29.What sets food forestry apart from community gardening？It'sa catch-22 situation:The wearable device may help you better manage yourA.lt belongs to private sections.chronic heart condition,but wearing it could make you anxious -which is bad for thoseB.It continues with active maintenanceconditions.C.It has more traditional gardening practices.32.What is the main idea of the second paragraph?D.It provides free access to the public.A.Usage of personalized health data.30.What is implied in Liz's words about BFFC?B.Benefits of wearing wearables.A.Its main project.B. Its management rules.C.How to manage health condition at home.C. Its basic ideas.D.Its consequence evaluationD.When to seck medical attention.31.What is the volunteers’way of weeding like?33.What can we infer from the study？A.SustainableB.Laborious.C.Efficient.D.Destructive.A.About 89 people were healthy.DB.Wearables monitor people's condition accurately.Wearable trackers and monitors (such as smart watches) are increasingly popular andC.About 35 people experienced intense anxiety.sophisticated.D.Wearables can make people's condition worseWearables are playing an increasing role in managing and detecting conditions likeatrial fibrillation（心房颤动），themost common heart rhythm problem.For many people，A.A dilemma.B.A reality.C.A category.D.A phenomenon.the sense that they are receiving reliable, objective and personalized health data can35.What might be a suitable title for the text？encourage feelings of confidence，safety and assurance, especially when combined withA.Digital Devices Are Irreplaceable in Lifesymptom trackers or patient diaries.This may allow patients to self-manage theirB.Being Monitored Is Good for Our Healthcondition at home with their families，rather than spending time in hospital-reducingC.Wearables Are Like the Coin with Two Sidesanxiety and stress. In a clinical setting. data may also encourage patients to take part inD.Wearables Lead People to be More Anxiousshared decision-making.Interpreting health data together with doctors or other health-care第二节（共5小题；每小题2.5分，满分12.5分）professionals,they can develop goals and action plans, including when to seek help, and阅读下面短文，从短文后的选项中选出可以填人空白处的最佳选项。选项中有两项为when to go to hospital.Patients who understand their condition tend to report fewer atrial多余选项。