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    2019-2020盐城盐中初二下学期语数外期中试卷(共3份).zip

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    2019-2020盐城盐中初二下学期语数外期中试卷(共3份).zip

    1、第 1页(共 6页) 2019-2020 学年江苏省盐城中学八年级(下)期中数学试卷学年江苏省盐城中学八年级(下)期中数学试卷 一、选择题一、选择题 1 (3 分)下列四个交通标志图案中,是中心对称图形的为() ABCD 2 (3 分)下列属于最简二次根式的是() ABCD 3 (3 分)矩形具有而菱形不具有的性质是() A对角线相等B两组对边分别平行 C对角线互相平分D两组对角分别相等 4 (3 分)甲、乙、丙、丁四名同学进行跳高测试,每人 10 次跳高成绩的平均数都是 1.28m, 方差分别是 s甲20.60,s乙20.62,s丙20.58,s丁20.45,则这四名同学跳高成绩最 稳定的是

    2、() A甲B乙C丙D丁 5 (3 分)顺次连接一个平行四边形的各边中点所得四边形的形状是() A平行四边形B矩形C菱形D正方形 6 (3 分)小明同学对数据 26,36,46,5,52 进行统计分析,发现其中一个两位数的个 位数字被墨水涂污看不到了,则分析结果与被涂污数字无关的是() A平均数B方差C中位数D众数 二二.填空题填空题 7 (3 分)若在实数范围内有意义,则 x 的取值范围为 8 (3 分)化简 9 (3 分)若与最简根式是同类二次根式,则 a 10 (3 分)在ABC 中,点 D、E 分别是 AB、AC 的中点,BC6,则 DE 11 (3 分)如图,将OAB 绕点 O 逆时针

    3、旋转 70到OCD 的位置,若AOB40, 则AOD 的大小为度 第 2页(共 6页) 12 (3 分)菱形的两条对角线长分别为 3 和 4,则菱形的面积是 13 (3 分)矩形 ABCD 的对角线 AC、BD 交于点 O,AOD120,AC6,则ABO 的 周长为 14 (3 分)如图,平行四边形中,ADC118,BEDC 于点 E,DFBC 于点 F,BE 与 DF 交于点 H,则BHF度 15 (3 分)某公司要招聘 1 名广告策划人员,某应聘者参加了 3 项素质测试,成绩如下(单 位:分) 测试项目创新能力综合知识语言表达 测试成绩708090 若创新能力、综合知识和语言表达的成绩按

    4、5:3:2 计算,则该应聘者的素质测试平均 成绩是分 16 (3 分)如图,正方形纸片 ABCD 的边长为 12,E 是边 CD 上一点,连接 AE、折叠该纸 片,使点 A 落在 AE 上的 G 点,并使折痕经过点 B,得到折痕 BF,点 F 在 AD 上,若 DE5,则 GE 的长为 第 3页(共 6页) 三、解答题三、解答题 17 (1)+; (2) (+) 18如图,ABCD 中,点 E、F 在对角线 AC 上,且 AECF求证:四边形 BEDF 是平 行四边形 19如图,在平面直角坐标系中,ABC 的三个顶点分别为 A(4,3) ,B(1,2) ,C (2,1) (1)画出ABC 关于

    5、原点 O 对称的A1B1C1,并写出点 B1的坐标; (2)画出ABC 绕原点 O 顺时针方向旋转 90得到的A2B2C2,并写出点 A2的坐标 第 4页(共 6页) 20已知 x+,y,求 x2+2xy+y2的值 21如图,BD 是ABC 的角平分线,过点 D 作 DEBC 交 AB 于点 E,DFAB 交 BC 于 点 F (1)求证:四边形 BEDF 是菱形; (2)如果A80,C30,求BDE 的度数 22习总书记在 2020 新年贺词中讲到“垃圾分类引领新时尚”为积极响应号召,普及垃圾 分类知识,某社区工作人员在一个小区随机抽取了若干名居民,开展垃圾分类知识有奖 问答,并用得到的数据

