23.(4分)实验是进行科学探究的承要方式」化学实验小组在实聆室中制取何气，请根据如图所示装置回答问题：(1)仪器①的名称：(2)若用装置下收集何气，怎样验满？(3)实验室用高任酸钾制取氧气，应选用的实验装置（用字母序号表示）：写高话酸钾制取何气的文字表达式。24.（2分)化学是一门以实验为基础的学科，请根据图示回答下列问题：(1)实验1：先收集两瓶气体，空气和呼出的气体（集气瓶的大小规格相同、澄清石灰水一样)，然后等量的澄滴加等量的澄清石灰水，震荡。该实验可得出的清石灰水结论是什么？人体呼出(2)实验2：集气瓶内若不加水，可能发生的后果是的气体什么？实脸1实险2四、综合应用题（共10分）】25.科技缔造生活，化学创新未来。(1)(3分)2023年9月6日，中国自主研制全球首辆氢能源智轨电车成功发往马来西亚。氢气做能源有什么优点？（答两点)保持氢气化学性质的最小粒子是。A.氢元素B.氢原子C.氢分子D.氢离子(2)(3分)2023年9月21日，在“天宫课堂”中神舟十六号航天员在太空点燃蜡烛，火焰呈球形与地面火焰不同，充分燃烧产物相同。实验小组利用如图装置探究蜡烛燃烧及组成。烧杯中的蜡烛燃烧熄灭后，注射器推人澄清的石灰水。请你描述观察到的现象，由此得出蜡烛中一定含有哪些元素？(3)(4分)2023年9月22日，央视报道，我国首次子注射器太空育种的大樱桃在陕西铜川移栽成功。为提高樱桃的产量可施加一定量的碳酸氢铵地面(NH,HCO,)。计算：①碳酸氢铵中氢、碳元素的质量比：探究蜡烛燃烧产物的实脸装置图②碳酸氢铵的相对分子质量；③100g碳酸氢铵中含氨元索多少克？(②③要有计算过程，③的计算结果保留一位小数)九年级化学第4页（共4页）

第22.What can we say about Chef Angela-Michelle?第27.Which of the following words can best describeShe is an experienced online chef.Oztan?分B.She makes sweets better than other foods.C.She is more popular with kids than with努A.Talented and humorous.B.Hard-working and brave.adultsResponsible and devoted.D.She spends lots of time communicating withD.Confident and strict.读kids.读C第28.How did Thomsen react to the wood sticking outof the sand?部23.What do the last two classes have in common?She took it seriously.A.They are suitable for beginnersB.She didn't think much of it.They last the same amount of time.C.She felt her long-time search had paid off.D.She carefully related it to a recent disaster.C.They aim to pass on traditional cooking skills.29.What do we know about the newly found canoe?D.They teach people to make their favoriteA.It is the biggest canoe discovered nearby.读takeout at home.It is the oldest canoe found in the region.C.It is the first ancient canoe dug up in the areaD.It is the most advanced ancient canoe everfoundB30.What do White Eagle's words suggest?第A.His ancestors were master shipbuilders.24.What challenged Oztan right after he moved toB.American transportation first appeared alongAmerica?Teejop.C.Native people lived a self-sufficient life for quite分How to get ingredients for hometown food.some time.B.Where to obtain a PhD in civil engineering.The discovery of the canoe confirmed hisC.How to become a seed farmer in Westancestors had lived in Teejop for ages.Virginia.31.What can be the best title for the text?读D.Where to find a part-time job to supportA.Canoes:key transport in ancient timeshimself.B.Tamara Thomsen:a great archaeologistA second ancient canoe found in WisconsinD.The Great Lakes occupied by native peopleD第32.Why does the author mention the use of25.What was the produce selection like at Americansmartphones in paragraph 1?努A.To introduce the functions of emojis.grocery stores in 2006?A.It focused on personal needs.B.To explain why emojis developed fast.It was very limited.C.To tell us where emojis are mainly used.C.It was rather appealing.To show emojis have become widely used.D.It offered well-prepared food.33.What does "bolster"underlined in paragraph读2 mean?.Improve.B.Start.gC.Predict.D.Suggest.34.Which of the following shows Professor Kendrick第26.What does the last paragraph mainly talk about?Davis'opinion?Oztan's efforts in saving traditional varieties.A.Emojis shouldn't be used in letters from doctors.B.Major obstacles can be caused by emojis sometimesB.The significance of saving traditionalEmojis can help patients finish medical surveys分varieties.better.C.The changes Oztan's project brings toD.Care providers are poor at communicating withpatientstraditional varieties.35.What does Professor Kendrick Davis most probably读D.The challenges Oztan faces in savingplan to do?traditional varieties.A.Create completely new emojis.B.Use emojis to measure mental health.Work with researchers with qualitative methods.D.Create an emoji-based measurement system alone3