fibrillation symptoms.In ancient times， the more information our ancestors had， the more likely they wereHowever,a study examined the behavior and well-being of 172 people with atrialto survive. However, nowadays, this is the first time in history that humans have beenfibrillation over a nine-month period.It found the 83 people who used wearables toexposed to such a constant flow of information.While it’s important to stay informed， toomonitor their condition were more worried about their symptoms and treatment，with onemuch information can make us feel confused and anxious.As we all know, too many high-in five experiencing “intense anxiety”. Chronic anxiety can contribute to stress， burnoutcalorie foods can lead to obesity.36and poor physical health，which in turn can exacerbate （加剧） heart conditions.We're not just seeking relevant information to increase our chances of survivalSome people also describe being a “prisoner of the numbers”. They feel they “need toanymore.We fallinto rabbit holes，scroll （滚屏）our feeds mindlessly，and watch videokeep checking the device to know how they were doing， leading to the device dominatingafter video by clicking on the recommended links.37And we have lost control overtheir lives”,The volume and frequency of notifications (通知），alarms and vibrations fromthe content we consume. Just as you try to eat healthily to improve your. physical health,wearable devices can be overwhelming and make people worry about their health.going on an information diet is a way to control what you consume to takecare of yourInformation overload can also discourage self-management，with notifications insteadmental health.Here are some simple ways to start an information diet to break theprompting people to seek health advice more often than they otherwise would.information addiction英语试题（一）（共12页）第7页英语试题（-）（共12页）第8页
Text4W:Mark, we are going to be away for one week. I am worried about our dear pet.Who will takegood care ofit?M: Let me see.Sue will take a week off, but she is going to visit her grandparents. Oh, that's it.My cousinSandy!She is free now.She can helpwith it.Text5M: Karen, guess what! I got the very last record I needed for my opera collection today.W:Wow, congratulations!You realized your dream at last.M:Yeah.I've been collecting these records since I was a kid.This calls for a celebration.Come on.Let's go out and have someItalian food.My treat.Text6M: What can I do for you,madam?W: I didn't order this.M: I'm sorry.I made a mistake.This isTable 9's order. I'mvery sorryW: That's okay. It's pretty busy right now.M: Thanks for your understanding.W:What about my order?M: I'll check on your order right now.You have towait 15-20 minutes,madam.W: Please do it a bit