期末练习01
:2020-2021学年下学期期末测试卷01(河南)

学易金卷2020-2021学年下学期期末测试卷01(河南)一,听力理解。
(略)二,阅读理解(20小题,每小题2分,共40分)阅读下面四篇语言材料,然后按要求做题。
AWelcome to Green LibraryOpen from 8:00am-4:30pm every day. The library card is free. You can borrow two books,three CDs and five videos as you want at a time-three weeks for根据材料内容选择最佳答案。
()21.Green Library isn’t open at_____.A.9:00 amB.11:00 amC.4:00 pmD.5:00 pm( ) 22.People can borrow ____ books at a time.A. twoB. threeC. fourD. five( )23.In Green Library, people can____.A. read newspaperB.watch videosC.listen to CDsD.buy a librarycard( )24.There are no_____in Green Library.A.picture booksB.magazinesC.music videosD.movie videos( )25.Which of the following is NOT true?A.Green Library is open from 8:00am to 4:30pm from Monday to Friday.B.Children can read picture books in Green Library.C.People can’t take newspaper or magazines out of Green Library.D.You need to pay$2 if you borrow a video for two weeks.BDuring the summer vacation, some boys came to a tall tree. They wanted to play a game to see who could climb to the top(顶端)of the tree first. Their mothers sat there, looking at the children.David was one of the boys. He was young and short. No one thought hewould win(赢)the game. When the game started, all of the boys tried to climb as high as they could. They all made it halfway(中途)up the tree before David got to the top of the tree first in the end.His mother was surprised to see it. She asked,“David, how did you get to the top so quickly?”David said,"The other boys kept looking down as they climbed. When they learned how high they were, they got scared and were afraid of falling down. But I only looked up. When I saw how close(接近)I was, I kept climbing.”It’s true in life that if we keep moving forward(前进)without looking back, we will get close to our dreams.根据材料选择最佳答案。
海淀区2023-2024学年第一学期期末练习九年级语文试题答案

海淀区九年级第一学期期末语文试卷答案及评分参考2024. 01一、基础·运用(共14分)1.答案:B(2分)2.答案:(1)②(2)④(2分。
各1分)3.答案:C(2分)4.答案:D(2分)5.答案:(1)C(2分)(2)修改:亚运会杭州开幕式不仅是一场别开生面的视听盛宴,更是一次惊艳世界的科技大荟萃。
(2分。
一处1分)6.答案示例:开幕式展示了我国科技创新方面的丰硕成果,它们见证了祖国的飞速发展,每一个华夏儿女都感到无比自豪。
(2分。
内容1分,词语1分)二、古诗文阅读(共17分)(一)(共4分)7.答案:风正一帆悬(1分。
有错该空不得分)8. 答案:安得广厦千万间(1分。
有错该空不得分)9. 答案:①蒙络摇缀②参差披拂(共2分。
共2空,每空1分。
有错该空不得分)(二)(共6分)10.答案:①观②所见之景(2分。
每空1分)11.答案示例:曹诗以想象的笔法,描绘出大海吞吐日月星辰的宏大景象,抒发了诗人渴望一统天下、建功立业的豪壮情怀。
王诗描绘了一幅边塞风景图:青海湖乌云密布,连绵雪山一片黯淡,边塞孤城与玉门雄关千里遥望。
景象壮阔苍凉,侧面表现了战士们不畏戍边生活的艰苦孤寂、甘愿保家卫国的豪情壮志。
(4分。
景象2分,情怀2分。
意思对即可)第1页(共4页)(三)(共7分)12.答案:D(2分)13.答案:C(2分)14.答案要点:为学方面:虚心学习(或:善于取长补短),以学习为乐;育人方面:有教无类,因材施教。
(4分。
为学2分,育人2分。
一点1分,意思对即可)三、名著阅读(共5分)15.答案示例1:林冲因大雪到山神庙暂住,听见了陆谦等人设计要烧死自己,陷害自己的实情。
面对这一生死关口,他忍无可忍,提枪杀死三人,逃离草料场,后来投奔梁山。
林冲一反过去的安分守己、隐忍求全而变得果敢刚烈。
答案示例2:保尔在面对瘫痪失明这一人生关口时,克服肉体和精神的折磨,用收音机忘我学习,最后决定选择文学创作之路,开始写作小说《暴风雨所诞生的》。
期末专题复习完形填空练习一

