自我评价☆☆☆☆☆年二年级数学一、计算下面各题。56÷7=45÷9=72÷8=二、分一分。66420850249992980X50014900950146198850425691(1)哪些数比5000大？(2)哪些数在3000和6000之间？三、按规律填一填。1.846084708480)()2.999099929994(3.9150()()885087508650四、解决问题。贝贝给24名同学去买冷饮，每人1瓶，她至少要花多少钱？假日优惠5瓶1捆，每捆7元钱，每买1捆送1瓶。23

全国100所名校最新高考楼拟示花卷会When theday HarldRobers pleasedhave his edest child by his side andsaid it was a "really nice thing"to work together with her.His-daughter helped open thepatient's chest."She did a great job.It was really very smooth.I wouldn't have done the caseany better if I had another heart surgeon assisting me,"he said.Harold and Sophia Roberts reported their patient had done great since the surgery and waseven excited the father-daughter team would be taking care of her."I saw her in clinic not longago and she was very happy that her heart had made the news,"Harold Roberts said.Sophia Roberts'interest in medicine started at an early age.Harold Roberts said he tookher to her first operation when she was around 11 years old."Instead of reading storybooks toher at times,I was showing her anatomy books.She showed a real interest in thatand expressed a strong desire to do like me,Harold Roberts said.Today,the Robertses are excited to continue working together.For the next year,SophiaRoberts is looking forward to digging into cardiovascular(心血管的)research,before turningback to surgery in her 7-year residency program."In fact,we've made it this far and it's unusual enough that our paths have connected atthis point,but there's still a lot more to go,"Sophia Roberts said.But at the same time,Harold Roberts added,"What can be better?I taught this kid how to ride a bicycle a fewdecades ago.Now,to get to teach her how to operate on a human heart is pretty amazing.4.What benefit did Sophia Roberts get from the operation with his father?A.She became as famous as her father.B.She learned some skills from her father.C.She made friends with some patients.D.She was praised by other excellent doctors.5.What can we know from paragraph 4?A.Sophia's wish was to be a doctor when young.B.Sophia received her operation at about 11 years old.C.Sophia preferred storybooks to anatomy books.D.Sophia wasn't really interested in learning medicine.6.What can be inferred from the last paragraph?A.Sophia thought cooperation with her father was strange.O英语卷（五）第3页（共12页）【23·(新高考)ZX·MN·英语·SD】

绝密★启用前河北省2023届高三年级大数据应用调研联合测评（Ⅲ）英语班级一·姓名本试卷共10页，满分150分。考试用时120分钟。注意事项：1.答卷前，考生务必将自已的姓名、班级和考号填写在答题卡上。2.作答选择题时，选出每小题答案后，用2B铅笔把答题卡上对应题目选项的答案信息点涂黑：如需改动，用橡皮擦干净后，再选涂其他答案。非选择题必须用黑色字迹钢笔或签字笔作答，答案必须写在答题卡各题月指定区域内相应位置上；如需改动，先划掉原来的答案，然后再写上新的答案；不准使用铅笔和涂改液。不按以上要求作答的答案无效。答笨不能答在试卷上。3.考生必须保持答题卡的整洁，考试结束后，将本试卷和答题卡一并交回。第一部分听力（共两节，满分30分）做题时，先将答案标在试卷上。录音内容结束后，你将有两分钟的时间将试卷上的答案转涂到答题卡上。第一节（共5小题，每小题1.5分，满分7.5分）听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项。并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时问来回答有关小题和阅读下一小题。每段对话仅读一遍。例：How much is the shirt?A.￡19.15B.￡9.18.C.￡9.15.答案是C。1.When is the train leaving?A.At6:50.b.At6:55C.At7:00.2.What is the probable relationship between the speakers?A.Colleagucs.B.Friends.C.Classmates3.Where are the speakers?A.At home.B.In a drug store.C.At a clinic.4.What does the man mean?A.He has enough food.B.He is in a bad mood.C.He is too busy.5.What are the speakers mainly talking about?A.A family reunion.B.A happy familyC.A festival celebration.第二节（共15小题，每小题1.5分，满分22.5分）听下面5段对话或独白。每段对话或独白后有儿个小题，从题中所给的A、B、(C三个选项中选出最佳选项，并标在试卷的相应位留。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟：听完后，各小题将给出5秒钟的作答时间。每段对话或独片读两遍。高三英语第1页（共10页）CS扫描全能王

