七年级上册期末模拟卷
2024-2025学年七年级英语上册第一学期 期末综合模拟测试卷(人教陕西版)(一)
2024-2025学年七年级英语上册第一学期期末综合模拟测试卷(人教陕西版)(一)第一部分(听力共30分)Ⅰ.听选答案(共15小题,计20分)第一节:(共10小题,计10分)1.A.English. B.Math. C.History.2.A.Purple. B.Yellow. C.Blue.3.A.Go to the store. B.Buy some milk.C.Go to the library.4.A.A sweater. B.A skirt. C.A T-shirt.5.A.The dancing club. B.The drawing club.C.The music club.6.A.Linda. B.Helen.C.Jim's sister.7.A.At10a.m. B.At3p.m.C.At6p.m.8.A.Because it's interesting. B.Because it's easy.C.Because it's relaxing.9.A.On September1st. B.On December1st.C.On October10th.10.A.Near the school. B.Behind the park.C.Across from the zoo.第二节:(共5小题,计10分)听第11段对话,回答第11、12小题。
11.When is Lisa's birthday?A.On June17th.B.On July27th.C.On June27th.12.When does Lisa go to the music club?A.On Tuesday evening.B.On Wednesday afternoon.C.On Wednesday evening.听第12段对话,回答第13至15小题。
13.Who is talking with Joe?A.Lisa.B.Ann.C.Ann's aunt.14.Where do they want to go next Sunday?A.To the farm.B.To the hospital.C.To the restaurant.15.Which is Joe's favorite food?A.Fish.B.Eggs.C.Chicken.Ⅱ.听填信息(每空不超过三个单词)(共5小题,计10分)16.Lily likes science because it is________________.17.Lily's father is a teacher and he can play________________well.18.Lily's mother buys________________every day because she thinks it's good forthem.19.Sam likes________________,because he has Chinese that day.20.Tom plays________________after his classes finish.第二部分(笔试共90分)Ⅲ.完形填空(共20小题,计20分)第一节:Hello!I am Nancy.I'm__21__English girl.I'm12years old.There__22__four people in my family—my parents,my brother and I.My brother is a smart boy.He enjoys__23__soccer.My parents work in a middle school.My mother__24__ English.They always help me with my study.This Sunday is my mother's birthday.We want__25__a big party for her.My __26__birthday and mine are in the same month—August.But my father's birthday is early.It's__27__January.At school,I have many good friends and nice teachers.My favorite subject is music.I think it's fun and__28__.But I don't like math__29__it's really difficult for me.We have art on Wednesday and Friday.I like the subject,too.Mr.Smith is__30__art teacher.His classes are interesting.We all like him.21.A.an B.aC./D.the22.A.be B.amC.isD.are23.A.play B.to playC.playingD.plays24.A.teach B.teachesC.learnD.learns25.A.have B.havingC.to haveD.has26.A.brother B.brothersC.brothers'D.brother's27.A.at B.inC.onD.toe esefulefully29.A.after B.whenC.beforeD.because30.A.our B.weC.ours第二节:Hi,friends.There is a new restaurant in my neighborhood.The food there is very __31__.My parents and I like having dinner there on the weekend.It only takes __32__three or four minutes to walk there.After dinner,we often take a walk in the __33__across from the restaurant.There is a big supermarket next to the park and sometimes we__34__there.There are all kinds of things on sale in it.You can buy what you need at good__35__.The restaurant is also a great__36__to have big parties.I will have my14thbirthday party there next Friday.If you are__37__,welcome to my party.You can __38__the restaurant easily.It's on Zhongshan Road,__39__a bank and a hotel.Oh,I forget to tell you the__40__of the restaurant.It's Jinchao Restaurant.31.A.funny B.magicC.importantD.delicious32.A.him B.themD.her33.A.park B.libraryC.officeD.store34.A.play sports B.take a tripC.go swimmingD.go shopping35.A.prices B.reasonsC.gradesD.ages36.A.date B.placeC.timeD.numberzy B.busyC.freeD.kind38.A.spell B.findC.greetD.count39.A.between B.afterC.underD.behind40.A.problem B.heightC.wayⅣ.阅读理解(共15小题,计20分)第一节:(共10小题,计15分)ADo you know any special subjects at school?Now let's have a look at them in some countries.My name is Frank.I'm from the UK.I have“Forest School”(丛林课程)onMonday afternoon.Ms.Brown takes us to the forest.We learn howto put up a tent and make a fire in the forest.On a family trip(旅行)in the forest,I help my parents make a fire.I'm so happy.The classhelps me a lot.Hi,I'm Gina.I am an American student.I have a folk danceclass at school.It is on Wednesday morning.I think Ms.Smith isa good teacher.She tells us about the history and culture(文化)ofdancing.I like her very much.Hey,I'm Jack.I'm a13-year-old boy from Australia.Our school has surfing classes.But not everyone can doit.Today is Wednesday,so we can have the surfing classtomorrow morning.I study it for a long time.Now,I am good at it.Can you see the man in the picture?He is my teacher Mr.Green.41.What does Frank think of“Forest School”?A.It's exciting.B.It's boring.C.It's helpful.D.It's relaxing.42.Which of the following is true?A.Jack has a surfing class on Wednesday.B.Ms.Brown is Mary's surfing teacher.C.Frank is a student from America.D.Gina can learn about the history and culture of dancing in Ms.Smith's classes.43.Who might be interested in this passage?A.Students.B.Doctors.C.Singers.D.Farmers.BThere are four clubs in our school—sports,music,art and reading.Which one fits(适合)you best?Try to answer these questions and you will know.Do you get enough(足够的)exercise?a.Always.I love playing sports.What is your favourite school subject?a.P.E.I like to be active.b.Not really.I like to listen to music and have a rest(休息).c.Not really.I usually draw and paint in my free time.d Never.I like to read books and exercise my mind.b.Music.I like to play an instrument.c.Art.I love to draw and paint.d.English and Chinese.I enjoy reading and writing.What do you do on a cold and snowy day?a.I can't sit quietly.I must do something active inside.b.I stay at home and listen to music or play an instrument.c.I paint or draw a picture.d.I read a book or write a story.You will go on a trip.But you can only take one thing with you.What do you take?a.Running shoes.I can't go anywhere without them.b.A music player.I can't live without music.c.Some paper and a pencil.I can draw on the way.d.A good book.I will be bored(无聊的) without a book.Now look at your answers!3or more“a”—sports;3or more“b”—music;3or more“c”—art;3or more“d”—reading.Or maybe you are in the middle!For example,2“a”+2“b”—sports and music.44.The underlined word“active”may mean“____”in Chinese.A.文艺的B.安静的C.活跃的D.沉稳的45.The underlined word“them”in the passage refers to(指的是)“____”.A.running shoesB.good booksC.music playersD.some paper and a pencil46.Now Jack is a member of the Music Club,so his answer may be____.A.a-b-c-dB.b-c-b-bC.a-c-d-cD.d-a-d-a47.Which is the best title for the text?A.What club do you have?B.What club is the best?C.What club are you in?D.What club is right for you?CInteresting Knowledge About TimeWhat is a time zone(时区)?There is a time zone when you move from east to west on the earth.Place Beijing,China London,the UK New York,the USATime4p.m.8a.m.3a.m.Place Tokyo,Japan Paris,France Rome,ItalyTime5p.m.9a.m.9a.m.__▲__?Yes.In the UK,they change the clocks twice(两次)a year.When spring begins, they put the clocks forwards(向前)by one hour.This gives more hours of daylight(日光)in the evening.In the middle of summer,it gets dark at about10p.m.When summer ends(结束),they put the clocks back by one hour.This means that students go to school in daylight.In the middle of winter,the sun rises late at about8a. m.and sets at about4p.m.48.When it is4:00p.m.in Beijing,it's____.A.3:00a.m.in LondonB.9:00p.m.in ParisC.9:00a.m.in RomeD.5:00p.m.in New York49.Which of the following sentences can be put in____▲__?A.Do people have the clocks?B.Do people change the clocks?C.Does spring begin in March?D.Does summer end in August?50.In2024,people in the UK put the clocks forwards on____.A.March10B.March20C.November3D.December3第二节:Mark is my good friend.51.________.But he is in China with his parents for three years.52.________.So he gets up early and does exercise,like running, playing basketball and so on(等等).He thinks playing basketball is really cool.53. ________.After exercise,he has breakfast.For breakfast,he usually has eggs,milk and bread.At about7:30,he goes to school.54.________.His favorite subjects are Chinese and Chinese history.He is busy every day.Every year,Mark and his parents go back to America on December25th.55.________.You know it's Christmas Day.A.He has six classes a dayB.He has a good time with his family members on that dayC.And he wants to be a basketball player in the futureD.He likes playing sports very muchE.His favorite food is chickenF.Because it is boringG.He is from AmericaⅤ.完成句子:根据所给汉语意思,用单词或短语完成下列英文句子。