17:326团飞68四4t令62英语试题答案35880.doc●●●文件预览听力文稿2/5edup late last night watching the snowstorm as wild wind blewthe snow.高三英语参考答案第2页（共4页）M:Have you ever had snow in your country before?W:Never.The sky is.clear now.I'm wondering how it feels to play withsnow.Text 2M:Good morning.What can I do for you?W:Good morning.I need to send this parcel to England,please.M:OK,pass me the parcel through the opened window and let's seehow much it weighs.Text 3W:I went to the library with my friends on Saturday.I read a best-sellerby Nicholas Sparks and had a really,really relaxing time.How wasyour weekend?M:It was great.I went to a restaurant,which sells chicken wings,withmy co-workers.Then we watched a movie starred by DwayneJohnson.Text 4W:Do you have any books on Roman civilization?M:Books here are about ancient history.W:This is the one I'm looking for.Can I check this one out with mystudent card?M:I'm sorry.It's for reference only.Text 5W:So,I want to make lunch today.Do we have anything to make lunchwith?M:We have some eggs,bacons,and some beef.W:That's not enough.I think we have to go to the store.Let's writedown what we need,and buy them for lunch.Text 6W:Dad,will you read to me?M:Uh,Ellen,let me finish the newspaper first?W:You've been saying that forever!M:Well,how about reading the business section of the newspapertogether?W:That's boring.My teacher says you have to read to me every night,so the newspaper doesn't count.Let's read this book.It's about abear.M:I'm almost done.Go draw a picture first.After you finish drawing,we'll start reading the story.高三英语参考答案第3页（共4页)通过「QQ浏览器」使用以下文档功能去使用>☑编辑？适应屏幕口格式转换Text 7

所以当a>e时，g(a)=a-2lna>g(e)=e-2>0,所以f()>0.…9分因为>e时

由于∠MC为镜角，所以sin∠MAC=V-cos'∠MMC_3V54所以tan∠MAC=sin∠MAC_3V5cOS∠MAC1319.已知函数∫(x)=3-k·3x(k∈R)是奇函数.（1)求实数k的值：(2)设关于x的不等式f(ax2+1)+∫(-(a+1)x)

C.水分子间可形成分子间氢键，故S的简单氢化物沸点低于O的简单氢化物沸点，C错误：D.B、C、E可以组成各原子均满足8电子稳定结构的某种微粒为(SCN)2,D正确。14D【详解】A.向磷化镓废料中加入NaOH、H,O2,溶液，发生主要反应GaP+4NaOH+4H2O2-NaGaO2+Na:PO4+6H2O.SiO,+2NaOH=Na,SiO,+H,O,NaGaO,Na:PO4.Na,SiO进入浸出液中，Fe,O,、CaCO难溶于氢氧化钠溶液形成滤渣I,A错误：B.温度过高，H,O,受热易分解，故“碱浸”时温度不能过高，B错误：C.“中和”时加入适量硫酸，碗酸过量会使G(OH),溶解，“酸溶”时加入足量疏酸保证H,$i0和稼元素分离，C错误：D.滤渣Ⅱ中含Ga(OH)、H,SiO,沉淀，向滤渣Ⅱ中加入硫酸，Ga(OH),转化为可溶于水的Ga2(S043,分离出滤渣Ⅲ(HSO,),D正确.15.【共14分，每空2分】(1)2H,S01+02=4H+2S0(2)③(3)Cu+2H2S04(浓)△CuS04+S02↑+2H20(4)B(5)E(6)①S2-②BD16.【共14分，每空2分】(1)吸收二氧化疏，避免污染环境(2)增大接触面积，提高反应速率，使焙烧充分，提高原料的利用率适当升温或将矿石粉碎（合理回答即可）(3)95℃和cHS04)=3.0mo1/L(4)R3N-HReO4+NH3=NH+ReO:+R3NR3N-HReO4+NH3-H2O=NH+ReO+R3N+H2O(5)0.005 mol (NH4)Re(S04)4-H2017.【共16分，除特殊标注外，每空2分】(1)三颈烧瓶(2)除去混合液中的稀碗酸(3)乙髓过滤洗涤干燥（各1分）(4)fg(或gf)debc(5)否碱石灰用于吸收O中混有的酸性气体和水蒸气，浓确酸用于吸收少量氨气和防止E中水蒸气进入C中干扰实验，互换后不能达到实验目的(6)SnC1+N20+2H2O=SnOHOl+N2+2HC118.【共14分，除特殊标注外，每空2分】(1)@4N0+3C10;+2H0-4N0;+3CI+4Hr(写“三”也可给分)第3页

