2019-2020扬州梅岭集团七年级初一上学期语文数学英语三科期末真题及答案.zip

1 扬州市梅岭中学教育集团 2019-2020 学年第一学期期末考试试卷扬州市梅岭中学教育集团 2019-2020 学年第一学期期末考试试卷 初一年级数学学科初一年级数学学科 （时间：120 分钟；命题人： 审核人： ） 注意事项:注意事项: 1 本试卷共 6 页，包含选择题（第 1 题第 8 题，共 8 题） 、非选择题（第 9 题第 28 题， 共 20 题）两部分本卷满分 150 分，考试时间为 120 分钟 2 答题前，考生务必将本人的姓名、准考证号填写在答题卡相应的位置上 3 所有的试题都必须在专用的“答题卡”上作答，选择题用 2B 铅笔作答、非选择题在指 定位置用 0.5 毫米黑色水笔作答在试卷或草稿纸上答题无效 4 作图必须用 2B 铅笔作答，并请加黑加粗，描写清楚 一、选择题（选择题（本大题共有 8 小题，每小题 3 分，共 24 分在每小题所给出的四个选项中， 恰有一项是符合题目要求的，请将正确选项前的字母代号填涂在答题卡相应位置 上） 1身份证号码是 321011200708224522 的同学的生日是() A5 月 22 日B6 月 08 日C8 月 22 日D2 月 24 日 2在 3.14159，4，1.1010010001，4.2 1 ，13 2 中，无理数有() A1 个B2 个C3 个D4 个 3下列各组代数式中，是同类项的是() A5x 2y 与1 5 xyB8 3与 x3 C5ax 2与1 5 yx 2 D5x 2y 与1 5 yx 2 4已知某多面体的平面展开图如图所示，其中是棱锥的有() A1 个B2 个C3 个D4 个 5 “双十一”期间，某电器按成本价提高 30%后标价，再打 8 折（标价的 80%）销售，售价 为 2080 元，设该电器的成本价为 x 元，根据题意，下面所列方程正确的是() Ax(130%)80%2080Bx30%80%2080 C208030%80%xDx30%80%2080 6点 P 为直线外一点，点 A、B 在直线 l 上，若 PA=4cm，PB=5cm，则点 P 到直线 l 的距离 是() A4cmB小于 4cmC不大于 4cmD5cm 7用 4 个棱长为 1 的正方体搭成一个几何体模型，其主视图与左视图如图所示，则该立方 体的俯视图不可能是()1 教育网 2 8小聪按如图所示的程序输入一个正数 x，最后输出的结果为 853，则满足条件的 x 的不 同值最多有() A3 个B4 个C5 个D无数个 二、填空题填空题（本大题共有 10 小题，每小题 3 分，共 30 分不需写出解答过程，请把答案 直接填写在答题卡相应位置 上） 9单项式 2 3 a 2b 的系数是 10我国平均每平方千米的土地一年从太阳得到的能量，相当于燃烧 130000000 kg 的煤所 产生的能量把 130000000 kg 用科学记数法可表示为kg. 11已知关于 x 的方程 3x2m4 的解是 xm，则 m 12平方等于 36 的数与立方等于一 64 的数的和是 13扬州前一段时间天气变化无常，很多同学感冒生病。下图为我校某班级黑板报上的卫 生标语，在一个正方体的每个面上都有一个汉字，其表面展开图如图所示，那么在该 正方体中“毒”字对面的字是 14如图，点 B 在点 A 北偏东 40方向，点 C 在点 B 北偏西 50方向，BC10m，则点 C 到直线 AB 的距离为m （第 13 题图）（第 14 题图）（第 15 题图） 15如图，直线 AB，CD 相交于点 O，射线 OM 平分AOC，ONOM，若AOM=35，则CON 的度数为 16用火柴棒按如图所示方式搭图形，按照这种方式搭下去，搭第 2020 个图形需火柴棒的 根数是 17如图，点 C 是线段 AB 上一点，点 M、N、P 分别是线段 AC，BC，AB 的中点AC3cm， CP1cm，线段 PNcm （第 16 题图）（第 17 题图） 18为响应习总书记“绿水青山，就是金山银山”的号召，某校今年 3 月争取到一批植树 任务，领到一批树苗，按下列方法依次由各班领取：第一班领取全部的，第二班领 3 取 100 棵和余下的，第三班领取 200 棵和余下的，第四班领取 300 棵和余下的 ，最后树苗全部被领完，且各班领取的树苗相等，则树苗总棵数为 三、解答题解答题（本大题共有 10 小题，共 96 分请在答题卡指定区域 内作答，解答时应写出 必要的文字说明、证明过程或演算步骤） 19(本题满分 8 分)计算: (1)(2). 20(本题满分 8 分)解下列方程: (1)(2). 21 (本题满分 8 分)先化简， 再求值:， 其中、满 足. 22(本题满分 8 分)已知:，. （1）求; （2）若的值为 2，求的值. 23 (本题满分 10 分)小丽在水果店用 36 元买了苹果和梨共 6 千克， 已知苹果每千克 10 元， 梨每千克 4 元. （1）小丽买了苹果和梨各多少千克? （2）若苹果进价是每千克 8 元，梨每千克 3 元，问这次购买中水果店赚了多少钱? 24(本题满分 10 分)用“”规定一种新运算：对于任意有理数a和b， 规定a b=aabab 2 2 如：1 3=18331231 2 （1）求2 ) 1(的值； （2）若31 x=32，求x的值； 4 （3）若2mx， 1 3 4 nx （其中x为有理数） ，试比较 m、n 的大小 25(本题满分 10 分)图 1 所示的三棱柱，高为 8cm，底面是一个边长为 5cm的等边三角形 （1）这个三棱柱有条棱，有个面； （2）图 2 框中的图形是该三棱柱的一种表面展开图的一部分，请将它补全（一种即可 ） ； （3） 要将该三棱柱的表面沿某些棱剪开， 展开成一个平面图形， 至少需剪开条 棱，需剪开棱的棱长的和的最大值为cm 26(本题满分 10 分)2019 年元旦期间，某商场打出促销广告，如下表所示: 优惠 条件 一次性购物 不超过 200 元 一次性购物超过 200 元，但不超过 500 元 一次性购物超过 500 元 优惠 办法 没有优惠全部按九折优惠 其中 500 元仍按九折优惠， 超过 500 元部分按八折优惠 （1）用代数式表示(所填结果需化简 ) 设一次性购买的物品原价是元，当原价超过 200 元但不超过 500 元时，实际付 款为元;当原价超过 500 元时，实际付款为元; （2）若甲购物时一次性付款 490 元，则所购物品的原价是多少元? （3）若乙分两次购物，两次所购物品的原价之和为 1000 元(第二次所购物品的原价高于 第一次)，两次实际付款共 894 元，则乙两次购物时，所购物品的原价分别是多少元? 27 (本题满分 12 分)如图， 点 O 为直线 AB 上一点， 过点 O 作射线 OC， 使BOC135， 将一个含 45角的直角三角尺的一个顶点放在点 O 处，斜边 OM 与直线 AB 重合，另外 两条直角边都在直线 AB 的下方 5 （1） 将图 1 中的三角尺绕着点 O 逆时针旋转 90， 如图 2 所示， 此时BOM； 在图 2 中，OM 是否平分CON？