2024-2025学年七年级英语上册第一学期 期末综合模拟测试卷(人教宁夏版 一)
2024-2025学年七年级英语上册第一学期期末综合模拟测试卷(人教宁夏版一)选择题(共55分)一、完形填空(共10小题;每小题1分,满分10分)阅读下面短文,从短文后各小题所给的A、B、C、D四个选项中,选出可以填入空白处的最佳选项。
Hi,friends.There is a new restaurant in my neighborhood.The food there is very__1__.My parents and I like having dinner there on the weekend.It only takes __2__three or four minutes to walk there.After dinner,we often take a walk in the __3__across from the restaurant.There is a big supermarket next to the park and sometimes we__4__there.There are all kinds of things on sale in it.You can buy what you need at good__5__.The restaurant is also a great__6__to have big parties.I will have my14th birthday party there next Friday.If you are__7__,welcome to my party.You can __8__the restaurant easily.It's on Zhongshan Road,__9__a bank and a hotel.Oh,I forget to tell you the__10__of the restaurant.It's Jinchao Restaurant.()1.A.funny B.magicC.important D.delicious()2.A.him B.themC.us D.her()3.A.park B.libraryC.office D.store()4.A.play sports B.take a tripC.go swimming D.go shopping()5.A.prices B.reasonsC.grades D.ages()6.A.date B.placeC.time D.number()7.A.lazy B.busyC.free D.kind()8.A.spell B.findC.greet D.count()9.A.between B.afterC.under D.behind()10.A.problem B.heightC.way D.name二、阅读理解(共两节,20小题;每小题2分,满分40分)第一节(共16小题;每小题2分,满分32分)阅读下列短文,从每小题所给的A、B、C、D四个选项中,选出最佳选项。
2024-2025学年七年级生物上册第一学期 期末综合模拟测试卷( 人教版)
2024-2025学年七年级生物上册期末综合模拟测试卷(人教版)题序12345678910111213答案题序141516171819202122232425答案一、选择题(共25小题,每小题2分,共50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)1.科学研究方法包括:①观察法、②实验法、③调查法、④文献法。
明代医药学家李时珍在完成《本草纲目》的修订过程中用到的是()(第1题)A.①B.②③C.②③④D.①②③④2.下列诗句中不含生命现象的是()A.柴门闻犬吠B.海日生残夜C.鸟鸣山更幽D.鱼戏莲叶间3.下列关于生物特征与列举实例搭配不当的是()A.生物的生活需要营养——兔吃草,猫吃老鼠B.生物能进行呼吸——农作物需要浇水、施肥C.生物可以排出体内产生的废物——人排尿,树落叶D.生物都有遗传和变异的特性——培育高产水稻4.使用显微镜观察洋葱鳞片叶内表皮细胞时,下列组合中所观察的细胞数目最少的是()①5×目镜②10×目镜③10×物镜④40×物镜A.①③B.①④C.②③D.②④5.下图为显微镜以及可供选用的4个镜头,下列关于显微镜使用的叙述正确的是()(第5题)A.观察人血永久涂片,选用a和d镜头组合,视野中细胞数目最多B.发现③镜头上有污点,应用洁净的纱布擦拭干净C.观察某植物细胞,发现细胞质逆时针流动,则细胞质实际流动方向是顺时针D.观察洋葱鳞片叶内表皮细胞,可以看到细胞核、细胞质、叶绿体等细胞结构6.在漆树科植物的幼枝和叶上常常会形成虫瘿(yǐnɡ),研究人员发现绿色的虫瘿外表皮可以进行光合作用,原因是其表皮细胞中含有()(第6题)A.线粒体B.叶绿体C.细胞核D.液泡7.“杜鹃花与鸟,怨艳两何赊。
疑是口中血,滴成枝上花。
”下列关于诗中两种生物的描述,错误的是()A.都由受精卵发育而来B.都能进行细胞分裂、分化C.杜鹃的花属于生殖器官D.具有相同的结构层次葡萄果实表皮较薄,汁水丰富,是人们喜爱的水果。
2024-2025学年七年级地理上册第一学期 期末综合模拟测试卷(晋教版)
2024-2025学年七年级地理上册第一学期期末综合模拟测试卷(晋教版)题序12345678答案题序9101112131415答案一、选择题(每小题的四个选项中,只有一项最符合题意。
本大题包含15个小题,每小题1分,共15分)读经纬网示意图(图M-1),完成1~2题。
1.图中甲地的经纬度是()图M-1A.(20°N,20°W)B.(40°N,20°E)C.(40°S,40°E)D.(20°S,40°W)2.图中位于南半球、低纬度的地点是()A.甲B.乙C.丙D.丁山西省某中学组织七年级的同学开展登山活动,老师出示“山地等高线示意图”(图M-2),嘱咐大家路上注意安全。
读图,完成3~5题。
图M-23.图中甲、乙、丙、丁四地,属于陡崖的是()A.甲地B.乙地C.丙地D.丁地4.老师提醒同学们山高路险,此地最高峰的海拔为()A.200米左右B.400米以上C.300米左右D.300米以上5.将图中线段比例尺转化为数字比例尺,下列正确的是()A.1∶200000B.1∶400000C.1∶2000000D.1∶4000000古诗词是中华优秀传统文化的重要组成部分,蕴含着丰富的地理知识。
据此完成6~8题。
6.“离离原上草,一岁一枯荣”的自然规律是由于()A.地球自转B.地球公转C.地球形状D.地球大小7.“竹外桃花三两枝,春江水暖鸭先知”描述的是()A.河流B.地形C.天气D.气候8.导致“高处不胜寒”现象的主要因素是()A.纬度位置B.海陆分布C.地形地势D.人类活动马黛茶是阿根廷的“国饮”,其制作原料马黛树是一种生长于18°S~30°S的亚热带常绿植物,其生长期需要高温、高湿,在气温较低时进行采摘。
图M-3为马黛树种植区的气候资料图。
据此完成9~10题。
图M-39.马黛树生长地区的气候特点是()A.终年炎热干燥B.夏季高温多雨,冬季温和湿润C.全年寒冷干燥D.夏季温和湿润,冬季寒冷干燥10.马黛茶的采摘期最可能是()A.4—8月B.9月—次年1月C.1—4月D.7—11月图M-4为地球表面海陆起伏曲线示意图,横坐标表示地球不同高度地区的面积。
七年级上册 期末检测模拟卷(一) 含答案(人教版)
七年级上册期末检测模拟卷(一)(人教版)本试卷满分120分,考试时间100分钟,试题共26题.答卷前,考生务必用0.5毫米黑色签字笔将自己的姓名、班级等信息填写在试卷规定的位置.一、选择题(本大题共12小题,每小题3分,共36分)在每小题所给出的四个选项中,只有一项是符合题目要求的.1.从踏入学校的那一刻起,我们就认识和使用数学,为了表示物体的个数或者顺序,产生了整数1、2、3,...;为了表示“没有”引入了数0古希腊著名数学家毕达哥拉斯相信“哪里有数,那里就有美”.数仅仅因为它的寓意,就可以给人以丰富的美感.正是由于这种美感,才使人们在各种场合有选择性的使用数.一个数字既表示万物之始,又表示一个整体,这个数字是( )A .10B .100C .1D .9【答案】C【分析】依据题意,为了表示“没有”引入了数0,与一个数字既表示万物之始,又表示一个整体,这两句话,可得答案【详解】解:依据题意:0表示“没有” 而这个数字又既表示万物之始,又表示一个整体, 即这个数是题意中数的开始,又可以表示一个整体可得该数为1故答案为:C 2.新冠肺炎疫情阻击战中,南通是全省唯一主城区没有发本土确诊病例的安全岛.接种新冠疫苗,是巩固抗疫成果最经济、最有效的手段.截止4月24日24时,南通全市已累计接种新冠疫苗102.37万针.其中,102.37万用科学记数法表示为( )A .B .C .D .【答案】C【分析】用科学记数法表示较大的数时,一般形式为a ×10n ,其中1≤|a |<10,n 为整数,且n 比原来的整数位数少1,据此判断即可.【详解】解:102.37万=,故选C .3.下边几何体的展开图可能是( )A .B .C .D .【答案】B【分析】由平面图形的折叠及正方体的展开图解题,注意带图案的三个面有一个公共顶点.81.023710⨯70.1023710⨯61.023710⨯4102.3710⨯61.023710⨯【详解】选项A 、C 、D 带图案的三个面不相邻,没有一个公共顶点,不能折叠成原正方体的形式;选项B 能折叠成原正方体的形式.故选:B .4.下列结论中正确的是( )A .单项式24xy π的系数是14,次数是4 B .单项式m 的次数是1,没有系数C .多项式2223x xy ++是二次多项式D .在1x ,2x y +,2a b -,x y π-,0中,整式有4个【答案】D 【分析】根据单项式的系数、次数和多项式的定义以及整式的概念判断即可.【详解】解:A 、单项式24xy π的系数是的系数是4π,次数是3,不符合题意; B 、单项式m 的次数是1,系数是1,不符合题意;C 、多项式2223x xy ++是三次三项式,不符合题意;D 、在1x ,2x y +,2a b -,x y π-,0中,整式有4个,符合题意.故选:D . 5.根据等式的性质,如果a b =,则下列结论正确的是( ) A .22a b =-B .22a b -=+C .122a b =D .22a b -=-【答案】D【分析】根据等式的基本性质逐项判断即可.【详解】解:A 、如果a b =,22a b =-不一定成立,故本选项不符合题意;B 、如果a b =,22a b -=+不成立,故本选项不符合题意;C 、如果a b =,122a b =不一定成立,故本选项不符合题意;D 、如果a b =,22a b -=-一定成立,故本选项符合题意;故选:D .6.已知221a a -=,则2364a a --的值为( )A .-1B .1C .-2D .2【答案】A【分析】将221a a -=整体代入代数式求值即可. 【详解】221a a -=22(332)36a a a a -=-=∴ ∴2364341a a --=-=-故选A .7.在数学活动课上,兴趣小组的同学们用4块大小不同的长方形纸板和一块小正方形纸板拼成了一个大正方形,有关数据如图所示,则拼成的大正方形的面积是( )A .20B .25C .36D .49【答案】C 【分析】设小正方形的边长为x ,根据大正方形的边长相等可得方程,解得x ,进而求得大正方形的边长及面积【详解】设小正方形的边长为x ,根据大正方形的边长相等可得:1254x x ++=+- 解得3x =∴大正方形的边长为121326x ++=++=∴大正方形面积为6636⨯=故选C8.在某市奥林匹克联赛中,实验一中学子再创辉煌,联赛成绩全市领先.某位同学连续答题40道,答对一题得5分,答错一题扣2分(不答同样算作答错),最终该同学获得144分.请问这位同学答对了多少道题?下面共列出4个方程,其中正确的有( ) ①设答对了道题,则可列方程:;②设答错了道题,则可列方程:;③设答对题目总共得分,则可列方程:; ④设答错题目总共扣分,则可列方程:. A .4个B .3个C .2个D .1个【答案】B 【分析】①若设答对了x 道题,等量关系:5×答对数量-2(40-x )=144;②若设答错了y 道题,等量关系:5×(40-y )-2y =144;③若设答对题目得a 分,等量关系:答对的数量答错数量=40;④设答错题目扣b 分,答对的数量答错数量=40.【详解】解:①若设答对了x 道题,则可列方程:5x -2(40-x )=144,故①符合题意; ②若设答错了y 道题,则可列方程:5(40-y )-2y =144,故②符合题意;③若设答对题目得a 分,则可列方程:,故③符合题意;x ()5240144x x --=y ()5402144y y --=a 1444052a a -+=b 1444052b b --=++1444052a a -+=④设答错题目扣b 分,则可列方程,故④不符合题意. 所以,共有3个正确的结论.故答案是:B .9.如图2是图1中长方体的三视图,若用S 表示面积,5S x =主,4S x =左,则S =俯( ).A .20xB .20C .9xD .9【答案】B 【分析】由主视图和左视图的宽为x ,结合两者的面积得出俯视图的长和宽,从而得出答案.【详解】解:∵S 主=5x ,S 左=4x ,且主视图和左视图的宽为x ,∴俯视图的长为5,宽为4,则俯视图的面积S 俯=5×4=20,故选:B .10.如图,直线上的四个点A ,B ,C ,D 分别代表四个小区,其中A 小区和B 小区相距am ,B 小区和C 小区相距200m ,C 小区和D 小区相距am ,某公司的员工在A 小区有30人,B 小区有5人,C 小区有20人,D 小区有6人,现公司计划在A ,B ,C ,D 四个小区中选一个作为班车停靠点,为使所有员工步行到停靠点的路程总和最小,那么停靠点的位置应设在( )A .A 小区B .B 小区C .C 小区D .D 小区【答案】B【分析】根据题意分别计算停靠点分别在B 、D 、C 各点时员工步行的路程和,选择最小的即可求解.【详解】解:因为当停靠点在A 区时,所有员工步行到停靠点路程和是:5a +20×(200+a )+6(2a +200)=37a +5200(m ),因为当停靠点在B 区时,所有员工步行到停靠点路程和是:30a +20×200+6(a +200)=36a +5200(m ),当停靠点在C 区时,所有员工步行到停靠点路程和是:30(a +200)+5×200+6a =36a +7000(m ),当停靠点在D 区时,所有员工步行到停靠点路程和是:30×(2a +200)+5(a +200)+20a =98a +7000(m ),因为36a +5200<37a +5200<36a +7000<98a +7000, 144++4052b b=所以当停靠点在B 小区时,所有员工步行到停靠点路程和最小,那么停靠点的位置应该在B 区.故选:B .11.阅读下面材料:数轴是数形结合思想的产物.有了数轴以后,可以用数轴上的点直观地表示实数,这样就建立起了“数”与“形”之间的联系.在数轴上,若点A ,B 分别表示数a ,b ,则A ,B 两点之间的距离为AB a b .反之,可以理解式子3x -的几何意义是数轴上表示实数x 与实数3两点之间的距离.则当25x x ++-有最小值时,x 的取值范围是( )A .2x <-或5x >B .2x -≤或5x ≥C .25x -<<D .25x -≤≤【答案】D 【分析】根据题意将25x x ++-可以理解为数轴上表示实数x 与实数-2的距离,实数x 与实数5的距离,两者的和,分三种情况分别化简,根据解答即可得到答案.【解析】方法一:代数法(借助零点分类讨论)当x<-2时,25x x ++-=(-2-x )+(5-x )=3-2x ;当25x -≤≤时,25x x ++-=(x+2)+(5-x )=7;当x>5时,25x x ++-=(x+2)+(x -5)=2x -3; ∴25x x ++-有最小值,最小值为7,此时25x -≤≤,故选:D . 方法二:几何法(根据绝对值的几何意义) 25x x ++-可以理解为数轴上表示实数x 与实数-2的距离,实数x 与实数5的距离,两者的和,通过数轴分析反现当25x -≤≤时,25x x ++-有最小值,最小值为7。
2024-2025学年七年级语文上册第一学期 期末综合模拟测试卷(人教安徽版)
2024-2025学年七年级语文上册第一学期期末综合模拟测试卷(人教安徽版)中华文化博大精深,优秀的传统文化为世人留下了宝贵的精神财富。
学校要开展“传统文化进校园”系列活动,请你参与。
[活动一:文化墙布置]一、语文积累与运用(32分)1.本次活动学校要求布置“古诗词文化墙”,请你帮忙完成。
(10分)美景如诗。
祖国的秀丽山河,寄托了最美的诗心;诗词里的美景,惊艳了时光。
“________________________,________________________”(《观沧海》)是曹操笔下水波荡漾、岛屿耸立的壮阔海景;“________________________,________________________”(《次北固山下》)是王湾笔下波平浪静、辽阔宽广的美丽江景。
诗以言情。
一切景语皆情语,诗人们将最真切的情感寄托在诗歌之中。
“__________________________,一夜征人尽望乡”(《夜上受降城闻笛》)是李益借笛声抒发那绵绵不绝的思乡之情;“________________________,________________________”[《十一月四日风雨大作》(其二)]是陆游借风雨梦境抒发那感人至深的爱国之情。
以诗励志。
人生,总少不了失意与坎坷,励志的诗词总能给我们以力量。
我们在刘禹锡“晴空一鹤排云上,________________________”[《秋词》(其一)]中感受到他屡遭贬谪却愈挫愈勇的豪壮情怀;在谭嗣同“________________________,________________________”(《潼关》)中感受到他勇往直前、追求个性解放的少年意气。
[活动二:文创产品设计]2.为了使大家爱上古典文学,学校举行了文创产品设计活动。
