专题6专题综合检测
教科版2021版六年级上册语文期中复习专题：06综合题(III)卷
教科版2021版六年级上册语文期中复习专题：06 综合题（III）卷姓名:________ 班级:________ 成绩:________小朋友，带上你一段时间的学习成果，一起来做个自我检测吧，相信你一定是最棒的！一、综合运用 (共30题；共316分)1. （15分）漫步句子关。
在搬运战象的尸体时，人们发现一头浑身是血的公象。
缩句：________2. （16分）根据要求写句子。
①扩写句子（至少两处）手打着拍子。
②缩写句子。
从琴弦上飘出来的声音完全破坏了老人平静的心情。
③给下面句子换一种说法，但不要改变句子的意思。
您怎么能让他们这样对待妈妈?3. （20分）把陈述句换成把字句文宗让柳公权等人“欣赏”他的龙袍4. （15分）缩句。
①稻草人听见他们咬嚼稻叶的声音。
②一大片浓绿的稻子全不见了。
5. （5分）整理乱句，在括号内填上合适的序号。
（）研究小组花了一年多时间，他们发放了调査问卷，咨询了林业、科技、环保等专家学者，掌握了大量资料。
（）母亲告诉她，运到城里作绿化了，女孩当下对着母亲伤心地哭了。
（）几年前的一个中午放学回家，欧苏红发觉院子中央的大桂花树不见了。
（）擦干眼泪，欧苏红决定：写一篇论文，为决策层遇到类似问题找到解决办法。
（）研究小组得出结论：由于城镇生活环境不同于农村，移植到城镇的大树，其成活率大打折扣。
（）在老师的帮助下，欧苏红成立了研究小组，开始了实地调研。
6. （15分）(2019·东莞) 按要求写句子。
（1）老师反复强调下课要避免不发生安全事故。
（修改病句）（2）为什么瓜秧开了花不结瓜？是水浇得不够，是肥施得不足，还是土壤根本不行？（用下划线字仿写句子）7. （15分）修改病句。
①他的革命精神时刻浮现在我眼前。
②纪念三八节的到来。
8. （15分）按要求改写句子。
①范仲淹是北宋初年杰出的政治家、文学家。
（缩句）②这是个千载难逢的好机会。
（改成反问句）③范仲淹的志向，要么当个好大夫，要么当个好宰相。
2020年中考数学总复习单元综合检测六：圆
单元综合检测六圆(120分钟150分)1.如图,☉O中,弦AB,CD相交于点P,∠A=42°,∠APD=77°,则∠B的大小是A.35°B.42°C.43°D.44°2.如图,已知在☉O中,OA⊥BC,∠AOB=70°,则∠ADC的度数为A.30°B.35°C.45°D.70°3.如图,☉O的半径为2,A为☉O上一点,半径OD⊥弦BC于点D.如果∠BAC=60°,那么OD 的长是A.2B.C.1D.【解析】∵OD⊥弦BC,∴∠BDO=90°.∵∠BOD=∠A=60°,∴OD=OB=1.4.如图,△ABC的内切圆☉O与AB,BC,CA分别相切于点D,E,F,且AD=2,△ABC的周长为14,则BC的长为A.3B.4C.5D.6【解析】∵☉O与AB,BC,CA分别相切于点D,E,F,∴AF=AD=2,BD=BE,CE=CF.∵△ABC 的周长为14,∴AD+AF+BE+BD+CE+CF=14,∴2(BE+CE)=10,即BC=5.5.如图,☉O的直径BA的延长线与弦DC的延长线交于点E,且CE=OB.已知∠DOB=72°,则∠E等于A.36°B.30°C.26°D.24°【解析】如图,连接OC,则CE=OB=CO,∴∠E=∠1,∴∠2=∠E+∠1=2∠E.∵OC=OD,∴∠D=∠2=2∠E.∴∠3=∠E+∠D=∠E+2∠E=3∠E.又∠3=72°,∴3∠E=72°,解得∠E=24°.6.把球放在长方体纸盒内,球的一部分露出盒外,其截面如图所示.已知EF=CD=4 cm,则球的半径长是A.2 cmB.2.5 cmC.3 cmD.4 cm【解析】取EF的中点M,连接OM,OF.设球的半径为r cm,易得Rt△OFM中,OF=r,OM=4-r,FM=EF=2,(4-r)2+22=r2,解得r=2.5,则球的半径长为2.5 cm.7.一个圆锥的高为3 cm,侧面展开图是一个半圆,则圆锥的侧面积是A.6π cm2B.9π cm2C.6π cm2D.9π cm2【解析】设圆锥的底面圆的半径为r,母线长为l,由题意得2πr=πl,即l=2r,又∵r2+32=l2,解得r=,l=2,∴圆锥的侧面积是πrl=×2π=6π(cm2).8.如图,在半径为5的☉O中,弦AB=6,C是优弧上一点(不与点A,B重合),则cos C的值为A. B.C. D.【解析】连接OA,OB,过点O作OD⊥AB于点D,∴BD=AB=3,∠BOD=∠AOB=∠C.在Rt△BOD中,OB=5,BD=3,∴OD=4,∴cos ∠BOD=,即cos C=.9.小颖同学在制作手工时,把一个边长为12 cm的等边三角形纸片贴到一个圆形的纸片上,若三角形的三个顶点恰好都在这个圆上,则圆的半径为A.2cmB.6cmC.4cmD.8cm【解析】如图,☉O是等边△ABC的外接圆,连接OB,作OD⊥BC于点D,∵△ABC是等边三角形,∴∠ABC=60°.∵☉O是等边△ABC的外接圆,∴∠OBD=∠ABC=30°.∵OD⊥BC,∴BD=BC=6,∴OB==4(cm).10.如图,在平面直角坐标系xOy中,直线AB经过点A(6,0),B(0,6),☉O的半径为2(O为坐标原点),P是直线AB上的动点,过点P作☉O的一条切线PQ,Q为切点,则切线长PQ的最小值为A. B.3C.3D.【解析】连接OQ,OP,在Rt△OPQ中,PQ=.∵OQ=2,当OP取最小值时,PQ最小,且OP≥3,∴PQ≥.二、填空题(本大题共4小题,每小题5分,满分20分)11.如图,已知扇形的圆心角∠AOB=120°,半径OA=2,则扇形的弧长为.【解析】由弧长公式得扇形的弧长=.12.(2019·四川雅安)如图,△ABC内接于☉O,BD是☉O的直径,∠CBD=21°,则∠A的度数为69°.【解析】∵△ABC内接于☉O,BD是☉O的直径,∴∠BCD=90°.∵∠CBD=21°,∴∠A=∠D=90°-21°=69°.13.如图,AB是☉O的直径,弦CD⊥AB,∠BCD=30°,CD=4,则S阴影=.【解析】连接OC,设AB与CD交于点E,∵AB是☉O的直径,弦CD⊥AB,∴CE=DE=CD=2.∵∠BCD=30°,∴∠DOE=60°.又∵∠DEO=90°,∠ODE=30°,∴△CEB ≌△DEO(ASA),∴S△CEB=S△DEO,∴S阴影=S扇形BOD.∵sin ∠EOD=,∴OD=4,∴S阴影=S=π.扇形BOD14.如图,在△ABC中,∠ACB=90°,CD为AB边上的高,P为AC的中点,连接PD,BC=6,DP=4.O为边BA上一点,以点O为圆心,OB为半径作☉O,当☉O与∠PCD的边所在直线相切时,☉O的半径等于.【解析】∵∠ADC=90°,P是AC的中点,∴AC=2DP=8,又∵BC=6,∴AB=10,∴CD=,∴BD=.如图1,若☉O与CD相切,则☉O的半径r=BD=.如图2,若☉O与CP相切,则BO=OE=r,AO=10-r,由OE⊥AC知OE∥BC,∴△AOE∽△ABC,∴,即,解得r=.综上,☉O的半径等于.三、(本大题共2小题,每小题8分,满分16分)15.如图,四边形ABCD的顶点都在☉O上,∠ABC=135°,AC=4,求☉O的半径长.解:∵四边形ABCD的顶点都在☉O上,∠ABC=135°,∴∠D=180°-∠ABC=45°,∴∠AOC=2∠D=90°.∵OA=OC,且AC=4,∴OA=OC=AC=2,即☉O的半径长为2.16.如图,已知一条圆弧经过点A(0,4),B(4,4),C(6,2),在图中作出点A,B,C所确定的圆的圆心M,并直接写出圆心M的坐标.解:图略,圆心M(2,0).四、(本大题共2小题,每小题8分,满分16分)17.如图,在△ACE中,AC=CE,☉O经过点A,C,且与边AE,CE分别交于点D,F,B是劣弧上的一点,且,连接AB,BC,CD.求证:△CDE≌△ABC.证明:∵,∴∠DCE=∠BAC.∵四边形ABCD内接于☉O,∴∠CDE=∠ABC.又∵CE=AC,∴△CDE≌△ABC.18.如图,☉O是△ABC的外接圆,CA=CB,连接BO并延长交AC于点D.(1)求证:∠C=2∠CBD;(2)若AB=6,sin C=,则☉O的半径为5.解:(1)连接CO,AO.∵CA=CB,OA=OB,OC=OC,∴△COA≌△COB,∴∠ACO=∠BCO.∵OC=OB,∴∠BCO=∠CBD,∴∠C=2∠CBD.(2)提示:如图,作☉O的直径AK,连接BK,∴∠ABK=90°,∠C=∠K.∵AB=6,sin C=,∴sinK=,∴AK=10,∴☉O的半径为5.五、(本大题共2小题,每小题10分,满分20分)19.如图,△ABC内接于☉O.(1)作∠B的平分线与☉O交于点D;(用尺规作图,不写作法,保留作图痕迹)(2)在(1)中,连接AD,若∠BAC=60°,∠C=66°,求∠DAC的大小.解:(1)如图所示,BD即为所求.(2)∵∠BAC=60°,∠C=66°,∴∠ABC=180°-∠BAC-∠C=54°.由作图可知BD平分∠ABC,∴∠DAC=∠DBC=∠ABC=27°.20.如图,有一座拱桥是圆弧形,它的跨度AB=60米,拱高PD=18米.(1)求圆弧所在圆的半径r的长.(2)当洪水泛滥到跨度只有30米时,要采取紧急措施.若拱顶离水面只有4米,即PE=4米时,是否要采取紧急措施?解:(1)连接OA.由题意得AD=AB=30,OD=r-18.在Rt△ADO中,由勾股定理得r2=302+(r-18)2,解得r=34.(2)连接OA',OE=OP-PE=30.在Rt△A'EO中,由勾股定理得A'E2=A'O2-OE2,即A'E2=342-302,解得A'E=16,∴A'B'=32.∵A'B'=32>30,∴不需要采取紧急措施.六、(本题满分12分)21.如图,四边形ABDC内接于☉O,∠BAC=60°,AD平分∠BAC交☉O于点D,连接OB,OC,BD,CD.(1)求证:四边形OBDC是菱形;(2)若∠ABO=15°,OB=1,求弦AC的长.解:(1)连接OD,由圆周角定理得∠BOC=2∠BAC=120°.∵AD平分∠BAC,∴,∴∠BOD=∠COD=60°.∵OB=OD,OC=OD,∴△BOD和△COD都是等边三角形,∴OB=BD=DC=OC,∴四边形OBDC是菱形.