请说明理由； （2）紧接着将图 2 中的三角板绕点 O 逆时针继续旋转到图 3 的位置所示，使得 ON 在 AOC 的内部，请探究：AOM 与CON 之间的数量关系，并说明理由； （3）将图 1 中的三角板绕点 O 按每 2 秒 5的速度沿逆时针方向旋转一周，在旋转的过程 中，第 t 秒时，直线 ON 恰好平分锐角AOC，则 t 的值为（直接写出结果） 28(本题满分 12 分)数轴上 A、B 两点对应的数分别是4、12，线段 CE 在数轴上运动， 点 C 在点 E 的左边，且 CE8，点 F 是 AE 的中点 （1） 如图 1， 当线段 CE 运动到点 C、 E 均在 A、 B 之间时， 若 CF1， 则 AB， AC，BE； 备用图 备用图 （2）当线段 CE 运动到点 A 在 C、E 之间时 设 AF 长为x，用含x的代数式表示 BE（结果需化简 ） ； 求 BE 与 CF 的数量关系； （3）当点 C 运动到数轴上表示数14 的位置时，动点 P 从点 E 出发，以每秒 3 个单位 长度的速度向右运动，抵达 B 后，立即以原来一半速度返回，同时点 Q 从 A 出发，以每 6 秒 2 个单位长度的速度向终点 B 运动，设它们运动的时间为 t 秒（t8） ，求 t 为何值时， P、Q 两点间的距离为 1 个单位长度 1 扬州市梅岭中学教育集团 2019-2020 学年第一学期期末考试试卷扬州市梅岭中学教育集团 2019-2020 学年第一学期期末考试试卷 七年级数学参考答案及评分建议七年级数学参考答案及评分建议 说明：说明：本评分标准每题给出了一种或几种解法供参考，如果考生的解法与本解答不同， 参照本评分标准的精神酌情给分 一、选择题一、选择题（本大题共有 8 小题，每小题 3 分，共 24 分） 题号12345678 选项CBDBACDC 二、填空题二、填空题（本大题共有 10 小题，每小题 3 分，共 30 分） 9 3 2 ；10 8 103 . 1；114；122 或-10；13防； 1410；15550；1612126；17 2 3 ；189000； 三、解答题三、解答题（本大题共有 10 小题，共 96 分解答时应写出文字说明、证明过程或演算步骤） 19.（1）-24 （2）188 20.（1）3x4 （2） 5 1 x8 21.（1）aba 2 1 2 4 3, 2ba6 原式=78 22.（1）4 2 3 2 1 yx4 （2）58 23.（1）36)6(410 xx4 2x5 答：苹果 2kg梨 4kg6 (2)8 元10 24. （1）02 （2）1x6 （3）242 2 xxmxn48 022 2 xnm9 nm 10 2 25.（1）92 54 （2）补对即可6 （3）58 3410 26.（1）x9 . 02 508 . 0 x4 （2）5506 （3）10当200 x时 220 x（舍） 7 20当500200 x时 440 x9 答：原价分别为 440 元和 560 元10 27. （1） 9002 略6 （2）略10 （3）9 或 8112（答案不全不给分 ） 28.（1）161 62 23 （2）x2165 CFBE28 （3）1t9 3t10 7 48 t11 7 52 t121 扬州市梅岭中学教育集团扬州市梅岭中学教育集团 2019-2020 学年第一学期期末考试试卷学年第一学期期末考试试卷 初一年级英语学科初一年级英语学科 （时间：100 分钟；命题人： 审核人： ） 第第 I 卷（选择题卷（选择题 80 分）分） 一、听力部分（共 20 小题；每小题 1 分，满分 20 分） 第一部分 听对话回答问题（计 10 分） A、从 A、B、C 三个选项中选出与你所听内容相符的选项。听两遍。 1. What festival is coming? A.B.C. 2. How does Mike usually go to school? A.B.C. 3. What does Betty want to buy? A.B.C. 4. What does David usually have for breakfast? A.B.C. 5. What does Sandy usually do at the weekend? A. Do some shopping.B. Watch TV at home.C. Play with his friends. 6. What does the man think of the shoes? A. Nice but too small.B. Cheap.C. Not small. 7. Where are they talking now? A. In a library.B. In a restaurant.C. In a bookshop. 8. How does John celebrate his birthday? A. He has a special party at home. B. He goes to the park with his friends. C. He goes to watch a film with his friends. 9. Which club is the girl in on Saturdays? A. The Dancing Club.B. The Drawing Club.C. The Music Club. 10. How much does the woman pay for the clips? A. 2 yuan.B. 5 yuan.C. 10 yuan. 第二部分 听对话和短文回答问题（计 10 分） 听下面一段对话和两篇短文，从所给选项中选出最佳答案回答问题。听两遍。 2 A、听第一段对话，回答第 11-12 小题。 11. Where is Amy going? A.Aflower shop.B.Afood shop.C. Abus stop. 12. How many people are going shopping together？ A. Two.B. Three.C. Four. B、听第一篇短文，回答第 13-15 小题。 13.A. a Christmas partyB. a birthday partyC. a New Year party 14.A. at 5:45B. at 6:00C. at 6:15 15.A. in the classroomB. in the playgroundC. in the school hall C、听第二篇短文，回答第 16-20 小题。 16. How does Simon go to school every day? A. By bus.B. On foot.C. By bike. 17. What does Simon do at 7:30 in the morning? A. He has breakfast.B. He does morning exercises.C. He goes to school. 