七年级(1)班的任务是为《西游记》设计文创产品,请你参加。
(8分)行者道:“你这个呆子!我临别之时,曾叮咛又叮咛,说道:‘若有妖魔捉住师父,你就说老孙是他大徒弟。
七年级数学上册期末考试模拟卷(附答案解析)
七年级数学上册期末考试模拟卷(附答案解析)一.选择题(共8小题,满分24分,每小题3分)1.﹣3的相反数是()A.3B.﹣3C.D.﹣2.下列图形不是立体图形的是()A.球B.圆柱C.圆锥D.圆3.下列把2034000记成科学记数法正确的是()A.2.034×106B.20.34×105C.0.2034×106D.2.034×1034.下列说法正确的是()A.绝对值最小的数是0B.若|a|=﹣a,则a<0C.﹣a一定是负数D.多项式3xy2﹣4x3y+12的次数为75.根据如图所示的流程图中的程序,当输入数据x=﹣2,y=1时,m值为()A.5B.3C.﹣2D.46.如图所示,点M,N是线段AB上的两个点,且M是AB的中点,N是MB的中点,若AB =a,NB=b,下列结论:①AM=a②AN=a﹣b③MN=a﹣b④MN=a.其中正确的有()A.1个B.2个C.3个D.4个7.超市正在热销某种商品,其标价为每件125元.若这种商品打8折销售,则每件可获利15元,设该商品每件的进价为x元,根据题意可列出的一元一方程为()A.125×0.8﹣x=15B.125﹣x×0.8=15C.(125﹣x)×0.8=15D.125﹣x=15×0.88.若a,b在数轴上的位置如图所示,则下列选项不正确的是()A.ab<0B.|a|>|b|C.a+b>0D.a<﹣b<b<﹣a二.填空题(共8小题,满分24分,每小题3分)9.﹣﹣(用>,<,=填空).10.关于m、n的单项式﹣2m a n b与3m2(a﹣1)n的和仍为单项式,则这两个单项式的和为.11.如图是一、二两组同学将本组最近5次数学平均成绩分别绘制成的折线统计图,由统计图可知组进步较大(填“一”或“二”).12.某校下午第一节2:30下课,这时钟面上时针与分针的夹角是度.13.如图,已知O是直线AB上一点,OC平分∠BOD,OE平分∠AOD,则与∠DOE互余的角有个.14.在一个边长为a的正方形地块上,辟出一部分作为花坛,小明设计一种方案,请你写出花坛(图中阴影部分,其中中间阴影部分为一小正方形)面积S的表达式.15.如图所示的图形都是由大小相同的黑点按照一定规律所组成的,其中第①个图形中一共有1个黑点,第②个图形中共有5个黑点,第③个图形中一共有13个黑点,…,按此规律排列下去,第n个图形中黑点的个数为.(用含n的代数式表示)16.数轴上点M表示﹣1,将它先向右移动5个单位长度,再向左移动3个单位长度到达点N,则点N表示的数是,点M,N的距离是.三.解答题(共8小题,满分72分)17.如图,从正面、左面、上面观察此几何体,分别画出你所看到的几何体的形状.18.(18分)计算:(1)[1﹣(+﹣)×24]÷(﹣5);(2)﹣14+(﹣5)×[(﹣1)3+2]﹣(﹣3)2÷(﹣);(3)先化简,再求值.①5(a2b﹣ab2)﹣(ab2+3a2b),其中|a+1|+(b﹣)2=0;②﹣(3x2﹣4xy)﹣[x2﹣2(4x﹣4xy)],其中x=﹣2.19.解方程:(1)2(x﹣1)=2﹣5(x+2);(2).20.《如果想毁掉一个孩子,就给他一部手机!》这是2017年微信圈一篇热传的文章.国际上,法国教育部宣布从2018年9月新学期起小学和初中禁止学生使用手机.为了解学生手机使用情况,某学校开展了“手机伴我健康行”主题活动,他们随机抽取部分学生进行“使用手机目的”和“每周使用手机的时间”的问卷调查,并绘制成如图①,②的统计图,已知“查资料”的人数是40人.请你根据以上信息解答下列问题:(1)在扇形统计图中,“玩游戏”对应的百分比为,圆心角度数是度;(2)补全条形统计图;(3)该校共有学生2100人,估计每周使用手机时间在2小时以上(不含2小时)的人数.21.如图1,正方形ABCD和正方形AEFG,连接DG,BE.(1)[发现]:当正方形AEFG绕点A旋转,如图2,线段DG与BE之间的数量关系是;位置关系是;(2)[探究]:如图3,若四边形ABCD与四边形AEFG都为矩形,且AD=2AB,AG=2AE,猜想DG与BE的数量关系与位置关系,并说明理由;(3)[应用]:在(2)情况下,连接GE(点E在AB上方),若GE∥AB,且AB=,AE=1,求线段DG的长.22.某班计划买一些乒乓球和乒乓球拍,现了解情况如下:甲、乙两家商店出售两种同样品牌的乒乓球和乒乓球拍,乒乓球拍每副定价100元,乒乓球每盒定价25元.经洽谈后,甲店每买一副球拍赠一盒乒乓球,乙店全部按定价的9折优惠.该班需球拍5副,乒乓球若干盒(不少于5盒).问:(1)当购买乒乓球多少盒时,两种优惠办法付款一样?(2)当购买20盒、40盒乒乓球时,去哪家商店购买更合算?23.观察下列等式:=1﹣,=﹣,=将以上三个等式两边分别相加得:++=1﹣+=1﹣=.(1)猜想并写出:=;(2)直接写出下列各式的计算结果:①=;②+++…+=;(3)探究并计算:.24.(12分)【背景知识】数轴是初中数学的一个重要工具.利用数轴可以将数与形完美的结合.研究数轴我们发现了许多重要的规律:数轴上A点、B点表示的数为a、b,则A,B两点之间的距离AB=|a ﹣b|,若a>b,则可简化为AB=a﹣b;线段AB的中点M表示的数为.【问题情境】已知数轴上有A、B两点,分别表示的数为﹣10,8,点A以每秒3个单位的速度沿数轴向右匀速运动,点B以每秒2个单位向左匀速运动.设运动时间为t秒(t>0).【综合运用】(1)运动开始前,A、B两点的距离为;线段AB的中点M所表示的数.(2)点A运动t秒后所在位置的点表示的数为;点B运动t秒后所在位置的点表示的数为;(用含t的式子表示)(3)它们按上述方式运动,A、B两点经过多少秒会相距4个单位长度?(4)若A,B按上述方式继续运动下去,线段AB的中点M能否与原点重合?若能,求出运动时间,并直接写出中点M的运动方向和运动速度;若不能,请说明理由.(当A,B两点重合,则中点M也与A,B两点重合).参考答案与解析一.选择题1.【解答】解:﹣3的相反数是3.故选:A.2.【解答】解:由题意得:只有D选项符合题意.故选:D.3.【解答】解:数字2034000科学记数法可表示为2.034×106.故选:A.4.【解答】解:A、绝对值最小的数是0,原说法正确,故此选项符合题意;B、若|a|=﹣a,则a≤0,原说法错误,故此选项不符合题意;C、﹣a不一定是负数,原说法错误,故此选项不符合题意;D、多项式3xy2﹣4x3y+12的次数为4,原说法错误,故此选项不符合题意;故选:A.5.【解答】解:∵当x=﹣2,y=1时;xy=﹣2×1=﹣2<0;∴m=x2﹣y2=(﹣2)2﹣12=3;故选:B.6.【解答】解:∵M是线段AB的中点;∴AM=MB=AB=a,故①正确;AN=AB﹣BN=a﹣b,故②正确;MN=MB﹣NB=AB﹣BN=a﹣b,故③正确;∵M是线段AB的中点,N是AM的中点;∴AM=BM=AB=a,MN=MB=×a=a,故④正确;故选:D.7.【解答】解:设该商品每件的进价为x元;依题意,得:125×0.8﹣x=15.故选:A.8.【解答】解:根据图示,可得a<0<b,且|a|>|b|;∴ab<0,a+b<0,a<﹣b<b<﹣a;∴选项A、B、D不符合题意;选项C符合题意.故选:C.二.填空题9.【解答】解:|﹣|=,|﹣|=;∵>;∴﹣<﹣.故答案为:<.10.【解答】解:∵﹣2m a n b与3m2(a﹣1)n的和仍为单项式;∴﹣2m a n b与3m2(a﹣1)n是同类项;∴a=2(a﹣1),b=1;∴a=2a﹣2,b=1;∴a=2,b=1;∴﹣2m a n b+3m2(a﹣1)n=﹣2m2n+3m2n=m2n.故答案为:m2n.11.【解答】解:一组的成绩变化从70到85,二组的成绩变化是从70到90,所以二组进步更大.故答案为:二.12.【解答】解:2点30分相距3+=份;2点30分,此时钟面上的时针与分针的夹角是30×=105°;故答案为:105.13.【解答】解:∵∠AOD+∠BOD=180°,OC、OE分别平分∠BOD和∠AOD;∴∠AOE=∠DOE=∠AOD,∠BOC=∠DOC=∠BOD;∴∠DOC+∠DOE=90°,∠BOC+∠DOE=90°;∴与∠DOE互余的角有∠DOC和∠BOC;故答案为:2.14.【解答】解:S阴影=(a﹣)(a﹣)﹣(﹣)()=(a﹣)2﹣(﹣)2=a2﹣+﹣(﹣+)=a2﹣+﹣+﹣=;故答案为:.15.【解答】解:∵①1=1;②5=2+1+2;③13=3+2+3+2+3;④25=4+3+4+3+4+3+4;…;∴第n个图的黑点的个数为:n+n﹣1+n+n﹣1+…+n﹣1+n,其中有n个n,(n﹣1)个(n﹣1).即第n个图的黑点的个数为n2+(n﹣1)2=2n2﹣2n+1.故答案为:2n2﹣2n+1.16.【解答】解:由题意得:点N表示的数是﹣1+5﹣3=1,点M,N的距离是1﹣(﹣1)=2.故答案为:1,2.三.解答题17.【解答】解:如图所示:18.(18分)计算:(1)[1﹣(+﹣)×24]÷(﹣5);(2)﹣14+(﹣5)×[(﹣1)3+2]﹣(﹣3)2÷(﹣);(3)先化简,再求值.①5(a2b﹣ab2)﹣(ab2+3a2b),其中|a+1|+(b﹣)2=0;②﹣(3x2﹣4xy)﹣[x2﹣2(4x﹣4xy)],其中x=﹣2.【解答】解:(1)[1﹣(+﹣)×24]÷(﹣5)=(1﹣×24﹣×24+×24)×(﹣)=(1﹣9﹣4+18)×(﹣)=(+5)×(﹣)=×(﹣)+5×(﹣)=﹣﹣1=﹣;(2)﹣14+(﹣5)×[(﹣1)3+2]﹣(﹣3)2÷(﹣)=﹣1+(﹣5)×(﹣1+2)﹣9×(﹣2)=﹣1+(﹣5)+18=12;(3)①5(a2b﹣ab2)﹣(ab2+3a2b)=5a2b﹣5ab2﹣ab2﹣3a2b=2a2b﹣6ab2;∵|a+1|+(b﹣)2=0;∴a+1=0,b﹣=0;解得:a=﹣1,b=;当a=﹣1,b=时,原式=2×(﹣1)2×﹣6×(﹣1)×()2=1+=;②﹣(3x2﹣4xy)﹣[x2﹣2(4x﹣4xy)]=﹣3x2+4xy﹣x2+4x﹣4xy=﹣x2+4x;当x=﹣2时,原式=﹣×(﹣2)2+4×(﹣2)=﹣14﹣8=﹣22.19.解方程:(1)2(x﹣1)=2﹣5(x+2);(2).【解答】解:(1)去括号得:2x﹣2=2﹣5x﹣10;移项得:2x+5x=2﹣10+2;合并得:7x=﹣6;解得:x=﹣;(2)去分母得:2(5x+1)﹣(7x+2)=4;去括号得:10x+2﹣7x﹣2=4;移项得:10x﹣7x=4﹣2+2;合并得:3x=4;解得:x=.20.【解答】解:(1)根据题意得:1﹣(40%+18%+7%)=35%;则“玩游戏”对应的圆心角度数是360°×35%=126°;故答案为:35%,126;(2)根据题意得:40÷40%=100(人);∴3小时以上的人数为100﹣(2+16+18+32)=32(人);补全图形如下:;(3)根据题意得:2100×=1344(人);则每周使用手机时间在2小时以上(不含2小时)的人数约有1344人.21.【解答】解:(1)DG=BE,DG⊥BE,理由如下:∵四边形ABCD和四边形AEFG是正方形;∴AE=AG,AB=AD,∠BAD=∠EAG=90°;∴∠BAE=∠DAG;∴△ABE≌△ADG(SAS);∴BE=DG;如图2,延长BE交AD于Q,交DG于H;∵△ABE≌△DAG;∴∠ABE=∠ADG;∵∠AQB+∠ABE=90°;∴∠AQB+∠ADG=90°;∵∠AQB=∠DQH;∴∠DQH+∠ADG=90°;∴∠DHB=90°;∴BE⊥DG;故答案为:DG=BE,DG⊥BE;(2)DG=2BE,BE⊥DG,理由如下:如图3,延长BE交AD于K,交DG于H;∵四边形ABCD与四边形AEFG都为矩形;∴∠BAD=∠EAG;∴∠BAE=∠DAG;∵AD=2AB,AG=2AE;∴==;∴△ABE∽△ADG;∴==,∠ABE=∠ADG;∴DG=2BE;∵∠AKB+∠ABE=90°;∴∠AKB+∠ADG=90°;∵∠AKB=∠DKH;∴∠DKH+∠ADG=90°;∴∠DHB=90°;∴BE⊥DG;(3)如图4,(为了说明点B,E,F在同一条线上,特意画的图形)设EG与AD的交点为M;∵EG∥AB;∴∠DME=∠DAB=90°;在Rt△AEG中,AE=1;∴AG=2AE=2;根据勾股定理得:EG==;∵AB=;∴EG=AB;∵EG∥AB;∴四边形ABEG是平行四边形;∴AG∥BE;∵AG∥EF;∴点B,E,F在同一条直线上,如图5;∴∠AEB=90°;在Rt△ABE中,根据勾股定理得,BE===2;由(2)知,△ABE∽△ADG;∴==;即=;∴DG=4.22.【解答】解:(1)设该班购买乒乓球x盒,则甲:100×5+(x﹣5)×25=25x+375;乙:0.9×100×5+0.9x×25=22.5x+450;当甲=乙,25x+375=22.5x+450,解得x=30.答:当购买乒乓球30盒时,两种优惠办法付款一样;(2)买20盒时:甲25×20+375=875元,乙22.5×20+450=900元,选甲;买40盒时:甲25×40+375=1375元,乙22.5×40+450=1350元,选乙.23.观察下列等式:=1﹣,=﹣,=将以上三个等式两边分别相加得:++=1﹣+=1﹣=.(1)猜想并写出:=﹣;(2)直接写出下列各式的计算结果:①=;②+++…+=;(3)探究并计算:.【解答】解:(1)=﹣;故答案为:﹣;(2)①=1﹣+﹣+﹣+…+﹣=1﹣=;故答案为:;②+++…+=1﹣+﹣+﹣+…+﹣=1﹣=;故答案为:;(3)=×(1﹣+﹣+﹣+…+﹣)=×(1﹣)=×=.24.【解答】解:(1)A、B两点的距离为:8﹣(﹣10)=18;线段AB的中点M所表示的数为﹣1.故答案为:18;﹣1;(2)由题意可得点A运动t秒后所在位置的点表示的数为﹣10+3t;点B运动t秒后所在位置的点表示的数为8﹣2t;故答案为:﹣10+3t;8﹣2t;(3)设它们按上述方式运动,A、B两点经过t秒会相距4个单位长度;当点A在点B左侧时;依题意列式,得3t+2t=18﹣4;解得t=2.8;当点A在点B右侧时;3t+2t=18+4;解得t=4.4;答:它们按上述方式运动,A、B两点经过2.8秒或4.4秒会相距4个单位长度.(4)能.设A,B按上述方式继续运动k秒线段的中点M能与原点重合;根据题意列方程,可得=0;解得k=2.运动开始前M点的位置是﹣1,运动2秒后到达原点;由此得M点的运动方向向右,其速度为:|﹣1÷2|=个单位长度.答:运动时间为2秒,中点M点的运动方向向右,其运动速度为每秒个单位长度.。
2024-2025学年七年级英语上册第一学期 期末综合模拟考试卷(冀教版)(一)
2024-2025学年七年级英语上册第一学期期末综合模拟考试卷(冀教版)(一)第一部分听力Ⅰ. 听句子,选出句子中所包含的信息(共5小题;每小题1分,满分5分)1. A. housework B. homeworkC. question2. A. go down B. go acrossC. run through3. A. look for B. watch forC. ask for4. A. Bob has a toothache. B. Bob has a fever.C. Bob has a headache.5. A. My sister is a cook.B. My sister is a waitress.C. My sister works hard in the restaurant.Ⅱ. 听句子,选出该句的最佳答语(共5小题;每小题1分,满分5分)6. A. Yes, they are. B. Yes, they do.C. Yes, they can.7. A. You're welcome. B. Thanks a lot.C. OK.8. A. No, you aren't. B. Sure, here you are.C. It's my eraser.9. A. Yes, he is. B. Yes, he does.C. He is tall.10. A. Yes, I would. B. Yes, I'd love to.C. Yes, please.Ⅲ. 听对话和问题,选择正确答案(共8小题;每小题1分,满分8分)11. What's Linda's favourite animal?12. Where is Tom from?13. Where is Bill going?A. To the hospital.B. To the store.C. To the park.14. What's the matter with Sam?A. He has a headache.B. He has a fever.C. He has a toothache.15. How will Bill go to the hospital?A. By bus.B. By bike.C. By taxi.16. Who does the man buy the shirt for?A. His daughter.B. His father.C. His son.17. What colour does the man's son like?A. Blue.B. Brown.C. Green.18. How much is the shirt?A. 15 yuan.B. 25 yuan.C. 50 yuan.Ⅳ. 听短文和问题,选择正确答案(共7小题;每小题1分,满分7分)19. What do we know about Sara's father?A. He is in a blue shirt.B. He has a black hat.C. He is short.20. What is Anna in?A. A white shirt.B. A brown skirt.C. A yellow skirt.21. What does Sara like to do?A. Play soccer.B. Play volleyball.C. Read books.22. What animals does Tom like best?A. Monkeys.B. Lions.C. Tigers.23. How many pandas are there in the zoo?A. Two.B. Three.C. Six.24. What are the birds doing?A. They are sleeping.B. They are eating bananas.C. They are talking to the lion.25. Where are the elephants?A. They are in the forest.B. They are under the trees.C. They are near the monkeys.