中考预测卷(五)
2023北京中考英语听说模拟试题 (五)(学生版+答案+听力材料)
北京市中考英语听说模拟预测卷05一、听后选择（共8小题；每小题1.5分，共12分）1.Why didn't the man tell the woman he got the ticket yesterday?A. Because he got the wrong ticket.B. Because he couldn't get through to her.C. Because he forgot her telephone number.2.What will the woman do?A. Make a journey.B. Go to work.C. Buy a ticket.3.Where does the conversation probably take place?A. At home.B. At school.C. At a shop.4.How will the girl get the list?A. By asking her teacher.B. By asking her friend Lily.C. By checking the class website.5.What's the matter with the man?A. He got injured when playing tennis.B. He didn't get much exercise lately.C. He couldn't take part in the tennis game.6.What is the man's favorite sport?A. Tennis.B. Swimming.C. Skating.7.What does the speaker mainly talk about?A. Holidays.B. Friends.C. Invitations.8.What can you learn from the speech?A. Making invitations directly is quite necessary.B. You need to bring expensive gifts for friends' birthdays.C. It's very polite to get to the host's dinner ten minutes early.二、听后回答（共5小题；每小题2分，共10分）1.When did the man buy the shirt?2.What kind of coffee does the boy like?3.Where will they go for the school trip?4.How often does the boy go dancing?5.How does the woman examine the man?三、听后记录并转述第一节听后记录信息（共5小题；每小题1分，共5分）三、听后记录并转述第二节听后转述信息（本节5分）第一句话：There are some reasons for social customs ...______________________________________________________________________________________________________________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________四、朗读短文（共8分）Wherever we go, no matter how old we are, we must follow safety rules. Though many people might not see the purposes of stopping at a stop sign or driving at the speed limit, rules keep us safe.People start to learn about the importance of rules when they are children. Needless to say, there are many rules that teach children right from wrong and how to keep themselves and their friends safe. For example, children learn safety rules when they walk in the hallway at school. They are told not to run because they may hurt themselves or run into another student.High school students are also given safety rules but at a different level than younger children.北京市中考英语听说模拟预测卷05一、听后选择（共8小题；每小题1.5分，共12分）W: Hi, Tom!M: Hi, Susan. I'm glad to tell you we've got the plane ticket for you. I wanted to tell you yesterday, but I couldn't get through to you.W: Thanks a lot. It's nice of you to call. Now my journey will go as planned.M: Wish you a pleasant journey. Don't forget to take more photos!W: Thank you very much. I will share my photos with you on the Internet. Bye!M: Bye-bye!1.Why didn't the man tell the woman he got the ticket yesterday?A. Because he got the wrong ticket.B. Because he couldn't get through to her.C. Because he forgot her telephone number.【参考答案】B【考查点】原因2.What will the woman do?A. Make a journey.B. Go to work.C. Buy a ticket.【参考答案】A【考查点】行为动作W: Can we go shopping, Dad? I need to get some notebooks and pencils.M: No problem. Do you need anything else for school?W: Well, let me think. Oh, I need a new brush for the art class, too.M: Let's go to the art store, then. We can get all of those school things there. You probably need a lot more. Did your teacher give you a list?W: There's one on the class website.M: Print it out and bring it with you, honey. I'll get ready and we can leave in about 15 minutes.W: OK, Dad. Can I go to Lily's house afterwards? We're in the same art class. I want to show her what I will get.M: Yeah, I'll drive you there. But you need to take the bus back home in time for dinner, OK?W: OK. I will be back before dinner.3.Where does the conversation probably take place?A. At home.B. At school.C. At a shop.【参考答案】A【考查点】地点场所4.How will the girl get the list?A. By asking her teacher.B. By asking her friend Lily.C. By checking the class website.【参考答案】C【考查点】方式方法W: Why, Peter? You look pale. What's the matter with you?M: Nothing serious. I haven't got much exercise lately. I'm very busy. What do you do in your spare time? W: Well. My favorite summer sport is swimming and I love skating in winter. You also have a favorite sport, don't you?M: My favorite sport is tennis, but I can't play it well.W: I like tennis, too. There will be a tennis game at our school tomorrow morning. Do you want to join us? M: Well, I'd love to, but there will be a live broadcast of the opening ceremony of an important tennis match. So I want to watch it on TV.W: All right. By the way, you should pay more attention to your health. You must take more exercise in your free time.M: Thank you very much. I will.5.What's the matter with the man?A. He got injured when playing tennis.B. He didn't get much exercise lately.C. He couldn't take part in the tennis game.