18. What lessons does Simon like best? A. Maths and English.B. Maths and Chinese.C. English and Art. 19. How often does Simon go to the Football Club? A. Once a week.B. Every day.C. Twice a week. 20. How long does Simon spend doing his homework every day? A.About half an hour.B.About an hour.C.About two hours. 二、单项选择（共 15 小题，每小题 1 分，计 15 分） 在下列各题 A、B、C、D 四个选项中选择一个能填入题干空白处的最佳答案。 21. Would you like to play _______ table tennis with us this afternoon? Yes, Id love to, and there is _______ table tennis ball in my school bag now. A. a; aB. the; aC 不填; aD. 不填; the 22. Heres a bar of chocolate on our desk. For me or for your dad? Its _______, Mum. Happy Mothers Day! A. hersB. herC. yoursD. you 23. Do you like swimming in winter? Of course. The water _______ a little cold at first, but then I am warm and full of energy. A. feelsB. tastesC. smellsD. looks 24. _______ do you work on the computer every day? Hard to say! Six hours or more. A. How oftenB. How manyC. How muchD. How long 25. How do you celebrate ________? We eat rice dumplings and have a boat race. A. HalloweenB. the Mid-Autumn Festival C. ChristmasD. the Dragon Boat Festival 26. What can I do for you, sir? Id like two ________. We all like them. A. bowls of ricesB. boxes of applesC. carton of milkD. kilo of oranges 27. Sally, you look beautiful ________ the silk dress. Thanks! I buy it for the party ________ the evening of February 15th. A. in; onB. in; inC. on; onD. on; in 28. Which subject do you like best? I loveArt best _______ its very interesting. A. soB. butC. andD. because 29. Does this dress _______ me? Aparty WhatpartyThey have13thisFriday evening. WhattimeTheparty starts14. WhereThey havetheparty15. 3 Quite well. How much does it ______? A. fit; spendB. fit; costC. match; costD. match; spend 30. Mum, I want to wear my brown gloves, but there is only one. Wear _______ pair if you cant find _______ one, please. A. other; anotherB. another; the otherC. the other; the otherD. another; other 31. Whats in the kitchen? On the table ______ two cups of coffee and some bread. A. areB. isC. hasD. have 32. Listen! Who ______ in the music room? It must be Lily. She likes singing when she ______ free time. A. sings; hasB. sings; isC. is singing; hasD. is singing; is 33. Would you like _______ cola, Dave? No, thanks. I never drink _______ cola because I think it may make me fat. A. some; anyB. any; someC. any; anyD. some; some 34. Can I ______ your computer? Sorry, Im using it, so I cant _______it to you. A. lend; lendB. lend; borrowC. borrow; lendD. borrow; borrow 35. My family and I will fly to the USA for a holiday. Wow, thats really nice. ____________! A. Best wishesB. Be carefulC. Youre welcomeD. Have a good time 三、完形填空（共 15 小题，每小题 1 分，计 15 分） 阅读下列短文，从文后各题所给的四个选项中选出一个最佳答案。 