women and children. Many children like to play with model trains. With the model trains, they can build their own rails and ___20___ the wonderful world of trains.11.A.carry B.make C.show D.leave12.A.help B.expensive C.fast D.empty13.A.through B.among C.during D.above14.A.full B.dirty C.free D.busy15.A.sea B.farm C.ground D.garden16.A.water B.air C.forests D.mountains17.A.mend B.watch C.reach D.build18.A.cook B.eat C.find D.pick19.A.useful B.polite C.bad D.lucky20.A.hate B.are afraid of C.get on well with D.enjoy练习03The school music club is open at 4:00 p.m. Helena wants to ___21___ to the club, but she doesn’t want to go there alone. She wants to ask her friends to go to the ___22___ with her.Helena calls her friends, but they are very ___23___ now. What are they doing at this time? Mike is doing ___24___ homework in the classroom. It usually ___25___ him two hours to finish it. Paul is writing ___26___ email to his pen friend Gina, a(n) ___27___ girl from Australia. She usually gets first in tests. He is telling her ___28___ his school life. Lily likes music very much. ___29___! She is dancing with some of her classmates in the music room. They will have a___30___ contest next week. Alice is at home with her family. Her parents are ___31___ in the kitchen. Kate is helping her ___32___ with his English. Kate’s brother ___33___ does well in English tests. Jay is playing baseball with his sister. He likes playing baseball ___34___ . Helena is not happy ___35___ no one can go to the club with her.21.A.arrive B.join C.stop D.go22.A.show B.zoo C.club D.shop23.A.true B.busy C.beautiful D.lazy24.A.your B.my C.her D.his25.A.brings B.takes C.leaves D.feels26.A.a B.an C.the D./27.A.afraid B.important C.terrible D.smart28.A.for B.of C.about D.with29.A.Look B.See C.Sound D.Listen30.A.drawing B.singing C.dancing D.swimming31.A.making soup B.washing clothes C.taking a showerD.taking a walk 32.A.brother B.sister C.cousin D.parents33.A.always B.usually C.sometimes D.never34.A.reallyB.best C.well D.quickly35.A.and B.but C.or D.because练习04Dear Wu Bin,I’m getting really excited about your visit. I must say, life is really different here. English people do some very ___36___ things!In the UK, people drive on the ___37___. You have to remember this when you cross the road. In China, if you want a taxi, you can just put your ___38___ out. Well, here you must go to a special place and wait in line.___39___ is difficult on Sundays. The shops close early. It seems like you can’t buy___40___ after six o’clock in the evening.You asked about ___41___ in an English house. The most difficult thing is using a knife and fork. But you can use chopsticks if you want. I live with Mr and Mrs Johnson. They have a cat, a dog and two rabbits. Well, can you imagine (想象), the other day, all four ___42___ were running around in the kitchen?