    6、绘制了如图所示条形统计图请根据图中信息,解答下列问题: (1)本次调查一共抽取了名居民; (2)求本次调查获取的样本数据的平均数,中位数; (3)社区决定对该小区 2000 名居民开展这项有奖问答活动,得 10 分者设为一等奖根 据调查结果,估计社区工作人员需准备多少份一等奖奖品? 第 5页(共 6页) 23阅读下列解题过程: (1)化简:; (2)观察上面的解题过程,请你猜想一规律:直接写出式子 (3)利用这一规律计算: (+) ( 24已知矩形 ABCD,AB6,BC10,以 BC 所在直线为 x 轴,AB 所在直线为 y 轴,建立 如图所示的平面直角坐标系,在 CD 边上取一点 E,将A

    7、DE 沿 AE 翻折,点 D 恰好落 在 BC 边上的点 F 处 (1)求线段 EF 长; (2)在平面内找一点 G, 使得以 A、B、F、G 为顶点的四边形是平行四边形,请直接写出点 G 的坐标; 如图 2,将图 1 翻折后的矩形沿 y 轴正半轴向上平移 m 个单位,若四边形 AOGF 为菱 形,请求出 m 的值并写出点 G 的坐标 第 6页(共 6页) 25 【问题情境】 (1)同学们我们曾经研究过这样的问题:已知正方形 ABCD,点 E 在 CD 的延长线上, 以 CE 为一边构造正方形 CEFG,连接 BE 和 DG,如图 1 所示,则 BE 和 DG 的数量关系 为,位置关系为 【继

    8、续探究】 (2)若正方形 ABCD 的边长为 4,点 E 是 AD 边上的一个动点,以 CE 为一边在 CE 的 右侧作正方形 CEFG,连接 DG、BE,如图 2 所示, 请判断线段 DG 与 BE 有怎样的数量关系和位置关系,并说明理由; 连接 BG,若 AE1,求线段 BG 长爱动脑筋的小丽同学是这样做的:过点 G 作 GH BC,如图 3,你能按照她的思路做下去吗?请写出你的求解过程 【拓展提升】 (3) 在 (2) 的条件下, 点 E 在 AD 边上运动时, 利用图 2, 则 BG+BE 的最小值为 盐城市初级中学盐城市初级中学2019/2020/学年度第二学期期中考试 初二年级英语

    9、试题 学年度第二学期期中考试 初二年级英语试题 (时间:100分钟 总分:100分) 第第卷卷(选择题,共选择题,共50分分) 一、听力(略一、听力(略)(本题共(本题共 15 小题,每小题小题,每小题 1 分,计分,计 15 分分) 二、单项选择。(本题共二、单项选择。(本题共 10 小题,每小题小题,每小题 1 分,计分,计 10 分分) 1.-What do you think of the TV play All is well, Simon? -Its really _ excellent TV play. Its so interesting. A. aB.anC.theD./ 2

    10、.Our class is _ 28 girls and 32 boys. A.made ofB.made fromC.made up ofD.made in 3.You often move it with your hand to work on the computer. What is it? _. A.B. C.D. 4.-Hi,Tom. Long time no see!-Hi, Jack. Im _ keep in touch with you. A.busy enough toB.too busy toC.so busy thatD.enough busy that 5.-Mu

    11、st I return my book today, Miss Li? -No, you _. You can return it tomorrow. A. cantB.mustntC.shouldntD.neednt 6.-Mum, I have finished my homework. I dont know _ next. -Do some reading, dear. A. what to doB.where to doC.how to doD.when to do 7.-Tom, your mobile phone is ringing. -Wait a minute. Its d

    12、angerous _ us _ it. A. for; answeringB.of; to answerC.for; to answerD.of; answering 8.-Shanghai is very modern. I _ there last summer. -Yes, I _ there twice. A. went; have goneB.have gone;wentC.went;have beenD.have been;went 9.Do not try to do many things at one time. Otherwise, you will become tire

    13、d out. Remember, you cant _. A.put all your eggs in one basket B.burn the candle at both ends C.actions speak louder than words D.many hands make light work 10.-Would you mind if I sit here? -_. My friend has gone to the toilet and she will be back soon. A. I think soB.No problemC.Of course notD.Sor