(2)连接OA,∵OB=OA,∠ABO=15°,∴∠AOB=150°,∴∠AOC=360°-150°-120°=90°,∴AC=.七、(本题满分12分)22.如图,点E是△ABC的内心,AE的延长线交BC于点F,交△ABC的外接圆☉O于点D,连接BD,CD,过点D作直线DM,使∠BDM=∠DAC.(1)求证:直线DM是☉O的切线;(2)若DF=2,AF=5,求BD的长.解:(1)连接OD.∵点E是△ABC的内心,∴∠BAD=∠CAD,∴,∴OD⊥BC.∵∠BDM=∠DAC,∠DAC=∠DBC,∴∠BDM=∠DBC,∴BC∥DM,∴OD⊥DM.又∵OD为☉O的半径,∴直线DM是☉O的切线.(2)∵,∴∠DBF=∠DAB.又∵∠BDF=∠ADB(公共角),∴△DBF∽△DAB,∴,即BD2=DF·DA.∵DF=2,AF=5,∴DA=DF+AF=7,∴BD2=14,∴BD=.八、(本题满分14分)23.如图,AB是☉O的直径,过☉O上一点C作☉O的切线,交AB的延长线于点E.过点A作CE的垂线,垂足为D,AD交☉O于点F,设∠ABC=α(0°<α<90°).(1)用含α的代数式表示∠DAC;(2)若AB=10,sin α=,求AD的长;(3)若α=60°,AB=10,求图中阴影部分的面积.解:(1)连接OC.∵AB为☉O的直径,∴∠ACB=90°.∵OB=OC,∴∠OCB=∠ABC=α,∴∠ACO=90°-α.∵DE切☉O于点C,∴OC⊥DE.∵AD⊥CE,∴AD∥OC,∴∠DAC=∠ACO=90°-α.(2)在Rt△ABC中,∵sin α=,AB=10,∴AC=8.易得∠ACD=α,∴sin ∠ACD=sin α=,即,∴AD=.(3)连接OF,交AC于点G.∵∠DAC=90°-α=90°-60°=30°,∴∠FOC=2∠DAC=60°.∵OB=OC,∠ABC=60°,∴△OBC是等边三角形,∴∠BOC=60°,∴∠AOF=60°.∵OA=OF,∴△OAF是等边三角形,∴AF=OF=OC,∠AFO=60°.在△AFG和△COG中,∴△AFG≌△COG,∴S△AFG=S△COG.∵AB=10,∴☉O的半径r=5,∴S阴影=S扇形OFC=.。
2020-2021学年八年级下册英语外研版 Module 6综合能力检测卷
八年级下册英语外研版Module 6综合能力检测卷时间:60分钟满分:100分一、单项填空(每小题1分,共10分)1.The teacher hurried into the classroom a book in his right hand.A. inB. byC. forD. with2.My grandpa who knows the medical of many plants is very glad to help others.A. moneyB. priceC. valueD. cost3.—When will your new book?—It has not been decided yet.A. find outB. come outC. look upD. set up4.—Hi, Li Mei. How is your new school?—Fantastic. We can choose the courses according to our . I love operas, so I took the Beijing Opera class.A. gradesB. talentsC. interestsD. experiences5.It is not polite to ask questions like age and pay.A. sillyB. publicC. smartD. personal6. As the story, the secret of the castle is discovered little by little.A. endsB. beginsC. developsD. happens7.—What are you doing?—I'm the room. It's so messy.A. tidying upB. looking afterC. taking offD. getting on8.He drove too fast., the policeman stopped his car.A. What's worseB. For exampleC. As a resultD. In short9.This pair of glasses be Tony's. He's the only one who wears glasses.A. mustB. mightC. can'tD. shouldn't10.—My car is broken.I don't know how to repair it.—.There might be something wrong with the engine.A. Of course notB. Don't say soC. I'm afraid notD. Let me have a look二、完形填空(每小题1.5分,共15分)I'm a student. My hobbies are enjoying music and watching some educational(有教育意义的)TV programmes.I have been interested in music since 2008. I used to 11 my favourite songs on the radio 12 CDs were too expensive for me to buy then. But now, I cango to 13 shops to buy good CDs. There are different kinds of CDs and I can choose 14 I like. Of all kinds of music, I 15 folk music(民间音乐) best.I also spend an hour 16 news and documentary(纪录片) programmes after dinner. I 17 enjoy the programme Every Treasure Tells a Story(《如果国宝会说话》) because I can get lots of information of 18 and human civilizations(文明). I always feel tired after one day's study and watching TV can 19 me relaxed.I think that my hobbies are very 20. They can relax my mind and make me know more about the world.11.A. hear B. listen to C. sing D. look at12.A. because B. although C. so D. but13.A. book B. clothes C. music D. food14.A. this B. they C. it D. those15.A. carry B. teach C. watch D. like16.A. watching B. reading C. speaking D. pouring17.A. immediately B. clearly C. especially D. nearly18.A. nature B. history C. sun D. land19.A. bring B. make C. improve D. give20.A. healthy B. impossible C. boring D. helpful三、阅读理解(每小题2分,共30分)ASharing WallDear readers,Where do you usually read books? Please share your ideas. Thank you!21.The readers share their ideas by writing a(n).A. emailB. poemC. noteD. report22. thinks home is the best place to read books.A. RoseB. EmmaC. DickD. Bill23.Dick enjoys reading in the reading club because he can .A. listen to the sound of rainB. sit on the floor or lie on the sofaC. talk about books with friendsD. watch different people pass by24.The ideas above are mainly about .A. how to choose booksB. when to borrow booksC. where to read booksD. which books to buy25. Where does the passage probably come from?A. An ad.B. A report.C. A noticeboard.D. A guidebook.BMy favourite hobby is swimming. I go swimming every Monday and Tuesday fromfive to six at the swimming club. At the swimming club we do the breaststroke, butterfly, backstroke and sidestroke. We also do diving and tumble turns. And I have won a bronze medal and a silver medal so far.My favourite stroke is breaststroke. In this stroke the arms and legs work in turn. First the arms pull. Then the legs kick and the whole body glides forward with arms and legs straight.I also like butterfly. In butterfly you hold your legs together and move them up and down while moving your arms together over your head.I used to go to have swimming lessons on Friday night with Sinead. My father isa very good swimmer. He is the one who taught me how to swim. Sinead is also a very good swimmer. We both go to the swimming club now.26.The writer swims for hours at the swimming club every week.A. twoB. fourC. fiveD. six27.The underlined word "glides" means in Chinese.A. 