___43___ thing, people drink cold water all the day and they drink tea with milk! They don’t have ___44___ every meal like us Chinese and they put carpet (地毯) all over their houses.Life here is strange, ____45____ I’m enjoying it.Lots of love and see you soon.Yours, Li Ming36.A.small B.strange C.important D.helpful37.A.right B.left C.back D.front39.A.Shopping B.Playing C.Shop D.Play40.A.everythingB.anything C.nothing D.something41.A.visiting B.eating C.living D.studying42.A.cats B.dogs C.rabbits D.animals43.A.Another B.Other C.Others D.The other44.A.bread B.cake C.milk D.rice45.A.because B.if C.but D.so练习05The kite that got awayMum and Dad gave Ben a beautiful kite for his birthday. It was pink and orange, ___46___ a red tail. It had a long string (线) that around and around a white plastic ring. “Let’s go down to___47___ and fly it!” said Dad. “It’s a good day for flying a kite.”They ___48___ the kite down to the beach. “We will show you ___49___ .” Mum said to Ben. “Put your ___50___ in the plastic ring. Then the kite won’t blow away from you.” Ben put his arm in the ring and held onto the string. Dad held the kite up, ___51___ Ben started to run down the beach. Then Dad let go of the kite. Then kite went away up into the air. They all watched it. Ben was very pleased with ___52___ .“That’s looks like fun!” said Dad. “You can have turn now,” said Ben, as he pulled a kite down. “But please be ___53___ with it.” “OK,” said Dad, and he ran along the beach with the kite. Dad was ___54___ at the kite. He was not watching where he was going. Dad tripped (绊倒), and the string slipped (滑) out of his hand. The kite went flying away in the wind.“Oh, no!” cried Ben. “My new kite is gone! I will ____55____ get it back.” But when the kite fell down into the sea, Dad ran down the beach and right into the waves. He got the kite just in time. 46.A.of B.with C.has D.have47.A.the beach B.the sea C.the water D.the playground48.A.brought B.carried C.took D.fell49.A.how to do B.what to do C.when to do D.where to do50.A.foot B.leg C.hand D.arm51.A.and B.but C.or D.so53.A.happy B.kind C.careful D.excited54.A.looking around B.looking for C.looking down D.looking up 55.A.always B.often C.seldom D.Never练习06My name is Alice .I am an English girl. I am 12 years old .There are five__56__in my family. My father is a __57__. He can plays the drums and the piano very __58__ . My mother is a teacher.She __59__ English in a middle school. She is good with her students and they all like__60__very much.I am a middle school student.We have many __61__ in our school,I like the swimming club,the art club and the chess club.I am good __62__ playing chess, so I want to__63__ the chess club.My brother is fifteen.He is an active boy. He likes playing sports.He can play basketball __64__volleyball.He wants to join the sports club in his school. He thinks he can __65__friends there. My sister is only five. She likes to draw and play games with me . She is very lovely. I like her very much.56.A.men B.women C.children D.people57.A.. musician B.uncle C.student D.classmate58.A.good B.well C.nice D.fine59.A.says B.speaks C.teaches D.talks60.A.she B.her C.he D.him61.A.centers B.shows C.clubs D.sports62.A.at B.with C.to D.for63.A.ask B.tell C.call D.join64.A.or B.but C.and D.so65.A.make B.play C.do