Even d bablleemn larely immigrant-owned and targrted While the firt Chinesed afen odapted their m ocae to American tastes and consumers,boba stores sold motlypewder-bnd deinks to a largely Adan clients.If these shopa seem plain by today's standards,they werereinplceable part of many Chines American millennials()childhoods in partbecdrks they soder pren-approvel"healthy"altemative to alcohol.Over time,boba shope,ithther cheap sofas an Asian pop playlists,became popular hang-out spots.To an extert,the rise of bubbleed that of Chinese immigrant population.New wave bubble tea sbops are often located in urhan centerer unversites with large.often middle-class Asian populations.The rise of bubble tea is a classic story of intercultural exchange and transmission.But it's really just anentry point for a far more interesting phenomenon:the global movement of multiple generations of immigrants28.Why does the author mention COVID-19 in Paragraph 1?A.To introduce a different lifestyle.B.To raise concer about the disease.C To show a kind of consequence of it.D.To call on people to fight against it.29.What can we learn about bubble tea in the United States?A.It faces a great shorage.B.Politicians have a preference for it.C You can only find it in Chinese restaurants nowD.It wasn't popular when it just wenl into America.30.What does the underlined phrase"cater to"in Parugruph 3 probably mean?A.Set limit to.B.Make changes to.C Meet the demand of.D.Improve the quality of.31.What is the best title of the passage?A The Popularity of Bubble TeaB.The Development of Bubble TeaC.Bubble Tea Reveals Culture ShockD.The Rise of Bubble Tea Refects Global MovementDIn 1996.56 volunteers participated in a study to test a new painkiller (called Trivaricaine.Oneach volunteer,one index finger was covered in the new painkiller while the other remained untouched.Then,both were squeezed in painful clamps(夹钳)、The volunteers reported that the treated finger hurt less than the untreated one.Actually Tnvaricaine wan'ta painkiller,but just a fake mixture with no pain-easing functions at all.What made the volunteers so sure this fakedrug had worked?The answer lies in the placebo (effect,an unexplained phenomenon where drugs andtreatmenis that aren't supposed to have an effect,and are often fake,incredibly make people feel beter.Doctors have used the term placebo since the 1700s when they realized the power of fake drugs to improvepeople's symptoms ()These were used when proper drugs weren't available.or if some imgindtheywere ill.In fact,the word placebo means"I shall please"in Latin,indicaling a history of comforting troubledpalients.Placebos had to imitate the real treatments in order to be convincing.so they took the form of sugarpills,water-filled injections.and even pretended surgeries.Soon,doctor realized that treating people in thisway had another use:in clinical trials.By the 19503.researchers were using placebos as a standard tool to tesnew trealments.To evaluate a new drug.for instance.half the patients in a trial might receive the real pill.Theother half would get a placebo that looked the same.Since patients wouldn't know whether they'd received the英语·第5页（共8页）

是全国@o所名校高考模拟金典卷Though hard,this journey was impressive and rewarding.I have learnt that life is the long jour-ney like this.No matter what happened,we should never give up.happens书面表达One possible version:Dear Tom,I'm glad to learn that you are interested in weiqi and you are welcome to join the Weiqi asso-ciation.Weiqi is a traditional game in China and has already become part of Chinese culture,so youwill learn much about our culture as a member of the association.Besides,you'll have chances tomeet some amazing people here and make friends with them.We members gather to play weiqionce a week,usually from 4:30 pm to 6:30 pm on Thursday.Sometimes we invite weiqi mastersto train our members.Looking forward to meeting you here.Yours,Li Hua案参考答案（十三~十八）第15页（答案共18页）【23·JD·英语-GSWT】