【参考答案】B【考查点】状况6.What is the man's favorite sport?A. Tennis.B. Swimming.C. Skating.【考查点】运动Today let's talk about what to do if you plan to invite someone over to your house or if you are invited to dinner. When making an invitation, you should telephone friends, speak to friends yourself, or send out written notes. A written invitation should include a reason for the gathering, the date, the time, and the place of the gathering. If you are invited to dinner at someone's home, it's wise to arrive 10 minutes late. The host may need time to deal with many other things besides preparing the dinner. Although some people think it is welcome, it isn't necessary to bring flowers or gifts when you are invited to dinner, except on special occasions, such as a birthday. If you want to bring something, it should be small and simple, such as a book, a box of candy or a bottle of wine.I hope this is helpful. Thanks for listening!7.What does the speaker mainly talk about?A. Holidays.B. Friends.C. Invitations.【参考答案】C【考查点】主旨要义8.What can you learn from the speech?A. Making invitations directly is quite necessary.B. You need to bring expensive gifts for friends' birthdays.C. It's very polite to get to the host's dinner ten minutes early.【参考答案】A【考查点】状况二、听后回答（共5小题；每小题2分，共10分）W: How nice! Is it your new shirt, David?M: Yes, I bought it six days ago.W: It fits you well.M: Thanks a lot.1.When did the man buy the shirt?【参考答案】1. Six days ago.2. The man bought the shirt six days ago.3. The man bought it six days ago.W: Peter, what would you like to drink?M: Coffee, please.W: Hot or cold?M: I like cold coffee. Drinking cold coffee makes me full of energy.W: OK!M: Thank you!2.What kind of coffee does the boy like?【参考答案】1. Cold coffee.2. He likes cold coffee.3. He likes cold coffee better.【考查点】类型W: Hello, this is Jane speaking.M: Hi, Jane. This is Peter. I am calling to tell you we will have a school trip tomorrow. W: Great! Where will we go?M: To the zoo.W: When and where shall we meet?M: We will meet at the school gate at 8 am.W: Got it! Thank you!M: You're welcome.3.Where will they go for the school trip?【参考答案】1. To the zoo.2. They'll go to the zoo.3. They will go to the zoo for the school trip.【考查点】地点场所W: Hi, John. What's your hobby?M: Well, I love dancing.W: Sounds cool. How often do you go dancing?M: Twice a week.W: No wonder you look young and healthy.M: I benefit a lot from dancing. You can choose one kind of sport as a hobby.W: Yeah. I'll think of your advice.4.How often does the boy go dancing?【参考答案】1. Twice a week.2. He goes dancing twice a week.3. The boy goes dancing twice a week.【考查点】频度W: What's the matter, young man?M: Er… I've got a headache.W: Let me take your temperature, please!M: OK!W: Your temperature is high and you've got a fever!M: What should I do?W: Take the medicine and drink more water. Please have a good rest at home. You will be better soon.M: Thank you!5.How does the woman examine the man?【参考答案】1. She takes his temperature.2. The woman takes his temperature.3. The woman takes the man's temperature.【考查点】方式方法三、听后记录并转述第一节听后记录信息（共5小题；每小题1分，共5分）There are some social customs and do you know the reasons why people behave like that?Why do people nod and shake their heads? In most places, people nod to mean "yes" and shake their heads for "no". Nodding and shaking the head may come from when we were babies and our mothers were feeding us milk. Babies often nod their heads forward when they want more milk and shake their heads when they don't want more.Why do people shake hands? Hundreds of years ago, people shook hands when they agreed with something, not as a greeting. In those days, life was more dangerous and knives were common. People probably shook hands to check the other person wasn't hiding a knife in the sleeves of their jacket. Shaking hands as a greeting only became popular two hundred years ago in Europe, and more recently in other places.used to be common in Europe and it is still common in Asia.【参考答案】1. milk2. greet3. hiding4. respect5. trusted三、听后记录并转述第二节听后转述信息（本节5分）There are some social customs and do you know the reasons why people behave like that?Why do people nod and shake their heads? In most places, people nod to mean "yes" and shake their heads for "no". Nodding and shaking the head may come from when we were babies and our mothers were feeding us milk. Babies often nod their heads forward when they want more milk and shake their heads when they don't want more.Why do people shake hands? Hundreds of years ago, people shook hands when they agreed with something, not as a greeting. In those days, life was more dangerous and knives were common. People probably shook hands to check the other person wasn't hiding a knife in the sleeves of their jacket. Shaking hands as a greeting only became popular two hundred years ago in Europe, and more recently in other places.used to be common in Europe and it is still common in Asia.