全国O0所名接单元测试示范卷教学20.(12分)札记某企业为了调动员工的工作积极性,使员工有获得感、归属感,现提供一种福利投资,年利率为8%,利滚利(即第1年末的本利和记为第2年的本金).公司员工小李投资10万元,满6年一并取出,试用二项式定理估计他所获得的本利和.(最终结果精确到元,参考数据:0.083=0.000512,0.084=0.00004096,0.085=0.0000032768.)解析:根据题意可得满6年一并取出的本利和约为100000(1十0.08)6元,(1+0.08)5=1+C×0.08+C%×(0.08)2+C×(0.08)3+C×(0.08)4+C×(0.08)5+C×(0.08)5≈1+0.48+0.096+0.01024+0.0006144+0.0000197=1.5868741,所以100000(1+0.08)6≈158687.故他所获得的本利和约为158687(元).21.(12分)(1)求45除以15的余数;(2)证明:32m+3+72n一27(n∈N*)能被96整除.解析:(1),45=4×44=4×(42)7=4×167=4(15+1)7=4(C9×157+C×156+.+C9×151+C7×15°)=4X15(C9X156+CX155+…+C9)+4,,∴.45除以15的余数为4.(2)32m+3+72m-27=3X(8+1)m+1+72n-27=3×(C9+1X8+1+…+Cg+1X8+Ct1)+72n-27=3×(C9+1×8+1+…+C-×82)+24(n+1)+3+72n-27=3X82X(C%+1X8m1+…+CT)+96n=2X96X(C0+1X8-1+…+C)+96m,原式能被96整除.22.(12分)已知二项式(ax-2)=aw十ax+ar2+…+as(00,所以a的最大值为a6=C(-合)P=7.【23新教材.DY·数学-RA-选择性必修第三册-N】
力U的函数表达式为F=G计b(k≠0),则k十h=0.7肝rb=0.5为F=0.2G+0,5,当G=7时,F=1.9,枚②错送:由图象知,拉力F是重力G的一次函数,故③错G=0时,F=0.5,故①正确.故选C.二、填空题(本大题共4小题,每小题5分,满分20分)1山.函数y=中x的取值范围是x-2【答案】x>2.【解析】√-2是二次根式,同时也是分母,x一2>0,x>212三个能够重合的正六边形的位置如图.已知点B的坐标是(一√3,3),则点A的坐标是第12题图【答案】(W3,-3).【解析】点A和点B关于原点对称,点B的坐标是(一√5,3),则.点A的坐标是(3,一3),故答案为(W3,一3).13.一个装有进水管和出水管的容器,开始时,先打开进水管注水,3分钟时,再打开出水管排水,8分钟时,关!进水管,直至容器中的水全部排完.在整个过程中,容器中的水y(升)与时间x(分钟)之间的函数关系如图】示,则图中a的值为x/升30··201008 ax7分钟第13题图【省案唱【解析】设出水管每分钟排水x升.由题意进水管每分钟进水10升,则有80-5.x=20,∴x=12,8分钟后的水时间=侣号8叶号-碧0=9故客案为号14.如图,等边△ABO的边长为2,O为坐标原点,A在x轴上,B在第二象限.△ABO沿x轴正方向作无滑动翻滚,经第一次翻滚后得△A,B,O,探究完成下面问题:(1)翻滚3次后点B的对应点的坐标是(2)翻滚2023次后AB中点M的纵坐标为B,第14题图中考必刷卷·2023年安徽中考第一轮复卷数学第14页(共76页)扫描全能王创建
全国100所名枝最新高考模纵示花暮"When I have to have a rest before we can lo anything es in thetruck,please think aboutwhat you want to take with us"He walked into the house.acalled y m honey How the pcling going?Mom sd.nall going to fit,"I said,trying not to break into tears.“What's not going to fit?”"The kitchen table,the rocking chrndIfelten down my cheeks.knowtsuststand wf doemtteruthard!Is in that rocking chair andread stories to Azure and Seamus.I've sat at that kitchen table every night with my familysince we moved into this house...""Honey,the stuff isn't the memories.You don't need the roking chairs to remember的reading books to the children.You don't need your kitchen table to remember family dinners.You'll always have those memories,whether the stuff comes with you to your new house ornot.Okay?”My mom was right.We've been happy in our new home.We have half as much stuff aswe did before.We don't miss it,and we haven't lost the happy memories of our old home.Those came with us,and they were the only things we never had to box up or unpack.24.Why did the author decide to move home?A.To live together with her loved ones.B.To make her husband work conveniently.C.To take good care of her parents.盈D.To get her children better education.25.What can we learn about the author's husband?A.He wasn't willing to move home.B.He missed the author very much.C.He was going to call a bigger truck for the stuff.D.He thought it unnecessary to take the kitchen table.26.Why did the large four-bedroom house impress the author?A.It made her children proud.B.It represented a life of luxury.C.It offered chances to make friends.D.It held a lot of her fond memories.27.What does the underlined word "Those"in the last paragraph referto?A.Family members.B.Happy memories.C.Old items of furniture.D.Pleasures of moving.。英语卷(二)第5共12页)【3,N,英语·N
姓名准考证号山西省2023年初中学业水考试·冲刺卷数学注意事项:1.本试卷共8页,满分120分,考试时间120分钟,2.答卷前,考生务必将自己的姓名、准考证号填写在本试卷相应的位置3.答案全部在答题卡上完成,答在本试卷上无效4.考试结束后,将本试卷和答题卡一并交回.第I卷选择题(共30分)一、选择题(本大题共0个小题,每小题3分,共0分.在每个小题给出的四个选项中,只有一项符合题目要求,请选出并在湾题卡上将泳项涂黑)1.计算-2+5的结果是A.-3B.-7.C.3.0.72食品安全直接关系民生福社、产业发展,公共安全和社会稳定.单生了解食物和食品安全知识有助于培养健康的饮食贺.下列头食品安全标志的图标其文字上方的图案是轴对称图形的是质量安全绿色食品食品安全安全饮品ABCD3.下列运算正确的是A.a+2a=3a2B.(2a-b)2=4a2-b2C.(-2ab2)3=-6a2b6D.8a3÷2a2=4a4.如图,含30°角的透明直角三角板ABC和直尺按如图方式摆放,∠ABC=90°,∠C=30°,∠1=70°,则∠2的度数为A.20°B.35°C.40°D.50°第4题图数学第1页(共8页)
第33期参考答案第1一2版Unit 1Grammar情态动词should表建议1.should take 2.shouldn't go 3.shouldn't eat4.should stop反身代词I.1-4 DDCCII.1.herself 2.myself 3.itself4.yourselvesLanguage Points1.(1)hit a/the bridge (2)hit me on the head(3)gave him a hit2.(1)take risks (2)risked his lifeLexical ChunksA)1.have a cold 2.have a fever 3.have a cough4.have a sore back 5.have a sore throat6.have a stomachache 7.have a toothache8.have a headache 9.have a nosebleedB)1.有心脏问题2.呼吸困难3.发生事故;遭遇意外4.被球击中5.硒伤C)1.lie down 2.get an X-ray3.take one's temperature4.take breaks a break5.put some medicine on the cut6.rest for a few daysD)1.认真思考;权衡利弊2.下车3.冒险4.做决定5.放弃E)1.get into 2.run out (of)3.cut off4.get out of 5.be in control of6.to one's surprise 7.right awayUnit 2GrammarI.1-5 ACBBAII.1.to send 2.to make 3.change 4.(to)doLanguage Points1.(1)volunteers(2)volunteers (3)voluntary2.(1)preparing(2)notices (3)come (4)noticedLexical ChunksA)1.分发;散发2.分发3.参加…选拔;试用4.推迟5.照顾;非常喜欢6.赠送;捐赠7.(外貌或行为)像B)1.clean up 2.cheer up 3.call up 4.fix up