学生用人书名师导学·新高考第一轮总复·数学c以训练巩固考点5脸多含参一元二次不等式的解法6.解关于x的不等式ax2-(a十+1)x+1

广西武鸣高中2024届高三（上)开学调研测试题答案化学一、选择题：本题共15小题，每小题3分，共45分。每小题只有一个选项符合题目要求。题号12345689101112131415答案D BBABCDDDDCDBB二、非选择题：本题共4小题，共55分。16.(除特别注明外，每空2分，共10分)(1)三颈烧瓶(1分)(2)反应液不再分层（或无油珠）(3)①除去多余的高锰酸钾，避免加盐酸时生成有毒的氯气②AC(4)苯甲酸易升华而损失(2分)（5)重结品1分)17.(每空2分，共16分)(1)MnO2+S03+2H=Mn2++S04+H20(2)4.7—5.2(3)2MnCO3+Cu2++H2O=Cu2(OH)2CO31+2Mn2+CO2 1(4)Mg2+2F-=MgF2↓(5)若NH4)2S溶液浓度过大，会生成MnS沉淀，造成产品损失(6)NH4)2SO4和Na2SO4(7)+42a-V(am)+(an)18.(除特别注明外，每空2分，共14分)0.375(1)-49kJmo1(2)①C02(1分)②CD③t④a(a+0.1)(0.14-a)(0.43-a(3)阳离子(1分)(4)C0,+6H++6e=CH3OH+H0(5)6:119.(除特别说明外，每空2分，共15分)（1)酰胺基、醚键(2)BDOHCHOCHO3)OCHHCl→OCH5)①3化学答案第1页共7页

21.B建议22.A depend on them in everything we do我们所做的一切都依赖他们23.C更重要的是24.C降低新冠传播的脚步25.D work out解决26.B惊喜陆续更新27.D他正准备歌唱比赛22点前更新完毕28.C不要等到29.A意外遇到30.B去吧

第二节（满分25分）阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文。For as long as I could remember,I had wanted to travel into the Amazon jungle.Duringthe last summer break at university.I decided to travel there.I didn't have much money,soIfound the least expensive flight to Lima.Peru.Once there,I planned on traveling to the townof La Merced.To get there,however,I had to take a taxi for the next fourteen hours.By the time I reached La Merced,I found a hotel and asked the man at the front desk ifthere were any travel routes into the jungle.His simple answer was"no".In fact,there wasno way to go farther into the jungle except by hiring a boat to travel down the Amazon.However,I found that an impossible choice.At that point,I decided to go out and get something to eat.I had walked less than aminute from the hotel when a rainstorm swept across the town.I raced ahead to the closestrestaurant to get out of the rain.I took a table by myself and ordered a meal.I was very tired.I was also feeling sorry formyself.I had flown down to Peru and then taken a fourteen-hour journey in a taxi only todiscover there was no way to get into the jungle.Then,I saw an old man.He headed over to my table."Hi,my name's Fritz,"he said inEnglish,with a smile.I introduced myself and we talked for half an hour.I told him mystory.He could see I was tired and unhappy,and his eyes softened as he listened."Come with me and stay with me and my wife Helga at our home in the jungle.We havea coffee plantation()there.You can stay as long as you'd like.At six o'clock tomorrowmorning,I'll pick you up at the hotel and take you on a trip into the jungle,"Fritz said.“Thank you very much,”I said.“Sixo'clock tomorrow morning..”Honestly.I didn't expect he would appear.注意：1.续写词数应为150左右；2.请按如下格式在答题卡的相应位置作答。At6:o0 the next morning,I heard a car honking(鸣喇叭)outside my hotel.For the next five days,I was treated as a special guest in his home.【高二联合考试·英语第8页（共8页）】232437D

兴烟第8章直线与圆、园锥曲线学生月人书第46讲圆的方程【课标要求】1.掌握圆的标准方程和一般方程，会用圆的方程及其几何性质解题2.能根据所给条件选取适当的方程形式，利用待定系数法求出圆的方程，解决与圆有关的问题.必备知职。。。基础知识夯实教材知识整合胃【基础检测】3.[选择性必修1p8T4]以点P(2,-3)为圆概念辨析心，与y轴相切的圆的方程是1.判断下列结论是否正确（请在括号中打“/”A.(x十2)2+(y-3)2=4或“X”)B.(x+2)2+(y-3)2=9(1)确定圆的几何要素是圆心与半径.C.(x-2)2+(y十3)2=4(D.(x-2)2+(y+3)2=9(2)方程(x-a)2十(y-b)2=(t∈R)表示易错提醒圆心为(a,b),半径为t的一个圆.（)4.方程x2十y2-4kx一2y-k=0表示圆的充(3)方程Ax2+Bxy十Cy2+Dx十Ey+F=0要条件是()表示圆的充要条件是A=C≠0，B=0,AiBK或>lD2+E2-4AF>0.()(4)已知点A(x1,),B(x2,y2),则以AB为C.k∈RD.k=或=直径的圆的方程是(x一x)(x一x2)十(y5.半径为3，圆心的纵、横坐标相等且与两条坐-y1)(y-y2)=0.()标轴都相切的圆的方程为(5)若点M(xo,o)在圆x2+y2+Dx十Ey十6.若坐标原点在圆(x一m)2十(y十m)2=4的F=0外，则x6+y十Dx十Eyo十F>0,内部，则实数m的取值范围为若点M(x0,yo)在圆x2十y2+Dx十Ey十【知识要点】F=0内，则x6++Dx十Eyo十F0)半径：分D+=233