第一句话：There are some reasons for social customs ...【参考答案】答案1: There are some reasons for social customs. Firstly, people nod and shake heads. Babies nod heads when they want more milk. And they shake heads to say they don't want more. Secondly, people shake hands. In the past, people didn't shake hands to greet others. They shook hands to check the other person whether he or she was hiding a knife. Lastly, people bow. It is a sign of respect. In the past, people bowed only if they trusted the other person not to kill them.答案2: There are some reasons for social customs. Why do people nod and shake their heads? In most places, people nod to mean "yes" and shake their heads for "no". Nodding and shaking the head may come from when we were babies and our mothers were feeding us milk. Babies often nod their heads forward when they want more milk and shake their heads when they don't want more. Why do people shake hands? Hundreds of years ago, people shook hands when they agreed with something, not as a greeting. In those days, life was more dangerous and knives were common. People probably shook hands to check the other person wasn't hiding a knife in the sleeves of their jacket. Shaking hands as a greeting only became popular two hundred years ago in Europe, and more recently in other places. Why do people bow? People bow as a sign of respect. When you bow, you show the back of your neck to the other person. In the past, peoplebowed only if they trusted the other person not to kill them. Bowing used to be common in Europe and it is still common in Asia.四、朗读短文（共8分）Wherever we go, no matter how old we are, we must follow safety rules. Though many people might not see the purposes of stopping at a stop sign or driving at the speed limit, rules keep us safe.People start to learn about the importance of rules when they are children. Needless to say, there are many rules that teach children right from wrong and how to keep themselves and their friends safe. For example, children learn safety rules when they walk in the hallway at school. They are told not to run because they may hurt themselves or run into another student.High school students are also given safety rules but at a different level than younger children.。
2024年广东省深圳市中考数学模拟押题预测试卷
2024年广东省深圳市中考数学模拟押题预测试卷一、选择题（每题3分，共24分）1．(★)(3分)二次根式的值是()A．-3B．3或-3C．9D．32．(★)(3分)函数y=的自变量x的取值范围是()A．x≠-2B．x≥-2C．x＞-2D．x＜-23．(★)(3分)下列式子、、、、、，二次根式的个数()A．4B．3C．2D．14．(★)(3分)下列各式中，运算正确的是()A．a6÷a3=a2B．C．D．5．(★)(3分)下列根式中，不是最简二次根式的是()A．B．C．D．6．(★★)(3分)已知a为实数，那么等于()A．a B．-a C．-1D．07．(★★)(3分)已知实数a在数轴上对应的点如图所示，则-的值等于() A．2a+1B．-1C．1D．-2a-18．(★)(3分)已知是正整数，则实数n的最大值为()A．12B．11C．8D．3二、填空题（每题3分，共36分）9．(★★)(3分)化简：=．10．(★)(3分)计算：=2．11．(★★)(3分)使在实数范围内有意义的x应满足的条件是x≥1．12．(★★★)(3分)计算=8-4．13．(★★)(3分)当x≤0时，化简|1-x|-的结果是1．14．(★★)(3分)在实数范围内分解因式：x4-25=．15．(★★★)(3分)若|a-2|++(c-4)2=0，则a-b+c=3．16．(★★★)(3分)已知y=--1，求x+y=2．17．(★★)(3分)若成立，则x满足2≤x＜3．18．(★★★)(3分)下列各式：①3+3=6；②=1；③+==2；④=2，其中错误的有①②③．19．(★★★)(3分)=-1-．20．(★★★)(3分)观察下列各式：…请你将发现的规律用含自然数n(n≥1)的代数式表达出来(n≥1)．三、计算题：（每题6分，共24分）21．(★★★)(6分)．22．(★★)(6分)计算：．23．(★★)(6分)化简：．24．(★★)(6分)计算：-++．四、解答题（每题9分，共36分）25．(★★★)(8分)先化简，再求值：，其中x=+1．26．(★★)(10分)设长方形的长与宽分别为a,b,面积为S．①已知a=cm,b=2cm,求S；②已知S=cm2， b=cm,求a.五．阅读理解：（6分）27．(★★★★)(6分)对于任意不相等的两个数a,b,定义一种运算※如下：a※b=，如3※2=．试求12※4的值．六、综合题（12分）28．(★★★)(6分)阅读下面问题：；；．…试求：(1)的值；(2)的值； (3)(n为正整数)的值．29．(★★★)(6分)计算：(+)2007×(-)2006．。
2024年天津市中考数学模拟预测卷
2024年天津市中考数学模拟预测卷一、单选题1．2024年政府工作报告中指出；2024年城镇新增就业将达12000000人以上，将数据12000000用科学记数法表示应为（ ） A ．80.1210⨯B ．71.210⨯C ．61210⨯D ．512010⨯2 ） A ．4和5之间B ．5和6之间C ．6和7之间D ．7和8之间3．计算()3913-÷-的结果等于（ ） A ．3B ．3-C ．2D ．2-4．若点()1,1A x -，()2,1B x ，()3,5C x 都在反比例函数5y x=-的图象上，则1x ，2x 与3x 的大小关系是（ ） A ．321x x x << B ．213x x x << C ．132x x x <<D ．231x x x <<5．如图，矩形ABCD 中，3AB =，1AD =，AB 在数轴上，若以点A 为圆心，对角线AC 的长为半径作弧，交数轴的正半轴于M ，则点M 所表示的数为（ ）A ．2 B1 C D 16．如图，在直角坐标系中，点A ，B 的坐标分别为()0,2A ，()1,0B -，将ABO V 绕点O 顺时针旋转得到11A B O V ，若1OB AB ⊥，则下列结论中错误的是（ ）A ．11AB O V 的面积为1 B ．1OA AB ∥C ．OA 被11A B 平分D ．点1A 到x 7．已知某商品每件的进价为40元，售价为每件60元，每星期可卖出该商品300件．根据市场调查反映：商品的零售价每降价1元，则每星期可多卖出该商品20件．有下列结论： ①当降价为3元时，每星期可卖360件；②每星期的利润为6120元时，可以将该商品的零售价定为42元或者43元； ③每星期的最大利润为6250元． 其中，正确结论的个数是（ ） A ．3 B ．