A.Parents often take their children to the hall.B.There are several standards a toy has to meet.Stonefish,who has helped create a dictionaryC.It looks quite different compared to other museumsof Munsee words,has his doubts about onlyD.So it was moved from its original home to New YorkE.Toys and their creators are an important part of history.counting on technology to save a language.He读F.And each member of the committee votes for his or hertop picksbelieves knowing cultural teachings is important,G.The others are beloved unbranded toys,such as the kite and thepaper airplane.especially for a language such as Munsee that isThere is a specific process for selecting the toy thatlargely based on oral(口头的)traditions.Yet空makes it into the National Toy Hall of Fame.Anyone canStonefish remains hopeful that the tools will worknominate (a toy through the US mail or the Internet.well with the help of cultural teachings.Some professionals review the nominations and determinewhich toys meet the requirements.A National SelectionCommittee then reviews the list of toys.3_F Finally,thetoys that get the most votes are included in the National ToyHall of Fame.A.Parents often take their children to the hall.BB.There are several standards a toy has to meet.1.What does the first paragraph mainly talk about?C.It looks quite different compared to other museums.A.Munsee is difficult to learn.D.So it was moved from its original home to New York.B.Munsee is at risk of disappearing阅E.Toys and their creators are an important part of history.C.The Delaware Nation has a long history.读F.And each member of the committee votes for his or her top picks.G.The others are beloved unbranded toys,such as the kite and theD.People of the Delaware Nation have a special填paper airplane.lifestyle.A 2.What can we learn about Bruce Stonefish?空A.He learnt Munsee from Dianne Snake.4 B First,the toy must be widely recognizedB.He is the only one who can speak Munsee.and remembered.And it must have enjoyedC.He is now teaching Munsee in a university.popularity for several generations.In addition,theD.He used to communicate with his parents intoy must have greatly changed the way people playMunsee.or the toy's design was new and creative.A 3.What is mentioned about the online tool developedA.Parents often take their children to the hall.B.There are several standards a toy has to meet.by Ndayiragije's team?C.It looks quite different compared to other museums.A.It is still being tested.B.It has proven to be very successfulD.So it was moved from its original home to New YorkE.Toys and their creators are an important part of history.C.It records the development of endangered读F.And each member of the committee votes for his or hertop pickslanguages.G.The others are beloved unbranded toys,such as the kite and theD.It allows users to learn several languages at thepaper airplane.same time.D 4.What is important to learn a language like MunseeCreated not only to recognize the importance ofaccording to Stonefish?those classic toys,the Hall of Fame also celebratesA.Finding a local to teach.the imagination of the toy makers.5 E They holdB.Having a good dictionary.the memories,symbolize the ideas,and reflect theC.Taking advantage of online resources.D.Understanding the culture behind the language.values of the generation who created them.A3版A.Parents often take their children to the hall.B.There are several standards a toy has to meet.C.It looks quite different compared to other museums.Babcock Ranch in southwest Florida is the阅D.So it was moved from its original home to New York.五E.Toys and their creators are an important part of history.first solar-powered town in the US.Its power读F.And each member of the committee votes for his or her top picks.comes from nearly700,000 solar panels(太阳能电G.The others are beloved unbranded toys,such as the kite and thepaper airplane.