消逝B. 滑动C. 颤抖D. 静止28. Which of the following does the writer like best?A. Breaststroke.B. Butterfly.C. Backstroke.D. Sidestroke.29.The writer used to go to have swimming lessons on .A. MondayB. TuesdayC. FridayD. Sunday30.Which of the following is WRONG according to the passage?A. The writer's father is the one who taught the writer how to swim.B. The writer has won a bronze medal and a silver medal so far.C. The writer also does diving and tumble turns at the swimming club.D. When having breaststroke, the legs are held together.CTravelling AloneIf you've ever travelled with other people, maybe you've had to make compromises. When you want to get up early to watch the sunrise, for example, your friends may think that getting enough sleep is more important.This is probably why more people these days are choosing to travel alone. According to reports on holiday habits from the Association of British Travel Agents, the percentage(百分比) of people in the UK who take trips alone has been increasing. Most of these people said they choose to travel alone because this allows them to "do what they want".In fact, travelling alone is only a part of a recent trend(趋势) of people wanting to take more time alone — or what's called "me time".However, it's still widely believed that those who do things alone are losers and that they're alone simply because they don't have anybody to be with. But why can't people just be enough for themselves?The now Duchess of Sussex Meghan Markle once wrote on her blog about how she enjoyed taking herself out to dinner and travelling alone."It's not easy. But it's important," she wrote. "To be present and to power through the feelings that fill your head and heart of loneliness and boredom. Let that stuff go. Enjoy it alone."31.What do many people choose to do according to the reports?A. Travel alone.B. Watch the sunrise.C. Eat dinner out.D. Get enough sleep.32.What does the underlined word "compromises" mean in Chinese?A. 成绩B. 快乐C. 同意D. 妥协33.What does "me time" refer to according to he passage?A. The time to be together with others.B. The time to travel by themselves.C. The time to take more time alone.D. The time to get away from cities.34.Meghan Markle thinks that doing things alone is .A. hard but importantB. exciting but hardC. interesting but hardD. boring but important35.What's the main idea of the passage?A. It's important to travel with others.B. Travelling alone is getting popular.C. We should do what we want at all times.D. We should think more of ourselves.四、从方框中选择最佳选项补全对话(有两项多余)(每小题1分,共5分)Sophie: What's your hobby, Tony?Tony:36Sophie: What kind of music do you like best?Tony:37Sophie: Who's your favourite classical composer?Tony: Mozart. What's your hobby, then?Sophie:38Tony: And Grimm's Fairy Tales is your favourite book, isn't it?Sophie:39Tony: I have seen you read it several times. 40五、任务型阅读(每小题2分,共10分)It was a summer afternoon in the countryside. Wan Bo, a university student, was painting while his classmate Tang Qi was making a wooden box by the river. A little boy riding on a rocking horse caught their eye by chance. It brought them back to their childhood, warm and happy."Why not try to make one by ourselves?" said Wan Bo. "You are good at making things and I am interested in painting.""Actions speak louder than words," Tang Qi said. Then, the two young men began to collect some information about it. During those days, watching videos about carving(雕刻) and shaping wood into horse shapes on the Internet became animportant part of their life.Several months later, a wooden rocking horse appeared. They felt so excitedthat they put the picture of it on the Internet right away. To their surprise, it attracted lots of people's attention and some even hoped to order one.The two young men thought it might be a good chance. They sent some forms to the customers to make a survey. According to the result, they made each customer aspecial rocking horse. These horses were quite different from those produced in other factories, and they soon became popular among the customers.In the first year of their new hobby, Wan and Tang made thirteen rocking horses. Sometimes, they also repaired rocking horses for people. They made the old ones look new again. Wan and Tang helped those people bring back many happy memories.Their hobby has now become a successful and busy business.