2C ．1D ．08．计算211a -+的结果等于（ ） A ．0B ．11a a -+ C ．11a + D ．1a a + 9．sin 45cos60cos45︒︒-︒的值等于（ ）A ．BCD 10．如图， 在ABC V 中， AC BC =， 以点A 为中心逆时针旋转ABC V 得到ADE V ， 点B ， C 的对应点分别是点D ， E ， 且AD 平分BAC ∠， BC 交AD 于点F ， 则下列结论一定正确的是( )A ．AB CE ∥ B ．DBC DEC ∠=∠ C ．3BFD CAE ∠=∠ D ．BD CE =11．如图，ABC V 中，5AC =，4BE =，45B ∠=︒分别以点B 和C 为圆心，以大于12BC 的长为半径作弧，两弧相交于点M 和N ；作直线MN ，与边AB 于点E ，则AE 的长为（ ）A ．3B ．4C ．5D ．612．抛物线2y ax bx c =++（a ，b ，c 是常数，0a <）对称轴为直线1x =，与x 轴交于A ，B 两点（点A 在点B 左侧），与y 轴正半轴交于点C ，直线y x c =-+与抛物线2y ax bx c =++交于C ，D 两点，点D 在x 轴下方且横坐标小于3． 有下列结论： ①<0a b c -+； ②20a b c ++>； ③1a <-．其中，正确结论的个数是（ ）A ．0B ．1C ．2D ．3二、填空题13．请将命题“对顶角相等”改写为“如果……，那么……”的形式：． 14．若一个正数的两个平方根是22x -和36x -+，则12x -的立方根为．15．不透明袋子中装有6个球，其中有1个粉色球和5个蓝色球，这些球除颜色外无其他差别．从袋子中随机取出1个球，则它是蓝色球的概率为．16．如图，CAB △，CDE V 均为等腰直角三角形，其中AC BC =，DC EC =，点A ，E ，D 在同一直线，AD 与BC 相交于点F ，G 为AB 的中点，连接BD ，EG ．（1）ADB ∠的度数为．（2）若F 为BC 的中点，且10AB =，则EG 的长为．17．如图，在等边三角形ABC 中，6cm BC =，射线AG BC ∥，点E 从点A 出发，沿射线AG 以1cm/s 的速度运动，同时点F 从点B 出发，沿射线BC 以2cm/s 的速度运动，设运动时间为秒时，以A ，F ，C ，E 为顶点的四边形是平行四边形．18．有一个圆柱形油罐，要以A 点环绕油罐建梯子，正好建在A 点的正上方点B 处，梯子最短需m （已知油罐的底面半径是2m ，高AB 是5m ，π取3）三、解答题19．(1)22433⎛⎫⎛⎫-÷- ⎪ ⎪⎝⎭⎝⎭； (2)解方程：2(21)490x --=．20．解不等式组3121421x x x x +≥-⎧⎨-≤+⎩①②，请结合题意填空，完成本题的解答．(1)解不等式①，得______； (2)解不等式②，得______；(3)把不等式①和②的解集在数轴上表示出来：(4)原不等式组的解集为______．21．在某中学开展的读书活动中，为了解七年级400名学生暑期读书情况，随机调查了七年级部分学生暑期读书的册数．根据调查结果，绘制出如下的统计图①和图②．请根据相关信息，解答下列问题：(1)本次接受调查的学生人数为______，图①中m 的值为______； (2)这组数据的众数和中位数分别为______；求统计的这组数据的平均数； (3)根据统计的样本数据，估计暑期该校七年级学生读书的总册数． 22．已知AB 是O e 的直径，AD DE ，是O e 的弦．(1)如图①，若E 为»AB 的中点，28DAB ∠=︒，求ABD ∠和DAE ∠的大小；(2)如图②，过点D 作O e 的切线交AB 延长线于点C ，连接CE ，若DE 是O e 的直径，AD DC =，2CB =，求CE 的长．23．校庆期间，小南同学从家到学校瞻仰张伯苓校长的雕塑，聆听学校的办校故事．他从家出发后，导航给出两条线路，如图：①A E D M →→→；②A B C M →→→．经勘测，点E 在点A 的北偏西45︒方向D 在点E 的正北方向，点M 在点D 的正东方向90米处，点B 在点E 的正东方向，且在点A 的北偏东30︒方向；点C 在点M 的正东方向B 的北偏西37︒方向．(1)求EB 的长度；（结果保留根号）(2)由于时间原因，小南决定选择一条较短路线到达张伯苓校长的雕塑前，请计算说明他应该选择哪条路线距离更短 1.41≈ 1.73≈，sin37︒取0.6，cos37︒取0.8，tan37︒取0.75）．24．如图，在平面直角坐标系中，已知()0A a ，，(),0B b ，其中a ，b ()230b -=．(1)填空：a =，b =；(2)若在第三象限内有一点()2,M m -，用含m 的式子表示ABM V 的面积；(3)在（2）条件下，线段BM 与y 轴相交于90,10C ⎛⎫- ⎪⎝⎭，当32m =-时，点P 是y 轴上的动点，当满足PBM V 的面积是ABM V 的面积的2倍时，求点P 的坐标．25．如图1，将一个矩形纸片OABC 放置在平面直角坐标系中，点O 0,0 ，点()A ，点C 0,6 ，点D 在边OC 上（点D 不与点O ，C 重合），折叠该纸片，使折痕所在的直线经过点D ，并与直线AB 相交于点F ，且60CDF ∠=︒，点C 的对应点为C '﹒设CD t =．(1)如图2，当折痕经过点B时，求t的值和点C'的坐标；(2)若折叠后的图形为四边形，点B的对应点为B'，B C''与AB边相交于点G，C D'，B C''分别与x轴相交于点H，I，设折叠后四边形DFB C''与矩形OABC重合部分的面积为S．①如图3，当折叠后四边形DFB C''与矩形OABC重合部分为五边形时，试用含有t的式子表示S，并直接写出t的取值范围；②当71723t<<时，直接写出S的取值范围．。
2023中考英语预测押题卷(含答案)
中考英语预测押题卷一、听力选择（共20小题，计20分；每小题约有8秒钟的答题时间）(一) 录音中有五个句子，每个句子听两遍，然后从每小题A、B、C中选出能对每个句子做出适当反应的答语。
1. A. Good job. B. That’s OK. C. Thank you, Mr. Woods.2. A. Bad luck. B. Be careful. C. Sorry, I haven’t.3. A. She is great. B. She is healthy. C. She is good-looking.4. A. Really? B. Good idea. C. Congratulations.5. A. You can take a bus. B. Sorry, I am new here. C. It’s about 2 kilometers from here.（二）录音中有五组对话，听对话两遍后，从每小题A、B、C中选出能回答所给问题的正确答案。
6. What kind of class does the man prefer?A. Gym class.B. Art class.C. Music class.7. Which language does Mr. Black speak best?A. French.B. Chinese.C. Japanese.8. Where does Miss Smith come from?A. Canada.B. America.C. Australia.9. Where does this conversation probably take place?A. In a park.B. In a garden.C. In a supermarket.10. How much will the woman pay if she rents the room for two weeks?A. 50 dollars.B. 100 dollars.C. 160 dollars.（三）录音中有一段对话，听对话两遍后，从每小题A、B、C中选出能回答所给问题的正确答案。
2024年北京市中考数学押题预测试卷
2024年北京市中考数学押题预测试卷一、单选题1．下列几何体中，三视图都是圆的是（ ）A ．B ．C ．D ． 2．2024年5.5G 技术正式开始商用，它的数据下载的最高速率从5G 初期的1Gbps 提升到10Gbps ，给我们的智慧生活“提速”.其中10Gbps 表示每秒传输10000000000 位(bit )的数据. 将10000000000用科学记数法表示应为（ ）A ．110.110⨯B ．10110⨯C ．11110⨯D ．91010⨯ 3．如图，ABCD Y 的顶点A ，B ，C 的坐标分别是()()()0,1,2,2,2,2---，则顶点D 的坐标是（ ）A ．()4,1-B ．()4,2-C ．()4,1D ． 2,14．实数a ，b ，c 在数轴上的对应点的位置如图所示，则下列结论正确的是（ ）A ．a ＞bB ．a + b ＞0C ．bc ＞0D ．a ＜﹣c 5．已知点12(1,),(2,)P y Q y 是反比例函数3y x =图像上的两点，则（ ）A ．120y y <<B ．210y y <<C ．120y y <<D ．210y y << 6．如图，AB 为⊙O 的直径，弦 CD ⊥AB ，垂足为点E ，若 ⊙O 的半径为5，CD =8，则AE 的长为（ ）A．3 B．2 C．1 D7．小明和小刚分别从A、B、C三个组中随机选择一个组参加志愿者活动，假设每人参加这三个组的可能性都相同，小明和小刚恰好选择同一组的概率是（）A．13B．23C．19D．298．如图，一个亭子的地基是半径为4m的正六边形，则该正六边形地基的面积是（）A．224m B．2C．248m D．2二、填空题9有意义，则a的取值范围是．10．分解因式：2818a-=．11．方程43312x x=--的解为.12．已知x2-+m=0有两个不相等的实数根，则m的取值范围是．13．某居民小区共有300户家庭，有关部门对该小区的自来水管网系统进行改造，为此该部门通过随机抽样，调查了其中20户家庭，统计了这20户家庭的月用水量，如下表：根据上述数据，估计该小区300户家庭的月总用水量约为m3．14．如图，若AD 是ABC V 的高线，DBE DAC ∠=∠，BD AD =，120AEB ∠=︒，则C ∠=．15．如图，在ABC V 中，A α∠=，ABC ∠的平分线与ACD ∠的平分线交于点1A 得1A ∠，1A BC ∠的平分线与1ACD ∠的平分线交于点2A ，得2A ∠，…，5A BC ∠的平分线与5A CD ∠的平分线交于点6A ，得6A ∠，则6A ∠=．16．如图，在四边形ABCD 中，AB ＝AD ＝5，BC ＝CD 且BC ＞AB ，BD ＝8．