Ⅴ. 听短文填空(共5小题;每小题1分,满分5分)第二部分语言运用Ⅵ. 完形填空(共15小题;每小题1分,满分15分)Do you know Chinese New Year? It is a very big __31__ in China. People like to be with their __32__ at that time. They usually cook many kinds of delicious food,and then they have a big __33__ in the evening.During the festival, Chinese like __34__ dumplings. It has a __35__ of about 1,800 years. And it is still very __36__ in China now. Sometimes people will __37__ a coin(硬币) in one of the dumplings. If you eat the dumpling __38__ the coin, you'll be very lucky. They think it can bring __39__ luck to people. Usually people make dumplings with meat and __40__ like cabbages and tomatoes.__41__ is another lucky food for Chinese. In Chinese, “fish” __42__ like “surplus(盈余)”. Chinese like to have a surplus at the end of the year. __43__ think if they save(积攒) some things at that time, they can have more in the __44__ year.If you __45__ to China, don't forget to taste the special foods.31. A. problem B. partyC. festivalD. test32. A. family B. classmatesC. teachersD. doctors33. A. breakfast B. lunchC. dinnerD. food34. A. selling B. orderingC. findingD. eating35. A. set B. priceC. tripD. history36. A. welcome B. usefulC. interestingD. healthy37. A. draw B. putC. pointD. sing38. A. for B. withC. inD. from39. A. bad B. goodC. easyD. difficult40. A. drinks B. meatsC. fruitsD. vegetables41. A. Noodles B. FishC. CabbagesD. Tomatoes42. A. looks B. soundsC. sellsD. thinks43. A. He B. WeC. TheyD. Them44. A. same B. middleC. nextD. last45. A. live B. comeC. takeD. bringⅦ. 短文填空(共10小题;每小题1分,满分10分)I'm 46. ________ 11-year-old boy. It is Saturday today. My parents, my sister and I get up early. We eat breakfast early 47. ________ we want to go to the zoo early. When we get to the zoo, there 48. ________ (be) many people in it. My mother likes pandas well, so we go to see them first. Some 49. ________ (panda) are eating under trees. My mother says, “They are so 50. ________ (love) !” But I think they are lazy. They sleep all day. Next, we see the giraffes. My sister is 51. ________ (real) happy. They are her favorite animals. My sister wants to give some food to them. But my mother 52. ________(stop) her, “Don't do that! We ca n't give food to these animals. It's one of the 53. ________ (rule) in the zoo. Then we see many other animals in the zoo.After we come back home from the zoo, our parents tell us, “Animals are our good friends. We should be kind to them. Many animals are 54. ________ danger now. We can do some things to save 55. ________(they). ”It is a great day and I learn a lot.第三部分阅读Ⅷ. 阅读理解(共15小题;每小题2分,满分30分)AAll the students and teachers need to take the physical examination(体检) on January 3 at our school.Time: Students: 12: 30 p. m. -2: 45 p. m.Teachers: 2: 45 p. m. -3: 30 p. m.Route (路线): •Start from the teaching building.•Go straight to the lab.•Turn right.•Go straight and pass the second crossing.•You will see the place for the physical examination on your left.56. When can the teachers take the physical examination on January 3?A. At 12: 30 p. m.B. At 2: 30 p. m.C. At 3: 00 p. m.D. At 5: 00 p. m.57. Which is the place for the physical examination?A. ①B. ②C. ③D. ④58. What direction is the playground from the sports centre?A. Southwest.B. Northwest.C. Northeast.D. Southeast.BToday, Mr. Smith goes to a dinner party. He is wearing very old clothes. He comes into the room. But people in the room don't look at him. They don't ask him to sit at the table. He isn't happy. But he doesn't say anything.Mr. Smith goes home quickly and puts on his best clothes. He goes back to the party. Everyone in the room stands up and looks at him. They give him good food to eat. Mr. S mith takes off his coat, puts it on the food and says, “Eat, coat!” The other people are surprised and ask, “What are you doing? Why do you do that? ” Mr. Smith answers, “I am asking my coat to eat food. When I wear old clothes, you don't look at me. You don't ask me to sit down. Now I am wearing these nice clothes. And you give me good food. Now I see that you give the food to my coat, not to me. ”59. What happens (发生) when Mr. Smith comes into the room at first?A. People all look at him.B. No one asks him to sit down.C. People all welcome him.D. People give him food to eat.60. Why does Mr. Smith go home quickly?A. Because he was not fine.B. Because he doesn't like the food there.C. Because he wants to wear his nice clothes.D. Because the people there ask him to go home.61. What does the story want to tell us?A. People can eat food at any party.B. Don't care too much about people's clothes.C. A man in good clothes should eat good food.D. People at the party need to wear nice clothes.CDo you like English? How do you study English? Most students want to be good at English. Here are some ways to help you learn English faster.★Learn English like a babyBabies learn their language slowly. First they learn to listen. Then they learn to speak. Finally, they can read and write.★Listen to English every dayListen to the English radio, watch English TV, see English movies or use online lessons.★Make an English/ESL friendYou can make up conversations and practice dialogues(对话). You'd better use the beginner's textbooks.★Write down new wordsBuy a new notebook. Write words in alphabetical order(字母表顺序). Make some sentences. Always use an English-Chinese dictionary first.★Keep an English diaryStart with simple sentences. You can write about your daily life, such as how you feel, how the weather is, and what you did today.62. How do babies learn their language?A. Listen—speak—read and write.B. Speak—write—read and listen.C. Speak—listen—read and write.D. Listen—speak and write—read.63. How many ways does the writer give in the passage?A. Three.B. Four.C. Five.D. Six.64. Which of the following is TRUE according to the passage?A. Babies learn their language quickly.B. We can't use online lessons because of their high prices.C. We should never use an English-Chinese dictionary first.D. We can keep an English diary.65. What's the best title for the passage?A. How to keep a diaryB. How to learn EnglishC. How to make an English friendD. How to have a fun experienceDDo you want to go on a road trip with your friends? Do you know what to do? If you don't know, there are some tips for you.First, find out why you want to go. And make sure it's a good reason(原因). Road trips take a lot of time and money. But with a good reason to go, nothing can stop you! Good reasons include(包括) trying to find yourself, having fun with your friends, or just travelling to the places you didn't visit before.Second, plan who's going with. If you want to go with someone, write down their names. After you finish your plan, ask those people about the trip. Here are some questions you should think about: Can you trust (信任) them? Will they be able to help you?Third, plan your destination. Write down the places in your country that you want to go to. You can even mark(标记) them on a map with colored pens.Finally, think of the transportation(交通工具) you'll take. Make sure the transportation you take has enough room for everyone.66. How does the writer start this passage?A. By telling a story.B. By giving numbers.C. By asking questions.D. By giving examples.67. Which reason is NOT mentioned(提到) in the text?A. Trying to find yourself.B. Having fun with your friends.C. Spending a lot of time and money.D. Travelling to the places you didn't visit before.68. What's the meaning of the underlined word “destination”?A. 假期B. 路线C. 中转站D. 目的地69. What's the structure of this passage?70. The best title for this passage is “________”.A. When to Make a Plan for Your Road TripB. How to Go on a Road Trip with Your FriendsC. How to Enjoy Your Holiday with Your FriendsD. Why It's Important to Plan Well before You TravelⅨ. 阅读表达(共5小题;每小题2分,满分10分)Where does Harry come from? He's from England. Now let's learn something about England.England is the biggest part in the U. K. In England, you can feel four seasons in one day. It can be sunny, rainy or windy at any time of a day. It is sunny when you get up, but it can be rainy in the afternoon. So don't forget to take an umbrella with you.In England, stores are open from 9: 00 a. m. to 5: 30 p. m. from Monday to Friday. On weekends, stores are open from 10: 00 a. m. to 4: 00 p. m. But a lot of stores don't open on Sundays. Banks and other places are open from 10: 00 a. m. to 5: 00 p. m. If you want to go to parks, you can get there at any time of a day. In England, you can take the bus, the subway or the taxi to the places where you want to go.Englishmen go to a restaurant every month. They also like fast food like hamburgers and fish and chips.71-72题完成句子;73-75题简略回答问题。