D.need练习07When I had something difficult, I used to ask my mother _____66_____ help. But she always said, “Do it _____67_____, dear.” I was not _____68_____ at all. I thought she was the_____69_____ mother in the world!For example, one day, I decided to _____70_____ some friends to my home. My bedroom was not _____71_____ order. Books were everywhere. And I didn’t make the bed. I asked my_____72_____ to help me clean it, _____73_____ she still said, “Do it yourself, girl.” Because of my “lazy mother”, I have to _____74_____ my clothes and _____75_____ my room. I have to help my parents _____76_____. I even have to go to the dentist by myself. It is really hard for me to do everything _____77_____, but I have learned _____78_____. As time goes by, I understand my mother. She makes me clever and diligent(勤奋的). _____79_____ a great mother!A _____80_____ mother is worth one hundred teachers! Don’t you think so?66.A.for B.on C.with D.to67.A.myself B.me C.yourself D.you68.A.old B.glad C.thin D.sorry69.A.tallest B.most foolish C.laziest D.cleverest70.A.leave B.invite C.visit D.host71.A.on B.at C.in D.for72.A.mother B.fatherC.brother D.parents73.A.or B.when C.but D.so74.A.wash B.lead C.knock D.do75.A.do B.clean C.make D.wash76.A.do housework B.go swimming C.go camping D.do washing 77.A.good B.right C.well D.little78.A.on show B.by mistake C.a lot D.by accident79.A.Which B.What C.Who D.When80.A.young B.good C.happy D.lazy练习08Most of us like to know where we are and where we're going. It can feel strange to be___81___. The words "being lost" make us think of a dark and scary wood or street, ___82___ that's not always the case.Once we were on holiday in Venice. My dad planned to go out to take photos early the next morning. Mum wasn't ___83___ , but I would go with him, only because he ___84___ I could have the biggest ever bowl of Italian ice cream if I did. ___85___ else would I get up so early?So at 5 a.m. the next day we left the hotel and started walking in the ___86___ streets. When the sun came up, Dad started taking photos and I ___87___ him, down small streets and over littlebridges.After about an hour, I turned to Dad and asked, "Where are we?" He said, "I have no idea. "I immediately felt a bit ___88___, but Dad just laughed and said, "We're lost!", I told him to___89___ his map or phone. He said, "I only brought the ____90____. Come on, let’s get more lost!" He laughed again.His laughter ____91____ me and made me feel safe. Slowly people were appearing on the streets—shops and cafes began to open.I began to ____92____ that we were lost, and just started watching and taking in everything that was happening around me.