    14、ry, youd better not 三、完形填空(本题共三、完形填空(本题共 10 小题,每小题小题,每小题 1 分,计分,计 10 分分) A group of sports players had planned to go back home by train after a sports meeting in _26_ city. But they were delayed(耽搁) _27_ a celebration party for their win. They had to catch a plane. They came to the airport just at t

    15、he last minute. With tickets in their hands, they ran as fast as they _28_ to get on board. While _29_, one of them hit a table and on the table was a fruit basket. All the fruits were knocked down to the ground but the players didnt have time to stop. They kept running and got into the plane finall

    16、y. In the plane, all of them were happy to be in time, _30_ one. He looked unhappy. He got up, said goodbye to his friends and went off the plane. He went to the table, picked up all the _31_ and put them back into the basket. Behind the table was a _32_ girl. She was selling the fruits to make a _3

    17、3_. “I hope we havent ruined(毁掉) your day,” said the man. He _34_ $10 from his pocket, handed it to her and said, “This will take care of the fruits.” After that he left. The girl couldnt see _35_ was going on. All she could hear was the leaving footsteps(步伐). As the footsteps faded away(逐渐消失), she

    18、shouted from behind, “Thank you, sir!” He missed the plane, but was he a loser? One can be a winner without a medal and one can be a loser with a medal. ( )26. otherB. othersC. anotherD. the other ( )27.A. byB. inC. onD. at ( )28.A. canB. mayC. couldD. might ( )29.A. walkingB. runningC. joggingD. pl

    19、aying ( )30.A. includingB. besideC. besidesD. except ( )31.A. tablesB. fruitsC. basketsD. vegetables ( )32.A. richB. deafC. poorD. blind ( )33.A. liveB. lifeC. aliveD. living ( )34.A. pulled outB. pulled awayC. pulled onD. pulled off ( )35. A. whenB. whatC. whoD. how 四、阅读理解四、阅读理解 A. 阅读下列短文,从每题所给的阅读下

    20、列短文,从每题所给的ABCD四个选项中选出最佳选项(共四个选项中选出最佳选项(共15小题,每小题小题,每小题1分, 计 分, 计15分分) A Yancheng has become a famous tourist attraction in China. You can see beautiful views in the city. Travel time: 07:00-10:00Pick you up from the hotel in Shanghai and go to Dafeng Elk Nature Reserve. 10:00-12:00Visit Dafeng Elk N

    21、ature Reserve. 12:00-13:00Lunchtime. 13:00-15:00Visit New Fourth Army Memorial Hall. 15:00-17:00Visit The Sea Salt Museum. 17:00-19:00Visit The Water Street and have dinner there. 19:00-22:00Return to Shanghai. Attention: You must book by email. Tell us which hotel you are staying at and wait for ou

    22、r reply(答 复). Our guide will call you the night before the tour and tell you when we will meet you the next morning. ()36.The writer is probably a _. A.touristB.teacherC.writerD.travel agent ()37.The tourists will visit _ places in Yancheng. A.fourB.fiveC.sixD.seven ()38.Where will they visit at 14:

    23、00? A.Dafeng Elk Nature ReserveB.The Sea Salt Museum C.New Fourth Army Memorial HallD.The Water Street ()39.If you want to book, you must _. A.go to their officeB.call the tour guideC.send them emailsD.write a letter ()40.The best title for this passage is “_”. A.Famous City, YanchengB.One-day Yanch

    24、eng Tour C.A Beautiful CityD.Yancheng Nature Reserve B Once upon a time, there was a poor farmer. he worked hard every day in the field. One day, the farmer was farming in the field. Suddenly, he saw a hare(野兔) running into a tree stump(树桩). The hare broke its neck and died. The farmer was very surp

    25、rised but happy. He took the hare home. His wife cooked a good meal with the hare. Later in the evening, the farmer lay on his bed. He thought to himself, “I dont need to work so hard any more. I just need to wait for a hare by the stump every day.” From that day on, the farmer stopped working. Ever