二、非选择题（本大题包括5小题，共28分）13.（5分)阅读下列科普短文，回答问题。“绿色、智能、节俭、文明”是杭州亚运会的四大办赛理念。全佳安石墨烯防滑剂是一种新型的防滑材料，在2023年杭州亚运会上被广泛应用。石墨烯防滑剂采用的是无毒、无害的石墨烯材料，不会对环境和人体健康造成危害。石墨烯由碳原子按如图方式排列而成，碳受日光照射或与空气、水分接触，都不容易起变化。杭州亚运会交通使用绿色环保的电动汽车作为运输工具。(1)石墨烯由碳原子构成，其化学符号为C，C的微观意义是(2)石墨烯的化学性质是(3)碳原子的最外层电子数为与元素的化学性质关系最密切的是(填字母)。A.元素的相对原子质量B.元素的核电荷数C.原子的核外电子数D.原子的最外层电子数(4)杭州亚运会许多新科技的使用给你的启示是14.（6分)下图是实验室中常见装置。回答下列问题：(1)仪器①的名称是(2)写出用A装置制取气体的文字表达式；在试管口放一团棉花的作用是（3)经验证用B装置收集到的氧气纯度低，可能的原因是(4)用D装置收集的气体应具有的性质是15.(6分)家用桶装纯净水的生产流程如下。据图回答下列问题：精密过滤器置原水箱水泵石英砂活性炭软化器高压泵RO反渗透纯水箱(1)活性炭过滤器能过滤去水的不溶性杂质，还对水中的异味和色素有作用。(2)硬水中含有较多可溶性钙、镁化合物，它们以离子的形式存在于水中，钙离子的符号是要比较软化前后水的硬度变化，检验时需要控制的量有A.水样的体积B.肥皂水的浓度C.肥皂水的滴数(3)反渗透膜上有众多的孔，这些孔的大小与水分子的大小相当，细菌、病毒、大部分有机污染物九年级化学·第3页共4页