Mr. Davis comes to his sons bed and sits down beside him. Looking at that little36 face, he asks, “Eric, what kind of37do you have?” “It is a38day for me, Daddy.” Eric answered. “I have a fight(打架) with David at school. We make our39angry. She sends a note home about me. And I talk back to Mum. She is40, too. I am so sorry, Daddy.” “Now, I know part of the day is bad,” says Mr. Davis. “41tell me about the best thing today.” Eric thinks for a minute and42. “After school I go fishing myself,” he says. “I dont think I could have any43. But I do. I catch a big fish!” “Im glad you have a good time,” said Mr. Davis. “Try to think about it44you go to sleep. Now Im going to45the light. I hope I will see a happy boy tomorrow. Good night!” Every night, Eric answers the46question. “What is the best thing to you today?” Every night, Eric thinks about it. Of course it is very helpful for47to have a good sleep. Sometimes he has to think48to find the best thing. Sometimes it is a very small thing. But he49finds one good thing to think about. This is a good way Erics father teaches him to50his day. 36.A. cuteB. sadC. happyD. healthy 37.A. hobbyB. lessonC. dateD. day 38.A. badB. goodC. interestingD. nice 39.A. sisterB. neighbourC. teacherD. classmate 40.A. angryB. happyC. beautifulD. careful 41.A. becauseB. orC. butD. if 42.A. criesB. sleepsC. shoutsD. smiles 43.A. lessonB. dreamC. luckD. help 44.A. beforeB. afterC. whenD. if 45.A. turn onB. turn offC. get onD. get off 46.A. sameB. differentC. easyD. difficult 47.A. heB. himC. theyD. them 48.A. fastB. sadlyC. nextD. hard 49.A. neverB. seldomC. sometimesD. always 50.A. makeB. endC. stopD. play 4 四、阅读理解（共 15 小题，每小题 2 分，计 30 分） 阅读下列内容，从每小题所给的四个选项中选出一个最佳答案。 A Happy birthday to Wally! Welcome to our zoo! Our dear Hama, Wally, will be 5 years old onApril 14th. Come and join us to celebrate its birthday. GRANDPALINS STORYTIME Where is Wally from? Whats Wallys favourite food? Want to know more about Wally? Let Grandpa Lin tell you! Time:10:30 a.m. 11:30 a.m. Place: The playground PICTURE DRAWING Lets make Wallys home more wonderful together young students are welcome to draw pictures of Wally. Time: 12:30 p.m. 2:30 p.m. Place: Childrens Park THE BIRTHDAYPARTY Wally will be glad to see you at his birthday from 3:00 p.m. to 5:00 p.m. in the park. Come and enjoy cakes, drinks, and music, and take pictures with Wally. Special presents for people who were born on April 14th. 51. Whats “Wally”? A.AzooB.AboyC.An animalD.Apark 52. Where can you listen to stories about Wallys life? A.At Grandpa Lins homeB. In the playground C. In Childrens ParkD. In the school 53. Who can go to draw pictures of Wally? A. Ted. He is 12 years old. B. Teds uncle, a doctor. His birthday is on April 14th. C. Teds mother, an Art teacher. D. Teds grandfather. He loves Wally very much. B Look! Here comes a cute bus. It looks like a panda with black ears and big eyes. It can carry 22 people and is about 12 meters long. The Smart Panda Bus uses AI technology(科技). It can do a lot of things. The bus can drive by itself without a driver. Dont worry! Its very safe. When you get on the bus, you can swipe(刷) your hand. The bus will read it and know who you are. There are also