绵阳市2006中考
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南充市二00六年高中阶段学校招生统一考试数 学 试 卷(满分100分,考试时间90分)一、选择题(本大题共8个小题,每小题2.5分,共20分)以下每小题都有代号为A 、B 、C 、D 的四个答案选项,其中只有一个是正确的,请把正确选项的代号填在相应的括号内.填写正确计2. 5分,不填、填错或填出的代号超过一个记0分.1.下列式子中与()2a -计算结果相同的是( )()()12224244. . . . A a B a a C a a D a a --∙÷∙---2,下列图形中,能肯定12∠>∠的是( )3.已知a <0,那么2a 可化简为( )A. -aB. aC. -3aD.3a4.等腰三角形的底和腰是方程x 2-6x+8=0的两根,则这个三角形的周长为( ) A.8 B.10 C.8或10 D.不能确定5.某车间6月上旬生产零件的次品数如下(单位:个): 0,2,0,2,3,0,2,3,1,2,则在这10天中该车间生产零件的次品数的( ) A.众数是4 B.中位数是1.5 C.平均数是2 D.方差是1.256.如图,矩形ABCD 中,BE ⊥AC 于F ,E 恰是CD 的中点,下列式子成立的是( )2222222211. .2311. .23A BF AF B BF AF C BF AF D BF AF ==><7.二次函数22,,04y ax bx c b ac x y =++===-且时则( ) A .=4y -最大, B.=4y -最小, C.=3y -最大, D.=3y -最小,8.如图,底面半径为1,母线长为4的圆锥,一只小蚂蚁若从A 点出发,绕侧面一周又回到A 点,它爬行的最短路线长是( )A.2π,二、填空题(本大题共4个小题,每小题2.5分,共10分) 将答案直接填在题中横线上.9.若不等式-3x+n>0的解集是x<2,则不等式-3x +n <0的解集是_____________10.如果αβ、是一元二次方程23 1 0x x +-=的两个根,那么2+2ααβ-的值是___________ 11.如图,PA 切圆O 于A ,OP 交圆O 于B ,且PB=1,影部分的面积S=____________.12.老师给出一个函数,甲、乙各指出了这个函数的一个性质: 甲:第一、三象限有它的图象;乙:在每个象限内,y 随x 的增大而减小.请你写一个满足上述性质的函数______________________ 三、(本大题共2个小题,每小题6分,共12分) 13.计算:265222x x x x -⎛⎫÷-- ⎪--⎝⎭14.有规律排列的一列数:2,4,6,8,10,12,… 它的每一项可用式子2n (n 是正整数)来表示.有规律排列的一列数:1,-2,3,- 4,5,-6,7,-8,… (1)它的每一项你认为可用怎样的式子来表示? (2)它的第100个数是多少?(3) 2006是不是这列数中的数?如果是,是第几个数? 四、(本大题共2个小题,每小题8分,共16分) 15.已知:如图,OA 平分,1 2.BAC ∠∠=∠ 求证:△ABC 是等腰三角形.16 A 、B 两城铁路长240千米,为使行驶时间减少20分,需要提速10千米/时,但在现有条件下安全行驶限速100千米/时,问能否实现提速目标. 五、(本大题共2个小题,每小题8分,共16分)17.如图,湖中有建筑物AB ,某人站在建筑物顶部A 在岸上的投影处C ,发现自己的影长与 身高相等.他沿BC 方向走30 m 到D 处,测得顶部A 的仰角为300.求建筑物AB 的高.18.学校计划购买40支钢笔,若干本笔记本(笔记本数超过钢笔数).甲、乙两家文具店的标价都是钢笔10元/支,笔记本2元/本,甲店的优惠方式是钢笔打9折,笔记本打8折;乙店的优惠方式是每买5支钢笔送1本笔记本,钢笔不打折,购买的笔记本打7.5折,试问购买笔记本数在什么范围内到甲店更合算。
2024-2025学年四川省绵阳市道德与法治中考测试试题及解答班级:________________ 学号:________________ 姓名:______________一、单项选择题(本大题有12小题,每小题4分,共48分)1、2023年11月21日,《国家创新指数报告2022—2023》显示,中国创新能力综合排名上升至世界的第几位?A. 8B. 10C. 12D. 20答案:C解析:本题考察的是对《国家创新指数报告》内容的了解。
根据报告,中国在2022—2023年的创新能力综合排名中,已经上升至全球的第12位,显示出中国在科技创新领域的显著进步。
因此,正确答案是C选项。
2、下列关于改革开放的说法,正确的是?A. 改革开放是推动人类社会向前发展的重要力量B. 改革开放是民族振兴、社会进步的基石C. 改革开放是决定当代中国命运的关键抉择D. 改革开放是当代中国最鲜明的特色答案:C、D解析:本题考察的是对改革开放重要性和地位的理解。
A选项错误,因为改革开放虽然对中国和世界都有深远影响,但不能说是推动人类社会向前发展的唯一或最重要力量。
B选项错误,因为教育是民族振兴、社会进步的基石,而非改革开放。
C 选项正确,改革开放是决定当代中国命运的关键抉择,它使中国实现了从站起来、富起来到强起来的伟大飞跃。
D选项也正确,改革开放是当代中国最鲜明的特色,它使中国走上了中国特色社会主义道路。
因此,正确答案是C和D。
3、在绵阳市某中学的道德与法治课堂上,老师展示了以下两个材料:①《未成年人保护条例》发布,强调对未成年人的全方位保护。
②《中华人民共和国立法法》的修改过程中,广泛听取了基层声音,体现了民主立法精神。
关于这两个材料,下列分析正确的是?A. 材料①体现了对未成年人的特殊保护B. 材料②说明我国公民的政治权利在不断扩大C. 材料①和材料②都体现了我国法治建设的进步D. 材料②中的做法有违宪法的平等原则答案:C解析:本题考察的是对未成年人保护和立法过程的理解。
绵阳市高中2006级第一次诊断性考试语文参考答案及评分标准第I卷(选择题,共33分)一、(15分,每小题3分)C(A. 差chā,余读chà B. 笃dǔ,余读dú C. 全读xī D. 嗜shì,俟sì,肆sì,蚀shí)A(B.消—销 C. 卓—灼 D. 名—明逾—渝)D(重视:认为人的德才优良或事物的作用重要而认真对待。