池板)that supply electricity1._to_more than2,000 homes.空The National Toy Hall of Fame is an American空The town is special in another way.It hadmuseum that was created to celebrate the nation'salmost no damage from hurricane Ian,which hitclassic toys and playthings.There are more than 80the area with winds over 160 kph.By comparison,toys already in the National Toy Hall of Fame.the storm 2.destroyed_(destroy)many parts ofAbout half are branded(有品牌的)toys,like LegoFort Myers,about 50 kilometers away.and the Rubik's Cube.1 GA.Parents often take their children to the hall.B.There are several standards a toy has to meet.C.It looks quite different compared to other museums.Babcock Ranch 3.was built (build)on a higher阅D.So it was moved from its original home to New YorkE.Toys and their creators are an important part of history.highland to be above the storm surge(风暴潮).The读F.And each member of the committee votes for his or her top picksbuildings could stand up to hurricane-force winds,G.The others are beloved unbranded toys,such as the kite and thepaper airplane.and the streets were designed 4.to control (control)huge amounts of water.空The museum was founded in 1998.By 2002,thisBecause of these measures,Shannon Treece andmuseum had grown a lot and needed more space.2 D There it became a part of the Strong Nationalher family are among the 4,600 residents 5.who/thatMuseum of Play,which houses over 70,000 toys,decided not to leave the town before the storm hit."Itdolls,and games.made me feel a little 6.scared_(scare),"she said ofbeing in a hurricane for the first time."I am glad ourhouse held up.”2
that city's main monument on my phone's wallpaper.After a year in 2022,I finally gave my best audition of that academy on the Internet and Igot in!I was happy but sometimes I wondered whether my parents were going to agree to it ornot.Fortunately,my parents agreed and I flew to that country to give the last phase of aninterview to join that academy.I passed and later was sent there for training.It was not surprising that I finally got the chance to live in the city of my dream and trainin the academy of my dream,as I believed everything was going to work out as long as I heldon to my dream.24.What can we infer about the 13-year-old Lucy?A.She had fun every day.B.Everyone supported her.C.She was unhappy with her life.D.A dream started in her heart.25.Who first led Lucy to the musical path?A.Her teacher.B.Her mother.C.Her friend.D.Her father.26.What played a key role in Lucy's success?A.Her effort and determination.B.Her family background.C.Her curiosity about new things.D.Her talent for performance.27.What did Lucy think of attending her ideal academy?A.It was a stage to make her famous.B.It was within her expectation after hard workC.It made her love her mother more.D.It was a new way to make friends.CIn the Chinese lunar calendar,san fu refers to the three 10-day periods that are said to bethe hottest days of the year,which are called toufu,zhong fu and mofu.Sanfu is usuallybetween mid-July and mid-August.When san fu is mentioned,people can't stop thinking of san futie,which is a bandage(made of traditional Chinese herbal medicine.Those who have experienced traditionalChinese medicine (TCM)believe that receiving sanfutie during the hottest summer days iseffective for coughs.The treatment is based on the TCM principle of yin and yang,whichbelieves the balance of both elements (in the body is important for good health.Sanfutie contains a paste of herbs that are "hot"in nature.Tou fu is the first stage of san fu.When the hot days come,people tend to lose theirappetites.As the weather in Changsha,the capital of Hunan province,is hot with heavyrainfall in summer,people there eat chicken especially a rooster during tou fu.They believethat the rooster is“yang”and can clear the damp(气).There is an old saying that goes“Arooster at the start of sanfu,a healthy body the whole year.Another favourite food duringthis stage is jiaozi,which is thought to refresh people's feelings toward food.In fact,jiaoziis an all-time classic with 2,000 years of history.The second stage of sanfu is called zhongfu,which traditionally is a time for eatingnoodles because it is believed to help people sweat and remove internal heat.When mofu or the third fu arrives,it is still very hot at noon and the sun is very strong.People feel uncomfortable,so they call this period "Autumn Tiger".During mofu,people,especially those living in North China,customarily eat Chinese egg pancakes.During sanfu time when yang energy is at its prime,it's also beneficial to have foodwhich is "cold"in nature,like watermelon and cucumber,according to Chinese dietarytherapy.【高一年级期末考试·英语第4页(共8页)】231388D