根据短文内容回答下列问题41.What caught Wan and Tang's attention on the summer afternoon?(不超过10个词)42.How long did it take Wan and Tang to finish the first rocking horse?(不超过5个词)43.How many rocking horses did Wan and Tang make in the first year of their new hobby?(不超过5个词)44.What did the forms help Wan and Tang to know about?(不超过15个词)45.Do you think it is a good idea to start a business with the hobby like the two young university students? Why or why not?(不超过20个词)My hobby is 46 chess — the greatest game in the world. My mum 47 me how to play it when I was seven years old. She 48 me every time for the first year. But then, on my eighth birthday, I 49 for the first time. I nearly always beat her now.It 50 about a day to learn the rules. But if you want to be good, you have to 51 for years. You don't need much to play chess — just a chess set and someone to play 52. Chess sets can be quite cheap, or incredibly expensive. Some people 53 chess sets as a hobby, but I prefer to play.There is a chess club in our school. We meet every week to play with each other. I am the best player in the club, and the captain(队长) of the school chess team. This year we won the all England schools' championship(冠军). I54 onto the stage in front of the whole school to collect the prize.I'm saving up my money to 55 a chess computer. It's very good for practice. That way I'll always have someone to play with, and I'm sure I'll make more progress.46.47.48.49.50.51.52.53.54.55.七、书面表达(20分)HAPPY WEEKENDS向中学生征稿。
专题六+中国与世界(示范课件)-【二轮专题突破】2023年中考道德与法治二轮专题整合复习课件+检测
宗教问题；恐怖主义等 争的阴影从未远离。护世界和平作出贡献。
核心考点
素养导航 核心考点 综合提升 典题精练
推动世界和平发展，构建人类命运共同体
是什么
推动可持续发展
为什么
如何
当今人类必须共同面对 ① 世 界 经 济 发 展 不 平 世界各国：
的发展课题：
衡现象仍然存在，发 ①在不同的发展阶段设立了递进式的
中国秉持“和而不同”的思想以及共商共建共享的全球治理观。中国倡导国际关
系民主化，坚持国家不分大小、强弱、贫富一律平等，使世界向着公平公正、多
元共治、包容有序的格局发展。
核心考点
素养导航 核心考点 综合提升 典题精练
了解中国的发展离不开世界，世界的发展离不开中国
国际上的中国——文化方面
是什么
为什么
明因互鉴而丰富。通过精 ③对其他文明的学习，我们
神的交流互鉴支撑和心 美，更应该领略其中蕴含的
灵慰藉。
人文精神。
核心考点
素养导航 核心考点 综合提升 典题精练
了解中国的发展离不开世界，世界的发展离不开中国
国际上的中国——经济方面
是什么
为什么
如何
时和作理坚理球广各展公国念、代家益持 发 尽 的 平平念和共。潮、合展所成地、，主赢流各作中能果惠发主张：施共要更及张展，：所赢集多各在、让长的思更个全合发、影①市的中共②新经多长这获响 享国 的 济 国 使 得场产为 中 ，与发与更需活发家中世国、品贡展世大要力展为国界正更、献成界发与的谋在各为充更，：果各展中引求国国世足宝中。国空国擎经际提界的贵国分间开和济合供经资的日享和展稳的作了济本合益发心深定稳各更增作成、展灵入器定个广长契为更慰机合与领阔注机世丰③藉遇作增域的入界富。许。，，①致②的③新以界④发数界力实型的中中寻中中展字经于际发其国国求国国能鸿济共利展同重充共的支力沟。同益合发持，视分同发等建作展，广与考增展推问设机互。大相虑长为题动一制信发关相点引，解个；互展国关擎、推决繁利中家合动努，全荣，国和作建力带球的取家地国设探动发世长提区家开索区展界补高的和放与域失短。自合地型建与衡；主作区世立世、，
Module 6 Problems模块综合检测(含答案)
Module 6 Problems模块综合检测（含答案）单项选择1.—Have you found your lost mobile phone?—No, I haven’t. But I bought ______ yesterday.A. itB. oneC. anotherD. other2. She’s not strong enough ______walking up mountains.A. to goB. goingC. goD. went3. The English teacher suggests all of the students ______English every morning.A. readB. readsC. readingD. to read4. —Hi, Ann! I won the first prize in the English Speech Contest.—Congratulations! And I guess your parents must ______you.A. be mad atB. be proud ofC. be angry withD. be impolite to5. The boy offered ______an old lady cross the road.A. helpB. to helpC. helpedD. helps6. Finish your homework first, then you’ll ______watch TV for an hour.A. canB. be able toC. able toD. could7. Parents always ______their children ______play football in the street.A. warn; not toB. say; toC. say; not toD. warn; to8.—I am getting fatter and fatter these days.—You should have more vegetables and fruit ______so much meat.A. instead ofB. because ofC. plenty ofD. instead9.—Don’t give yourself ______stress.—I know, but this case is ______important for me.A. too much; much tooB. too much; too muchC. much too; too muchD. too many; much too10. —We’re going to hold a party next Saturday, and I’d like you to come.