____93____, after about four hours of walking around, we were back. Mum asked anxiously(担心地), "Where have you been?" I said with a big ____94____, "We got lost!" These days we ____95____ get lost with so many things around us—maps, GPS, apps on our phones, and so on. But Dad showed me that being lost can sometimes simply be something to enjoy.81.A.alone B.lost C.afraidD.silent82.A.or B.so C.but D.and83.A.worried B.touched C.satisfied D.interested84.A.expected B.realized C.remembered D.promised85.A.How B.Why C.When D.Where86.A.modern B.noisy C.empty D.bright87.A.left B.invited C.guided D.followed88.A.scared B.hurt C.hungry D.tired89.A.pick up B.think of C.take out D.pay for90.A.map B.bowl C.phone D.camera91.A.savedB.relaxed C.stopped D.warned92.A.doubt B.forget C.imagine D.regret93.A.Finally B.Recently C.Certainly D.Suddenly94.A.surprise B.shame C.smile D.fear95.A.hardly B.often C.nearly D.always参考答案1--10AADDC BBAAD 11--20ACADC ADBAD 21--30DCBDB BDCAC 31--40AADBD BBBAB 41--50BDADC BABBD 51--60ABCDD DABCB 61--70CADCA ACBCB 71--80CACAB ACCBB 81--90BCDDB CDACD 91--95BBACA。
2022-2023学年第一学期七年级历史期末考前必刷卷(01)

2022-2023学年第一学期七年级历史期末考前必刷卷(01)(考试时间:60分钟试卷满分:100分)注意事项:1.本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分。
答卷前,考生务必将自己的姓名、准考证号填写在答题卡上。
2.回答第Ⅰ卷时,选出每小题答案后,用2B铅笔把答题卡上对应题目的答案标号涂黑。
如需改动,用橡皮擦干净后,再选涂其他答案标号。
写在本试卷上无效。
3.回答第Ⅱ卷时,将答案写在答题卡上。
写在本试卷上无效。
4.测试范围:七年级上册。
5.考试结束后,将本试卷和答题卡一并交回。
第Ⅰ卷(50分)一、选择题:本题共20小题,每小题2.5分,共50分。
在每小题给出的四个选项中,只有一项符合题目要求。
1.(2022·安徽芜湖·七年级期中)央视《探索·发现》栏目播放了专题片《我们的祖先是怎样生活的》,从专题片中我们可以看到最早掌握人工取火的是()A.元谋人B.北京人C.河姆渡人D.山顶洞人2.(2022·山东·德州市第五中学七年级期中)“中华文明的起源是一个过程,以农业生产为上限。
”有助于印证和推测“上限”的是()A.北京人的发现B.半坡遗址的发掘C.青铜工艺的成就D.铁农具和牛耕3.(2022·江苏·姜堰市运粮初级中学九年级阶段练习)五岭广场的神农雕像是郴州人民为纪念传说中炎帝的丰功伟绩而树立的。
下列属于炎帝功绩的是()A.发明算盘B.制造船只C.教民耕种D.创造文字4.(2022·安徽芜湖·七年级期中)掌握历史朝代顺序,有助于历史的学习。
图中①处应填()A.春秋B.战国C.西周D.秦朝5.(2022·山东济南·七年级期中)“武王克商、尤其周公东征以后:周王朝进行了相当规模的封邦建国活动。
荀子说,周公当政时曾封建71国,其中与周王同姓(姬)者就有53国。
”与材料中“封邦建国”相适应的制度是()A.禅让制B.奴隶制C.分封制D.私有制6.(2022·安徽芜湖·七年级期中)《周礼》记载“六乡”平民按“五人为伍”组成军事编制,与出土甲骨文上所见相符。
【七上历史期中期末复习】期末复习题型专练01 选择题(50题)(解析版)

班级姓名学号题型专练01 选择题(50题)(范围:人教部编版第13--20课)1.(2022·安徽蚌埠·七年级阶段练习)东汉初年,刘秀整顿吏治,合并郡县;释放奴婢,减轻农民的负担,减轻刑罚;允许北方少数民族内迁,缓和民族矛盾。
社会出现了比较安定的局面,经济得到恢复和发展。
历史上称为()A.“光武中兴”B.“文景之治”C.尊崇儒术D.大一统【答案】A【详解】根据材料及所学可知,光武帝为了巩固统治,采取了一系列稳定社会局面的措施。
到光武帝统治后期,社会出现了比较安定的局面,经济得到恢复和发展,史称“光武中兴”,A项正确;“文景之治”发生在西汉初年,排除B项;汉武帝尊崇儒术,排除C项;材料体现的不是大一统,排除D项。
故选A项。
2.(2022·安徽蚌埠·七年级阶段练习)西汉和东汉时期均出现过盛世局面,这两个时期政局稳定,经济发展,人民生活安定。
这两个盛世局面出现原因的相同点是()A.都是为了勤俭治国而合并郡县 B.都主张“以德化民''而释放奴婢C.都减轻农民赋税 D.都允许少数民族内迁【答案】C【详解】根据所学知识可知,西汉和东汉时期均出现过盛世局面,分别是“文景之治”和“光武中兴”,这盛世局面出现的共同原因是减轻农民的负担,轻徭薄赋,减轻刑法,C 项正确;合并郡县没有出现在西汉“文景之治”时期,排除A项;主张“以德化民”没有出现在“光武中兴”时期,排除B项;允许少数民族内迁没有出现在西汉“文景之治”时期,排除D项。
故选C项。
3.(2022·陕西西安·七年级期末)如表反映的是东汉光武帝统治时期的户籍人口情况。
通过该表,可以得出光武帝统治时期()A.社会安定,经济发展C.政治腐败,时局动荡D.合并郡县,裁减官员【答案】A【详解】根据题干图表,户籍人口得到了非常大的增加,光武帝在25年称帝,定都洛阳,为了巩固统治,多次下令释放奴婢,减轻农民负担,减轻刑法;又允许北方少数民族内迁,缓和民族矛盾。
北京市海淀区2023-2024学年高三上学期期末考试 英语 Word版含答案

北京市海淀区2023-2024学年第一学期期末练习高三英语2024. 01 本试卷共10页, 100分。
考试时长90分钟。
考生务必将答案答在答题纸上, 在试卷上作答无效。
考试结束后, 将本试卷和答题纸一并交回。
第一部分知识运用(共两节, 30分)第一节(共10小题;每小题1. 5分, 共15分)阅读下面短文, 掌握其大意, 从每题所给的A、B、C、D四个选项中, 选出最佳选项, 并在答题纸上将该项涂黑。