,0=001,(2分)设80%分位数为x,前3组的频率之和为0.65,前4组的频率之和为0.9,,X后[80,90),4444…(4分)且x=80+8906答×10=86,即这20名学生得分的80%分位数为86.…(6分】(Ⅱ)由已知可得:得分在[50,60)内的人数为0.01×10×20=2,得分在[60,70)内的人数为0.02×10×20=4.…(8分)记得分在[50,60)内的学生为a,b,得分在[60,70)内的学生为c,d,ef,则所有的样本点为:(a,b),(a,c),(a,d),(a,e),(a,f),(b,c),(b,d),(b,e),(b,f),(c,d),(c,e),(c,f),(d,),(d,f),(ef),共15个,…(9分))其中恰有1人的得分在[60,70)内的样本点为:(a,c),(a,d),(a,e),(a,f),(b,c),(b,d),(b,e),(bf),共8个,…(10分)故所求事件的概率P=8小小44…(12分)》20.命题意图本题考查事件的关系,相互独立事件的概率计算解析记K,K,,K,K四个开关闭合分别为事件A,B,C,D(I)四个开关均断开的概率为P=P()P(E)P(C)P(D)=(1-)×1-子)×(1-)×(1-)夜小小小4小小44…(4分)(Ⅱ)考虑“电路为通路”的对立事件“电路为断路”,分3种情况:①四个开关均断开.=43…(5分】②K闭合,其余开关均断开,P=子×(1-子)×(1-分)×(1-)=6:…(7分)③K闭合,其余开关均断开,八=号×(1-子)×(1-)×(1-)=方…(8分)》所以电路为通路的概率为P=1-(B+B+B)=1-(g+石+)了…(12分)】21,命题意图本题综合考查正、余弦定理,和基本不等式有关的三角形最值问题,解折(I)由正弦定理得snC=s如AcsB+ninA,①(2分):C=T-(A+B),.sinC=sin(A+B)=sin Acos B+cos Asin B,②…(4s分)由①2和Be(0,m),得5(5分)》1Λ三00明A,5444anA=5,又A∈(0,r),A=3,小…(6分))(Ⅱ)在△ABC中,LBAC=号,a=5,由余弦定理a2=b2+c2-2bcco8∠BAC,得b2+c2=bc+3,(7分)》由基本不等式得2+c2=be+3≥2bc,.bc≤3(当且仅当b=c时取等号).…(8分)在△ABC中,M=(i+A心),…(9分)
(2)y=100(是+)≥100×2√g-100a(元.当子u=时,得u=2a,因为0<≤80,所以当0
nfr about biodicael production fom thehA.It needs enough water.B.It goes without any risks.C.It requires little attention.Wha is the text mainlyu?D.It needs to be improvedA.Some research on biodiesel.B.An experiment on biodiesel.C.The importance of biodiesel.第节共5小题:每小题25分,满分125分)D.One way to make biodiesel.阅读下面短文,从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余进项Fanily mealsre imporant and omect family members.Thereorryougoing to school,work and more.sudishave shown family mealtime increases positivechoondethe frequeny of negative behavior37 Tndor ntreicdouged.Children who engage in family mealtimeare likely to havenrnhswho share frcquent family mealsremore likelytolargerffritbles and be less picky about food.38For example,we need to consider the budget,the time for mealprepb的of recommended foods or supplements((补充物品)at a typical grocery.32besmay have various cultural or dietary preferences.In view ofthis,we shoulaingplan offered nutritional vale for different caore andidofeaedifferent activity levelsand heath codoHealthy eating should be a family affair,and some recommended diets will helpyourhtby highlighting eating plans that are safe,flexibe and nutritious forveryonabeInhefoods in the diets cn be purchased fresh,caedA.They prefer junk food like hamburgers,fried chicken.B.A team of health experts think family meals are difficult.C.They can get people to relax and make their relationship closer.D.It also offers an opportunity to set healthy eating habits for kids.E.Thus,it is convenient and easy for families to have family meals.F.We also considered how adaptable this diet would be for a whole family.G.We should have a balanced diet and pay attention to what we have every day.第三部分语言运用(共两节,满分30分)第-节(共15小题;每小题1分,满分15分)阅读下面短文,从每题所给的A、B、C、D四个选项中选出可以填入空白处的最佳选项。One day I was approaching several massive creatures when I came to a sudden stop.Itwaebeyond me that these huge animals should be limited by only some ropes.It was 41that themimals could easily escape from these small ropes tied to their front legs.However,42 they didt I spotted a 43 close by and wondered why the elephants just44where they were anddo intention to break away."Well,"he replied,"as they're very 45 we tie them with the same46 rope and it'senough to 47themn for their age.As they grow up,they're 48to hold the belief that they英语试题第6页(共8页) 17.己知△ABC的内角A、B,C所对的边分别为a、b、c,且c0sB+C=1-cosA.2(I)求角A的值.(IⅡ)若△ABC的面积为3√3,且b+c=7(b>C),求a的值.18.己知函数f()=3sin(ox+p)w>0,lpK2的部分图象如图所示,其中A,352π3V323,-2B(1)求f(x)的解析式:(2)设函数g(x)=f(2x),X∈03求g(x)的值域19.如图,在四棱锥P-ABCD中,PC⊥面ABCD,AB/1CD,AB⊥AD,AB=2AD=2CD=2,PD=V5,E为PB的中点.EA-----------BC(1)证明:面EAC⊥面PBC:(2)求直线PD与面AEC所成角的正弦值.20.如图,四棱锥P-ABCD,面PAB⊥面ABCD,PA⊥AB,AB∥CD,∠DAB=90°,PA=AD,DC=2AB,E为PC中点.DE 念与性质10.解:(1)令t=x十1,则x=i一1,…1分2则f()=(t-1)2-4(t-1)-4=2-62+1,4分所以f(x)=x2-6x十1.