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As for raising animals,many hobby farmers wouldI didn't want to question the neighbors yet,so I startedprobably agree that chickens are a great animal to starta neighborhood search 29 by checking between thewith.l9_B_And you'll get organic(有机的)eggs every语houses and in the front yards but with no 30.Then I读day.Besides,they will help out with pest()control in言运thought maybe my husband had removed the hat toyour garden.play a joke on me.31,he had fooled me before.A.Such a farm has a small size.B.They're relatively easy to raise.C.But making money is not your purpose.(C)29.A.bravelyB.politelyC.secretlyD.hopefullyD.How can you start your hobby farm properly?(B)30.A.ideaB.luckC.doubt D.regretE.And you need to get ready to work all year round.(D)31.A.As a resultB.In that caseF.You should find the right land to start your hobby farm.C.In shortD.After allG.Of course,some crops will grow nicely in the rainy areas.Well,whatever you grow and raise,remember"No,"he said but laughed that I was so 32 aboutkeeping a hobby farm is a large responsibility.You mustthe hat.make sure your chickens have water and food every day.五So,the dog went hatless through Christmas.AfterTalk with local experts to understand how to best takecare of your crops and animals.20 E言运Christmas,I 33 the Santa hat to a new neighbor.A.Such a farm has a small size.(A)32.A.anxiousB.curiousB.They're relatively easy to raise.C.But making money is not your purposeC.annoyedD.confusedD.How can you start your hobby farm properly?(B)33.A.presentedB.mentionedE.And you need to get ready to work all year roundC.explainedD.offeredF.You should find the right land to start your hobby farm.G.Of course,some crops will grow nicely in the rainy areas.第一节"You mean that hat up in the tree?"He pointed toThis was our first Christmas at our new home ina tree."The squirrels (around here will find语Texas from Minnesota.We weren't sure what the 21语anything colorful to 34 a nest ().for putting up Christmas decorations were,soThis was so unbelievable-the squirrels should be言运用we decided to do our normal decorating.the 35 Anyway,they did have a nice warm home forVe always wore Santa hats(圣诞帽)when we运winter.had 22 at Christmas.(D)34.A.dig B.saveC.shareD.make(C)21.A.signsB.goals C.customs D.strategies(C)35.A.inventorsB.architects(B)22.A.fansB.guests C.customers D.volunteersC.wrongdoersD.travellers第二节Since we didn't know anyone in the neighborhood,阅读下面短文，在空白处填入1个适当的单词或括号内there would be no visits or 23 to parties.We单词的正确形式。decided to tape the Santa hats onto our two life-size五I was about 8 years old.And my brother and I24 statues outside the house,and I thought the言运neighbors would enjoy seeing some 25 decorating.言运were outside 36 calmly (calm)doing gardeningwork.It was 377a cloudy mid-summer day(C)23.A.repliesB.keysC.invites D.warningswhen suddenly the sky got very dark and(A)24.A.d0gB.birdC.lion D.horseeverything felt "still".(D)25.A.foreignB.gracefulI looked over at my brother 38 whose eyesC.advancedD.uniquewere looking at the sky.He appeared surprised andfrightened at the sudden change.The next day,I noticed one dog's Santa hat 26.IThen,I 39 heard (hear)my mom shouting,started a 27 around the house,looking for the hat.I"Tornado!"I looked back and she was running语thought it might have 28 and was in our yard or a语towards us and anxiously ordered us 40 to comenearby neighbor's yard.(come)inside言运用言运Once inside,my mom had us hide under the big(B)26.A.dropped B.disappeared C.changed D.broketable we had in the dining room.And to keep us(A)27.A.tourB.tradeC.course D.challenge41 from fear,she played our favorite Halloween(D)28.A.shown upB.stuck outsongs.Soon,the terrible,loud noise from theC.fallen downD.blown off42 powerful(power)tornado seemed to drown out(淹没)all other sounds..9

15G1802023-2024学年度第一学期期中测试卷九年级数学注意事项：1.本试卷共6页，三大题，满分120分，测试时间100分钟2.请用蓝、黑色钢笔或圆珠笔写在试卷或答题卡上。3.答卷前请将密封线内的项目填写清楚。题号总分分数评卷人得分、选择题（每小题3分，共30分）1.下列方程中，一定是关于x的一元二次方程的是【A.x2-x-2=0B.x2-x(x+1)=0C.ax2+3x+1=0D.x2-2y-1=02.两个相似三角形的周长比是1：2.则其相似比是【】A.1:1B.1:2C.1:3D.1:43.下列说法不正确的是【】A.两组对边分别行的四边形是行四边形B.有一个角是直角的行四边形是矩形C.对角线互相垂直的四边形是菱形D.对角线相等的菱形是正方形4.下列条件不能判定△ADB∽△ABC的是B.∠ADB=∠ABCC.∠ABD=∠ACBD.AB2=AD·AC10个“正面向上的DCd501001020020300350400张算次数第4题图第6题图5.一元二次方程x2-6x+5=0配方后可化为A.(x+3)2=14B.(x-3)2=-4C.(x+3)2=-14D.(x-3)2=46.如图显示了用计算机模拟随机抛掷一枚硬币的某次实验的结果下面有三个推断：①当抛掷次数是100时，计算机记录“正面向上”的次数是47，所以“正面向上”的概率是0.47:②随着试验次数的增加，“正面向上”的频率总在0.5附近摆动，显示出一定的稳定性，可以估计“正面向上”的概率是0.5：③若再次用计算机模拟此实验，则当抛掷次数为150时，“正面向上”的频率一定是0.45，第1页（共6页】