2024-2025学年七年级英语上册第一学期 期末综合模拟考试卷(外研版)
2024-2025学年七年级英语上册第一学期期末综合模拟考试卷(外研版)第一部分选择题(共50分)一、阅读理解(共20小题,每小题2分;满分40分)第一节阅读下面语言材料,从每题所给的A、B、C、D四个选项中选出最佳选项。
AJerry is going to visit the Space Museum with his friends tomorrow. He is very happy. Here is a poster about their trip plan.A Trip to the Space Museum*Learn about space and the life of astronauts (宇航员) in space!*Sunday, October 13.*Meet at the school gate at 8:00 a. m.*Leave school at 8:20 a. m.*Go to the Space Museum by bus.*Arrive at 8:50 a. m.*Return (返回)at 3:00 p. m.()1. How will Jerry go to the Space Museum?()2. When will Jerry come back?A. At 8:00 a. m.B. At 8:20 a. m.C. At 8:50 a. m.D. At 3:00 p. m.()3. How does Jerry feel about the trip?A. Nervous.B. Worried.C. Surprised.D. Glad.()4. What is the poster about?A. A trip to the Space Cinema.B. A trip to the Space Museum.C. A trip to the City Zoo.D. A trip to the City Library.BDo you often say “I love you” to your parents? Three students from different countries give their answers.Du Sizheng, 14, ChinaI say it a lot. I say “I love you” to them on some important days such as their birthdays. I know some of my friends are shy to say it to their parents, but I think almost all parents would like to hear it.Sophia, 13, the USI'm pr etty sure most of my friends in the US do say a quick “I love you” when they go to school or come home. We don't usually do that in my family. But we have an understanding of each other. My parents and I both know that we love each other.Kim, 20, South KoreaWe seldom say that. When I was a little kid, I said it a lot. The last time I said “I love you” to my parents was at the airport. They were sending me to China. I think they were surprised to hear it at the time.()5. Du thinks most parents ____.A. often say “I love you”B. like to hear “I love you”C. don't care about their childrenD. are shy to hear “I love you”()6. In Sophia's opinion, American children often say “I love you” when ____.①they go to school ②it is their birthday③they come back home ④they go to another countryA. ①②B. ③④C. ①③D. ②③()7. Which of the following is TRUE according to the passage?A. Kim never comes to China.B. Sophia often says “I love you” to her parents.C. Du is shy to say “I love you” to his p arents.D. Kim often said “I love you” to his parents when he was little.()8. What's the best title for the passage?A. When to Say “I Love You”B. Different Answers to Saying “I Love You” to ParentsC. How to Make Parents HappyD. No “I Love You” in M ost CountriesCA popular show called Become a Farmer is all aboutfarming. Ten boys are going to spend 190 days growingwheat(小麦) in the countryside on a large piece of land.These boys were famous on stage before joining the show.It's amazing to see them leave the stage and live the life offarmers.It's hard to imagine (想象) a group of people who have never done farm work before have to do it now. In this show, they work together and support each other. They have different goals(目标), but they believe that hard work can make any dream come true. Through farming, they become close friends.This show also makes me think about the differences between city and countryside lifestyles. Farmers who keep pigs, cows, chickens and ducks at home are not worried by the stress (压力) of modern society. They find true happiness in the simple things. On the other hand, people in big cities are always stressed because of the fast speed of life and never-ending work. Watching this show can help them relax.The key to the popularity of this show is its authenticity (真实性). It allows people to get away from their busy lives and find some peace.()9. What can we learn about the show from Paragraph 1 and Paragraph 2?A. The boys used to do farm work.B. Ten high school students joined the show.C. Each boy needs to finish his farm work all by himself.D. The boys need to do the farm work for over half a year.()10. Which can describe the boys in the show?A. Smart and creative.B. Brave and helpful.C. Hard-working and friendly.D. Smart and useful.()11. What does Paragraph 3 mainly talk about?A. The writer's ideas about this show.B. What this show is about.C. The reason why people like this show.D. The lifestyle in the countryside.()12. What makes this show popular?A. The boys are really good at farming.B. The boys are stars and have a lot of fans.C. Watching the show helps people forget the stress.D. This show teaches people a lot of farming skills.D①Celebrating New Year happens in every country. But each country has its own way to celebrate New Year.②The Chinese people celebrate New Year twice. One is on January 1st, and the other is in January or February. People have many activities to celebrate New Year, like watching lion dances or having a family dinner.③People in Thailand (泰国) celebrate it by pouring (泼) water on friends and visitors. They think this will bring much rain in the next growing season. Their New Year is in April. It is very hot at that time of a year in Thailand.④In Switzerland (瑞士), people often go skiing to celebrate New Year. They sing in the ice and snow world. In parts of Switzerland, people celebrate it by dressing up to walk from farmhouse to farmhouse. They jump up and down to make the cow bells ring. They hope this will sweep away the bad luck of the old year.⑤People all over the world have a great time on New Year's Day. They often say “Happy New Year” to each other.()13. People in Thailand pour water on friends and visitors to ____.A. keep them coolB. have a lot of funC. wash their handsD. hope for much rain()14. How do people in Switzerland celebrate New Year?A. They make a beautiful farmhouse.B. They dress up as all kinds of animals.C. They sing in the ice and snow world.D. They often pour water on friends and visitors.()15. How is the text organised?(①=Paragraph 1, ②=Paragraph 2,…)()16. The passage is mainly (主要地) about ____.A. different festivals in the worldB. New Year traditions in different countriesC. ways to celebrate different festivalsD. things to do on Chinese New Year's Day第二节阅读短文,从方框内所给的选项中选出可以填入空白处的最佳选项,其中有一个多余选项。
七年级英语上册期末考试模拟卷(附答案)
七年级英语上册期末考试模拟卷(附答案)第I卷(选择题共105分)I.听力测试(30分)A听录音, 在每组句子中选出一个你所听到的句子。
每个句子听一遍。
(7. 5分)1. A. My name's Alan. B. Her name's Mary. C. His name's Mike.2. A. I have a volleyball. B. He likes oranges. C. We need a sweater.3. A. Are these your books? B. Can I help you? C. Here you are.4. A. Let's play basketball. B. Come and buy clothes. C. What’s that in English?5. A.Where is your notebook?B. Who is your math teacher?C.When is your art class?B在录音中, 你将听到五段对话,每段对话后有一个小题, 从每小题A、B、C中选出能回答所给问题的正确答案。
每段对话听两遍。
(7. 5分)6. Where is Mike's sister?A. In her bedroom.B. In the living room.C. In the library.7. What does Bill like?A. Carrots.B. Tomatoes.C. Bananas.8. How much are two pairs of socks?A. 1 dollar.B. 2 dollars.C. 3 dollars.9. What color is Bob's new jacket?A. Blue.B. Black.C. Brown.10. When is John's science class?A. On Tuesday.B. On Thursday..C. On Thursday.C在录音中,你将听到一段对话,对话后在个小题,从每小题A、B、C中选出能回答所给问题的正确答案。
2024—2025学年人教版七年级上册期末模拟考试数学试卷[含答案]