Back in 2008, I was teaching Concepts of Fitness in a high school. At the end of one class, I chatted with David Gale, a senior high jumper, about how to improve his 1 and how motivation played an important role in one's achievement. He, out of the blue, asked me what would happen if he broke the school record.Not 2 of his passion and determination, I paused for a moment, but then promised that I would paint his name on the wall of our classroom. He was very excited and suggested that I go purchase the paint.Nothing more was mentioned about the 3 until two weeks later, the young warrior ran into the classroom with a huge smile on his face. "I did it! I broke the record!" he shouted as I was still gathering information to 4 what I had promised him. I joined in with the high-fives and fist bumps 5 him.The next day, it was done! G-A-L-E. Huge blue letters with white edges, the school colors. I could see his excitement even surpassed the success itself. Actually, his coach said the wall was part of the 6 to break the record.What happened next was totally amazing. Many students, even from other classes, saw the name on the wall and 7 how they, too, could be considered for the wall. With the enormous 8 , I had to add more names to the wall, and more than 100 names appeared there in the following 10 years.Many folks admitted they would not have 9 what they did if the wall hadn't been part of the reward. More importantly, all those who stepped far beyond their comfort zone helped set the 10 higher.1. A. health B. performance C. talent D. knowledge2. A. proud B. afraid C. certain D. fond3. A. promise B. record C. suggestion D. news4. A. describe B. recall C. explain D. picture5. A. encouraging B. admiring C. congratulating D. greeting6. A. excitement B. confidence C. creativity D. motivation7. A. inquired B. expected C. insisted D. doubted8. A. effort B. experience C. stress D. response9. A. adjusted B. achieved C. examined D. displayed10. A. pace B. stage C. bar D. tone第二节(共10小题;每小题1. 5分, 共15分)阅读下列短文, 根据短文内容填空。
北京市丰台区2023年高三上学期期末数学含答案
丰台区2022~2023学年度第一学期期末练习高 三 数 学 2023.01第一部分 (选择题40分)一、选择题共10小题,每小题4分,共40分。
在每小题列出的四个选项中,选出符合题目要求的一项。
1.已知全集U =R ,集合{|10}A x x =−<≤,则UA =(A )(1)(0+)−∞−∞,,(B )(1](0+)−∞−∞,,(C )(1)[0+)−∞−∞,, (D )(1][0+)−∞−∞,, 2.已知复数i(1i)z =+,则在复平面内,复数z 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 3.在42()x x−的展开式中,常数项为(A )-24 (B )24 (C )-48 (D )484.已知向量(2)λ=,a ,(1)λ=,b,则“λ=//a b ”的 (A )充分而不必要条件 (B )必要而不充分条件 (C )充分必要条件(D )既不充分也不必要条件5.下列函数是偶函数,且在区间(01),上单调递增的是 (A )21y x =− (B )tan y x = (C )cos y x x = (D )e e x x y −=+ 6. 已知抛物线2:2C y px =(0)p >过点A (1,焦点为F .若点(0)B m ,满足AF BF =,则m 的值为(A )2 (B1 (C )2或1− (D1或1本次练习所有答题均在答题卡上完成。
选择题必须使用小题对应选项涂黑用标准黑色字迹签字笔书写要求字体工整、字迹清楚。