28.What do we know from the new map?A.Great Britain has the potential to rescue the lost rainforest.B.It shows both what exists today and what becomes of in future.C.Temperate rainforest has been decreasing over thousands of years.D.Lost rainforest could come back to life across 20%of Great Britain.29.What does the underlined word"compiled"in Paragraph 2 refer to?A.Composed.B.Compared.C.Collected.30.What is the purpose of the"YouGov poll"?D.Combined.A.To protect the Great Britain's rainforest.B.To collect suggestions from the public.C.To raise money for rainforest restoration.D.To seek support for rainforest expansion.出面同新容代，一便面的31.What does Paragraph 6 want to tell us?A.What the new environment secretary will do with rainforests.B.Whether they protect what remains or expand the rare habitat.C.How several organizations support Shrubsole's campaign.D.Why they should follow Chilean Patagonia,Alaska and Japan.n铷如D邮A psychedelic (compound found in magic mushrooms can treat severe depression,according to the largest study of its kind.长Some 230 patients who had not responded to anti-depressant medication took part in a randomisedmedical trial involving six-hour psychedelic"trips"followed by talking therapy().Nearly a third ofKthose given a certain amount of psilocybin were in relief three weeks later,meaning they no longer hadsignificant depressive symptoms().One in five people who took the medicine as told saw constant毁数mental health improvements after 12 weeks,compared with one in ten of those given therapy alone.The King's College London research team said that psilocybin,a psychedelic compound produced都by 200 types of mushroom,puts people in a"dream-like state"that alters connections in the brain so itis more receptive to therapy,ending ever-rooted negative patterns of thinking.The study,published in胎The New England Journal of Medicine,is described as a "significant milestone in mental health",with researchers promising to move quickly to get the treatment approved for NHS use.Dr James Rucker,co-author and a consultant psychiatrist and lecturer at King's College London,said the drugs "result in a medical state that participants described as a waking dream"which creates a“window of opportunity'”.The trial chose patients at 22 sites including London,Bristol and Newcastle,and is the biggest toevaluate psychedelic drugs for depression.The 233 adults,with an average age of 40,had "treatment-resistant depression".One third of participants took a tablet with 25mg of psilocybin in a"calming"room for six to eighthours with a "specially designed music playlist".They went home after the psychedelic effects woreoff,returning a week later for talking therapy.Most patients reported some side-effects includingheadache.The trial was run by Compass Pathways,a company in London.It will start a larger phase 3medical trial comparing psilocybin with existing treatments,with results expected in 2024.32.What is a psychedelic compound?A.It's a kind of medicine.B.It proves a useful therapy.C.It involves the medical trial.D.It leads to depressive symptom.【2023普通高等学校招生全国统一考试冲刺卷·英语（一）第5页（共8页）】

y第二句：was-isalong to kindergplace第三句：small前加beteacher Julie,she第四句：let一→lettingthe window to h第五句：Breads-→Breadleave23.第六句：grow→growingwould make frien第七句：Therefore-→However;The next daoout the kereru?去掉扣the classroom,I body size.第八句：lately→latebuilding blocksflying speed.第九句：that-wherethem had beenood intake well.第十句：Among-Betweenboy's namen around the world.书面表达son Levi and Lfrom Webb's words inOne possible version:same college aDear classmates,Louis and Levito treat those birds.them to the sameGood morning!Everyonethose drunken birdsFrom theirmay have many teachers iny feeds on fermented fruit.Friendship istheir life.Here I would like tofrequent visitor to the birdourselves.A gotalk about my teacher Mrs Hu.ugly truth we aEveryone likes her at first sight.erlined word"instrumental"'your real friendsMrs Hu is very kind toyour family,butn?us.Every time students inB.Potentialher class have trouble,she is第二节（共10小D.Changingalways the first to offer help.阅读下面短e kereru facing now?She is very skilled at teachingDuke Carlsoabitats.and management of the class.increase the numnd enough food.She knows how to get alongpatients throughoof disappearing.with those naughty boys,that the amounty natural enemies.how to arouse our interest indifference in theirlearning,and how to unite ourCarlson 42class together.Being one of herstudents,I feel really proudpatients gettingThank you for your listening!like to have an exompany's suggestion第4版take,”he says..Iiof plastic pollution.GUIDED WRITINGbout the igus:bike?One possible version:ned easily.Dear Mrs Williams,第一节短文改错mLi Hua,one of your假定英语课」

g(x四、解答题：共70分.解答应写出文字说明，证明过程或演算步骤.17.命题意图本题考查正弦定理和余弦定理的应用.解析)由A及正弦定理得m3,3,cos Asin B(2分)即tanA=-√3，…(3分)A∈(0，π)，A=2知3(5分)(Ⅱ)由余弦定理可知a2=b2+c2-2 bccos2严=+c2+c=7.3(7分)庙弦理西得hE号c之光c女sin sin0(8分)sinA△ABC的面积为S=2 bcsin A=0 SIn Bsin C7X1432sin A2x2·………………………(10分)218.命题意图本题考查数列的通项公式和前n项和.解析（I)当n=1时，a1=S1=4,….(1分)当n≥2时，Sn=n2+3,Sn-1=(n-1)2+3,作差得an=S。-Sn-1=n2-(n-1)2=2n-1,(3分)r4,n=1,故an=(4分)l2n-1,n≥2.(Ⅱ)当m=1时，6=10=10=5a,454x3=6,(6分)当n2时.6=20=10x×n2n+=5到22+i月…(8分)anan+1所以当n≥2时，Tm=b1+b2+…+bnTIANYI CULTURE-名+5[（兮）+(5-）*…+(2n2+川(10分)又I=名