…6分0),②由a蜘-1+日≥2-6=-4,10分当且仅当|x=1,即x=士1时,等号成立,11分象关于y轴对杯,则f(x)的图象关于直故的最小值为-4…13分所以f(x)在(一∞,一1]上单调递减.因11,解:(1)函数g(x)=a(x-1)2+1+b-a,>0,g()为开口向上的抛物线,且图象的对称轴为直线工=1,……2分义域为R,值域为{0,1),故A,B错误∴g(x)在区间[2,3]上是增函数,f(x)=f(0)=1或f(f(x)=f1)85分解得a=1,b=0.为有理数,则f(x十T)=f(x)=1;(2)由0可得g田=2-2x+1,则f)与十22,6分=0.1R恒成立,即D正确.fg:)-2ox≥0在x∈2,8]正有解,等价于1o82x10gz一2>2 og在z[2,8]),放西数f(x)为奇函数,对于定义18分数(x)为诚函数据此判断,BCD项上有锅,即2Ka可十1在x[2,8上有解令z“z[2,8],c号2≤2-2+1在e[号,1]上有解.…10分+f(-x+2)=2,又f(x)+f(x÷=2对称,B正确.因为f(0)十f(2)记g0=-+1=-12,∴号,1,则0在[号,1]上为减函数g(0==(号)=意,2,得f(x十2)+f(x十4)=2,又2≤号则≤号,的取值范固为(-∞,名113分x)=f(x十4),C正确.Ar2)=6,D错误12.解:(1)由题意得f(x)的定义域为(一1,+∞),…1分由f(x)>f2x-1),可得1og2(x+1)>1og2(2x),x+1>2x,f(x)关于点(1,1)对称,因为当0则x>-1,(2x>0,3分1,所以f号)=1,又f八0)=解得0 AB则△BCD是正三角形,∠BCD=60°,于是房形BCD面积S=60mx2_2红3603而△BCD的面积为BCCDsin血60°=5×2:=5,4所以阴影部分图形的面积2-5.3故答案为:y-3y+1、1317.若关于y的不等式组43L2的解集力V0,数a使关于的盼式方程化+32(y-a)<0的解为非负数,则符合条件的所有整数a的和为【答案】12【解析】【分析】先用a表示方程的解,根据解是非负数,且x-1≠0,结合不等式组的解集确定α的范围,求得整数解计算即可.【详解】:x+2+,0=3,x-11-x去分母,得x+2-a=3x-3,移项、合并同类项,得2x=5-a,系数化为1,得x=5-口,2数口使关于x的盼式方程+2+,。=3的解为非灸数,且x-1≠0,x-11-x:5=>0,58≠1,22∴.≤5,a≠3,y-3_y+12-1304-32-20,2y-a)<0②第9顷共27顶 (Text 9)W:Wake up,Eric.It's time to rise and stay awake.M:Oh,hi,Kate,I must have fallen asleep while I was reading.W:It looks more like a campground than a library.M:Well,the classroom is too noisy to study in and I guess this place is too quiet.What's thetime?W:A quarter to eleven.Have you had any luck finding a topic for your paper?M:No.Professor Grant told us to write about anything on Eastern culture.W:Well,why not write about Chinese culture?You've been there and you enjoyed your tripvery much.M:That's not a bad idea.I brought lots of books about Beijing back with me last summer.That would be great resource material.Now,if only I could remember where I put them.W:Well,remember we need some time to relax,too.By the way,do you know about the newrestaurants in town?M:Yes,I went to town for the first time last night and ate there with my mother.W:What do you think of it?I may go there this weekend.M:Well,the decoration was simple but the food was good.The bad part was that it took agesto wait for the food to arrive.However,I have to say that it certainly was worth waitingfor.听下面一段独白,回答第17至第20四个小题。现在,你有20秒钟的时间阅读这四个小题。(Text 10)W:Good morning,I'm Ann.Now let's go over to today's traffic and travel news.Nowthe sun is high in the sky,but the heavy rain in the morning caused problems on the M3 road.Four cars hit each other and there were long delays between London and Guildford.It doesnot look very good on the M4 road because a truck broke down near Swindon,causing a hugetraffic jam.Peter from Bristol said there is a long line now,so if you need to get to Swindon,you'd better go on the main road.Unusually,most trains are working in a normal way.Ifyou're going away,check before you go.If you're flying from Gatwick Airport,please phoneyour airline before you set off.The computer systems at the airport aren't working this morn-ing and many flights will be canceled today.Jackie and Bob phoned to say their flight to Indiawas delayed and they had to check into a hotel room near the airport for the night.But I'mpleased to see they boarded their plane and now are on their way.第二节到此结束。现在,你有两分钟的时间将试卷上的答案转涂到答题卡上。听力部分到此结束。【日高三英语·参考答案第4页(共9页)日】·有听· 2023-2024学年上学期高二课标(新教材)第2、4、6、7期参考答案及解析选择性必修一UNIT1参考答案及部分解析参考答案1-5 ACBAC6-10 CBBAC11-15 BBACB16-20 ACBCA21-25 DADAB26-30 BCDBC31-35 BCADA36-40 EADBC41-45 DCBBD46-50 ACBDA51-55 CABAC56.oldest57.which58.to study59.Eventually60.obtained61.mapping62.on upon63.was awarded64.important65.and写作第一节One possible version:Humans have achieved countless amazing things that make our life better.Some of themencourage me to stop doubting people's individual abilities to make a difference in the world.Forme,walking on the moon has been the most inspiring.Humans have always been fascinated by the stars,but it has taken determination,science andskillful engineering to finally allow people to actually leave the planet.One of the biggestmoments in space exploration history happened when Neil Armstrong walked on the moon.Itbecame the start of more advanced space programs.This reminds me never to be afraid to followour dreams第二节One possible version:I could have never prepared for what I found in the backyard:an underground treasure.However,it was locked.I figured the key should be somewhere in Dad's