给出以下判断： ①AC 垂直平分BD ；②四边形ABCD 的面积S ＝AC •BD ；③顺次连接四边形ABCD 的四边中点得到的四边形可能是正方形；④将△ABD 沿直线BD 对折，点A 落在点E 处，连接BE 并延长交CD 于点F ，当BF ⊥CD 时，四边形ABCD 的内切圆半径为227．其中正确的是．（写出所有正确判断的序号）三、解答题17．计算：112sin 605⎛⎫-+︒ ⎪⎝⎭． 18．解不等式组： 232113x x x x +≤+⎧⎪+⎨>-⎪⎩ 19．已知320x y --=，求代数式22264693x y x xy y x y-+-+-的值． 20．如图，在Rt ABC △中，90ACB ∠=︒，CD AB ⊥于D ，CE AB ∥，EB CD ∥，连接DE 交BC 于点O ．(1)求证：四边形CDBE 是矩形；(2)如果5AC =，1tan 2ACD ∠=，求BC 的长． 21．小明对某塔进行了测量，测量方法如下，如图所示，先在点A 处放一平面镜，从A 处沿NA 方向后退1米到点B 处，恰好在平面镜中看到塔的顶部点M ，再将平面镜沿NA 方向继续向后移动15米放在D 处（即15AD =米），从点D 处向后退1.6米，到达点E 处，恰好再次在平面镜中看到塔的顶部点M 、已知小明眼睛到地面的距离 1.74CB EF ==米，请根据题中提供的相关信息，求出小雁塔的高度MN （平面镜大小忽略不计）22．在平面直角坐标系xOy 中，一次函数()0y kx b k =+≠的图象由正比例函数y x =的图象向上平移2个单位长度得到．(1)求这个一次函数的解析式；(2)当1x >-时，对于x 的每一个值，正比例函数()0y ax a =≠的值小于一次函数()0y kx b k =+≠的值，直接写出a 的取值范围．23．为弘扬民族精神，传播传统文化，某县教育系统将组织“弘扬传统文化，永承华夏辉煌”的演讲比赛．某校各年级共推荐了19位同学参加初赛（校级演讲比赛），初赛成绩排名前10的同学进入决赛．(1)若初赛结束后，每位同学的分数互不相同．某同学知道自己的分数后，要判断自己能否进入决赛，他只需知道这19位同学成绩的_____；（填：平均数或众数或中位数）(2)若初赛结束后，这19位同学的成绩如下：2号选手笑着说：“我的成绩代表着咱们这19位同学的平均水平呀！”14号选手说：“与我同分数的选手最多，我的成绩代表着咱们这19位选手的大众水平嘛！” 请问，这19位同学成绩的平均数为______，众数为______；(3)已知10号选手与15号选手经常参加此类演讲比赛，她俩想看看近期谁的成绩较好、较稳定，她俩用近三次同时参加演讲比赛的成绩计算得到平均分一样，10号选手的方差为0.5，15号选手的方差为0.38．你认为______号选手的成绩比较稳定．24．如图，AB 是O e 的直径，AC 是弦，D 是»AB 的中点，CD 与AB 交于点E ，F 是AB 延长线上的一点，且CF EF =．(1)求证：CF 为O e 的切线；(2)连接BD ，取BD 的中点G ，连接AG ．若4CF =，1tan 2BDC ∠=，求AG 的长． 25．如图1，排球场长为18m ，宽为9m ，网高为2.24m ．队员站在底线O 点处发球，球从点O 的正上方1.9m 的C 点发出，运动路线是抛物线的一部分，当球运动到最高点A 时，高度为2.88m ．即BA ＝2.88m ．这时水平距离OB ＝7m ，以直线OB 为x 轴，直线OC 为y 轴，建立平面直角坐标系，如图2．（1）若球向正前方运动（即x 轴垂直于底线），求球运动的高度y （m ）与水平距离x （m ）之间的函数关系式（不必写出x 取值范围）．并判断这次发球能否过网？是否出界？说明理由；（2）若球过网后的落点是对方场地①号位内的点P （如图1，点P 距底线1m ，边线0.5m ），问发球点O 1.4）26．已知二次函数()2430y ax ax a =-+≠．(1)求该二次函数的图象与y 轴交点的坐标及对称轴．(2)已知点()()()()12343,1,12,,,,,y y y y --都在该二次函数图象上，①请判断1y 与2y 的大小关系：1y 2y （用“>”“=”“<”填空）；②若1y ，2y ，3y ，4y 四个函数值中有且只有一个小于零，求a 的取值范围．27．在ABC V 中，D 是BC 的中点，且90≠︒∠BAD ，将线段AB 沿AD 所在直线翻折，得到线段AB '，作CE AB ∥交直线AB '于点E ．(1)如图，若AB AC >，①依题意补全图形；②用等式表示线段,,AB AE CE 之间的数量关系，并证明；(2)若AB AC <，上述结论是否仍然成立？若成立，简述理由：若不成立，直接用等式表示线段,,AB AE CE 之间新的数量关系（不需证明）．28．如图，(1)【提出问题】将一次函数24y x =-+的图象沿着y 轴向下平移3个单位长度，所得图象对应的函数表达式为______；(2)【初步思考】将一次函数24y x =-+的图象沿着x 轴向左平移3个单位长度，求所得图象对应的函数表达式，数学活动小组发现，图象的平移就是点的平移，因此，只需要在图象上任取两点(04)A ，，(20)B ，，将它们沿着x 轴向左平移3个单位长度，得到点A '，B '的坐标分别为______，从而求出经过点A '，B '的直线对应的函数表达式为______；(3)【深度思考】已知一次函数24y x =-+的图象与y 轴交于点A ，与x 轴交于点B ． ①将一次函数24y x =-+的图象关于x 轴对称，求所得图象对应的函数表达式； ②如图①，将直线24y x =-+绕点A 逆时针旋转60o ，求所得图象对应的函数表达式； ③如图②，将直线24y x =-+绕点A 逆时针旋转45︒，求所得图象对应的函数表达式．。
甘肃省普通高中学2024年中考押题语文预测卷含解析
甘肃省普通高中学2024年中考押题语文预测卷注意事项1．考试结束后，请将本试卷和答题卡一并交回．2．答题前，请务必将自己的姓名、准考证号用0．5毫米黑色墨水的签字笔填写在试卷及答题卡的规定位置．3．请认真核对监考员在答题卡上所粘贴的条形码上的姓名、准考证号与本人是否相符．4．作答选择题，必须用2B铅笔将答题卡上对应选项的方框涂满、涂黑；如需改动，请用橡皮擦干净后，再选涂其他答案．作答非选择题，必须用05毫米黑色墨水的签字笔在答题卡上的指定位置作答，在其他位置作答一律无效．5．如需作图，须用2B铅笔绘、写清楚，线条、符号等须加黑、加粗．一、积累与运用1．下列句子没有语病．．．．的一项是（）A．为了提高同学们的语文素养，我校团委积极开展“在阅读中成长”。
B．通过阅读《青铜葵花》《根鸟》等作品，我了解到曹文轩是一位关注少年心灵的作家。
C．辛弃疾和陈同甫是好朋友，两人志同道合，他给他写了一首词。
D．《经典咏流传》用“和诗以歌”的方式演绎经典诗词，导致了文化节目的新风尚。
2．下列词语中没有错别字的一项是（）A．湍急派谴协奏曲翘首以待好事多魔B．梗概丰硕博览会断章取意语无伦次C．诚肯横幅和氏壁如数家珍风餐露宿D．侥幸斑斓元宵节洗耳恭听冠冕堂皇3．填入下面横线上的句子，排列顺序最恰当的一项是（）商务印书馆创始人张元济先生有一句简单而朴素的话：“天下第一件好事还是读书。
”。
①从个人角度而言，腹有诗书气自华。
②从国家层面来说，倡导全民阅读提升整个民族的素质。
③历史证明，全世界一步步从野蛮走向文明，无不是建立在知识的积累之上。
④的确，读书可以明理，阅读铸就灵魂。
A．①④②③B．③①②④C．④①②③D．④②③①4．下列句子中加点词语有错别字的一项是( )A．它们面容清秀，眼睛闪闪有光，身体骄健．．，四肢轻快，非常敏捷。
B．浩浩荡荡的长江大河，有时流到很宽阔的境界，平原无际，一泻千里．．．．。
C．篝火渐渐化作一轮火红的朝阳，夜幕中的草地又迎来了彩霞绚丽．．的一天。
人教版2024年中考语文押题预测试卷及答案
语文试题 第1页（共20页） 语文试题 第2页（共20页）人教版2024年语文中考押题预测试卷及答案（满分：120分 时间：150分钟）一、积累与运用(20分)班级开展以“陪伴”为主题的学习活动，小雨和小雯特邀你参与。
1.(2分)小雨的学习从朗读开始，请你选出下面语句朗读处理不合适的一项（ ）A.朗读要读准字音，小雨这样读加点的字：当你沐浴．（yù）后，湿发披在两肩，穿过金色花的林阴．（yīn），走到做祷．（dǎo）告的小庭院时，你会嗅到这花香，却不知道这香气是从我身上来的。
B.小雨想展示“我”无比悔恨的心情，他这样处理重音：看着三轮车远去，也绝．没有想到那竟．是永远的诀别。
C.小雨想表现“我”矛盾的心理，他这样处理语调(“↗”“↘”“→”分别表示语调的上扬、下降和延长)：我想拆散一家人，分成两路，各得其所↘，终→不愿意↗。
D.小雨希望读出诗人对幸福自由生活的向往以及对这种幸福生活必将到来的坚信不疑，他这样处理节奏：那隔着河的/牛郎织女，/定能够/骑着牛儿/来往。
/我想/他们此刻，/定然在/天街/闲游。
2.(2分)陪伴让人不再孤单。
小雯写了个“单”字，请你分别加上偏旁组成新的汉字，填入相应方框内。
A.金□脱壳B.鸡毛□子C. □精竭虑D.□食壶浆 3.(2分)人们常用“鱼水之交”来形容刘备与诸葛亮之间的亲密关系。
小雨看到南阳卧龙岗武侯祠有一副楹联，觉得联中两个词“启”和“佐”值得反复吟咏。
请你将这两个词还原到楹联中。
上联：纵论三分天下，审势画策□先主 下联：长怀一统江山，辅国连治□后人4.(3分)在下面横线处续写两个句子，使之与前后文构成一组排比句。
陪伴，如春风拂面，轻柔而温暖； ， ；， ；如冬雪纷飞，纯净而静谧。
它用不离不弃的坚守，诠释了什么是情深意长；它用始终如一的相随，演绎了什么是风雨同舟。
陪伴，是生命中最美的风景，是心灵深处最真的情愫。
5.（3分）下列句子组成语段，顺序排列正确的一项是（ ）①都说陪伴是最长情的告白②它无情地检验爱情，凶狠地喜新厌旧 ③陪伴是最好的爱④时间是世界上最温柔的洪水猛兽⑤爱一个人不是谁说了算，而是能不能一世相伴 ⑥可以抵世间所有的坚硬，温暖生命所有的岁月 ⑦的确，世上最好的爱，是陪伴A.①②④⑤⑥⑦③B.②①⑦⑥④⑤③C.③⑥①⑦④②⑤D.⑦②⑥③①④⑤6.(8分)小雯以“陪伴”为主题辑录了一组古诗词。
2024届四川省成都市青羊区成都石室中学中考押题语文预测卷含解析
2024届四川省成都市青羊区成都石室中学中考押题语文预测卷考生请注意：1．答题前请将考场、试室号、座位号、考生号、姓名写在试卷密封线内，不得在试卷上作任何标记。
2．第一部分选择题每小题选出答案后，需将答案写在试卷指定的括号内，第二部分非选择题答案写在试卷题目指定的位置上。
3．考生必须保证答题卡的整洁。
考试结束后，请将本试卷和答题卡一并交回。