七年级上学期数学期末模拟考试试卷人教版2024—2025学年七年级上册考生注意:本试卷共三道大题,25道小题,满分120分,时量120分钟一、选择题(每题只有一个正确选项,每小题3分,满分30分)1.2022年2月13日,我国自营勘探开发的首个1500米超深水大气田“深海一号”在海南岛东南陵水海域正式投产,每年将向粤港琼等地稳定供气30亿立方米,可满足粤港澳大湾区四分之一的民生用气需求.将数据30亿用科学记数法表示应为310n ´,则n 的值为( )A .7B .8C .9D .102.我国南北朝时的祖冲之是世界上最早把圆周率的精确值计算到小数点后第7位的科学巨匠,该成果领先世界一千多年.圆周率 3.1415926p »按照四舍五入法对p 精确到百分位是( )A .3.15B .3.141C .3.14D .3.1423.下列计算正确的是( )A .330y y --=B .54mn nm mn -=C .243a a a -=D .22223a b ab a b+=4.如果式子53x +与2x 的值互为相反数,则x 的值为( )A .73B .73-C .37D .37-5.小刚做了一道数学题:“已知两个多项式为A ,B ,求A B +的值,”他误将“A B +”看成了“A B -”,结果求出的答案是x y -,若已知B 3x 2y =-,那么原来A B +的值应该是( )A .4x+3y B .2x-y C .-2x+y D .7x-5y 6.一项工程,甲单独做5天完成,乙单独做8天完成.若甲先做1天,然后甲、乙合作完成此项工作的34.若设甲一共做了x 天,则所列方程为( )A .13584x x ++=B .-13584x x +=C .13-584x x +=D .-13-584x x =7.若122m x y +-与13n xy -是同类项,则m n -的值为( )A .4-B .3-C .3D .48.根据等式的性质,下列变形正确的是( )A .如果23x =,那么23x a a =B .如果x y =,那么55x y-=-C .如果x y =,那么22x y -=-D .如果162x =,那么3x =9.如图,点C 是线段AB 的中点,点D 是线段CB 上任意一点,则下列表示线段关系的式子不正确的是( )A .AB =2ACB .AC +CD +DB =ABC .CD =AD -12AB D .AD =12(CD +AB )10.解方程21132x x a -+=-时,小刚在去分母的过程中,右边的“1-”漏乘了公分母6,因而求得方程的解为4x =,则方程正确的解是( )A .0x =B .1x =C .4x =-D .=1x -二、填空题(每小题3分,满分18分)11.比较大小(用“<”“=”或“>”填空):59- 35-.12.若数轴上A 点表示数3-,则与A 点相距5个单位长度的点表示的数为 .13.若73x y ==,,且x y >,则y x -等于 .14.如果3x =-,式子31px qx --的值为2023,则当3x =时,式子31px qx --的值是 .15.有理数a ,b ,c 在数轴上的位置如图所示,化简|a+b ﹣c|﹣|c ﹣b|+2|a+c|= .16.观察图形和所给表中的数据后回答问题.梯形个数12345……图形周长58111417……当图形的周长为167时,梯形的个数为 .三、解答题(17、18、19题每题6分,20、21每题8分,22、23每题9分,24、25每题10分,共计72分,解答题要有必要的文字说明)17.计算:()()241110.5232éù---´´--ëû.18.先化简,再求值:已知210a -=,求()()225212a a a a +--+的值.19.一个角的补角加上20°后等于这个角的余角的3倍,求这个角.20.已知代数式2342A x x =-+.(1)若221B x x =--,求2A B -;(2)若21B ax x =--(a 为常数),且A 与B 的和不含2x 页,求整式2452a a +-的值.21.在抗洪抢险中,解放军战士的冲锋舟加满油沿东西方向的河流抢救灾民,早晨从A 地出发,晚上到达B 地,约定向东为正方向,当天的航行路程记录如下(单位:千米).14+,9-,8+,7-,13+,6-,12+,5-,2+.(1)请你帮忙确定B 地位于A 地的什么方向,距离A 地有多少千米?(2)救灾过程中,冲锋舟离出发点A 最远处有_____千米.(3)若冲锋舟每千米耗油0.5升,油箱容量为30升,求冲锋舟当天救灾过程中至少还需补充多少升油?22.某商场开展优惠促销活动,将甲种商品六折出存,乙种商品八折出售,已知甲、乙两种商品的原销售单价之和为1400元,某顾客参加活动购买甲、乙各一件,共付1000元.(1)甲、乙两种商品原销售单价各是多少元?(2)若商场在这次促销活动中甲种商品亏损25%,乙种商品盈利25%,问:商场销售甲、乙两种商品各一件时是盈利还是亏损了?具体金额是多少?23.如图,已知点C 为线段AB 上一点,12cm AC =,8cm CB =,D 、E 分别是AC AB 、的中点.求:(1)求AD 的长度;(2)求DE 的长度;(3)若M 在直线AB 上,且6cm MB =,求AM 的长度.24.已知 AOB Ð与COD Ð互补,将COD Ð绕点O 逆时针旋转.(1)若110,70AOB COD °°Ð=Ð=①如图1,当30COB Ð=°时,AOD Ð= °;②将COD Ð绕点O 逆时针旋转至3AOC BOD Ð=Ð,求COB Ð与AOD Ð的度数;(2)将COD Ð绕点O 逆时针旋转(0180)a a °<<,在旋转过程中,AOD COB Ð+Ð的度数是否随之的改变而改变?若不改变,请求出这个度数;若改变,请说明理由.25.已知b 是最小的正整数,且,,a b c 满足()250c a b -++=.(1)填空:a =_________,b =_________,c =_________;(2)数,,a b c 在数轴上对应的点分别是,,A B C ,点P 为数轴上一动点,其对应的数为x ,点P 在1到2之间运动时(即12x ££),请化简式子:1125x x x +--+-;(3)在(2)的条件下,点,,A B C 在数轴上运动,若点A 以每秒1个单位长度的速度向左运动,同时,点B 和点C 分别以每秒(5)m m <个单位长度和5个单位长度的速度向右运动.点B 与点C 之间的距离表示为BC ,点A 与点B 之间的距离表示为AB .若在运动过程中BC AB -的值保持不变,求m 的值.【分析】此题主要考查了用科学记数法表示较大的数,一般形式为10n a ´,其中£<110a ,确定a 与n 的值是解题的关键.用科学记数法表示较大的数时,一般形式为10n a ´,其中£<110a ,n 为整数,且n 比原来的整数位数少1,据此判断即可.【详解】解:30亿93000000000310==´.即9n =.故选:C .2.C【分析】本题考查取近似数,涉及四舍五入法,找准小数的百分位,根据千分位的数四舍五入是解决问题的关键.【详解】解: 3.1415926p »,将π按照四舍五入法精确到百分位是3.14,故选:C .3.B【分析】根据同类项的定义以及合并同类项得方法逐项分析即可.【详解】A.336y y y --=-,故不正确;B.54mn nm mn -= ,正确;C.24a 与3a 不是同类项,不能合并,故不正确;D.2a b 与22ab 不是同类项,不能合并,故不正确;故选B .【点睛】本题考查了同类项的定义及合并同类项,熟练掌握合并同类项的方法是解答本题的关键.所含字母相同,并且相同字母的指数也相同的项,叫做同类项;合并同类项时,把同类项的系数相加,所得和作为合并后的系数,字母和字母的指数不变.4.D【分析】本题考查了相反数的性质,解一元一次方程,根据题意列出方程,解方程即可求解.【详解】解:∵53x +与2x 的值互为相反数,∴5320x x ++=解得:37x =-故选:D .【分析】先根据A -B =x y -,32B x y =-,求出A 的值,然后再计算A +B 即可.【详解】由题意得,A =()x y -+(32x y -)=x -y +3x -2y=4x -3y .∴A +B =(4x -3y )+(32x y -)=4x -3y +32x y-= 7x -5y .故选D.【点睛】本题考查了整式的加减,仔细审题,根据题目中的数量关系求出A 的值是解题的关键.6.B【分析】题目默认总工程为1,设甲一共做x 天,由于甲先做了1天,所以和乙合作做了(x-1)天,根据甲的工作量+乙的工作量=总工作量的四分之三,代入即可.【详解】由题意得:甲的工作效率为15,乙的工作效率为18设甲一共做了x 天,乙做了(x-1)天∴列出方程:x x 13584-+=故选B【点睛】本题考查一元一次方程的应用,工程问题的关键在于利用公式:工程量=工作时间×工作效率.7.B【分析】根据同类项的定义解答即可.【详解】解:由题意得:1112m n +=-=,,解得:03m n ==,.∴033m n -=-=-.故选:B .【点睛】本题主要考查同类项,熟练掌握同类项的定义是解决本题的关键.同类项的定义:所含字母相同,并且相同字母的指数也相同,这样的项叫做同类项.【分析】根据等式的基本性质解决此题.【详解】解:A 、如果23x =,且a 0¹,那么23x a a=,故该选项不符合题意;B 、如果x y =,那么55x y -=-,故该选项不符合题意;C 、如果x y =,那么22x y -=-,故该选项符合题意;D 、如果162x =,那么12x =,故该选项不符合题意;故选:C .【点睛】本题主要考查等式的基本性质,熟练掌握等式的基本性质是解决本题的关键.性质1、等式两边加同一个数(或式子)结果仍得等式;性质2、等式两边乘同一个数或除以一个不为零的数,结果仍得等式.9.D【详解】A 、由点C 是线段AB 的中点,则AB =2AC ,正确,不符合题意;B 、AC +CD +DB =AB ,正确,不符合题意;C 、由点C 是线段AB 的中点,则AC =12AB ,CD =AD -AC =AD -12AB ,正确,不符合题意;D 、AD =AC +CD =12AB +CD ,不正确,符合题意.故选:D .10.D【分析】根据题意按照小刚的解方程步骤解方程,再根据解为4x =求出a 的值,再按照正确的步骤解方程即可.【详解】解:由题意得,小刚的解题过程如下:21132x x a -+=-去分母得:()()22131x x a -=+-,去括号得:42331x x a -=+-,移项得:43312x x a -=-+,合并同类项得:31x a =+,∵小刚的求解结果为4x =,∴314a +=,∴1a =,正确过程如下:21132x x a -+=-去分母得:()()221316x x -=+-,去括号得:42336x x -=+-,移项得:43362x x -=-+,合并同类项得:1x =-,故选D .【点睛】本题主要考查了解一元一次方程,正确理解题意还原小刚的解题过程从而求出a 的值是解题的关键.11.>【分析】两个负数比较大小,绝对值大的反而小,据此即可求解.【详解】解:∵5599-=,3355-=,又∵5395<,∴5395->-,故答案为:>.【点睛】此题主要考查了有理数大小比较的方法,解答此题的关键是要明确:①正数都大于0;②负数都小于0;③正数大于一切负数;④两个负数,绝对值大的其值反而小.12.2或8-【分析】本题主要考查了数轴上两点距离计算,有理数的加减计算,分该点在点A 右边和左边两种情况,根据数轴上两点距离计算公式求解即可.【详解】解:当该点在点A 右边时,则该点表示的数为352-+=,当该点在点A 左边时,则该点表示的数为358--=-,∴该点表示的数为2或8-,故答案为:2或8-.13.10-或4-【分析】本题主要考查了有理数的减法计算,求一个数的绝对值,有理数比较大小,先由绝对值的意义得到73x y =±=±,,再由x y >得到73x y ==±,,据此根据有理数减法计算法则求解即可.【详解】解:∵73x y ==,,∴73x y =±=±,,∵x y >,∴73x y ==±,,∴374-=-=-y x 或3710-=--=-y x ,故答案为:10-或4-.14.2025-【分析】本题考查了代数式的求值,解题的关键是运用整体思想代入求值.把3x =-代入求出2732024p q -=-,再把3x =代入,变形后即可求出答案.【详解】解:∵3x =-时,式子31px qx --的值为2023,∴27312023p q -+-=,即2732024p q -=-,当3x =时,313127202412025px qx p q ----==--=-,故答案为:2025-.15.﹣3a ﹣2c【分析】根据数轴,可得a <b <0<c ,且|a|>|c|,据此关系可得|a+b ﹣c|及|a+c|的化简结果,进而可得答案.【详解】根据题意得,a <b <0<c ,且|a|>|c|,∴a+b-c <0,a+c <0,∴|a+b ﹣c|﹣|c ﹣b|+2|a+c|=-(a+b-c )-(c-b)-2(a+c),=-a-b+c-c+b-2a-2c ,=﹣3a ﹣2c.故答案为﹣3a ﹣2c.【点睛】本题考查数轴的运用,要求学生掌握用数轴表示实数及实数间的大小关系.16.55【分析】根据表格得:当梯形的个数为n 时,图形的周长为32n +,根据题意列出方程,解方程即可求解.【详解】根据表格得:当梯形的个数为n 时,图形的周长为32n +,∴32167n +=,解得:55n =,故答案为:55.【点睛】本题考查了图形类规律题,找到规律列出一元一次方程是解题的关键.17.34【分析】本题主要考查了含乘方的有理数混合计算,按照先计算乘方,再计算乘除法,最后计算加减法,有括号先计算括号的运算顺序求解即可.【详解】解:()()241110.5232éù---´´--ëû()1112922=--´´-()1174=--´-714=-+34=.18.231a -;2【分析】先根据去括号法则去括号,再合并同类项,最后将21a =整体代入即可求解.【详解】解:()()225212a a a a +--+2252122a a a a =+---231a =-210a -=Q 21a \=\原式3112=´-=【点睛】本题考查了整式加减中的化简求值,掌握去括号法则是解题的关键.19.35°【分析】利用一个角的补角加上20°,等于这个角的余角的3倍作为相等关系列方程求解即可.【详解】解:设这个角为x °,则(180-x )+20=3(90-x ),解得x =35.所以,这个角为35°.【点睛】本题主要考查了一元一次方程的应用.解此题的关键是能准确的从题中找出各个量之间的数量关系,找出等量关系列方程,从而计算出结果.20.(1)24x +(2)19【分析】此题主要考查了整式的加减,正确合并同类项是解题关键.(1)直接利用整式的加减运算法则计算得出答案;(2)根据整式的加减运算法则化简,进而得出答案.【详解】(1)解:()()222342221-=-+---A B x x x x 22342242x x x x =-+-++24x =+;(2)解:2342A x x =-+Q ,21B ax x =--,()()223421\+=-++--A B x x ax x 223421x x ax x =-++--()2351a x x =+-+,A Q 与B 的和不含2x 项,30a \+=即3a =-,2452\+-a a ()24(3)532=´-+´--49152=´--36152=--19=.21.(1)B 地位于A 地东方,距离A 地有22千米(2)25(3)8升【分析】(1)根据有理数的加法,可得和,再根据向东为正,结合和的符号可判定方向及距离;(2)首先计算每次行程后与出发点的距离,再比较有理数的大小,可得答案;(3)首先计算当天航行的总里程,进而可得当天耗油量,再根据耗油量与已有的油量,可得答案.++-+++-+++-+++-++=+,【详解】(1)解:∵(14)(9)(8)(7)(13)(6)(12)(5)(2)22∴B地位于A地东方,距离A地有22千米;(2)路程记录中各点离出发点的距离分别为:(14)14+=千米,++-=+=千米,(14)(9)55++-++=+=千米,(14)(9)(8)1313(14)(9)(8)(7)66++-+++-=+=千米,++-+++-++=+=千米,(14)(9)(8)(7)(13)1919++-+++-+++-=+=千米,(14)(9)(8)(7)(13)(6)1313(14)(9)(8)(7)(13)(6)(12)2525++-+++-+++-++=+=千米,++-+++-+++-+++-=+=千米,(14)(9)(8)(7)(13)(6)(12)(5)2020++-+++-+++-+++-++=+=千米,(14)(9)(8)(7)(13)(6)(12)(5)(2)2222>>>>>>>,∵25222019141365∴救灾过程中,冲锋舟离出发点A最远处有25千米.故答案为:25;++-+++-+++-+++-++(3)149871361252=++++++++149871361252=千米,76´-=升,760.5308∴冲锋舟当天救灾过程中至少还需补充8升油.【点睛】本题主要考查了正负数的意义、化简绝对值、有理数比较大小、有理数混合运算的应用等知识,熟练掌握相关运算法则是解题关键.22.(1)甲商品原销售单价为600元,乙商品的原销售单价为800元.(2)盈利,盈利了8元.【分析】(1)设甲商品原销售单价为x 元,则乙商品的原销售单价为(1400﹣x )元,根据优惠后购买甲、乙各一件共需1000元,即可得出关于x 的一元一次方程,解之即可得出结论;(2)设甲商品的进价为a 元/件,乙商品的进价为b 元/件,根据甲、乙商品的盈亏情况,即可分别得出关于a 、b 的一元一次方程,解之即可求出a 、b 的值,再代入1000﹣a ﹣b 中即可找出结论.【详解】(1)解:设甲商品原销售单价为x 元,则乙商品的原销售单价为(1400﹣x )元,根据题意得:0.6x +0.8(1400﹣x )=1000,解得:x =600,∴1400﹣x =800.答:甲商品原销售单价为600元,乙商品的原销售单价为800元.(2)解:设甲商品的进价为a 元/件,乙商品的进价为b 元/件,根据题意得:(1﹣25%)a =60%×600,(1+25%)b =80%×800,解得:a =480,b =512,∴1000﹣a ﹣b =1000﹣480﹣512=8.答:商场在这次促销活动中盈利,盈利了8元.【点睛】本题考查了一元一次方程的应用,找准等量关系,正确列出一元一次方程是解题的关键.23.(1)6cm(2)4cm(3)26cm 或14cm【分析】本题考查了关于线段的中点的计算,线段的和与差的计算.(1)直接根据D 是AC 的中点可得答案;(2)先求出AB 的长,然后根据E 是AB 的中点求出AE ,AE ﹣AD 即为DE 的长;(3)分M 在点B 的右侧、M 在点B 的左侧两种情况进行计算即可.【详解】(1)解:由线段中点的性质,()11126cm 22AD AC ==´=;(2)解:由线段的和差,得()12820cm AB AC BC =+=+=,由线段中点的性质,得()112010cm 22AE AB ==´=,由线段的和差,得()1064cm DE AE AD =-=-=;(3)解:当M 在点B 的右侧时,()20626cm AM AB MB =+=+=,当M 在点B 的左侧时,()20614cm AM AB MB =-=-=,∴AM 的长度为26cm 或14cm .24.