room,so I went back home andsoon found it.I opened the lock,and to my amazement,all our valuables were in there,amongsta couple of documents I couldn't quite understand.I then decided to call on my father's lawyer."Your father's case was sorted out a couple of months back.He was cleared of all charges putagainst him,"said the lawyer.The lawyer handed me a note.In the note,my father explained that he had thought moneywould help us and improve our lives,but it never provided a sense of purpose.So,he decided toleave the life of wealth in hopes of teaching us how to live without it.Looking back at what welearned in this difficult period,I am grateful for the lessons my sister and I learned.I am gratefulfor my father and what he taught us.部分解析阅读第一节A篇主题语境:人与自我一一生活本文是应用文。文章为适合青少年参加的四个活动。 - ENGLISH⊙》高二黄谈凉谷34WEEKLY四共语/团板wo:aot390Tme55 minutes度*FOCUSHow a chinese cale becamethe best place to eat in Canada语箱导读:温得华的一家中餐厅被评为2023年加拿大最佳用餐场所areof theirjoineymeats agoNad5omemust passs byin active woomix ofse Canadiansaurant is so pusy onburgersas wonk tovet the Cmorninga longline formsweekd forklifts(铲车).Many of the earlybethich sits above a DIYcanadian culture and hyin Canadian smallstore,has the honour off being the best place toimmigrant-run restaurantsCanada in 2023,according to theowns and large cities initially served familiardine inChinese dishesrestaurantreview site Yelp.Since Yelpdiner-style food.But over time,announced the diner's steaks and spring rollswere slowly added to menus by enterprisinghad drawn the highest customer reviews of anyowners to give something "special"to diners.Aeatery across Canada,some visitors have waitedreporter noted,"As time went on,these dishesWord bankInthinkable:turnp way paying cbutstomersor pcdhas become th心exact owiththeblessed,sexperimentingVe'reOther than&Have you noticed howlming.We like to think our mottooccasional new dish,Raymond says he has littleped these shelves are?'Our house is your house'-is what helpspeople feel so welcome,"said Richard Mah,whointerest in departing from the main dishes his扫描二维码可听family have perfected over the years."These arephrase that expresses the aims音频并下载课件recently gave up a corporate job to work here.His parents,Jimmy and Connie Mah,whofamily recipes.This is a menu my dad created.and beliefs of a person,aThe wontons are my mother's recipe.My rolegroup,an institution,etc.andinitially bought the 73-year-old restaurant in2008 as a way of relieving the boredom ofhere is just to better what they've achieved overis used as a rule of behaviour座右铭;格言;箴言the years.From:www.theguardian.come.g.The school's motto is:‘Duty,Honour,,Countryexotic adj.from or in anothercountry;seeming excitingand unusual because it isconnectedwith foreignountries来自异国的;奇异的;异国风味的g.She travels to all kinds ofotic locations all over theorldWannabee's unc er Stul登网彩CAFE画线句表明,随着时间的推移,这家温Sentences哥华餐厅里曾人4“女下司座嗣的“亦本根采输中心 重庆育才中学西南大学附中高2024届拔尖强基联盟高三十月联合考试数学试题(满分:150分;考试时间:120分钟)命题学校:重庆育才中学2023年10月注意事项:1.答题前,考生先将自己的地名、班级、考场/座位号、准考证号填写在答题卡上.2.答选择题时,必须使用2B铅笔填涂;答非选题题时,必须使用0.5毫米的黑色签字笔书写;必须在题号对应的答题区域内作答,超出答题区域书写无效;保持答卷清洁、完整.3.考试结束后,将答题卡交回(试题卷学生留存,以备评讲).一,单选题:本大题共8小题,每小题5分,共40分.在每小题给出的四个选项中,只有一项是符合题目要求的3+2i1.复数i(为虚数单位)复面内对应的点位于()A.第一象限B.第二象限C.第三象限D.第四象限【答案】D【解析】【分析】判断复数在复面上的象限,只要把复数表示成标准的复数形式即可.【详解】?3+2i_3+21)1=2-3i,所以复数在复面内对应的点为2,3),位于第四象限.iii故选:D2.设集合A={xx2≤4x,B={x=V-3,则AnCB=()A.[0,3)B.[1,3)c.[3,4]D.「4,+0)【答案】A【解析】【分析】先化简集合A,B,再根据补集和交集的概念即可求解.【详解】由A={x≤4x,得A=[0,4,B={y=V-3,B=[3,+o),CB=(-o,3),A∩CB=[0,3)第1页/共19页 A0.90.70.9B0.80.7A.0.19738B.0.00018C.0.01092D.0.09828【答案】A【解析】【分析】首先根据独立事件概率公式求能听到声音的概率,再利用对立事件概率公式,即可求解.【详解】设能听到声音为事件M,则P(M)=[1-P(AB)P(C)1-P(D)]=[1-P(AP(B)]P(C)[1-P(D)P(E)]=(1-0.1×0.2)×0.9×(1-0.3×0.3)=0.80262所以听不到声音的概率P(M)=1-0.80262=0.19738故选:A6.己知数列{a}满足an+1+a,=2n+3(n∈N),则a+a24=()A.2023B.2024C.2027D.4046【答案】C【解析】【分析】由a+1+an=2n+3可得an+2+an+1=2n+5,进而可得am+2-an=2,则有数列{an}的偶数项是以2为公差的等差数列,再根据等差数列的通项即可得解.【详解】由ant1+an=2n+3①,得a1+a2=5,am+2+an+1=2n+5②,由②-①得an+2-an=2,所以数列{an}的偶数项是以2为公差的等差数列,2024则a2024=42+2×a2+2022,2第3页/共22页 (2D回知椭圆C的方程为2十自w心…5分易得△FAB的面积是四边形ABMN面积的?,即SA=354由题意得l1,l2的斜率不为0,F1(-1,0),F2(1,0),设l2:x=my十1.…6分6my1十y2=3m2+4’由43=1,得(3m2+4)y2+6y-9=0,则…8分9(x=my+1,y1y2=3m2+4’所以S858=号FF:111-为=VO十为)P-4w为36m236=V(3m2+4)23m2+412Vm2+1=3W53m2+44…10分化简得45m-136m2-176=(45m2+44)(m2-4)=0,得m2=4,即m=士2.…11分故。的斜率为士2:……12分22.解:(1)由题意得QF的最小值为号,则多=1,得p=2.…2分所以D的方程为y2=4℃.