第一节主题语境：人与自我一一生活与学本文是记叙文。作者以合著小说的方式增进与孙女的感情。41.D。根据上文中的when my granddaughter Taylor turned12 I feared she would forget meone day可知，作者急需某种东西巩固她与孙女Taylor之间的关系。42.B。根据本句中的I searched my mind,and then my house,fora.可知，作者绞尽脑汁地思考，并且找遍了整个家，就是为了找到一个解决办法。43.C。根据下文中的the story needed an ending可知，作者在书架上找到了一本未完成的小说。44.A。根据本句中的the old-fashioned language needed an和下文中的she...to make thepre-teen dialogue more authentic by changing some expressions可知，小说中老式的语言需要更新。45.D。根据本句中的So I wanted to.Taylor to help me和下文中的I emailed her to ask可知，作者想要邀请Taylor来帮忙。46.C。根据下文中的Our emails flew back and forth throughout the fall and early winter、Iemailed drafts of each part to her和She.emailed them back可知，作者和孙女合作完成了一本小说。47.B。根据上文中的So I wanted to.Taylor to help me和本句中的lshe'd say yes可推断，作者发邮件询问孙女的时候内心是希望得到肯定答复的。hoped符合语境。48.A。上文中的So I wanted to..Taylor to help me可提示本空答案。49.C。50.B。根据下文中的she..make the pre-teen dialogue more authentic by changing someexpressions可知，作者的孙女在仔细审阅完作者发来的草稿后会做出一些修改。5l.D。根据本句中的she...to make the pre-teen dialogue more authentic by changing someexpressions可知，作者的孙女通过努力修改一些表达来使小说中儿童的对话更加真实。52.B。根据本句中的She also noticed the weak areas in the plot and suggested how to.them可知，作者的孙女在校阅过程中也发现了一些情节不严谨的地方，并且提出了修改意见。53.A。54.C。根据本句中的At that time,the only...I set for Taylor was to see it through,,andshe…it和下文中的Finally,,we finished the novel together in mid-January可知，在合著小说的过程中，作者对孙女唯一的要求就是要坚持到底，Taylor做到了。see sth.through把（任务、工程等)进行到底，坚持完成。55.D。根据下文中的I succeeded in leaving her with wonderful memories of me,and shedeveloped a lifelong interest in writing可知，作者和孙女都从合著小说这件事中获益了。第二节主题语境：人与自我一一做人与做事本文是新闻报道。一名休班的消防员路遇险情，挺身而出。56.were sent。.考查一般过去时的被动语态。由句中的时间状语At around3:13a.m.可知，设空处的动作发生在过去，用一般过去时，又因主语several firefighters and medical workers与动词send之间是被动关系，故填were sent。57.on。考查介词。on fire燃烧，着火。58.driver。考查名词。设空处作宾语，根据语境可知，此处表示“受伤的司机”，故填driver。.59.who。考查关系代词。设空处引导非限制性定语从句，补充说明先行词Nicholas Perri Jr.,且在从句中作主语，故填who。60.to get。考查动词不定式。manage to do sth.想方设法做某事。6l.rapidly。考查副词。设空处作状语，修饰spread,表示“快速地”，故填副词rapidly

