细线绷紧过程中,由能量守恒定律得1△E=X2mu²?2mu?2解得:△E=0.2J评分标准:本题共12分。第(1)问5分,得出①②式每式各给2分,得出③式给1分;第(2)问7分,得出④56式每式各给2分,得出7式给1分。用其他解法正确同样给分。15.解:(1)导体棒由静止开始运动到PQ的过程中,由动能定理得1mgdsin 0=①解得:vo=√gd②(2)设导体棒做匀速直线运动时的速度大小为,此时回路中电流为③2R。导体棒做匀速直线运动时,由平衡关系得BIL=mgsin 0④mgRo解得:=B²L²导体棒进人磁场到运动x。距离的过程中,由动量定理得mgsin θ·△t-∑BiL△t;=mu—mUo?B²L2即:mgsinθ·t∑u△t;=mu-mUo2R。2mRodB²L²xo解得:△tB²L²NgmgRo(3)在t时刻,设回路中电流为i,则电容器两端电压为U=BLu-iR此时安培力功率为定值电阻功率的4倍,则BiLu=4i²R。此时电容器存储电荷为Q=CU安培力做功为W=∑BiLx;=∑BiLu△t其中:∑i△t=Q#3C(mgR。)解得:W=4(BL)评分标准:本题共16分。第(1)问3分,得出①式给2分,得出②式给1分;第(2)问6分,得出③④57式每式各给1分,得出6式给2分;第(3)问7分,得出①式给2分,得出890③式每式各给1分。用其他解法正确同样给分。12/12
1、[上进联考]广东省2024年高二上学期10月阶段检测考物理答案1、[河南省]洛阳市2023-2024学年高二质量检测(2024.6)试题(历史)1、河南省洛阳市2023-2024学年高二第一学期期末考试英语答案
B.健进了苏联衣业技术的革新D.体现了计划经济体制的特征B.加遗了原有国际格局的瓦解D.导致了英帝国殖民体系崩溃C转了太半洋战争历史进程B.世界经济发展不平衡性加剧D.新兴经济体坚持不结盟政策A发赵国家与南非洲牙盾失锐C.非洲国家贸易保护主义盛行材料一代茶,还有十进制数学、纸币、雨伞、钓鱼竿上的绕线轮、独轮车、多级火箭、枪炮、永下鱼霜、募气、降落伞、热气球、载人飞行、白兰地、威士忌、象棋、印刷术甚至蒸汽机的墨奉结构,全部源自中国。事实上,现代世界赖以建立的种种基本发明和发现,可能有一半以上源自中国。——摘编自【美】罗伯特·坦普尔:《中国:发明与发现的国度》材料二现代工业时代最重要的机器是时钟,而非蒸汽机。现代工业制度没有煤炭、钢铁和蒸汽机也许还能勉强应付,但没有时钟,是万万不能的。时钟的标准化和精确化代表着其他机器都渴望达到的完美。“时间就是效率”“像钟表一样准时”成为资产阶级的理想。19世纪末20世纪初,美国管理学家泰勒提出由管理部门分解工作,测定时间,提前设计时间成为生活的新媒介。发达的原因(10分)历史试
五四制八年级(下)Unit 3 基础能力训练听力原文及参考答案听力原文I.听句子,根据所听内容选择合适的应答语。句子读两遍。1. Would you like to go to Beijing on vacation?2. What would you like to do during this summer vacation?3. I'm going to travel around the world next year.4. How do you like Paris, the capital of France?5. Do you want to sail across the Pacific?Ⅱ.听对话和问题,根据所听内容选择正确答案。对话和问题读两遍。6. M: Would you like to go to India or Japan on vacation, Jane?W: Neither, Peter. I wish to go to Canada one day.M: Canada is a great country to take a holiday. I'd like to visit it, too.Q: Which country would Peter like to go to?7. M: I like exciting vacations, so I often go to different cities. How about you, Lisa?W: Bill, cities are really interest-ing. But I'm different. I like to go somewhere peaceful.M: Oh, I see. Then you must like visiting a small town or a quiet village.Q: What kind of vacations does Lisa like?8. M: Anna, tomorrow is Sunday. How about going to the park?W: Well, the park is big and nice, but there are always too many people on weekends.M: OK. So you'd like to visit somewhere peaceful, right?Q: Why doesn't Anna want to go to the park?9. W: What would you like to be when you grow up, Dave?M: I wish to be an engineer because I'm interested in science. What about you, Sandy?W: I used to dream of being a teacher. But now I'm dreaming of becoming a doctor. Then I canhelp sick people.Q: What does Sandy want to be when she grows up?10. W: Would you like to visit Xi'an this vacation with me, Tony?M: Why not, Anna? I hear it's an ancient and beautiful city.W: That's true. How are we going to get there, by bus or by train?M: I don't care as long as we can arrive there safely.Q: Which is TRUE about the conversation?Ⅲ.听对话,根据所听内容选择正确答案。对话读两遍。听第一段对话,回答第11-12小题。M: Judy, there will be a new movie tonight. Would you like to go to the cinema with me?W: I'd love to, Henry, but I have to finish my homework.M: What a pity! How about tomorrow evening?W: Let me see. Oh, that's OK. But I'd like to take my sister Ann with me. May I?M: No problem. See you then.W: See you.听第二段对话,回答第13-15小题。M: Vivian, the summer vacation is coming. Where would you like to visit?
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1、山西省大同市2023-2024学年高二年级期末质量监测化学试题1、山西省大同市2023-2024学年高二年级期末质量监测生物试题1、山西省大同市2023-2024学年高二年级期末质量监测生物答案1、山2、[上进联考]2023-2024学年第一学期高二年级期末测试(1月)英语试题1、2024届智慧上进 名校学术联盟·高考模拟信息卷押题卷(二)2生物试题1、2024届智慧上进 名校学术联盟·高考模拟信息卷押题卷(二)2生物·GX答案
全国100所名校高考冲刺卷NO与Cu+形成配合物提供孤电子对iCaCO;(s)CaO(s)+CO2(g)ii . 2CO2(g)2CO(g)+02(g)t min时,反应达到平衡状态,测得的体积分数为 20%。下列说法不正确的是弥弥0.25D. 0~t min 内,u(O2)mol: Lmin法不正确的是封封Li-InB.该电池工作时,电势:LCO@LNO电极
1、[上进联考]2024年5月江西省高二年级统一调研测试答案(历史)1、上进联考 七彩联盟2023-2024学年第二学期高二年级期中联考试卷及答案答案(历史)【解析】材料指出中国的经济建设不能像贾桂一样都是奴隶气,其实强调的是独立自主、自力2、金太阳大联考南阳地区204年秋季高一年级期中适应性考试卷(25-123A)物理试题1、金太阳大联考南阳地区204年秋季高一年级期中适应性考试卷(25-123A)生物答案1、金太阳南阳地区2024年春季高二期末适应性考试(24-594B)英语答案
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