……3分(2)因为A,C不重合,所以直线AB,BC,AC的斜率必然存在.…·4分设Aw),By).C.直线AB的斜率kB=。一出4yo-yi yo+y1=w=十2yo5分-344得y=612y+2%=-2%+12yo+2·……………………6分直线BC的斜率kx=一当4=kov=2十67分y3-y1y2+y1y2一344得=-126y2+12………………………………………………………………y%+68分由y=-y%+22十6,消去可得2=12,2y+12=_6y2+12…9分直线AC的斜率kc=。一些=4,…10分yo-ya yo+y24所以直线AC的方程为y=4(x-)+w=4+0必=十12=,4(红+3》.…yo+y24yo +y2yo+y2 yo+y2…11分故直线AC过定点(一3,0).……12分【高二数学·参考答案第4页(共4页)】·24-145B· 的了看,结果发现小女孩又笑了笑,作者自己也一起笑了,share that smile意为“一起笑”,符合语境。故选B项。39.B考查形容词词义辨析。句意:我们一起笑了起来,我知道我永远不会忘记她的勇气和内心的力量。根据句意可知,此处指永远不会忘记小女孩的勇气和内心的力量,inner符合语境。故选B项。【参考范文】Seven months into the school year,when the contestday finally arrived,the kids felt ready to take on theworld!They warmed up,listened to my talk,and madetheir way to the performance area.As my choir mountedthe risers,I looked at the three judges and rememberedhow improbable this scenario had seemed at the begin-ning of the school year."Smile!"I mouthed.Theylooked confident.I took a deep breath,and we began.They performed masterfully.We finished our songs,and I wanted to scream at the top of my lungs,"YOUDID IT!”After all the choirs had performed,we waited in ourassigned room for the results.While waiting for the jud-ges'scores,the kids gazed at the clock,went forsnacks,gazed at the clock,drew on the chalkboard,gazed at the clock....Two very long hours later the re-sults were posted.I stood frozen,staring at the list indisbelief.There was our name at the very top:a FirstPlace award with the highest marks of all.All aroundkids were squealing and embracing.Warm tears wet mycheeks.And I realized that I was surrounded by kidswho had a dream-kids who refused to give up-kidswho taught me to never doubt the possibility of success. 必修2Unit1参考答案T1 Keys:(One possible version)走进课文任务1:1.balance2.protests3.turned to4.established5.donated6.disappearing任务2:1.to give way to2.likely3.committee4.prevent5.departments6.conducted7.donations8.preserve句型巡航I.1.There comes a time when you have to make decisions by yourself.2.You've been doing that job for years and there comes a time when you need to make achange.3.Is it impossible for us to get tickets for the concert?II.1.Not only do the nurses2.Not only;but also;is enjoyingIII.1.who needs attention for a long time2.turned to citizens for helpIV.1.As we all know 2.Getting up earlyT2Keys:(One possible version.,客观题除外)词语保鲜I.1.(1)入口;进入(2)山洞;洞穴(3)顶部;屋顶(4)庙:寺1/5 20.解:(1)在△ABD中,设∠BAD=0,则∠BCD=π-0,由余弦定理得BD2=AD十AB2-2AD·ABcos0,即BD=5-4c0s0,①…2分同理在△BCD中,BD2=BC+CD2-2BC·CDcos(π-O),即BD2=13+12c0S0,②……4分①②联立消去c0s0,得4BD=28,所以BD=√7.…5分BEBD_√7_2√212在△BDE中,由正弦定理,得sin/DBE$in/BDEn…7分√332所以DE=2②Isin∠DBE,BE=2Y2Isin∠BDE..8分33设∠BDE-e,则∠DBE-经-e,所以BE-DE=2[sm(g-。)1sma】10分因为0
2023-2024学年考试报·高考数学理科专版答案专页10月第13-16期5.C解析:用任意一个与轴垂直的面截这两个旋转体,因为面PAB与底面ABCD不是垂直关系,BC与面PAB则4(2V3,0,0),A,(0,0,4),C(-2V3,0,4),B(0,2,0)设截面与原点的距离为h,将=h代入x-4y=0,得x,=±2V五,将的关系不能确定,所以④错误故选B项,13.21-i1=h代人x2+y2=16,得x=±V16-h,将y=h代入x+(y-2)=4,得x=由M2应,得B(-V31,4)2+i=21V4h-h',:B是棱BB中点E(-V了,3则所得截面S,=x(16-4h),S,=m(16-h)-π(4h-h)=π(16222204h),所以S,=S2,由祖暅原理可得V=V,=3m414423m214.2解析:若a<1,则y=2°=3,解得=log3>1,舍去;若a≥(V3,2.42Vs0o(2V1,则=a+1=3,解得a=2.32m.故选C项0.4)15.4解析:设抛物线的焦点为F,准线为:x=-1,弦AB的2上,V1.对应点中点为1,则点M到准线的距离dMF+B三4设=(x,y,z)为面AEC的法向量,32222,所以点nA,C=-2V3x=0,●为(2,22),在第二象限故选B项I V3M到准线的距离的最小值为5,所以AB的中点M到y轴的最短nET-V3320=3,得n=(0,4,3),距离为5-1=4.7.B解析:由直线+by+1=0始终分圆M的周长,则直线设直线AA,与面A,EC,所成线面角为0,必过圆心M(-2,-1),代入直线ax+by+1=0的方程可得2a+b-1=016.Y6解析:取B的中点M,M的中点N,连接A,N,(a-2)'+(b-2)表示点(2,2)与点(a,b)的距离的方,易知点A,M图略),则EA,∥FN且EA,=FV,∴.四边形A,EFN为行四边凤e()m3x46/735(2,2)到直线ax+by+1=0的距离即为点(2,2)与点(a,b)的距离形,A,N∥EF,EA,⊥面ABBA1MN⊥面ABBA,AA llnl V28·V25的最小值由点到直线的距离公式得d2x22x1-"=V5,所∠NA,M为直线EF与面ABB,A,所成的角.在Rt△A,MW中放直线1,与面1,BC,所成线面角的正弦值5Y了35以(a-2)+(b-2)的最小值为d=(V5)2-5,故选B项A,V7,NIA,N=V3∠M,M-4百21.解:(1)由题意,得圆心C(1,2),半径=2.8.C解析:该几何体如图所示,下半部是一个三棱柱,上放直线EF与面ABB,1所成角的余弦值为Y6因为(V2+1-1)+(2-V2-2)=4,半部是一个三棱锥,侧棱都与底面垂直,其中AB=4,AC=CB=3,3所以点P在圆C上AE=BF=3,CH=5,17.解:A(2,2),B(2,4),线段A的垂直分线方程为=3,又k-2V2-2V2+1-1-1,航以该切线的斜率=:A(2,2),C(3,3…线段AC的垂直分线方程为-5所以过点P的圆C的切线方程是y-(2-V2)=1x[x-(V2+1)],即x-y+1-2V2=0,(2)因为(3-1)+(1-2)-5>4,由sn得s心的生标23所以点M在圆C外部,当过点M的直线斜率不存在时,直线方程为x=3,圆M的半径=MM=V(2-2)+(3-2)=1,又点C(1,2)到直线x-3=0的距离d=3-1=2=r,。故圆M的方程为(x-2)+(y-3)2=1,即此时满足题意,所以直线x=3是圆的切线;则Sac2×4xV3-互=2V了,所以该几何体的体积v-18解:(油题意,得5D2,当该切线的斜率存在时,设切线方程为y-1=k(x-3),6-8t=32V5+号x5-32V5.2Y5则圆心C到切线的距离4_k-2+1-3=r=2,:AD∥BC,.n2.3Vk+1:AD边所在直线的方程为y-7=2(x+4),即2-+15=0,9.B解析:圆C,:(x+1)+(y-1)=1,圆心C,为(-1,1),半径-5-76解得t=子所以期我方为-1上子为1.