许多街头小吃，肯定能在路上买到一些食物。figure认为，认定。42.A。根据上文中的I would certainly find some food on the way和下文中的starving untilalmost midnight可推断，作者应是拒绝了朋友为她准备的食物，故refused符合语境。43.Co44.D。根据本句中的after starving until almost midnight because there was no.availablein the old station可知，作者在火车站没买到食物，所以一直饿到了午夜，因此可推断，那时的作者应是很后悔当初拒绝了朋友送的食物。45.A。46.C。根据46空后的there was no food available on the train either可知，作者曾期待在火车上能买到一些食物，但是，非常不幸，火车上也不卖食物。Sd小y令人遗憾，不幸地。47.B。根据上文中的there was no food available on the train either可知，买不到食物的作者只能坐在铺位上叹气，由此可推断，此时的作者一定很无助，故helpless符合语境。48.D。根据下文中的The smell made me可推断，坐在作者对面的夫妇应是打开了一包食物。untie打开。49.C。根据上文中的A middle-aged couple.a small package of food可知，作者在很饿的时候闻到了食物的味道后感到更饿。50.A。根据下文中的they gave me2 pieces of flatbread可推断，坐在作者对面的夫妇耳语的内容应是“要不要把食物分给作者”，针对这一问题，丈夫一开始是反对的，后来同意了，故agree符合语境。51.B。根据上文中的they gave me2 pieces of flatbread和本句中的The husband profuselyapologized that they had nothing more to.可知，男人因没有更多的食物可以与作者分享而感到内疚。52.B,根据上文中的they gave me2 pieces of flatbread和本句中的divide them into three parts可知，坐在作者对面的夫妇决定将自己的食物均分成三份。53.C。根据本句中的the food was not worthy of a guest to their country可推断，坐在作者对面的夫妇将自己的食物分给作者以后又很担心这样朴素的食物会不会配不上远道而来的客人，故worried符合语境。54.D。根据上文中的they gave me2 pieces of flatbread可推断，作者被对面夫妇的善良感动到说不出话来。55.C。根据上文可知，坐在作者对面的夫妇给了作者一些吃的，再结合本句中的I found wordsto.them可推断，作者终于从说不出话的状态中回过神来，好好感谢了那对夫妇。第二节主题语境：人与自我一一做人与做事本文是新闻报道。文章介绍了一个在新冠肺炎疫情期间守望互助、团结友爱的社区。56.activities。考查可数名词的复数。activity意为“活动”，为可数名词，根据空前的various可知，此处表示复数意义，故填activities。57.helping。考查动词-ing形式。设空处作介词by的宾语，故填helping。58.to remember。考查动词不定式。设空处所在句为It is...for sb.to do sth.句型。本句中的It是形式主语，真正的主语为其后的动词不定式短语，故填to remember。59.with。考查介词。keep in touch with sb.和某人保持联系。60.called。考查一般过去时。由设空处所在句中的felt可知，设空处的动作发生在过去，用一般过去时，故填called。61.our。考查代词。根据语境可知，此处表示“我们的”，作定语，修饰名词community,应使用形容词性物主代词，故填ou「。62.naturally。考查副词。设空处作状语，修饰动词help,表示“自然地”，故填副词naturally63.the。考查冠词。in the future将来。

第4章三角函数学生用人书②求扇形的弧长及该弧所在弓形的面积，考点了，：静都三角函数的定义例4(1)已知点P叫-停9)是角。的终边与单位圆的交点，则sin2a=()A号B一C,-22号(2)若角α的顶点在坐标原点，始边与x轴的非负半轴重合，终边经过点P(一1,2)，则sina-cosa十tana=[小结]用定义法求三角函数值的两种情况(1)已知角α终边上一点P的坐标，则可先求出点P到原点的距离r,然后用三角函数的定义求解；(3)已知一扇形的周长为20cm,当这个扇形的(2)已知角α的终边所在的直线方程，则可先设面积最大时，半径r的值为出终边上一点的坐标，求出此，点到原点的距离，然后用三角函数的定义来求解>●[小结]1.孤度制下1=a,S=号x,此时a为2例5(1)已知角a的终边过点P(-8m,弧定扇形面极公式号-，扇形中孩长公式-6sin30),且cosa=-手，则m的值为2in号，扇形孤长公式l=am.在角度制下，孤长微扇形面积S-,此时n为角度，它们之A-司B、③2间有着必然的联系.2.在解决孤长、面积及弓形面积时要注意合理应cD厚用圆心角所在的三角形.(2)已知角a的终边经过点(3a一9，a十2)，且3.当扇形周长一定时，其面积有最大值，最大值的求法是把面积S转化为r的函数，函数思想、cosa≤0，sina>0,则实数a的取值范围是转化为方程的思想是解决数学问题的常用思想.()A.(-2,3]B.(-2,3)砂训练巩固C.[-2,3)D.[-2,3]3.若扇形的圆心角是a=120°，弦长AB=12cm,则弧长1等于([小结]判定三角函数值的符号，关键是要搞清三角函数中的角是第几象限角，再根据正、余弦函cmB83πcm数值在各象限的符号确定值的符号.如果角不能确定所在象限，那就要进行分类讨论求解.C.4/3 cmD.8√3cm95