robots(机器人) on the bus. You can talk to them and ask them for help. If there is a thief(小偷) on the bus, the bus will call the police. People in some cities, such as Changzhou in Jiangsu, Jinan in Shandong and Deyang in Sichuan, can take the bus. Do you want to have a try? On the bus, there is a machine. You can buy breakfast and dinner. This can save you a lot of time. 54. The Smart Panda Bus ___________. A. is all blackB. is 12 metres wide.C. can drive by a pandaD. is safe 55. People cant ______________ on the Smart Panda Bus. A. buy their breakfastB. talk to the driverC. swipe the handD. ask robots for help 56.According to the passage, which of the following is True? A. The Smart Panda Bus can carry 22 people at a time. B. People can take the Smart Panda Bus only in Jiangsu. C. There are police officers on the Smart Panda Bus. D. The Smart Panda Bus is free(免费) for people to take. 57. Where can we find the passage? A. In a newspaper.B. In a storybook.C. In a comic book.D. In a notebook. 5 C The Witch touches the Fishermans hair. Her hand is thin and white. “Dance with me, Fisherman,” She says. She is smiling. “Is that all?” asks the Fisherman. “That is all,” she answers. She smiles again. “We can dance at sunset,” he says. “Then you can tell me how to send my soul away.” The witch shakes her head. “When the moon is full,” she says. She goes over to the Fisherman and she speaks close to his ear. “Tonight at the top of the mountain,” she whispers. The Fisherman looks at the Witch. “Wait for me at the top of the mountain, under the tree. When the moon is full, we can dance together.” “Yes,” cries the Fisherman. “Tonight we can dance. Its a small price for me.” He runs back to the town. He is happy. The Witch watches him leave. She goes into the cave. She looks in a mirror. She is angry. “Why does he not love me? I am beautiful, too. Why does he love the Mermaid and not me?” 58. The Fisherman wants to ____________. A. dance with the WitchB. send his soul away C. leave his townD. buy something from the Witch 59. The Witch asks the Fisherman to dance with her ________. A. at sunsetB. at nightC. at noonD. at sunrise 60. What does the underlined word “whisper” mean? A. 低声说B. 吹口哨C. 怒吼D. 答应 61. Why is the Witch very angry? A. Because the Fisherman thinks she is ugly. B. Because she cannot dance with the Fisherman. C. Because the Fisherman loves the Mermaid, not her. D. Because the Witch can do nothing for the Fisherman. D When we talk about red packets, the most important question is “What are you going to do with it?” One thing you could do is to put your money in the bank. Maybe you dont know, some students in Hubei begin to use the Xiaogui Dangjia bank card. This is a card for children. It is from China Minsheng Bank in Wuhan. Wang Ming is a junior student in Wuhan. He says, “All my pocket money has a place to go now. I can pay my own school fees(学费).” Zhu Yu, a manager(经理) of Minsheng Bank, says that lots of students dont know how to use their money. So they wan