由题意得,点C,(-1,1)关于直线x-y-1=0对称的点为C,设(2)由题意,得c6-4)-即3x-4y-5=0.1b-1·菱形的对角线互相垂直,(a,6,则am-l,综上,过点M的圆C的切线方程为x=3或3x-4y-5=0.解得-2,所以C,(2,-2,所以a-1b+1b=-2BD1AGa名因为MC=V(3-1)+(1-2)=V522-1=0.:AC的中点(1,1)也是BD的中点,所以过点M的圆C的切线长为VMC-r=VS-4=1.圆心C,(2,-2),半径为1,所以圆C,的方程为(x-2)+(y+2)2=1故选B项对角线0所在直线的方程为-1各(:-1.即5-622.解:(1)面FB,D1⊥面CEA1,证明如下:连接AC,BD交于点O,121=0.10.D解析:运行程序为s5-l1,2<5=5+51-219.解:(1)证明::△ABC为等边三角形,E为AB的中点:底面ABCD为菱形.AC⊥BD:直四棱柱上、下底面全等,12.3.4.CE⊥AB,-1-CE⊥FB,且FB,与AB相交,.CE⊥面FB,E,,由AC⊥BD,得AE⊥BD,111123451111:.CE⊥EF且CE⊥BBCB=CD,BB,=DD,..CB =CD.又AB=V2AA2Y5BAB-2.:E为B,D的中点,CE⊥B,D,1111136,退出循环,故输出s=写1+2+3+4+5)-(1+2+3+4+5)CE∩A,E=E,B,D,⊥面CEA,.AA=V2,EB=V3,又B,D,C面FB,D,∴.面FB,D,⊥面CEA3137436060故选D项EB=EB+BB,,EB⊥BB1.BB,⊥面ABC(2)连接0E,易知OE⊥面ABCD.OB,OC,OE两两互相11.C解析:直线,:kx+y-k-2=0,即k(x-1)+y-2=0,则该直线恒过点M(1,2).m号垂直22以0为原点,0B、OC、0E所在直线分别为xy轴建立如图又直线,:y=x-1上有一动点P,点N的坐标为(4,6)又EB,=V3,.FB=EF+EB,.EF⊥EB,所示的空间直角坐标系0xz,故M、都在直线:y=-1的上方.又CEOEB,=E,∴.EF⊥面CEB,点M(1,2)关于直线2:=x-1的对称点为M(3,0),(2)由(1)可知三棱柱MBC-A,B,C,是正三棱柱,直线V的方程为8-名即=6-18XV3:3V2417联立6-18,解得5aeem=cBsw有xVgx3Y,Y4=x-1,12=520.解:(1)证明:CC⊥底面ABCD,.CC⊥BD可得当服得是时.点标为号号故选:底面ABCD是菱形,∴.BD⊥AC则C0,V3,0),B=(1,0,4),F0,-V3,2),D,(-1,0,4)又Acncc,=C,.BDL面AC,C.CB=(1,-V3,4),D,B=(2,0,0),FB=(1,V3,2)C项又由四棱合ABCD-A,B,C,D,知,A,,A,C,C四点共面,设面CB,D,的法向量为n,=(x,X,,),12.B解析:画出几何体的图形,如图所示·BD⊥AA.(2)设AC交BD于点O,由题意,得A,C,∥OC且A,C,=OC,则即-V0.∴.A,0∥CC,且A,O=CC,nD,B=0,2x,=0,:CC,⊥底面ABCD,.A,O⊥底面ABCD.令y=4,得n,=(0,4,V3).以0为原点,OA、OB、OA所在直线分别为xy、轴建立如图设面FB,D,的法向量为n,=(x为2,,),所示的空间直角坐标系Oxz,则,即V5%+2-0,nDB=0,2x2=0,因为E、F分别为PA、PD的中点,所以EF∥AD令y=2,得n,=(0,2,-V3所以EF∥BC,所以直线BE与直线CF是共面直线,则①错误;In'nllcos(nx8-35V133由图可知,直线BE与直线A异面,则②正确:133由E、F分别为PA、PD的中点,可知EF∥AD,所以EF∥BC,因为EFt面PBC,BCC面PBC,所以EF∥面PBC,则放锐二面角F-BD,-C的余弦值为5V13图③正确;133答案专页第4页 their best choices.Making choices before considering all of the
information available can seriously diminish their chances of suc
cess in the world.
If adolescents can get the message that even if they disagree
with someone,perhaps there is still something of importance
from the person's viewpoint.So it's necessary for adolescents to
try to learn different opinions.It can broaden their
awareness
and help give them a wider perspective on the issues they are dis
cussing.It can also help adolescents develop empathy (for
others,which can enable them to still respect someone even
they don't agree with their views.
It can be quite limiting to make decisions based purely on the
"headline"and not understanding the very slight difference of the 【答案与解析】
英国的环保人士反对近几年来非常风靡的人工草皮,希望政
府能采取措施阻止人工草皮的发展。
32.B根据第2段第2、3句可知,过去,在英国人眼中,拥有护理
良好的草坪意味着富有。
33.A通读第3段可知,本段主要介绍人工草坪的使用急剧增加。
34.C根据画线词上文可知,研究发现,在人工草皮下活动的蚯蚓
的体重会减少14%,这对人工草皮的粉丝们来说可能不是问
题,因为虫洞在他们眼里是很烦人的。根据上下文的转折关系
可推知,这让绿色环保的人感到沮丧。
35.C根据最后一段第2句可知,英国政府称强行规定人们禁止
使用人工草皮是错误的。 听第9段材料,回答第14至16题。
14.What does the woman tell the man?
A.She will order later.
B.She first travels to China.
C.She learns to cook Chinese food.
15.What special dish does the man suggest?
A.Fried rice.
B.Roast duck.
C.Roast potatoes.
16.What service can the woman enjoy while waiting for her food?
A.Free milk.
B.The dancing performance.
C.The piano performance. pollution,although it does play a significant role.It is actually
something
many people have never
heard
about-government
subsidies(补贴),”says Cristina Mittermeier,co-founder of
SeaLegacy.Mittermeier explains that in Spain,for example,one
in three fish caught is paid by the government."Some govern
ments seem more
e concerned about keeping jobs alive in the fish
ing industry in the short-term than the long-term health of our
oceans,she says.The US has a range of fishing subsidies that
critics say drive fishing to excessive(过度的)levels.
These subsidies can lead to overfishing,which is when fish
are removed from a body of water at a faster rate than they can
reproduce,causing the fish population to continue decreasing.
'While pollution is a problem to be sure,the biggest issue
1S 试题答案
1~5 CABCA 6~10
AABCA 11~15 BCCCB
16~20 ACABA his heart.He felt that he owed something to the shop owner and
promised him that he would return his favor.
Stephen was in tears when he ate the noodles.The shop
owner asked what happened to him and why he cried.Stephen
told him the incident and the quarrel with his mother and that his
mother did not understand him.
Paragraph 1:
The shop owner asked Stephen,"Do you feel you owe me
something ?