一、积累与运用1．下列词语中没有错别字的一项是A．讪笑布署增值税徇私舞弊意气相投B．剽悍迄今传讯室毛骨耸然拈轻怕重C．毕竟包裹浏览器冲耳不闻病入膏肓D．憔悴邂逅冰激凌怦然心动断壁残垣2．依次填入下面一段文字横线处的语句，衔接最恰当的一组是( )深度学习，也叫深层学习，指学习者，，，，且能将已有的知识迁移到新的情境中的一种学习。
①并将它们融入原有的认知结构中②积极主动、批判性地学习新的知识和思想③基于理解，以高级思维的发展和实际问题的解决为目标④以整合的知识为内容A．②①③④B．③④②①C．①②④③D．④②③①3．下列词语中没有错别字的一组是（）A．撺掇山麓摩肩接踵穷兵渎武B．斡旋睥睨轻歌曼舞目炫神迷C．黧黑羁绊坦荡如坻殚精竭虑D．诡谲猥琐哗众取宠长途跋涉4．下列句子中加点成语使用有误的一项是（）A．有些人一旦患得患失．．．．，就不愿再冒风险放手一搏。
B．王小波是当代较有影响的作家，他的杂文对社会时弊的议论更是惟妙惟肖．．．．。
C．如果能够掌握科学的学习方法，就会收到事半功倍．．．．的效果。
D．听了他这番告白后，大伙儿面面相觑．．．．，不知怎么应对才好。
5．将相关词语依次填入下面文段横线处，最恰当的一组是（）家风，是一个家庭或家族长期以来形成并的道德操守和处世方法。
家风中蕴藏着先人所的价值理念和道德规范，也包含着简单朴素的为人。
千百年来，家风在一个个家庭里承载、延续，奠定了整个民族文明的基础。
A．传播恪守规则B．传承保守规则C．传承恪守准则D．传播保守准则6．综合运用我校开展“走近最美古诗文”语文实践活动，请你完成以下任务。
2024学年辽宁省锦州市第七中学中考押题语文预测卷含解析
2024学年辽宁省锦州市第七中学中考押题语文预测卷考生请注意：1．答题前请将考场、试室号、座位号、考生号、姓名写在试卷密封线内，不得在试卷上作任何标记。
2．第一部分选择题每小题选出答案后，需将答案写在试卷指定的括号内，第二部分非选择题答案写在试卷题目指定的位置上。
3．考生必须保证答题卡的整洁。
考试结束后，请将本试卷和答题卡一并交回。
一、积累与运用1．把下列句子组合成语序合理、语意连贯的一段语，最恰当的一项是( )①而且这种现象越来越低龄化②但是互联网时代，汉字却陷入有声无形的窘境③汉字承载了中华民族的文明和智慧④专家学者认为：汉字对智力的开发有巨大作用；认识的汉字越多，联想就越丰富⑤其兼备象形和表意的特点及蕴含的思想和文化内涵是任何科技也无法模拟和取代的⑥现在越来越多的人出现提笔忘字的现象A．③⑥①⑤④②B．③⑤④②⑥①C．⑥①②③④⑤D．⑥②①④③⑤2．下列词语中,字形和加点字的注音完全正确的一项是( )A．澄．澈(chéng)哂．笑(shěn)戛．然而止(gā)B．诘．责(jié) 愧作．(zuò) 龙吟凤哕．(huì)C．取缔．(dì) 气氛．(fēn) 栩．栩如生(xǔ)D．威摄．(shè) 琐屑．(xiè) 如坐针毡．(zhān)3．下列各组词语中加点字的书写或注音有误的一项是（）A．麾．下颦．蹙（pín）自出心．裁（xīn）屏．气凝神B．鹰隼．嗔．视（chēn）寻幽揽．胜（lǎn）如释．重负C．嫡．传褶．皱（zhě）莫名．其妙（míng）拈．轻怕重D．磕．绊葳蕤．（ruì）荒谬绝伦．（lún）不可思异．4．下列关于文学文化常识的说法正确的一项是（）A．风骚，本指《诗经》里的《国风》和《楚辞》中的《离骚》，后来泛指文章辞藻；《乐府诗集》中的诗是配乐的歌词，按照所配乐曲的性质分为风、雅、颂三类，其中“颂”是祭祀乐歌，用于宫廷宗庙祭祀。
黑龙江省哈尔滨香坊区五校联考2024届中考押题英语预测卷含答案
黑龙江省哈尔滨香坊区五校联考2024届中考押题英语预测卷含答案注意事项1．考生要认真填写考场号和座位序号。
2．试题所有答案必须填涂或书写在答题卡上，在试卷上作答无效。
第一部分必须用2B 铅笔作答；第二部分必须用黑色字迹的签字笔作答。
3．考试结束后，考生须将试卷和答题卡放在桌面上，待监考员收回。
Ⅰ. 单项选择1、A lot of trees _____ around here every year, and we can enjoy fresher air now.A．were planted B．are planted C．will plant D．are planting2、－Why don't you buy the computer? －It's too expensive. I can't _________ it.A．afford B．sell C．borrow D．keep3、The man with a black hat was seen the shopping mall just now.A．enter B．entering C．entered D．to enter4、How sad! __________ Ethiopian Airlines（埃航）plane crashed shortly after takeoff, killing all on board __________ the morning of March 10, 2019 local time.A．A; on B．An; on C．A; in D．An; in5、―WeChat has made a great d ifference to people's life.―. We can use it to communicate with others easily.A．Completely B．Possibly C．Probably D．Exactly6、--What are you going to do after the exams to Senior High School?---I am going to _____________ for vacation.A．somewhere exciting B．interesting somewhereC．anywhere quiet D．everywhere funny7、We must make full use of our valuable time to review lessons in the following days. It is important to study in the right ways. We should avoid______.① listening to teachers carelessly② having a rest as often as possible③ sleeping in class④ writing down the important points and review them after class⑤ practicing more with our teachers or classmatesA．①③⑤B．②④⑤C．①②③8、--May I go out and play this afternoon?--No, you _____. Work comes firstA．needn’t B．mustn’t C．won’t D．don’t9、－Where is your uncle? I haven't seen him for a long time.－He Beijing for about half a year. He moved there Last November.A．has gone to B．has been to C．has arrived in D．has been in10、--Nowadays, many people call themselves “Buddha-like youngsters(佛系青年)”.--Yes. But I think we shouldn’t just accept life for what it is. _______, we should set a goal and try our best to achieve it.A．Instead B．Just C．Once D．EvenⅡ. 完形填空11、Do you feel like you worry too much about every little thing? Are you 1 that you don't live a happy life?The 2 people take things one day at a time. They teach themselves 3 to stop worrying. They also teach themselves to keep calm and 4 in the face of life's little ups and downs.How can you stop worrying? Y ou should make a（an） 5 today. If you always 6 problems that happened in the past, you will feel down. You should decide to forgive and 7 anybody who has hurt you in any way. Think about the 8 and where you are going. Life is too short and you need to love yourself.How do you really live one day at a time? Forget the things in the past that you cannot 9 . Don't worry about what might 10 in the future. 99%of the things that you worry about will never happen.1．A．lucky B．worried C．glad D．proud2．A．richest B．poorest C．happiest D．worst3．A．how B．who C．where D．when4．A．busy B．amazed·C．relaxed D．bored5．A．way B．idea C．plan D．decision6．A．run after B．think of C．look after D．look up7．A．forget B．thank C．visit D．teach8．A．month B．day C．future D．world9．A．give B．change C．find·D．see10．A．have B．turn C．become D．happenⅢ. 语法填空12、Just like football, basketball is one of the 1．(popular) sports in the world.The game of the basketball2．