    26、y day, he sat by the tree stump, waiting for more hares to come. A long time passed, but the hares never came. The story tells us that we should work hard to get what we want. Just as the saying goes, “_”. ()41.What was the farmer doing when a hare ran into a tree stump? A.FarmingB.PlayingC.RestingD

    27、.Cooking ()42.Why did the hare die? A.Because the farmer killed it.B.Because the farmers wife killed it. C.Because the hare broke its neck.D.Because the hare dropped into a river. ()43.How did the farmer feel when he saw the hare die? A.SadB.HappyC.AngryD.Nervous ()44.From the third paragraph, we ca

    28、n infer(推断) that _. A. The man saw more and more hares die. B. The farmer became poorer and poorer. C. The farmer became richer and richer. D. The mans wife became happier and happier. ()45.Which saying can be put in the _? A.No pain, no gain. B.Every dog has its day. C.The early bird catches the wo

    29、rm. D.The grass is always greener on the other side. C Have you heard about HZMB? Yes, its the short form of Hong Kong-Zhuhai-Macao Bridge. As the worlds longest cross-sea bridge, it connects Hong Kong,Macao and Zhuhai. It is one of the “seven wonders of the modern world”. On Oct.24, 2018, the 55-ki

    30、lometer HZMB opened to the public. Work on the HZMB began in Dec. 2009 and cost about 120 billion yuan. The Y-shaped(形状) bridge starts from Lantau Island in Hong Kong with branches(分支) to Zhuhai and Macao. The HZMB is unique in many ways. It can be used for 120 years, 20 years longer than most bridg

    31、es. It is a large steel bridge with more than 400,000 tons of steel, enough to build 60 Eiffel Towers. And it is not just a bridge, but also part tunnel, part island. In one part, the bridge turns into a 6.7-km undersea tunnel that passes through two man-made islands. The HZMB also makes it much fas

    32、ter to travel between the three areas. It has cut the travel time from Hong Kong to Zhuhai from 4 hours to about half an hour. Su Quanke, the chief engineer said,“If it were not for the progress of Made in China, we couldnt possibly complete it in such a short time. The China technology and China st

    33、andard(标准) set by the Hong Kong-Zhuhai-Macao Bridge will influence(影响) the world market.” ()46.How long is the HZMB? A.6.7 kilometers.B.5.5 kilometers.C.67 kilometers.D.55 kilometers. ()47.We can draw a simple picture of HZMB like. ABCD ()48.How long does it take to travel from Hong Kong to Zhuhai a

    34、cross the HZMB? A.About 30 minutes.B.About one hour. C.About four hours.D.About four minutes. ()49.What does the word “unique” mean? A.WideB.LongC.HeavyD.Special ()50.From the last paragraph, we can infer(推断) that Su Quanke is _of the project. A. sickB.fondC.proudD.afraid 试卷试卷II(非选择题,共(非选择题,共50分)分)

    35、B. 任务型阅读(共任务型阅读(共10小题,每小题小题,每小题1分,计分,计10分) 阅读下面短文,根据短文内容完成表格中所缺信息,每空一词。 分) 阅读下面短文,根据短文内容完成表格中所缺信息,每空一词。 Hobbies can be anything. They let you be creative and try all kinds of new things. But how to pick a hobby? Think back to what you loved as a kid. Did you like to ride bikes with friends? Did you

    36、love to paint or draw? Think about what got you excited as a kid and what you could spend hours doing. If you rode bikes, why not get a new bike and go around your neighbour? If you loved drawing, take a class at an art museum. Look at what interests you. Do you enjoy reading books? Maybe you want t

    37、o try your hand at writing them. Do you like a cold beer at the end of the day? Maybe your hobby could be trying to make beer at home. Turn what you love into a hobby. Look into your skills. Some hobbies need skills. If you have little patience(耐心), you may not enjoy hand-sewing(手工缝 纫). But if you l

    38、ove repairing and building things, you can have a hobby like working on old radios or building furniture. Pay attention to what excites you. What you often talk about can show what you love most. Think about the topics you always go on about. Ask your friends what you talk about most. Then you can d