—______! I have a meeting to attend that day.A. Good luckB. What a pityC. It’s greatD. Well done完形填空Ted sat next to me when we were in primary school. He had serious problems when he talked with people. One always 1 guess what he was saying. Besides, most of my classmates did not like to be with him 2 his hands and shirts were 3 dirty. I tried to let him know the importance of being clean by 4 him several times a day to wash his hands. 5 he just could not understand.One day, our teacher Miss Li walked up to Ted. Without saying 6 , she took Ted to the washroom. Slowly, Miss Li 7 his hands and told him that he should keep himself clean. She did that every day for one 8 . Finally, Ted understood.Miss Li’s love has given me a good example to follow when I am doing my9 . I always remember to teach my students 10 showing them the right ways to do things. And most important of all, I always remember to give them more time to learn and to grow up.1. A. should B. had to C. might D. could2. A. although B. after C. before D. because3. A. always B. sometimes C. seldom D. never4. A. telling B. killing C. hurting D. feeding5. A. And B. Or C. But D. So6. A. nothing B. everything C. something D. anything7. A. touched B. washed C. moved D. caught8. A. hour B. second C. day D. month9. A. job B. homework C. travel D. business10. A. with B. in C. to D. by阅读理解She is a cute, quiet girl. As a daughter, she has no secrets from her mother, who is very pleased with her. But recently she has become rather mysterious, not so open as her. What if she falls in love, which is too early of her age? After all, she is reaching the“dangerous time”. These thoughts have caused trouble in the mother’s mind.One weekend the girl came to tell her mother that she was going to the cinema with her schoolmate and would return late. This was the first time her mother agreed, and she couldn’t help worrying because her daughter had never been away at night before. The mother waited till nine and decided to go out to meet her daughter. Just at that time the noise of a car pulling up drew her to the window and—there was her daughter, waving goodbye to a boy. Her heart missed a beat. When the girl came in, the mother was watching TV, pretending nothing had happened. “Mum. I’m back. ”“Yeah. ”“Sorry to be late. Still sitting up? ”“Yes. Oh, that. . . Who’s that boy? ”The daughter was stunned for some time. “Ah. It’s my monitor. He gave me a lift on his way home. Mum, I’m going to bed. ”“All right. Go to sleep early. ”Next morning when the mother went to the daughter’s room to do some tidying, she found her diary, left at her pillow. After a few minutes’ hesitation, she finally opened it to the entry of the night before. It reads: Mum, it’s love that made you ask, but it would show your understanding of me if you hadn’t.1. Which is the correct order according to the story?a. The girl took a lift back in her monitor’s car.b. The girl went to see a film with her schoolmate.c. The girl wrote a diary to her mother.d. The mother pretended to be watching TV.e. The mother worried about her daughter’s returning late.A. b, e, a, d, cB. e, b, a, d, cC. b, a, e, d, cD. b, e, a, c, d2. Which of the following is TRUE according to the story?A. The girl knew her mother would ask her the question about the boy.B. What the daughter did these days worried her mother.C. The mother was eager to read her daughter’s diary the next day.D. The girl’s diary was always unlocked.3. From the diary, we can see the girl ______.A. thanked her mother for asking herB. thought her mother cared about her very muchC. thought it was her mother’s duty to ask herD. thought understanding is better than simple love4. The main purpose of this article is to show that parents should ______.A. talk with their children about their early loveB. not give much freedom to their childrenC. care about what their children really think and feelD. keep silent about their children’s secrets根据句意及首字母或汉语提示完成单词1. I want to learn a kind of i __________, for example, guitar.2. —I’ll look for some material, and you’ll make a PPT.—It’s a d __________.3. It’s n __________to wear a mask(口罩)in hazy(薄雾蒙蒙的)weather.4. The boy is __________(诚实的). He tells the truth all the time.5. (东台创新学校质检)His father is one of the best __________(工程师)in his factory.完成句子1. 我养成了每天晚上听音乐的习惯。
矩阵与变换二阶矩阵平面逆变换等章节综合检测专题练习(六)附答案高中数学
高中数学专题复习
《矩阵与变换二阶矩阵平面逆变换等》单元过关检测
经典荟萃，匠心巨制！独家原创，欢迎下载！
注意事项：
1．答题前填写好自己的姓名、班级、考号等信息
2．请将答案正确填写在答题卡上 评卷人
得分 一、填空题
1．已知以,x y 为变量的二元一次方程组的增广矩阵为211120-⎛⎫ ⎪-⎝⎭
，则这个二元一次方程组的解为____________.