faster if possible.I'm in a hurry.M: I am trying my best.Text7M:Hello,can I speak to Mrs.Wilson,please?W: Speaking.M: Hello,Mrs.Wilson,this is Royfrom Martin Plumbing.I'm sorry to inform you that I won’t beable to stop by this afternoon because I got an emergency call five minutes ago about a pipebursting.W: Oh my god!Thank youfor telling me.When will you be available to come by and take a lookat my pipes?M: I will be free tomorrow afternoon.Does that work out foryou?W: Yes, that'll be fine.Also, please remember to use the back door.My front stairs need to berepaired.Text 8W: Good morning,FarawayFlights.How canI helpyou?M:Hello,this isSteveLau.Id like to speak toMr.Tucker,please.W: Ah,Mr.Lau,OK,I'll put you through. One moment,please...I'm sorry.I'm afraid he istalking with someone else.His line is busy.M: Well, the reason I'm phoning is to make an appointment for my interview with him this week.W: Ohyes,I know about that. I have Mr.Tucker's diary here.Sowould you like tomake anappointment now?M:Yes.Will Thursday morning suit him?第5页（共6页）263748
宇宙速度为武小大更晶kgRngR2kgR2ngRAB.、如图所示，在离地面高h的O处固定一点光源，其正前方水距离为L处竖直放置一mv2v。2hA.OV10/s.01.020C.影子做匀加速直线运动，加速度大小为g单色激光自球冠右表面的A处沿半径AO方向入射，通过透明介质后，光线与水中心轴OC交于P点，PB间的距离为6A.该光线从球冠左表面出射时的折射角为53°BRB.该光线在透明介质中的折射率为！C.该光线在透明介质中传播的时间为D.若该光线从透明介质的左侧面内任意一点水向右入射，均A2可从右侧球面出射7.如图所示，光滑水面上放置质量均为m的两块木板，是其上分别有质量均为2m的机器人，两机器人间用一不可伸长的轻绳相连。现用水拉力F拉其中一块木板，使两机器人和两木板以相同加速度一起运动，机器人与木板间的动摩擦因数为μ，最大静摩擦力等于滑动摩擦力，8重力加速度为g，则轻绳对机器人的最大拉力大小为Fml6μmgC3μmgA. 3μmg3μmgB.C.a5(高三物理试题第2页(共8.页)
22:39 4553%14.(13分)解：(1)离子在加速电场中由动能定理有qU=mu²-0(2分)(1分)物理参考答案及评分标准第4页(共6页)(2)离子在磁场中做匀速圆周运动，由牛顿第二定律有quB=m(2分)由几何关系知R=r(2分)解得B=√q(3)离子进人正方体abcd－a'b'c'd'匀强电场区域做类抛运动有垂直电场方向l=ut(1分)沿电场方向gE=ma(1分）=αt²(1分)解得E=(2分)15.(16分)解：(1)小物块A离开水轨道后刚好能从C点切入圆弧轨道做圆周运动有解得uc=3m/s物块A从C到D 过程机械能守恒有mAuc²+mAg(2R)=mAun²(1分)物块A在D点处由牛顿第二定律Fx-mAg=mA%(1分)解得:F=60 N(1分)(2)由rt 图像可知:爆炸后瞬间物块A的速度大小为vA=5 m/s(1分)物块A在水轨道上运动的时间为t=0.40 s爆炸后物块 A在水轨道上运动过程由运动学公式及牛顿第二定律有Uc=UA-at(1分)μmAg=mAa(1分)解得μ=0.5(1分)(3)物块 A、B 爆炸过程,由动量守恒定律有mAUA—mBUB=0(1分)解得uB=10m/s物块B在斜面轨道向上运动过程有mBgsin 0十μmBgcos 0=mpaz(1分)解得a2=10 m/s²物理参考答案及评分标准第5页(共6页)=5 m>3.2 m(1分)故物块B通过E点有两种情况：①物块B沿斜面上升阶段通过E点时：s=-a²(1分)解得t=0.400 s或t=1.60 s(舍去)(1分)②物块B沿斜面下降阶段通过E点时：上升过程的时间t==1 s(1分)