超出答题区域书写的答案无效,在练作答时长7.已知函数2()3log 2(1)f x x x =−−,则不等式()0f x >的解集是 (A )(14),(B )(1)(4)−∞+∞,,(C )(01)(4)+∞,,(D )(04),8.设双曲线2222:1(00)x y C a b a b−=>>,的右焦点为F ,过点F 的直线l 平行于双曲线C 的一条渐近线,与另一条渐近线交于点P ,与双曲线C 交于点Q ,若Q 为线段FP 的中点,则双曲线C 的离心率为(A )12(B )2 (C (D )59.如图,在四棱锥P ABCD −中,底面ABCD 是边长为3的正方形,PD ⊥平面ABCD ,点M 为底面上的动点,M 到 PD 的距离记为d ,若MC =2d ,则点M 在底面正方形内 的轨迹的长度为(A )2 (B )23π(C (D )34π10.市场占有率指在一定时期内,企业所生产的产品在其市场的销售量(或销售额)占同类产品销售量(或销售额)的比重. 一般来说,市场占有率会随着市场的顾客流动而发生变化,如果市场的顾客流动趋向长期稳定,那么经过一段时期以后的市场占有率将会出现稳定的平衡状态(即顾客的流动,不会影响市场占有率),此时的市场占有率称为“稳定市场占有率”. 有A ,B ,C 三个企业都生产某产品,2022年第一季度它们的市场占有率分别为:40%,30%,30%.经调查,2022年第二季度 A ,B ,C 三个企业之间的市场占有率转移情况如下图所示:若该产品以后每个季度的市场占有率转移情况均与2022年第二季度相同,则当市场出现稳定的平衡状态,最终达到“稳定市场占有率”时,A 企业该产品的“稳定市场占有率”为(A )45% (B )48% (C )50% (D )52%第二部分 (非选择题110分)二、填空题共5小题,每小题5分,共25分。
人教版 英语七年级下册期末考试 试卷01(解析版)
英语七年级下册期末考试试卷II. 知识运用第一节语法填空从A、B、C 三个选项中选择最佳答案填空。
1.—Did you watch the boat race this Dragon Boat Festival?—Yes.exciting race!A. What aB. HowC. What an【答案】C【解析】【详解】句意:——你看这届龙舟节的龙舟比赛了吗?——看了,多么激动人心的比赛呀!考查感叹句。
感叹句固定句式为“What+a/an+可数名词短语(+主谓)”或“How+形容词/副词(+主谓)”。
此句的关键词为exciting race,单数名词race由形容词exciting修饰,中心词是名词,exciting以元音音素开头。
故选C。
2.—is it from Changsha Railway Station to the Window of the World?—It is a 45 minutes' ride by bus.A. How longB. How farC. How much【答案】B【解析】【详解】句意:——从长沙火车站到世界之窗多远?——乘公交车45分钟的路程。
考查特殊疑问词。
How long多长时间;How far多远,提问距离;How much多少,提问不可数名词数量或者价格。
根据题干“It is a 45 minutes' ride by bus.”可知问的是路程,故选B。
3.Do you know the teachercurly hair?A. ofB. inC. with【答案】C【解析】【详解】句意:你认识那个卷发的老师吗?考查介词。
of“……的”;in“在……里面”;with“带有”。
此处with curly hair做后置定语,修饰名词the teacher,表示“那个卷发的老师”。
故选C。
4.There are more than 100 teachers in our school, and most of them are.A. woman teachersB. women teachersC. women teacher【答案】B【解析】【详解】句意:我们学校有100多个老师,其中大部分是女老师。
七年级下册数学期末考复习专题01平方根及立方根(知识点串讲)【含答案】
专题01 平方根及立方根知识框架重难突破一. 平方根1.平方根(1)平方根的定义:如果一个数的平方等于a,这个数就叫做a的平方根,也叫做a的二次方根.备注:一个正数有两个平方根,这两个平方根互为相反数,零的平方根是零,负数没有平方根.(2)求一个数a的平方根的运算,叫做开平方.一个正数a的正的平方根表示为“”,负的平方根表示为“-”.(3)平方根的性质:正数a有两个平方根,它们互为相反数;0的平方根是0;负数没有平方根.2. 算术平方根(1)算术平方根的概念:一般地,如果一个正数x的平方等于a,即x2=a,那么这个正数x叫做a的算术平方根.记为.(2)非负数a的算术平方根有双重非负性:①被开方数a是非负数;②算术平方根本身是非负数.a≥0,a≥0.备注:20 ||00a aa a aa a >⎧⎪===⎨⎪-<⎩(3)利用算术平方根的非负性求值的问题,主要是根据被开方数是非负数,开方的结果也是非负数列出不等式求解.非负数之和等于0时,各项都等于0,利用此性质列方程解决求值问题.例1.(·安徽初一期中)下列说法正确的是( )A.-5是25的平方根B.25的平方根是5C.-5是(-5)2的算术平方根D.±5是(-5)2的算术平方根练习1.(安徽四十二中中铁国际城校区初一期中)计算16的平方根为()A.4±B.2±C.4 D.2±练习2.(·辽宁初二期中)9的平方根是( )A.3B.81C.3±D.81±例2.(2017·阜阳市第九中学初一期中)14的算术平方根是( )A.12±B.12-C.12D.116练习1.(六安市裕安中学初一期中)16的算术平方根是_____.练习2.(·北京初二期中)16的算术平方根是。
例3.(·安徽初一期中)81的平方根是_________;364的算术平方根是_________.练习1.(·安徽初一月考)若2a-1和5-a是一个正数m的两个平方根,则m=_______练习2.(郑州市初二期中)已知2m+2的平方根是±4,3m+n+1的平方根是±5,求m+2n的值.二. 立方根1.立方根的定义:如果一个数的立方等于a,那么这个数叫做a的立方根或三次方根.这就是说,如果3x a=,那么x叫做a的立方根.记作:.2.立方根的性质:正数的立方根是正数,0的立方根是0,负数的立方根是负数.即任意数都有立方根.3.求一个数a的立方根的运算叫开立方,其中a叫做被开方数.备注:①符号中的根指数“3”不能省略;②对于立方根,被开方数没有限制,正数、零、负数都有唯一一个立方根.例1.(·安徽初一期中)64的立方根是()A .4B .±4C .8D .±8练习1.(·淮南初一期中)下列说法中,不正确的是( ) A .8的立方根是2 B .﹣8的立方根是﹣2 C .0的立方根是0D .64的立方根是±4练习2.(·北京市昌平区阳坊中学初二期中)8-的立方根是__________.例2.(合肥市第四十五中学初一期中)已知a +3和2a ﹣15是某正数的两个平方根,b 的立方根是﹣2,c 算术平方根是其本身,求2a +b ﹣3c 的值.练习1.(·淮南初一期中)已知5a 2+的立方根是3,3a b 1+-的算术平方根是4,c (1) 求a ,b ,c 的值;(2)求3a b c -+的平方根.练习2.(郑州市初二期中)已知2m+2的平方根是±4,3m+n+1的平方根是±5,求m+2n 的值.例3.(安徽初一期中)求下列各式中x 的值:(1)2x 2=4; (2)64x 3 + 27=0专题01 平方根及立方根知识框架重难突破一. 平方根1.平方根(1)平方根的定义:如果一个数的平方等于a,这个数就叫做a的平方根,也叫做a的二次方根.