2．在直角坐标系中，已知椭圆22
41x y +=，矩阵阵⎥⎦⎤⎢⎣⎡=0110M ，0210N ⎡⎤=⎢⎥⎣⎦，求在矩阵MN 作用下变换所得到的图形的面积. 评卷人
得分 二、解答题
3．（本小题满分10分，矩阵与变换）
已知矩阵21n A m ⎡⎤=⎢⎥⎣⎦
的一个特征根为2λ=，它对应的一个特征向量为12α⎡⎤=⎢⎥⎣⎦． （1）求m 与n 的值； （2）求1A -．
4．选修42-：矩阵与变换。
化学：专题综合检测(一)(苏教版选修6)
一、选择题(本题包括15小题，每小题3分，共45分)1．(2011年温州高二检测)下列是摘取学生实验报告单中的语句，其中说法正确的是( ) A．日常生活中不能用粥汤检验碘盐中是否含有KIO3B．将铁屑、浓溴水、苯混合可制得溴苯C．用蒸馏方法除去乙醇中的水D．洗涤沉淀时，应用玻璃棒轻轻搅拌，使得沉淀表面上的杂质溶于水中解析：选A。
粥汤只能检验碘单质的存在，而不能检验KIO3的存在，故A项正确；B项，制溴苯需要液溴而不是浓溴水；C项中需加入氧化钙后，再进行蒸馏方可除去水，否则会形成乙醇、水二元恒沸体系；洗涤沉淀不能搅拌，否则会捅破滤纸，D项错误，正确的操作是向沉淀中加蒸馏水，使水没过沉淀，等水自然流完后再重复操作几次。
2．下列混合物的分离和提纯方法中，主要是从溶解性的角度考虑的是(双选)( )A．蒸发B．蒸馏C．过滤D．萃取解析：选CD。
蒸发和蒸馏主要是从物质沸点的角度考虑，过滤主要是除去液体中不溶性固体，要考虑溶解性，萃取是利用溶质在互不相溶的溶剂里溶解度的不同，用一种溶剂把溶质从它与另一溶剂所组成的溶液里提取出来的操作，要考虑溶解性。
3．(2011年漳州高二检测)以下关于纸层析的叙述，错误的是( )A．纸层析法适用于分离和检验化学性质十分相近的分子或离子B．用纸层析法可以检验氯化铁溶液中是否混有少量氯化铜C．纸层析法是利用试样中各种离子随展开剂在滤纸上展开的速率不同而形成不同位置的色斑D．为了看到色斑，只有有色离子的检验才可以用纸层析法解析：选D。
纸层析能够分离和检验化学性质十分相近的分子或离子，但并不是只有有色离子的检验才可以用纸层析法，无色离子的检验可以先纸层析后再利用显色反应检验。
4．下列各组固体物质中，可按照溶解、过滤、蒸发的实验操作顺序将它们相互分离的是( ) A．NaNO3和NaCl B．MnO2和KClC．CuO和木炭粉D．BaSO4和AgCl解析：选B。
由不溶性物质与可溶性物质组成的混合物，可采取溶解、过滤、蒸发的实验操作顺序进行分离。
2023届高考二轮总复习课件(适用于老高考旧教材)历史专题检测六现代中国特色的民主政治与外交
专题检测六现代中国特色的民主政治与外交一、选择题1.(2022四川成都蓉城名校联考)学者竺可桢的日记记载:“午后三点至怀仁堂……通过……人民共和国第一个宪法……票写好后分为八组……票上有汉、藏、蒙、畏吾儿四种文字……主席团开会……说明廿二号的政治报告因翻译蒙、藏文需时,延期到廿三日。
”该日记可以佐证()A.社会主义法律体系形成B.基层民主政治建设效果显著C.人民民主统一战线建立D.新中国的民族政策得以落实2.有民主人士在中国人民政治协商会议第一届全体会议上说,这个纲领综合了革命的历史经验,主要根据《新民主主义论》《论联合政府》《论人民民主专政》等著作拟定出来。
这表明建设法治中国()A.是抗日战争的胜利成果B.应着力健全权力机关C.有赖于坚持中国共产党的领导D.必须调动各民主力量3.1954年6—9月,中国有组织地开展了宪法草案讨论和宣传工作。
据统计,许多地区的参与者超过当地成年人口的70%,有些地方甚至超过90%,共收到118万多条意见、建议和问题。
这一活动()A.保证了宪法的社会主义性质B.增强了人们的民主参与意识C.标志着社会主义时代的到来D.反映了过渡时期的根本任务4.(2022云贵川藏四省名校大联考)20世纪末21世纪初,一些法制节目受到了观众超乎寻常的期待和欢迎。
下面是2010年某一个月一个法制节目内容主题图表。
这反映出()A.社会治理法制化趋势增强B.所举案例具有巨大冲击力C.电视成为主要的传媒手段D.国家法律制度形成了体系5.据学者统计,1953年到1956年,《人民日报》使用“和平共处”一词每年都成倍地增长,尤其是1954年后使用频率增长更快。
这一现象()A.直接推动了日内瓦会议召开B.说明和平共处理念成为国际共识C.反映了意识形态影响的减弱D.体现了中美关系的调整与缓和6.(2022安徽淮北一模)1949年12月,印度总理尼赫鲁表示:承认中华人民共和国,希望与新中国建立外交关系。
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(时间：90分钟；满分：100分)一、选择题(本题共20小题，每小题2.5分，满分50分)1．下列属于植物芳香油理化性质的是()①具有较强的挥发性②易溶于水③易溶于有机溶剂④具有特殊的植物香味A．①②③B．②③④C．①③④D．①②④解析：选C。