(1)①150;②20COB Ð=°,130AOD Ð=°或80COB Ð=°,100AOD Ð=°(2)不改变,其度数为180°【分析】(1)①先根据110,70AOB COD °°Ð=Ð=求出180AOB COD Ð+Ð=°,再根据O AOB C BO OD A D C ÐÐ+Ð+Ð=计算即可;②设AOC x Ð=°,分两种情况:(Ⅰ) OB 在COD Ð内部,(Ⅱ) COD Ð在AOB Ð内部,分别讨论即可;(2)设,,AOB COD AOC b q g °°°Ð=Ð=Ð=,求出所有情况后判断即可.【详解】(1)①∵110,70AOB COD °°Ð=Ð=,∴11108070AOB COD °+°=°Ð+Ð=,∵O AOB C BO OD A D C ÐÐ+Ð+Ð=,30COB Ð=°,∴18030150AOD Ð=°-°=°,故答案为150;②(Ⅰ)当OB 在COD Ð内部时(如图1),设AOC x Ð=°,则110COB x °°Ð=-,70(110)40BOD COD COB x x °°°°°Ð=Ð-Ð=--=-,由3AOC BOD Ð=Ð得,3(40)x x °=°-°,解得60x =,∴1101106050,40604020COB x BOD x °°°°°°°°°°Ð=-=-=Ð=-=-=,∴11020130AOD AOB BOD а=Ð+Ð=+°°=;(Ⅱ) 当COD Ð在AOB Ð内部时(如图2),设AOC x Ð=°,则1107040BOD AOB AOC COD x x Ð=Ð-Ð-Ð=-°-°=°-°°,由3AOC BOD Ð=Ð得,3(40)x x °=°-°,解得x =30,40403010BOD x Ð=-=°-°=°°°,701080COB COD BOD °°°Ð=Ð+Ð=+=,∴3070100AOD AOC COD °°°Ð=Ð+Ð=+=;(2)不改变,其度数为180°.设,,AOB COD AOC b q g °°°Ð=Ð=Ð=,由条件知180b q +=,分四种情况:ⅰ)当OB 在COD Ð内部时(如图3),COB AOB AOC b g аÐ-=°=Ð-,()BOD COD BOC q b g Ð=Ð-Ð=°-°-°,()AOD AOB BOD b q b g q g Ð=Ð+Ð=°+°-°-°=°+°,∴180AOD COB q g b g q b °°°°°°°Ð+Ð=++-=+=;ⅱ) 当COD Ð在AOB Ð内部时(如图4),COB AOB AOC b g аÐ-=°=Ð-,AOD AOC COD g q аÐ+=°=Ð+,∴180AOD COB q g b g q b °°°°°°°Ð+Ð=++-=+=;ⅲ)当OA 在COD Ð内部时(如图5),COB AOB AOC b g аÐ+=°=Ð+,AOD DOC COA q g Ð=Ð-Ð=°-°,∴180AOD COB b g q g q b °°°°°°°Ð+Ð=++-=+=;ⅳ)当COD Ð在AOB Ð外部时(如图6),360()AOD COB AOB COD Ð+Ð=°-Ð+Ð360180180=°-°=°;综上所述,在旋转过程中,AOD COB Ð+Ð的度数不改变,其度数为180°.【点睛】本题考查了角的和差,关键是运用角的和差正确表示所需要的角.25.(1)1-,1,5(2)212x -+(3)2【分析】本题考查了非负数的性质,数轴上的动点,化简绝对值,(1)根据最小的正整数、绝对值和平方的非负性质即可得到结论;(2)根据x 的取值范围,去绝对值进行计算即可得;(3)首先求出A ,B ,C 所在位置,然后计算出BC 和AB ,即可得到结论.【详解】(1)解:∵b 是最小的正整数,∴1b =,∵()250c a b -++=,∴0a b +=,50c -=,解得1,5a c =-=.(2)∵12x ££,∴10,10,50x x x +>->-<,∴原式()()()1125x x x =+--+--éùëû,()()()1125x x x =+----,11210x x x =+-+-+,21110x x x =--+++,212x =-+.(3)由题意知:t 秒后,,A B C 对应的数分别为1,1,55t mt t --++.所以,()()1112AB mt t m t =+---=++.()()55154BC t mt m t =+-+=-+,()()5412BC AB m t m t -=-+-++éùëû,()422m t =-+.∵BC AB -的值不变,∴420m -=.解得2m =.。
2024-2025学年七年级语文上册第一学期 期末综合模拟测试卷(人教版)
2024-2025学年七年级语文上册第一学期期末综合模拟测试卷(人教版)亲爱的同学们,读书可以开阔眼界,增长知识,启迪思维,还可以塑造良好的精神气质。
让我们一起开启“少年正是读书时”读书交流活动吧!经典诵读(26分)1.请你用本学期积累的经典古诗文,完善下面的开场白,拉开本次活动的帷幕。
(8分)甲:同学们,腹有诗书气自华,读书破万卷,下笔如有神。
乙:徜徉其间,我们可以领略不一样的风景。
马致远用“①____________________,小桥流水人家,古道西风瘦马”描绘出客路他乡的深秋晚景;李益用“回乐烽前沙似雪,②__________________”勾勒出大漠边城的苍茫夜色。
甲:漫步其间,我们可以感受饱满的真情。
“③__________________,④__________________”(《闻王昌龄左迁龙标遥有此寄》)是李白对友人深深的牵挂;“何当共剪西窗烛,⑤______________”是李商隐对亲人浓浓的思念;“僵卧孤村不自哀,⑥__________________”是陆游御敌报国的壮志。
乙:浸润其间,我们可以汲取思想的精华。
在孔子的“⑦__________________,思而不学则殆”中明白学习与思考的紧密关系;在刘禹锡的“晴空一鹤排云上,⑧__________________”中体会愈挫愈勇的豪迈乐观。
齐:青春多姿彩,读书趁年华。
现在,让我们品读下面两篇文言文,一起走进“诵读经典·遇见美好”读书交流活动。
子曰:“学而时.习之,不亦说乎?有朋自远方来,不亦乐乎?人不知而不愠,不亦君子乎?”(《学而》)曾子曰:“吾日三省吾身:为人谋而不忠乎?与朋友交而不信乎?传不习乎?”(《学而》)子曰:“三军可夺帅也,匹夫不可夺志也。
”(《子罕》)子夏曰:“博学而笃志,切问而近思,仁在其中矣。
”(《子张》)(节选自《〈论语〉十二章》)夫君子之行,静以修身,俭以养德。
非淡泊无以明志,非宁静无以致远。
2024-2025学年七年级英语上册第一学期 期末综合模拟考试卷(冀教版)(二)
2024-2025学年七年级英语上册第一学期期末综合模拟考试卷(冀教版)(二)第一部分听力Ⅰ. 听句子,选出句子中所包含的信息(共5小题;每小题1分,满分5分)1. A. skate B. skiC. sky2. A. look for B. watch forC. ask for3. A. fifth B. sixthC. seventh4. A. How is your father?B. What's wrong with your father?C. What does your father like?5. A. The food is not in the supermarket.B. Some food in the supermarket is delicious.C. There is a lot of delicious food in the supermarket.Ⅱ. 听句子,选出该句的最佳答语(共5小题;每小题1分,满分5分)6. A. It's 2 yuan. B. 5 o'clock.C. Eight glasses.7. A. It doesn't matter. B. Yes, I am.C. That's bad.8. A. I'd like some apples. B. Yes, I'd like to.C. Yes, sure.9. A. It's old. B. Yes, you can.C. The shirt is nice.10. A. Thank you. B. That's all right.C. Me, too.Ⅲ. 听对话和问题,选择正确答案(共8小题;每小题1分,满分8分)11. What is Wang Mei's friend doing?12. What's Li Ming's favourite animal?13. Which season does Mary like?A. Spring.B. Summer.C. Autumn.14. What does Tom like to do in summer?A. Play basketball.B. Play football.C. Go swimming.15. How is the weather in autumn?A. Cool and windy.B. Cold and sunny.C. Cool and sunny.16. What is the girl going to do?A. To buy a present.B. To watch TV.C. To go to school.17. What day is it tomorrow?A. Monday.B. Saturday.C. Sunday.18. When is Mother's Day?A. On the second Sunday in May.B. On the first Sunday in May.C. On the second Sunday in March.Ⅳ. 听短文和问题,选择正确答案(共7小题;每小题1分,满分7分)19. How much is a jacket?A. $16.B. $28.C. $30.20. How many pairs of trousers can you buy with 40 dollars?A. Two.B. Three.C. Four.21. Why does Li Lei like the store?A. The clothes are nice.B. The store is Mr. Cool's.C. The things are at very good prices.22. What does Jenny's mother buy her?A. A red dress.B. A red sweater.C. A white sweater.23. How is the movie?A. Interesting.B. Exciting.C. Boring.24. When does Jenny have the birthday party?A. In the morning.B. In the afternoon.C. In the evening.25. What do Jenny and her friends do at the party?A. Play games.B. Sing and dance.C. Blow the candles.Ⅴ. 听短文填空(共5小题;每小题1分,满分5分)第二部分语言运用Ⅵ. 完形填空(共15小题;每小题1分,满分15分)It's 12 o'clock. A young man goes into a fast food restaurant for__31__. Many people are in the __32__. “Can I __33__ you?” a waiter asks. “Yes, I'd like a __34__ and some fish, please,” says the __35__ man. “Would you like __36__ to drink?” asks the waiter. “Yes, a bottle of __37__,” the young man says. “Do you want to__38__ them away?” asks the waiter. “Yes,” says the young man.The young man __39__ some money to the waiter for his lunch and the waiter puts the food into a __40__. Then the young man goes away __41__ the bag. In his office, the young man finds __42__ money is in the bag. “Oh! It is the money for my __43__. It must(一定) be the waiter! He puts the money in my bag by mistake (错误),” says the young man. He goes __44__ to the restaurant. He doesn't want to get his lunch for __45__. He is a good young man.31. A. breakfast B. lunchC. dessertD. dinner32. A. restaurant B. schoolC. zooD. farm33. A. ask B. callC. helpD. have34. A. bread B. meatC. eggD. hamburger35. A. old B. youngC. newD. big36. A. something B. anythingC. everythingD. nothing37. A. milk B. riceC. bananaD. beef38. A. look B. findC. getD. take39. A. takes B. givesC. seesD. thanks40. A. bag B. carC. potD. hall41. A. of B. withC. fromD. on42. A. their B. herC. hisD. our43. A. study B. breakfastC. dinnerD. lunch44. A. back B. againC. justD. also45. A. cute B. fineC. freeD. sameⅦ. 短文填空(共10小题;每小题1分,满分10分)Dear Jenny,I am very busy on Friday. At 8: 00 I have math. It is not fun. The teacher says it is 46. ________(use), but I think it is difficult. Then at 9: 00 I have science. It is 47. ________ interesting but difficult subject. At 10: 00 I have history. After that, I have P.E. at 11: 00. It is easy 48. ________ fun. Lunch is 49. ________ 12: 00 to 1: 00, and after that we have the 50. ________(five) class—Chinese. It is my favorite subject. 51. ________(we) Chinese teacher, Mrs. Wang, is great fun. My Chinese class 52. ________(finish) at 1: 50, but after that I have an art class for two 53. ________(hour). It is 54. ________(real) relaxing!How about you? When 55. ________(be) your classes? What is your favorite subject?Your friend,Yu Mei第三部分阅读Ⅷ. 阅读理解(共15小题;每小题2分,满分30分)ASally Miller loves buying things on the Internet. Now she wants to buy someclothes and shoes for her children, Mike and Gina.56. What does Sally Miller want to buy for her son?A. A T-shirt.B. A pair of shoes.C. A pair of socks.D. A pair of shorts.57. What size does her daughter need?A. Size S.B. Size M.C. Size L.D. Size XL.58. How much does Sally Miller need to pay?A. $15.B. $21. 98.C. $27. 99.D. $30. 97.B“I can't find Bill,” Anna says. “Our class pet is lost. ”“We will find him,” Paul says. “Bill is a green lizard(蜥蜴). He can't go out of our classroom. ”Paul helps Anna look for Bill. Bill isn't under the yellow desks or the blue chairs. Anna goes to the brown bookcase.“Oh, a brown lizard is on the bookcase,” Anna says.“The lizard is not green. It's not ours. It's a new lizard,” Paul says.Anna says, “Let's put it into Bill's box. ”Paul puts the brown lizard into the box with some green leaves. Oh, what do they see now? They see a green lizard. The brown lizard turns into(变成) a green one.