备注:一个正数有两个平方根,这两个平方根互为相反数,零的平方根是零,负数没有平方根.(2)求一个数a的平方根的运算,叫做开平方.一个正数a的正的平方根表示为“”,负的平方根表示为“-”.(3)平方根的性质:正数a有两个平方根,它们互为相反数;0的平方根是0;负数没有平方根.2. 算术平方根(1)算术平方根的概念:一般地,如果一个正数x的平方等于a,即x2=a,那么这个正数x叫做a的算术平方根.记为.(2)非负数a的算术平方根有双重非负性:①被开方数a是非负数;②算术平方根本身是非负数.a≥0,a≥0.备注:||00a aa aa a>⎧⎪===⎨⎪-<⎩(3)利用算术平方根的非负性求值的问题,主要是根据被开方数是非负数,开方的结果也是非负数列出不等式求解.非负数之和等于0时,各项都等于0,利用此性质列方程解决求值问题.例1.(·安徽初一期中)下列说法正确的是( )A.-5是25的平方根B.25的平方根是5C.-5是(-5)2的算术平方根D.±5是(-5)2的算术平方根A试题分析:A、B、C、D都可以根据平方根和算术平方根的定义判断即可.解:A、﹣5是25的平方根,故选项正确;B、25的平方根是±5,故选项错误;C、5是(﹣5)2的算术平方根,﹣5是(﹣5)2的平方根,故选项错误;D、5是(﹣5)2的算术平方根,﹣5是(﹣5)2的平方根,故选项错误.故选A.练习1的平方根为()A.4±B.2±C.4 D.B,又∵(±2)2=4,∴4的平方根是±2±2,故选B.练习2.(·辽宁初二期中)9的平方根是( )A.3B.81C.3±D.81±C解:9的平方根是3±.故选:C.例2.(2017·阜阳市第九中学初一期中)14的算术平方根是( )A .12± B .12-C .12D .116C本题解析: ∵211()24=, ∴14的算术平方根为12+,故选C.练习1 _____. 2,4的算术平方根是2,2.练习2.(·北京初二期中)16的算术平方根是 。
(人教版部编版)初中语文九上 期末专项复习01—字音·字形(含答案)
期末专项复习—字音·字形一、根据拼音写出汉字(每空0.5分,共20分)1.pīng婷()冠miǎn()旁wù()强guō不舍()2.xiè渎()pián进()gōu偻()大发雷tíng()3.承chóu()驰chěng()fà琅()自吹自léi()4.晨xī()zhēn言()gān尬()jiǎo揉造作()5.广mào()困è()huī下()附yōng风雅()6.轻qù()tān塌()jì祀()niǔ捏作态()7.è然()chī笑()恣suī()自惭形huì()8.bǐ谷()寒jìn()zāo蹋()形xiāo骨立()9.lán褛()牡lì()wū蔑()jiū占鹊巢()10.dùn词()huàn养()qiáo夫()俯shí即是()二、根据意思写出成语(每小题1分,共20分)1.形容雪后天晴,红日和白雪交相辉映的壮丽景色。
________________2.不顾全篇文章的内容,而只根据需要,孤立地截取其中一段或一句的意思。
________________3.眼睛看见复杂纷繁的东西而感到迷乱。
________________4.形容建筑物宏伟美丽。
________________5.伟大的功绩。
________________6.形容文雅、有礼貌的样子。
________________7.指常做某种事情或常见某种现象,成了习惯,就觉得很平常了。
________________8.指潮水退下去,水底的石头就露出来。
原指一种自然景象,后多比喻事情终于真相大白。
________________9.指相互帮助,互相补充,更能显出各自的长处。
________________10.随着时间的推移而不断增长。
________________11.形容对待事情非常严肃认真。
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一、填空
1)1~20中的奇数有( ),合数有( ). 2)8
31的分数单位是( ),它有( )个这样的分数单位,再添上( )个分数单位,它就是最小的质数
3)a 是一个非0自然数,它最小因数是( ),最大因数是( ),最小倍数是( ).
4)24和36的最大公因数是( ),6和9的最小公倍数是( )。
5)从0.2.4.9中任选3个数字组成三位数,最大的三位数是( ),最小的三位数是( ),同时是2、3、5的倍数的有( )和( )。
6)把3米长的绳子平均分成8段,每段占全长的)()(
,每段长( )。
7)李叔叔加工10个零件用3小时,平均每个零件用( )小时,平均每小时加工( )个零件.
8)比大小
)0.66 (32 87) (157 65) (43 5
13) (532 9) 一个三角形底扩大6倍,高不变,那么三角形面积( );三角形底扩大6倍,高扩大2倍,那么三角形面积( );若三角形底扩大6倍,高缩小3倍,三角形面积( )。
10一个空袋子中,放入5个白球后,再放入( )个黑球,此时摸到白球可能性恰好是3
1。
这时摸到红球的可能性是( )。
11.一个梯形的面积是35cm 2,它的底是3cm,高是7cm ,则梯形的下底是( )cm 。
12.有面值5角、1角的硬币共12枚,总金额是2元.有( )枚5角硬币,有( )枚1角硬币.
二、判断:
1)面积相等的两个三角形一定能拼成一个平行四边形。
( )
2)个位上是0的自然数既是2的倍数,又是5的倍数. ( )
3)分数的分子和分母同时乘一个相同的数,分数的大小不变。
( )
4)假分数大于1,真分数小于1。
( )
5)最简分数就是分子和分母没有公因数。
( )
二、选择
1)一个数的最大因数与这个数的最小倍数( ). A.相等 B.不相等 C.有时相等 D.无法确定
2)下面各数,一定是2的倍数的数是( ) A.□5 B.□6 C. 5□ D. 6□
A.4
B.3
C. 2
D.1
4)小明从家骑车到书店买了一本英语书花了10分钟,然后回家
,在路上他遇到了一位同学耽误了4分钟,最后他回了家下面比较明确的反应了小明行为的是选项( )
3)下面的图形中,有
( )个是由两个相同的 拼成的。
期末练习卷
姓名_______学号___ 成绩______
三、计算。
61--83-1 )91--31(-95 139--83-134 7
5-119--75 )61-51(-109
四、应用题
1.小红看一本书,第一天看了全书的5
2,第二天看了全书的一半,剩下的的第三天看完。
第一天比第二天少看全书的几分之几?第三天看了全书的的几分之几?
2.挖一条长440m 的水渠,甲、乙两队同时从两头开始挖,甲队每天挖24.5m,乙队每天挖30.5m 。
经过多少天能完成挖水渠任务?
3.用边长是40cm 的正方形方砖铺一条长20m,宽16m 的长方形小路,至少要多少块这样的方砖?若每块砖15元,铺这条路需花几元钱?
5 5 4.求阴影面积(单位:cm)。