植物芳香油的组成主要包括萜类化合物及其衍生物，易溶于有机溶剂，具有很强的挥发性和特殊的香味。
2．主要分布在植物的花中的芳香油有()①玫瑰油②香草油③香叶油④樟油⑤依兰油⑥薄荷油⑦橙花油⑧檀香油⑨杏仁油⑩金合欢油A．①③④⑤⑦⑧B．①⑤⑦⑩C．②③⑤⑦⑧⑩D．②③⑥⑦⑧⑨⑩解析：选B。
玫瑰油、依兰油、橙花油、金合欢油主要分布在植物的花中，香草油、香叶油、樟油、薄荷油、檀香油主要分布在植物的枝叶中，杏仁油主要分布在植物的种子中。
3．从下列植物中提取植物芳香油时，可采用水蒸气蒸馏法的一组是()①玫瑰油②橘皮油③茉莉油④桂花油A．①②B．③④C．①③D．②④解析：选C。
用水蒸气蒸馏法提取植物芳香油时，芳香油要具有挥发性的特点，且在蒸气过程中有效成分不能受到破坏。
从橘皮中提取橘皮精油时，若采用水蒸气蒸馏法，则会发生有效成分部分水解，并产生原料焦糊的问题，因此一般采用压榨法。
桂花油易溶于有机溶剂，因此用萃取法提取较好。
4．在水蒸气蒸馏装置中从进水口通入水的作用是()A．加热B．防止过度沸腾C．过滤D．冷凝解析：选D。
本题考查蒸馏法分离植物芳香油的实验装置各部分的作用。
在水蒸气蒸馏装置中从进水口通入水的作用是冷凝。
5．A．分馏法B．升华法C．萃取法D．过滤法答案：A6．在玫瑰油提取中，收集锥形瓶中的乳白色的乳浊液，向锥形瓶中加入()A．无水硫酸钠B．苯C．乙醇D．氯化钠解析：选D。
向乳浊液中加入氯化钠，可降低玫瑰油的溶解度，盐析的结果使水和油分开，这样有利于玫瑰油的纯化与回收。
7．“橘皮精油的提取”实验所用的石灰水的作用不．包括()A．破坏细胞结构B．分解果胶C．调整pHD．防止橘皮压榨时滑脱，提高出油率解析：选C。
石灰水在“橘皮精油的提取”中的作用是能够破坏细胞结构，分解果胶，防止橘皮压榨时滑脱，提高出油率。
石灰水的pH为12，强碱性，不能调整pH。
为了使橘皮精油易于与水分离，还要分别加入相当于橘皮质量0.25%的小苏打和5%的硫酸钠，并调节pH至7～8。
8．压榨完橘皮后，处理压榨精油时，离心的目的是()A．除去质量较小的固体残留物B．除去水分C．除去固体物和残渣D．除去果蜡、果胶解析：选A。
将榨出的油水混合液用布袋过滤，除去糊状残渣，再将得到的混合物用6000～8000 r/min的转速进行高速离心，以除去质量较小的固体残留物。
9．对玫瑰油提取操作叙述错误的一项是()A．应取刚采摘的玫瑰花瓣，不能取放置时间很长的花瓣B．提取时花瓣与清水的质量比为4∶1C．蒸馏温度太高、时间太短，提取的玫瑰油品质就差D．向分离的油层中加入无水硫酸钠，然后过滤就可以得到玫瑰油了解析：选B。
最好选用当天采摘的鲜玫瑰花，提取时花瓣与清水的质量比为1∶4；如果蒸馏温度太高、时间太短，则玫瑰油中杂质较多；向分离的油层中加入无水硫酸钠，吸收油层中的水分，从而得到比较纯净的玫瑰油。
10．橘皮精油的提取过程中，过滤得到水、果蜡和橘皮油的混合物，静止5～7 d后，用吸管吸出物质是()A．上层中的水B．下层中的果蜡C．下层中的水和果蜡D．上层中的橘皮油解析：选D。
水、果蜡和橘皮油的混合物中，油的密度最低，位于上层的是橘皮精油。
11．关于植物芳香油的叙述错误的是()A．挥发性强，易溶于有机溶剂，一般来说价格昂贵B．都是由天然植物的茎、叶、树干、花、果实和种子等部位经过萃取出来的浓缩液体C．它是植物免疫和维护系统稳定的精华D．马蜂或蚊虫叮咬后，只需涂一滴精油就能很快消除疼痛解析：选B。
本题主要考查植物芳香油的特点、提取方法及作用。
植物芳香油不仅挥发性强，而且易溶于有机溶剂，如石油醚、酒精、乙醚和戊烷等，根据植物原料的特点，选择不同的提取方法，植物芳香油的提取方法有蒸馏、压榨和萃取等。
植物芳香油的存在对于保护植物体本身有重要作用。
12．橘皮精油的提取中，用压榨法得到压榨液，为了使橘皮油易于与水分离，还要分别加入两种物质，并调节pH至7～8，这两种物质是()A．相当于橘皮质量的0.25%的小苏打和0.25%的硫酸钠B．相当于橘皮质量的0.25%的小苏打和5%的硫酸钠C．相当于橘皮质量的5%的小苏打和0.25%的硫酸钠D．相当于橘皮质量的5%的小苏打和0.25%的硫酸钠解析：选B。
分别加入相当于橘皮质量的0.25%的小苏打和5%的硫酸钠，目的是使橘皮油易于和水分离。
13．对分液漏斗的使用，正确的是()A．首先把活塞擦干，为活塞均匀涂上一层润滑脂B．塞好活塞后，把活塞旋转几圈，使润滑脂分布均匀C．检查分液漏斗的顶塞与活塞处是否渗漏，确认是否滴水D．取下分液漏斗，用左手手掌顶住漏斗顶塞并握住漏斗颈，右手握住漏斗活塞处，大拇指压紧活塞，将分液漏斗略倾斜，前后振荡解析：选D。
本题考查常用化学仪器的使用方法。
14．食品添加剂中的鲜味剂和色素分别是()A．谷氨酸、胡萝卜素B．苹果酸、红曲素C．高果糖浆、胡萝卜素D．肌苷酸、柠檬素解析：选A。
食品添加剂中的鲜味剂是肌苷酸、谷氨酸等；色素是β胡萝卜素、红曲素等；甜味剂是高果糖浆；酸味剂是柠檬酸、乳酸等。