(go) a long way since its first game on December 21, 1891. At the beginning the game wasn’t played very 3．(wide ),because students played 4．game inside when the weather outside became too cold for sports. Now basketball 5．(play) in many different countries around the world. Fans of basketball love playing the games in all seasons---spring, summer, fall, winter.Ⅳ. 阅读理解13、Hello, I'm Zheng Yishi from Shanghai. I'm 15 years old. I study at Walsh Jesuit High School in Cleveland, Ohio, US.I Like reading, traveling and listening to music. I'm glad to share my experience with you.Have you ever wondered what PE classes are like in other countries? In China, PE tests are required to graduate from both middle school and high school. To get good grades on the PE tests, Chinese students will need to practice running as well as doing sit-ups and pull-ups. However, this is not the way that PE classes work in US high schools.In my high school, we are required to take two terms of PE to graduate. We play real sports during PE classes, such as basketball and volleyball. There are also some other typical American sports that we often play, such as kickball and dodgeball(躲避球).I didn't know the rules of kickball and dodgeball when I first came to the US. The teacher allowed me to sit on the sidelines and watch how other students played it in order to let me find out the rules.We also learn some useful life skills in PE. Last year, I learned how to do CPR(心肺复苏), which is a life-saving skill. We were also taught how to provide first aid to someone who is choking(窒息).These skills are a large part of the final grade for the PE class in my high school. Self-defense(自卫)is taught in PE class as well. This includes some tae kwondo(跆拳道)and karate(空手道) skills, as well as Chinese kung fu. It is practical. I prefer PE classes in the US to the ones in China. I think they are more fun and useful. What do you think?1．The writer learned the rules of kickball and dodgeball through ·A．a teacher's instruction B．watching others playC．playing the sport herself D．watching online videos2．Which of these things did the writer NOT learn about in PE classes at Welsh Jesuit High School?A．How to play sports. B．Life–saving skills.C．Self-defense skills. D．How to treat burns.3．The story is written to .A．introduce the writer's favorite sportsB．explain what US PE classes are likeC．show why US students don't like PE classesD．suggest that China should change its PE classes14、A● Attraction- - RoadRiver1．There are ______ attractions in the map.A．12 B．13 C．14 D．152．The Slender West Lake is to the ______ of He Garden.A．northwest B．southwest C．northeast D．southeast3．The mark of ① means “_____”.A．house B．lake C．hill D．bridgeC15、Many people like cooking but never have much time for it. Helen Fry's new book Quick Cooking has been specially written for busy people. It has over 1,000 ways to cook dishes. The book is well written and the photographs and the drawings are clear. The book has a strong plastic cover. It is easy to find your way around it, too. And busy people, notice this! Mrs. Fry tells you how much time you need in order to get each dish ready.Quick Cooking has four parts, one for each season. This helps you to use fresh fruit and vegetables when they are cheaper and, of course, better. There are a lot of exciting ideas from foreign countries, and most of the ways are not complicated(复杂的). You take something simple like a chicken or some cheese, and make an unusual dish out of it. For example, there are no fewer than 40 ways for cooking eggs! The beginner will have to find out a lot of things for him to try many of the ways as soon as he reads them. For people with little spare time, Helen Fry's Quick Cooking is of excellent value.1．The writer writes this short passage in order to _________.A．make you like cookingB．let you know the book Quick CookingC．help you to cook eggsD．teach you cooking2．Helen Fry's book is called Quick Cooking because _________.A．none of the dishes are complicatedB．there are over l000 ways to cook dishes in itC．it is written for people who don't have much timeD．it tells you how to cook all kinds of food quickly3．Busy people should pay more attention to the point that________.A．it is easy to find your way around the bookB．how long each dish takes to cookC．there are photographs and drawings in this bookD．the book has a strong cover4．"It is easy to find your way around it too." means _________.A．it is easy to find things around the bookB．it is easy to find things in the supermarket to prepare the food in the bookC．it is easy to find the ways you want to cook dishes in the bookD．it is easy to find the cover of the bookD16、阅读理解。