    39、ecide how to turn it into a hobby. 51to pick a hobby? ZhuhaiMacao Hong Hong KongMacao Zhuha ZhuhaiMacao Hong Kong Hong KongZhuhai Macao C.阅读与回答问题(共阅读与回答问题(共5小题,每小题小题,每小题1分,计分,计5分)分) On Saturday morning, Hollys parents are in the kitchen having coffee. Wheres Holly? asks her dad, Alan. Shes in her ro

    40、om,says her mum. I think shes doing her homework. Well,Im glad that silly business(令人不快的事情) about the dog is over, says Alan. And they smile. In fact, Holly is chatting online with David. They are writing a song together about a dog. On Sunday morning, Holly meets Ricky and Zadie at Graces house. On

    41、 Monday morning, Holly starts her campaign(行动,计划). Stage One Hollys alarm goes off at 6:00 am. She immediately gets up, turns on the light, and gets her CD player Stage Two After school, Holly goes back to Rickys house. Ten minutes later, she continues her journey home. She is carrying a big bag ful

    42、l of paper Stage Three In the evening, Holly presents her parents with a long sheet of paper. Whats this? her father asks nervously. Its a petition(请愿书). A petition?repeats her mother. Thats right. Its a petition for me to have a pet dog. Then her parents look at each other and Hollys mother nods. A

    43、ll right, Holly,says her father. We know this is important to you. You can have a dog. Holly gives a loud happy shout Now where do we get a dog? asks her father. From an animal rescue centre!says Holly. -adapted from Hollys New Friend 回答下面5个问题,每题答案不超过5个词。 61. What is Holly in fact doing on Saturday

    44、morning? 62. When does Holly start her campaign? 63. How many stages are there in Hollys campaign? 64. Do Hollys parents agree about her petition at last? 65.Where do they get a dog? 五、词汇(共五、词汇(共20小题,每小题小题,每小题1分,计分,计20分)分) A.根据句意和汉语提示写出单词,完成句子,没空一词。根据句意和汉语提示写出单词,完成句子,没空一词。 66.If you dont go there, I

    45、 wont _(也) 67.Its bad manners to _(采,摘) flowers in the dark. 68.Suddenly, our ship crashed _(紧靠,碰,撞) the rocks. 69.Mike has a good _(习惯) of reading English for an hour every day. 70.Through ten years hard work, he became a successful _(法国的) writer. Think back to what you loved as a kid. If you liked

    46、52bikes, get a new bike and go around your neighbourhood. If you loved drawing, take classes at an art53. Look at what 54 you.If you enjoy reading, you may want to try your hand at writing them. If you like a cold beer, you may want to try to make it at55. Turn what you love into a56 . Look into you

    47、r skills.If you are57 , you may not enjoy hand-sewing. If you love repairing and building things, you can have a hobby such 58 working on old radios or building furniture. Pay attention to what excites you. Think about the 59 you always go on about. Ask your friends what you talk about most and then

    48、 you can 60 how to turn it into a hobby. B.根据句意,用所给单词的适当形式填空,每空一词。根据句意,用所给单词的适当形式填空,每空一词。 71.We Chinese often greet each other by _ (shake) hands. 72.Its very meaningful to work _(close) with the workers. 73.Its going to rain. You have to _(take) an umbrella with you. 74.Many poor people do not have

    49、 enough money for medical _(treat). 75.Our local government should provide enough places for _(home) people to stay. C. 根据短文内容及首字母提示,填写所缺单词,使短文意思完整,每空一词。根据短文内容及首字母提示,填写所缺单词,使短文意思完整,每空一词。 Peter and Simon were good friends. One day, when they walked in a desert(沙漠), they had a quarrel(争吵). Peter was a

    50、_41_ and he hit Simon in the face. Simon was hurt, but he didnt say a_78_. He wrote in the sand, “Today, my best friend hit me in the face.” Another day, when they walked along a river, Simon suddenly fell into the water. Peter j_79_ into the river and pulled Simon o_80_ of water. When Simon was bac


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