“It's Bill!” Anna is really happy.59. Where are Anna and Paul?A. In Anna's room.B. In Paul's room.C. In the classroom.D. In the library.60. Anna and Paul see a ________ lizard on the bookcase.A. greenB. brownC. blueD. yellow61. The right order(顺序) is ________.①Anna sees a lizard on the bookcase. ②Anna goes to the bookcase.③They see a green lizard in the box. ④Paul puts the lizard into the box.⑤They look for Bill under the desks.A. ⑤②①④③B. ②⑤①③④C. ⑤①②③④D. ③②⑤①④CHow to Make a New Year CardNew Year cards are a great way to wish your friends a happy New Year. Here are the steps to make one.62. What is a great way to wish your friends a happy New Year?A. Sending beautiful photos.B. Making New Year cards.C. Giving fresh flowers.D. Drawing colourful pictures.63. How many steps do you need to make a New Year card?A. Three.B. Four.C. Five.D. Six.64. What can we write inside the card?A. The number of the year.B. Plans for the new year.C. Happy times with friends.D. Best wishes for friends.65. What does the writer want to do in the passage?A. To teach us how to make a New Year card.B. To teach us how to buy gifts for New Year.C. To show the beautiful New Year cards.D. To invite friends to the New Year party.DPlaying a sport well may be difficult at first, but don't worry—you can do it! The following are some tips for you.________ If you don't know what sport you like to play, try a few! The P. E. class is usually a great chance to try new sports.Get the right equipment(装备). You can ask your parents for help. For example, you can ask your parents to buy you a pair of soccer shoes by doing housework for two months for them.Practise, practise and practise. Practise playing your favourite sport with your friends as much as you can. If you don't have anyone to play with, then practise by yourself. Sometimes you may get the chance(机会) to make new friends when you play.Eat healthily. A healthy body is very important in playing sports. Stop eating hamburgers and ice-cream. Try to eat a lot of fresh fruit and vegetables. Stop eating high-calorie food like chocolate or cakes. Try to eat some healthy food like carrots or apples.Watch games. Watch games to see how the players play. The more games you watch, the more you will know about the sport.66. What can we put into the blank?A. Ask your friends for help.B. Find the sport you like.C. Play sports with your friends.D. Have fun in P.E. classes.67. What does the underlined word “it” refer to (指的是)?A. Playing a sport well.B. Practising by ourselves.C. Something difficult at first.D. A tip for you.68. Why does the writer ask us to watch games?A. Because it makes us love doing sports.B. Because it makes us make more friends.C. Because it makes us always feel relaxed.D. Because it makes us learn more about a sport.69. Why does the writer write the passage?A. To tell us how to keep healthy.B. To tell us how to make friends.C. To tell us how to be good at a sport.D. To tell us how to choose(选择)a good sport.70. In which column(栏) of your school newspaper can you read the passage?A. School News.B. Sports World.C. Loving Stories.D. Game Time.Ⅸ. 阅读表达(共5小题;每小题2分,满分10分)Minions are some small robots in a movie. They're yellow and they wear blue trousers. Some have one eye and some have two eyes. Their arms and legs are too short, so they look very funny. Bananas are their favorite food. Minions are small, but they are very smart. Minions work hard and they have different jobs. Some work as policemen. Some work as basketball players and some work as teachers. Many people like these cute yellow robots. Let's meet three of them.71,72题完成句子;73~75题简略回答问题。
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七年级上册期末模拟卷 Corporation standardization office #QS8QHH-HHGX8Q8-GNHHJ8七年级(上)生物期末测试模拟卷姓名:班级:座号:成绩:一、单项选择题(30分,选择一个最佳答案,每题1分)1、变黄的菜叶最后会从蔬菜植株上脱落,这说明了()A.蔬菜的生活需要营养 B.蔬菜能够排出体内的废物C.蔬菜能对外界的刺激产生反应 D.蔬菜能够生长和繁殖2、下列各项中,与植物的光合作用有相同生理功能的是()A.人吃饭 B.给汽车加油 C.小鸡破壳而出 D.蘑菇由小长大3、海洋中的生物大部分生活在距海平面150米以内的水层中,主要是因为150米以下的水域缺少()A.氧气 B.阳光 C.营养物质 D.生存空间4、神农架生长着一种小野菊花,它能散发出阵阵芳香,被植物学家称为“神农香菊。
而把它移植到其他地方,就会失去香味。
这一现象说明了()A.生物能影响环境 B.环境能影响生物 C.生物能适应环境 D.环境能适应生物5、下列各项中,属于食物链的是()A.青蛙蛇猫头鹰 B.水草兔黄鼬C.松树松毛虫啄木鸟 D.狼鹿草6、下列生态系统中最稳定的是()A.森林生态系统 B.淡水生态系统 C.农田生态系统 D.城市生态系统7、细菌对自然界的最重要影响是()A.制造有机物 B.分解动植物遗体 C.杀死多余动植物 D.净化空气8、观察临时装片时,不能将显微镜向后倾斜的原因是()A.不便于画生物图 B.不便于调节粗、细准焦螺旋 C.不便于对光D.容易使装片里的水溢出,从而影响观察,并损坏显微镜9、在制作临时装片时,为避免盖玻片下产生气泡,盖盖玻片使应将盖玻片()A.一边先接触水滴,然后轻轻放下 B.一边先接触水滴,然后用力放下C.轻轻平放下,然后轻轻一压 D.轻轻平放下,然后用力一压10、土壤中的水分和部分无机盐能进入植物根部细胞,而有害物质则不能进入,这主要是因为()A.细胞壁具有控制物质进出的功能 B.细胞膜具有控制物质进出的功能C.细胞壁具有保护细胞的功能 D.细胞膜具有保护细胞的功能11、下列结构属于器官的是()A.血液 B.脑 C.心肌 D.口腔上皮12、小明在显微镜下观察到视野中央有一个“上”字,他不小心将玻片往右上方移动了一下,问此时视野中的物象往哪个方向做了移动()A.左上方 B.左下方 C.右上方 D.右下方13、用显微镜观察洋葱鳞茎表皮装片的同一部位,应选择下列哪种目镜和物镜的组合,在视野中所看到的细胞数目最多()A.目镜10×,物镜10× B.目镜10×,物镜20×C.目镜10×,物镜4× D.目镜10×,物镜40×14、人的大拇指能否向手背方向弯曲是由特定的遗传物质决定的,这个遗传物质是()A.全部的DNA B.一个细胞核 C.某一个基因 D.所有的染色体15、下列物质中,哪些是有细胞构成的()A.牛乳 B.果汁 C.石块 D.青草16、人的口腔上皮细胞、肌肉细胞、神经细胞的染色体数都是()A.46条 B.24条 C.23条 D.12条17、一粒种子能够萌发长成一棵苍天大树的奥秘在于种子的()A.胚根 B.胚芽 C.胚轴 D.胚18、人们利用绿脓杆菌噬菌体,能有效地控制绿脓杆菌的感染。
绿脓杆菌噬菌体是一种()。
A.细菌 B.植物病毒 C.动物病毒 D.细菌病毒19、长期积水的池子的壁上往往会变成绿色,这是由于生长了()的结果。
A.绿色的藻类植物 B.绿色的苔藓植物 C.绿色的蕨类植物 D.绿色的开花植物20、在小树的树干上栓铁丝晾衣服,日子久了会形成节瘤,原因是损伤了()A.韧皮部 B.木质部 C.形成层 D.髓21、即可以做绿肥又可以做饲料的蕨类植物是()A.贯众 B.海带 C.满江红 D.卷柏22、我们吃的花生仁是由()发育而来的。
A.子房壁 B.整个子房 C.受精卵 D.胚珠23、甘蔗很甜,它的茎中含有大量的糖,这些糖是()A.由叶制造后通过导管运输来的 B.由根从土壤里吸收,通过筛管运输来的C.由叶制造后通过筛管运输来的 D.由根从土壤里吸收,通过导管运输来的24、农田及时松土的好处是:增加了土壤中的空气,能够()A.促进植物的光合作用 B.促进植物对水分的吸收C.促进植物根的呼吸作用 D.促进植物进行光合作用25、发豆芽时要经常淋水,否则豆芽就会发热。
这是由于()A.豆芽能够吸收水分 B.豆能够进行光合作用C.豆芽能够吸收无机盐 D.豆芽能够进行呼吸作用26、双子叶植物茎能逐年加粗的原因是,它的茎内具有()A.形成层 B.木质部 C.韧皮部 D.伸长区27、卷柏、满江红、桫椤等都是同一类植物。
它们的植物体由()组成。
①根②茎③叶④花⑤果实⑥种子A.①②③④⑤⑥ B.①②③ C.①②③④ D.①③⑤⑥28、植物在白天吸收二氧化碳,放出氧气,而在夜间吸入氧,呼出二氧化碳,这是因为()A.日光下进行光合作用,呼吸作用停止 B.在白天光合作用大于呼吸作用C.呼吸作用在夜间进行,光合作用在夜间停止 D.叶片进行光合作用,不进行呼吸作用29、大力进行植树造林,可以改善环境的原因是()①蒸腾作用旺盛,使大气湿度增加②光合作用旺盛,改善氧气和二氧化碳的平衡③呼吸作用旺盛,产生的水量增多④可以保持水土,防风固沙⑤为更多野生动物提供栖息地A.①②③ B.②④⑤ C.①②④ D.①②④⑤30、小明看到农民在水稻田里施人粪尿,回家也把一盆尿液倒在自己种的丝瓜根部土壤上,结果不久丝瓜就萎蔫死亡。
这是因为()A.尿液里有尿素,尿素会使植物中毒 B.尿液使丝瓜根毛大量吸水C.尿液使丝瓜根毛大量失水 D.尿液使土壤温度大大升高七年级(上)生物期末测试模拟卷答案卷姓名:班级:座号:成绩:二、简答题(40分,除个别说明外,每个空1分)1、(1分)动物只能以现存的有机物为食,是因为动物细胞内没有__________。
2、(6分)动物、植物等所有生物生存所需要的基本条件是________、________、________、________、________和________。
3、(3分)在一定地域内,________与________所形成的________整体叫做生态系统。
4、(1分)除病毒以外,生物都是由_______构成的。
5、(3分)常见的玻片标本有________、________、________三种。
6、(4分)地球上所有的生物共有一个家,这就是_________。
它包括_________的大部、_______的表面和_________的底部。
7、(3分)连线题A组: A.猫头鹰1.分解者B.蘑菇 2.生产者C.菠菜 3.消费者B组: A.老虎吃野猪 1.合作关系B.许多蜜蜂在酿蜜 2.竞争关系C.田里的水稻与杂草 3.捕食关系8、(11分)回忆所做的“观察植物细胞”和“观察人的口腔上皮细胞”的实验:⑴实验中用洋葱鳞片叶表皮细胞和口腔上皮细胞制作的玻片标本叫_______。
⑵在制作洋葱鳞片叶表皮细胞和口腔上皮细胞实验中,开始在载玻上分别用滴管滴一滴_______和_______。
⑶洋鳞片叶表皮细胞和口腔上皮细胞相比,共同的结构是_______、_______和_______。
洋葱鳞片叶表皮细胞还具有_______和_______,以及黄瓜表皮果肉细胞的_______是植物细胞特有的结构。
⑷“观察植物细胞”和“观察人的口腔上皮细胞”的实验中染色用的染料都是_______。
⑸你认为细胞是平面的还是立体的。
答______________。
9、(8分)如下图所示,请写出蚕豆种子各部分结构名称,并与将来发育成幼苗的相应部分组成正确的组合。
(1)图中B的序号名称分别是5 ,6 ,7 ,8 。
(2)8发育成C图中的(),C图中3是由()发育而来的,C图中2是对应B 图中的()。
(填序号)(3)其中5、6、7、8四部分组成,它是种子最重要的部分,是新生植物体的雏形。
三、分析说明题(30分)1、下图为一个池塘的生态系统,请分析回答下列问题:(共8分)(1)在此生态系统中,生产者有_________ __ _;在该生态系统中,没有画出的生物还有_____________,它们在一个生态系统中也具有重要作用。
(2分)(2)如果该生态系统受到DDT的污染,那么体内积存DDT最多的生物会是____ _ 。
(1分)(3)一段时间后,该池塘中各种生物的数量又会处于____________状态。
说明生态系统具有一定的____________能力。
(2分)(4)如向池塘中投放一些大黑鱼(肉食性),则池塘中小鱼的数量将会________,写出这条食物链______________________________________。
(3分)2、(6分)阅读下面一段文字,回答问题:如果你生活在乡村,催你晨起的公鸡,夕照中牧归的牛羊,守护你平安之夜的爱犬,都曾经是你童年的朋友。
放眼远眺,杨柳青青,麦浪滚滚,桃花含笑,杏花飘香,是你最熟悉的景色。
春水澄碧,游鱼嬉戏;梁上双燕,春来秋去,曾引发你无限的遐想。
蛙鸣声声,流萤点点,伴你入仲夏夜之梦。
(1)请你给文中的生物进行分类。
(2分)植物:动物:(2)文中“鱼”的适应的生活环境是。
离开这个环境将很难生存,这说明生物对环境的。
(2分)(3)影响鱼生存的因素有因素和因素。
(2分)3、右下图是植物细胞的结构模式图,请据图回答:(括号内填写标号,横线上填写文字,如[6]细胞质)( 6分)(1)能控制物质进出的结构是[ ] 。
具有保护和支持细胞作用的是[ ] 。
(2)西瓜甘甜可口是因为[ ] 内的细胞液中含有大量糖分。
(3)能将光能转变成化学能并储存在有机物中的是[ ] 。
(4)细胞结构中,有“遗传信息库”之称的是[ ] 。
(5)图中没有表示出来,有“动力车间”之称的是。
4、(10分)某生物兴趣小组的同学做了“探究玉米种子萌发的环境条件”实验:在甲、乙、丙、丁四个烧杯中分别放等量的棉花,再将相同数量的玉米种子放在上面,在不同条件下进行培养。
数日后记录发芽情况如下:装置种子所处的环境实验结果甲干燥的棉花,置于25 ℃的橱柜中种子不萌发乙潮湿的棉花,置于25 ℃的橱柜中种子萌发丙潮湿的棉花,置于冰箱冷藏室(4 ℃)种子不萌发丁棉花和种子完全浸没在水中,置于25 ℃的橱柜中种子不萌发(1)通过本实验可以看出,是影响种子萌发的环境条件;乙装置在该实验中起作用;要想证明“温度是影响种子萌发的环境条件”,可选用装置。
(3分)(2)若想探究“光照对玉米种子萌发的影响”,你认为该如何设计实验(2分)?(3)玉米幼苗移栽时,需要带土坨,这样做的目的是什么。