器重:多用于长辈对晚辈,上级对下级的看重、重视。
节余:因节约而剩下。
结余:结算后余下。
形势:地势或事物发展的状况。
形式:指事物的形状、结构等。
)D(A望文生义。
冰清玉洁:比喻人高尚纯洁。
B望文生义。
曲尽其妙:委婉地细致地把妙处都表达出来。
曲:委婉,不是歌曲。
C不合语境。
一言九鼎:形容说话极有分量,能起到极大的作用。
D正确。
繁文缛节:烦琐、无意义的仪式或礼节;也用以比喻烦琐多余的事情。
)B(A逻辑顺序颠倒,将“不仅”、“而且”两句的内容互换,才构成递进关系。
B正确。
C 成分残缺,在“相互促进”后面加上“的态势”。
D并列使用了有包含关系的概念,应去掉“学习生活”、“社会交往”。
)二、(9分,每小题3分)B(原文:“地衣不是单一的植物”)A(B原文:“有些地衣中……”。
扩大范围。
C原文:“活着的最古老的生物”,缺必要限制。
D以偏概全。
原文:“另一种繁殖方式……”)C(从地衣可以“食用”、作饲料、作香水等推出C项的论断。
A由“地衣是最靠南的植物”推断出“北极也有”,错。
B“最耐高温”,原文无依据。
D由“某些壳状地衣会生长在古老的玻璃上”不能推出“地衣会腐蚀玻璃”,因为岩石与玻璃化学成分不同,地衣能腐蚀岩石,不一定能“腐蚀玻璃”)三、(9分,每小题3分)9. A(举:被推举)10.B(①③表现苏则治理有方。
⑥为文帝的行为)11. C(“面对文帝的指责”不确切。
文帝忌惮苏则的原因是苏则“以死请”)第II卷(共117分)四、(23分)12(10分)(1)有违犯(禁令)的立即处罚,听从教化的一定奖赏。
2024年四川省绵阳市英语中考仿真试题及答案指导一、听力部分(本大题有20小题,每小题1分,共20分)1、听力材料:A. Good morning, students. I’m Mr.Smith. Today’s English exam will start with a short listening comprehension test. Please listen carefully and answer the questions.Question: How does Mr. Smith greet the students?A) Good afternoon, students.B) Good evening, students.C) Good morning, students.D) Good night, students.Answer: C) Good morning, students.Explanation: The listening material clearly states, “Good morning, students,” which is how Mr. Smith greets the students.2、听力材料:B. Listen to the following dialogue between two friends, Alice and Bob.Alice: Hey Bob, did you finish reading the book we were discussing? Bob: Yeah, I did. It was really interesting. The a uthor’s writing style was quite engaging.Alice: I agree. My favorite part was when the main character made that bigdecision.Bob: Same here. It was a turning point in the story.Question: What did Alice say was her favorite part of the book?A) The autho r’s writing style.B) The main character’s decision.C) The book’s plot.D) The ending of the book.Answer: B) The main character’s decision.Explanation: In the dialogue, Alice says, “My favorite part was when the main character made that big decision,” w hich directly answers the question.3、What are the speakers discussing?A. The weather forecast for the next week.B. The importance of exercise for good health.C. The new library opening in the neighborhood.Answer: CExplanation: The conversation includes a mention of the new library opening soon, indicating that the speakers are discussing a community event.4、How does the woman prefer to travel?A. By train.B. By car.C. By plane.Answer: BExplanation: The woman explicitly states that she prefers to travel by car, which is the reason she is not keen on the train or plane options mentioned by the man.5、Listen to the conversation between two friends, and choose the best answer to complete the following sentence.A. They are planning a trip to the beach.B. They are discussing their favorite movie.C. They are preparing