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2013学年物理中考预测试卷(四)（满分100分时间70分钟）命题人：杜康审核：祝富第一卷选择题（共39分）一．选择题（共13小题39分）1．（2011•孝感）一瓶酒精用去一半，则剩下的酒精（）A．比热容减半B．热值减半C．密度减半D．质量减半2．（2011•广州）以下说法正确的是（）A．半导体具有良好的导电性能B．超导体是一种电阻很大的材料C．纳米技术是大尺度范围内的科学技术D．超导材料用于输送电力可以降低电能损耗3．一根纱线容易拉断，一根铜丝不容易拉断，这个现象说明了（）A．纱线内分子不存在引力，铜丝分子间只有引力B．纱线内分子间只存在斥力，铜丝分子间不存在斥力C．纱线内分子间的引力比斥力小，铜丝分子间引力比斥力大D．纱线内分子间相互作用力比铜丝间相互作用力小4．（2012•义乌市）如图所示，光滑的地面上有一足够长的木板，在木板的右端固定着一个滑轮（不计绳与滑轮间的摩擦），木板上面放置一个小木块，小木块一端连接着弹簧测力计．当拉力F为5牛时，木板向右做匀速直线运动，然后把拉力增大到10牛时，下列分析正确的是（）A．弹簧测力计的示数为20牛B．弹簧测力计的示数为0牛C．木板仍向右做匀速直线运动D．小木块将保持静止5．（2012•益阳）如图所示，在已调节水平位置平衡的杠杆的左边挂一个钩码，下列操作中能使杠杆在水平位置重新平衡的是（）A．在位置2挂6个相同的钩码B．在位置4挂2个相同的钩码C．在位置4挂4个相同的钩码D．在位置6挂2个相同的钩码6．（2012•威海）在一根表面涂蜡的细木棍的一端绕着适量的铁丝，把它放到甲乙丙三种密度不同的液体中，木棍浸入液体里的情况如图所示，则木棍在三种液体里受到的浮力F的大小及三种液体密度ρ之间的关系，正确的是（）A．F甲＞F乙＞F丙ρ甲＞ρ乙＞ρ丙B．F甲＜F乙＜F丙ρ甲＜ρ乙＜ρ丙C．F甲=F乙=F丙ρ甲＞ρ乙＞ρ丙D．F甲=F乙=F丙ρ甲＜ρ乙＜ρ丙7．（2008•天津）用弹簧测力计称得容器和水的总重为5N （如图甲所示）．将体积为10cm3的物体A全部投入水中，弹簧测力计的示数T1为0.4N （如图乙所示）．若将容器、水和浸没水中的物体A用弹簧测力计一起称量（如图丙所示），弹簧测力计的示数为T2．则（）A．浸没水中的物体A所受浮力为0.1NB．浸没水中的物体A所受浮力为0.4NC．弹簧测力计的示数T2为5.5ND．弹簧测力计的示数T2为5.1N8．（2012•黄石）一个半径为5m的圆形蓄水池装满水，水面和地面相平，在池中心正上方离水面3m高处吊着一盏灯，一个人站在岸边，他的眼睛距地面的高度为1.8m，则他要看到灯在水中所成的像，人到岸的距离不能超过（）A．1m B．2m C．3m D．4m9．（2012•娄底）玩“过山车”是一项非常惊险刺激的娱乐活动．如图所示，过山车时而从轨道的最低点D 上升到最高点A ，时而从最高点A 飞驰而下．过山车在运动过程中，若不计能量损失，只有动能和势能的相互转化． 下列说法正确的是（ ） A ．A 点机械能小于B 点机械能 B ．D 点动能最大，A 点势能最大 C ．D 点动能最大，A 点机械能最大 D ．A 点势能最大，机械能最大10．（2011•遵义）如图所示，电源电压恒定，当S 接a 时，电流表A 1与A 2的示数之比为3：5；当S 接b 时，电流表A 1与A 2的示数之比为2：3，则R 2与R 3的电阻之比为（ ）A ．9：10B ．4：3C ．3：4D ．5：211．（2012•泰安）在如图所示的电路中，当闭合开关S 后，发现两灯都不亮，电流表的指针几乎指在零刻度线，电压表指针则有明显偏转．经检查除小灯泡外，其余器材的连接良好，造成这种情况的原因可能是（ ） A ．灯泡L 2短路 B ．灯泡L 2断路 C ．灯泡L 1断路D ．两个灯泡都断路12．（2012•重庆）如图所示是A 、B 两定值电阻的U-I 图象，由图象中信息可知（ ）A ．若将A 、B 两电阻串联在某电源两端，则B 两端的电压大 B ．若将A 、B 两电阻串联在某电源两端，则B 的实际功率大C ．若将A 、B 两电阻并联在某电源两端，则通过A 的电流大D ．若将A 、B 两电阻并联在某电源两端，则A 的实际功率小13．（2012•宁波）下列电路图中，开关S 闭合后，两个电阻并联的是（ ）A ．B ．C ．D ．第二卷 非选择题 （共61分）二．填空题（共6小题 22分）14．（2010•沈阳）将蜡块磨碎放入试管中加热，蜡吸热后逐渐变软、变稀，直至完全变成液态．在此过程中，它的温度不断升高，由此可知蜡是 ________（填“晶体”或“非晶体”）．停止加热后，液态蜡的温度逐渐降低，它的内能逐渐________（填“变大”、“变小”或“不变”）． 15．工人用如图所示的滑轮组将重为1200N 的建筑材料从地面上匀速运到高20m 的楼上，耗时5分钟，手竖直向上的拉力是500N ，在这个过程中，工人做功的功率为________W ，滑轮组的机械效率是________．16．（2010•厦门）如图是一款人脸识别门禁一体机，通过摄像镜头捕捉人脸信息，并将所拍图象与系统教据库中预先录入的人脸照片模板进行比对．该摄像镜头相当于________透镜，若要拍摄镜头前1m 处的人脸．它的焦距应小于________cm ．17．（2012•益阳）在如图电路中，电源电压为6V ，R 1=4Ω，闭合开关S后，电压表读数为2V ，则电流表的示数为________A ，电阻R 2的阻值为________Ω．18．（2012•无锡）某电饭锅设有“加热”和“保温”两档，其内部简化电路如图所示，当开关S 置于“1”档时，电饭锅处于________（选填“加热”或“保温”）状态；若电饭锅保温相加热时总功率之比为1：50，则电阻R和R1的比值为________19．（2012•漳州）标有“220V 100W”的电灯正常工作10h ，消耗电能________kW•h ．三．作图题（共3小题 6分）20．（2012•营口）画出能使图中两个通电螺线管相互排斥的电路图， 并标出两个螺线管的N 极．21．（2012•宜宾）如图所示是利用杠杆撬起一质材均匀的球形石头 的情景，O 是支点．请在图中画出石头的重力示意图以及重力和力 F 的力臂并分别用字母L 1和L 2表示．22．（2012•锦州）如图所示，一束光线斜射入空容器中，在P 处 形成一光斑．当向容器中加水至MN 时，请在图中画出光斑所在的 大致位置P′（保留作图痕迹）．四．计算题（共2小题12分）23．（2012•梧州）小明健身用的拉力器结构如图所示．他用300N的拉力向下匀速拉动拉杆，使体积为3×10-3m3、质量为24kg的配重块在2s内升高40cm． g取10N/kg．求：（1）配重块的重力；（2）配重块的密度；（3）此过程中拉力器的机械效率．24．（2012•通辽）小明家有一种电饭锅，它有加热和保温两种工作状态，（由机内温控开关S0自动控制），从说明书上收集到如下数据与如图所示的原理电路图．额定电压220V加热时功率800W保温时功率44W（1）请说出该电饭锅何时处于保温状态；（2）试求R1和R2的阻值；（3）当电饭锅正常加热15min后，小明家的电能表的表盘示数从329.4kW•h会变成多少？五．实验探究题（共3小题21分）25．古希腊学者亚里士多德认为：如果要使一个物体持续运动，就必须对它施加力的作用．而伽利略则认为：运动的物体并不需要力来维持．到底谁说得对呢？为了探究这个问题，小明和同学们设计了如图所示的实验．（1）为了研究小车在不同的阻力作用下，速度的变化情况，小明在实验中是如何让小车受到不同阻力的？________________________________________（2）为了探究阻力对运动的影响，实验时应控制________保持不变，你认为小明是如何做到这一点的？________________________________________．（3）请将小明在本实验中的结论填写完整：在较平滑木板上运动时，小车运动的距离较________速度减小得较________．这是因为小车受到的阻力较________的缘故．（4）根据小明的结论，你能推理出小车不受阻力，将做________运动．26．（2011•青岛）回顾实验和探究：（将下列实验报告中的空缺部分填写完整）（1）探究凸透镜成像规律：过程步骤实验中，小于调整蜡烛烛焰、凸透镜、光屏的中心大致在同一高度，将点燃的蜡烛先后放在a、b、c、d、e各点，移动光屏，在光屏上寻找清晰的像．他发现：在________点成像最大，在________点得不到像．表格物距u像的大小像的倒正像的虚实u＞2f 缩小倒立实像2f＞u＞f放大实像u＜f 放大正立虚像（2）探究平面镜成像特点：器材两只相同的蜡烛a和b、刻度尺、玻璃板．方法用蜡烛b与a所成的像完全重合，从而得到像与物大小相等，这里运用的是________法．现象结论移走蜡烛b，在此位置换上光屏，发现不能在光屏上得到像，这说明平面镜成________像．（3）探究影响蒸发快慢的因素：过程步骤如图，相同环境下，在两块铁片上各滴上一滴等量的酒精，将其中一滴摊开，过一段时间后发现，的那滴酒精先变干了．方法上述过程中滴等量的酒精，运用的是________法．结论上述实验说明：相同条件下，液体的________越大，液体蒸发得越快．27．（2012•桂林）小明用图1所示的电路探究“电阻上的电流跟两端电压的关系”，图2是小明未完成连接的实验电路．（1）电压表应选择________的量程；现要求滑动变阻器滑片向左移动时，电流表示数增大．请你按照对电压表量程的选择和对滑动变阻器连接的要求，用笔画线代替导线，完成图2中实验电路的连接．（2）小明按要求正确连接电路后，闭合开关，发现电压表指针偏转到满刻度的位置．其原因可能是________________________________（写出一个）（3）小明在实验中通过调节滑动变阻器滑片，测出通过电阻R的不同电流和对应的电压值，如下表所示．U（V）0.5 1.0 1.6 1.9 2.5 3.0I（A）0.1 0.2 0.3 0.4 0.5 0.6①请根据表中数据在图3中画出电阻R的U-I关系图象．②小明在实验中所用电阻R的阻值为________Ω；当通过的电流为0.5A时，电阻R 消耗的电功率为________W．（4）如果将实验电路中的电阻R更换成一个额定电压为3.8V、阻值约为10Ω的小灯泡后，要进行“测量小灯泡的额定电功率”的实验，则对实验电路还必须进行怎样的改动：________________________________________。