2023小题优练英语答案47社交关系同、，然而贫穷人士的社变关系网中的人所拥有的收入人往我面很低，所以他们衡得到的众等金微是阳料较少的，因此这加腐了社会的不等。故选C。之D标题归纳题。根据第段“Online erowdfond市ng(众筹)6标medical erpenses一ssom写小modhas made ns believe and dee中ns health care ine中iie以，iewd水epos并结合全文内容可用，文章主麦讲述众等的或果不如想象中那么好。D项（众筹一不如想象中有效）活合作为文章标题。做选D。未文是一属说明文。文章介绍了世界友爱日以及友好对待利人的益处。8G语境题。根据空前to remind ourselves of the importance of being kin厂及空后“wheh际we are giving市g可知，C项善良可以显考改善我们的身心健康”符合语境。9主雷题。报罪木段Committing acts of kindness produces a hormone.,which means it proteets our heart击可,项司环的肌有者"正确。0。我事主题面"Give us energ”可知上项"参当善举可以给我们更多能量"有合境喷题。银室前being kind also produces serotonin in your bod山以及看mdhm量k面国p国厘mmm0广”可C项"这通毫称为快乐的项上下我真青着春语。夏B语度题。基空前emotionally can ph山小affect your immune syste量B项能第勇抗慧染和而毒着合语，太文灵一常明文。文量个绍了指家人道受重的趋势以及人、灵的原国■D国中ad考查回。e故室址h语。士语ee.是示间m之间是被动美系故其毛m甲国。小题练共语47页共56页0

二选择填空(A)25.一How will youmoney for the(C)30.Julia is going to taketrip tosick children?-By selling our old clothes.择填空Beijing this summer vacation.A.a eight-dayB.eight-daysA.raiseB.changeC.saveC.an eight-dayg(B)26.-Where did you get the bike,Sam?择(B)31.The police are trying tohow the择填空-I bought it in a second-hand shop at afire happened.good填空A.worry aboutB.find outA.skillB.priceC.wayC.deal withg选(B)27.Most of the people think the best season(A)32.-When did youyour American择填空Sanya is winter.friend John?A.visitingB.to visitC.visit整-Last week.He said he would come tovisit me soon.A.hear fromB.cheer upC.hear aboutg(C)28.-How much did ityou to go to选(A)33.does it take to go to the park on择填空the concert?foot?350 yuan.My parentsit for me-Only ten minutes.A.cost;costB.pay;cost空A.How longB.How far C.How oftenC.cost;paid选择填空选(B)29.-The movie Moon Man is wonderful(B)34.During the holidays,I often went to the-Really?I'm looking forwardgymmy classmate,Julia oftenit.went to the library.A.to seeB.to seeing婆A.becauseB.whileC.untilC.seeing9

()由题意，得(a+)(a-)=0,a+(1-2)a.6-6=0,又由①②，得+1-5--0,得a=号…12分19.（本小题满分为12分)解：(I)连接B,C交BC于点E,连接DE.因为D,E分别是AC,BC的中点，DE是△CAB的中位线，所以AB∥DE，又由AB丈面CDB,DEC面C,DB所以AB∥面CDB.……5分(II)过点D作DF垂直BC交于点F,则DF⊥面BBCC,设BC=4,则DF=4B=V4-a14-a2）_1当且仅当a=√2时取等号.所以三棱锥B一DBC的体积的最大值是。.…12分320（本小题满分为12分)组距解：(I)由表知得分在[60,70)内的频率为0.25，0.035所以t==0.025,…3分0.25100.02设均成绩的估计值为x,则0.015x=55×0.15+65×0.25+75×0.20.00560080100成绩（分）+85×0.35+95×0.05=74所以这100名学生的均成绩估计值为74分.……6分(Ⅱ)每个学生成绩不低于80分的概率为0.4，3名学生中恰有2人成绩不低于80分的概率P=3×0.42×0.6=0.288;3名学生中恰有3人成绩不低于80分的概率P,=0.43=0.0643名学生中至少有2人成绩不低于80分的概率P=P+D=0.352.…12分21.(本小题满分12分)解：(I)由余弦定理，得5222三z+五2一2-c2.b2+c2-a22ab2bc…2分a-c台州市高一数学期末答案第2页共4页

i记p0=nt+l,则o0)≤0，t子，所以当0