15．由于胡萝卜素在人体内可转化为维生素A，可预防多种疾病，所以对于胡萝卜的食用方法讲究很多。
胡萝卜素在不同溶剂中的溶解度差别很大，以下食用胡萝卜的方法最合适的是()A．洗净，生吃B．清蒸，放糖C．炒着吃，多放油D．清炖，喝汤答案：C16．如果萃取胡萝卜素样品层析后，层析带的颜色比标准样品浅，则最有可能的原因是()A．萃取的时间不够B．选择的萃取剂不恰当C．提取物中含有杂质D．浓缩过程操作不当解析：选C。
如果提取物中混有杂质，则胡萝卜素的含量相对较少，层析带的颜色可能比标准样品的浅。
17．萃取胡萝卜素时应采用下列哪种萃取剂()A．石油醚B．乙酸乙酯C．乙醚D．苯解析：选A。
萃取胡萝卜素的有机溶剂应该具有较高的溶点，能够充分溶解胡萝卜素，并且不与水混溶。
四种试剂的沸点依次是90～120 ℃、77 ℃、35 ℃和80 ℃，其中石油醚的沸点最高，在加热萃取时不易挥发，最适于作萃取剂。
18．萃取过程中采用水浴加热的原因是()A．水浴加热不易破坏胡萝卜素分子的结构B．是为了保持97～100 ℃的恒温C．防止加热时有机溶剂挥发D．有机溶剂遇明火易爆炸解析：选D。
萃取过程使用的有机溶剂都是易燃物，直接使用明火加热容易引起燃烧爆炸，所以宜采用水浴加热。
19．萃取法提取出的胡萝卜素粗品，可以通过纸层析法进行鉴定，原理是()A．色素提取液中不同色素已经分层B．阳光的照射使各种色素已经分层C．层析液对各种色素的溶解度不同，造成不同色素在滤纸上的扩散速度不同D．层析液中丙酮酸使色素溶解，而且彼此分离的扩散速度不同解析：选C。
由于不同色素在层析液中的溶解度不同，当层析液在滤纸上扩散时，溶解度高的随层析液在滤纸上扩散得快，反之则慢。
因而各种色素可以在滤纸上分离。
20．下列对植物有效成分的提取方法叙述中正确的是(多选)()A．用萃取法提取胡萝卜素B．用纸层析法鉴定提取的胡萝卜素粗品C．用水蒸气蒸馏法提取橘皮精油D．用压榨法提取玫瑰精油答案：AB二、非选择题(本题共4小题，满分50分)21．(12分)下面是提取橘皮精油的实验流程示意图，回答下列问题：石灰水浸泡→漂洗→压榨→过滤→静置→再次过滤→橘皮油(1)分析提取橘皮精油采用压榨法的原因是________________________________________________________________________ ________________________________________________________________________。
(2)新鲜的橘皮中含有大量的__________、__________和__________，如果直接压榨，出油率较低。
为了提高出油率，需要橘皮干燥除去水分，然后用石灰水浸泡，分析用石灰水浸泡的目的是____________，使橘皮均匀浸泡的措施是____________。
(3)压榨是个机械加压过程，要求是______________________________。
为了使橘皮油易与水分离，还要分别加入________________________并调节pH至________。
(4)压榨液中含有橘皮精油和大量水分，还有一些杂质，需要进行两次过滤，第一次用__________过滤，第二次用________过滤，目的是________。
静置的要求是________，目的是________。
解析：本题考查橘皮精油的提取过程及实验分析能力。
橘皮精油的主要成分是柠檬烯，若用水蒸气蒸馏，会发生部分水解；若用水中蒸馏法，则原料易焦糊，故一般采用压榨法提取。
压榨前，需要将橘皮用石灰水浸泡，这样可以破坏细胞结构，降低压榨液的黏稠度，过滤时不会堵塞筛眼；还需要加入NaHCO3和Na2SO4，以促进油和水的分离。
对压榨液进行两次过滤；第一次用普通布袋过滤，第二次用滤纸过滤，还要结合静置，以除去固体物和残渣及少量水和果蜡。
答案：(1)橘皮精油的有效成分在用水蒸气蒸馏时，会发生部分水解；若用水中蒸馏法，则容易使原料焦糊(2)果蜡果胶水分破坏细胞结构，分解果胶，防止压榨时果皮滑脱，提高出油率将橘皮粉碎(3)既要将原料压紧，防止滑脱，又要将油分挤压出来相当于橘皮质量0.25%的NaHCO3和5%的Na2SO47～8(4)普通布袋滤纸除去杂质在5 ℃～10 ℃下，静置5 d～7 d使杂质沉淀22．(12分)许多植物芳香油的提取在原理和程序上是相同的，请结合玫瑰精油的提取，设计一个提取茉莉油的过程。
(1)原料选择：________________________________________________________________________。
(2)提取方法的选择及原因：________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________。
(3)实验流程(如下图)：茉莉花＋水→蒸馏器→A→B→油水混合物→C→直接精油→加D→过滤→茉莉油①向蒸馏器中加入原料时，茉莉花与清水的质量比大约为________。