22:39 4553%14.(13分)解：(1)离子在加速电场中由动能定理有qU=mu²-0(2分)(1分)物理参考答案及评分标准第4页(共6页)(2)离子在磁场中做匀速圆周运动，由牛顿第二定律有quB=m(2分)由几何关系知R=r(2分)解得B=√q(3)离子进人正方体abcd－a'b'c'd'匀强电场区域做类抛运动有垂直电场方向l=ut(1分)沿电场方向gE=ma(1分）=αt²(1分)解得E=(2分)15.(16分)解：(1)小物块A离开水轨道后刚好能从C点切入圆弧轨道做圆周运动有解得uc=3m/s物块A从C到D 过程机械能守恒有mAuc²+mAg(2R)=mAun²(1分)物块A在D点处由牛顿第二定律Fx-mAg=mA%(1分)解得:F=60 N(1分)(2)由rt 图像可知:爆炸后瞬间物块A的速度大小为vA=5 m/s(1分)物块A在水轨道上运动的时间为t=0.40 s爆炸后物块 A在水轨道上运动过程由运动学公式及牛顿第二定律有Uc=UA-at(1分)μmAg=mAa(1分)解得μ=0.5(1分)(3)物块 A、B 爆炸过程,由动量守恒定律有mAUA—mBUB=0(1分)解得uB=10m/s物块B在斜面轨道向上运动过程有mBgsin 0十μmBgcos 0=mpaz(1分)解得a2=10 m/s²物理参考答案及评分标准第5页(共6页)=5 m>3.2 m(1分)故物块B通过E点有两种情况：①物块B沿斜面上升阶段通过E点时：s=-a²(1分)解得t=0.400 s或t=1.60 s(舍去)(1分)②物块B沿斜面下降阶段通过E点时：上升过程的时间t==1 s(1分)
10:00淘2025年高三诊断考试化学..2025年兰州市高三诊断考试化学试题参考答案及评分标准、选择题：本题共14小题，每小题3分，共42分题号12345答案DBCDABD题号101213答案CABDC二、非选择题：本题共4小题，共58分。15.（14分，除标注外，每空2分）（1）提高反应速率，增大浸取率(2）Fe(OH)33~4.22Fe2++H2O2+4NH3+4H2O=2Fe(OH)（3）2H20-4e=O2↑+4H+（4）4（1分）分液（1分）萃取剂I难溶于水，且能与16.（15分，除标注外，每空2分）（1）托盘天、药匙抽气，减小吸滤瓶、安全瓶中的压强加快过滤速度取最后一次洗涤滤液于洁净的试管中，加入盐酸酸化的氯化钡溶液，若无白色沉淀生成，则说明己洗涤干净（其他合理答案也可）（2）防止草酸分解（3）2KHC2O4+CuO=50°℃=K2[Cu(C2O4)2]+ H20 洗去晶体表面杂质和水分，减少洗涤本溶解造成的产物损失，加速晶体干燥。(4）Cu2017.（15分，除标注外，每空2（1）+90.2kJ-mol-l(3）COOH*-+2H"+OH"（或H20=H*+OH*）（4）0.01MPa（7）T500K时，反应已达衡，随着温度的升高，反应衡逆移，甲醇产量降低。(2)NO（3）还原反应（4）缩放：100%2CHOHOHCH(5）7H;CCH和H-CHOH第1页共1页W口口编辑转Word转图片保存更多0
10:23 4G 预览www.weiyun.com103.15kPa2025年中考安徽名校大联考试卷（·化学参考答案及评分标准第1页共2页1/2二、非选择题（本大题包括5小题，共28分。）13．（5分，除标注外每空1分）②TiO2+2C+2CI,高温TiCl4+2CO（2分）（1）①导电性（2）有机物(3）-114．（6分，除标注外每空1分）（1）分液漏斗（2）HC2O4HO+CO↑+CO2↑（2分）（3）吸收二氧化碳观察到D中黑色粉末变红即可证明生成物中含有一氧化碳（4）增加尾气处理装置15．（6分，除标注外每空1分）(1） 44.5（2）使反应物充分接触，加快反应速率Mg(OH),+HSO4=MgSO4+2HO（2分）(3） MgSO4（4）冷却（或降温）16．（6分，除标注外每空1分）（1）2H2O2催化剂2H2O+O2↑（2分）（2）其他条件相同时，比较催化剂种类对“大象牙膏”实验效果的影响（3）其他条件相同时，酵母浓度越大，“牙膏”喷出瓶口所需时间越短(4)③6（5）10%的酵母溶液、10%的过氧化氢溶液注意：若答对以下小题奖励3分，试卷总分不超过40分。（6）过氧化氢溶液浓度或温度（7）不是高锰酸钾的化学性质发生了改变17.（5分）（1）设理论上生成四氧化三铁的质量是x。16823216.8g232168 = 16.8gx=23.2g答：理论上生成四氧化三铁的质量是23.2g。（4分）（2）空气（或氧气或0）（1分）2025年中考安徽名校大联考试卷（一）·化学参考答案及评分标准第2页共2页保存以上内容为图片
1、2025年陕西省初中学业水考试[SX1]化学试题1、陕西省九年级2024届初中学业水考试模拟(八)8试题(化学)1、2024年陕西省初中学业水考试全真模拟(一)1道德与法治答案-
13.老李今年85岁，名下有一套房产，膝下有一子小李，常年在国外生活，与老李也很少联系。老李长期疾病缠身，时生活起居、生病住院期间，一直是其弟弟李二某在帮忙、照顾。为了感谢他的精心照顾，老李与其弟弟李二某签订协议，约定李二某负责老李的生养死葬，并自书遗瞩，将死后房产归李二某所有。老李死后，李二某取得房产，但小李将李二某起诉至法院。下列分析正确的是A.李二某尽了抚养义务，依遗瞩可以获得该房产B.李二某可以通过遗赠扶养协议的方式获得遗产C.本案中的房产应由李二某和小李两人均分配D.小李若不服判决，可在判决书送达15日内提起上诉14.2025年，中俄文化年项目继续举办。许多俄罗斯人将中国视为一个充满异国情调和神秘色彩的国家，是“东方智慧宝库”和精美艺术的发源地。俄罗斯小伙谢尔盖法对中国传统文化非常感兴趣，到中国参加非物质文化遗产体验活动。他选择体验的项目基于以下推理①只有选择剪纸，才选择京剧②要么选择京剧，要么选择太极③如果选择书法，就要选择京剧④只要不选择太极，就不选择茶艺已知谢尔盖法没有选择太极，必然可以推出他选择了A.京剧和书法B.茶艺和书法C.京剧和剪纸D.茶艺和剪纸15.2024年10月2日上午，为体验历史文化遗产的深厚内涵与独特魅力，北京大学考古文博学院特别举办了北京中轴线徒步活动。师生们从北京中轴线的南端起点永定门启程，沿着古朴的中轴线道路遗存，一路游览了先农坛、正阳门、万宁桥等历史悠久的古迹，最终抵达了雄伟的鼓楼。徒步结束后，师生们感叹：北京真美。下列对材料所涉及的推理认识正确的是A.其前提和结论之间的联系是或然的B.是从真前提保证能够推出真结论的推理C.由一般性的前提可以推出个别性的结论D.类比的根据越多，结论的可靠程度就越高高三思想政治试题第5页（共8页）