for an exam.D. They are going shopping together.Answer: CExplanation: In the conversation, the friends are talking about the upcoming exam, which indicates that they are preparing for it.6、Listen to the dialogue and fill in the blanks with the correct words from the options provided.The teacher asked the stude nt, “How are you doing with your science project, [______]?”A. myselfB. yourselfC. herselfD. ourselvesAnswer: BExplanation: The teacher is addressing the student directly, so the correctpronoun to use is “yourself,” which is used to refer to the stu dent in the second person singular.7.You will hear a conversation between two friends, Tom and Jerry, discussing their weekend plans. Listen carefully and answer the following question:What does Tom plan to do on Saturday afternoon?A. Go shoppingB. Watch a movieC. Visit a museumAnswer: BExplanation: In the conversation, Tom says, “I think I’ll watch a movie on Saturday afternoon. It’s been a while since I last went to the cinema.”8.Listen to a short speech given by a school principal during an assembly. Answer the following question:What is the main purpose of the principal’s speech?A. To announce a new school policyB. To encourage students to participate in extracurricular activitiesC. To discuss the upcoming school eventsAnswer: BExplanation: The principal says, “I would like to take this opportunity to encourage all of you to participate in extracurricular activities. These activities are not only fun but also help you develop important life skills.”9.You will hear a conversation between two friends, discussing their weekend plans. Listen carefully and choose the best answer to the question that follows.Question: What activity does the woman want to do on Sunday afternoon?A) Go shopping.B) Visit a museum.C) Go for a hike.D) Have a picnic.Answer: C) Go for a hike.Explanation: In the conversation, the woman mentions that she has a hiking book and wants to go hiking on Sunday. This indicates that she wants to do a hike, making option C the correct answer.10.You will hear a news report about a new law that has been recently passed. Listen carefully and choose the best answer to the question that follows.Question: What is the main purpose of the new law?A) To reduce pollution.B) To increase taxes.C) To promote renewable energy.D) To control traffic.Answer: A) To reduce pollution.Explanation: The news report states that the new law is aimed at reducing pollution by enforcing stricter emission standards on vehicles and factories. This makes option A the correct answer.11.You are listening to a conversation between two students discussing their weekend plans.Student A: Hey, do you have any plans for this weekend?Student B: Yeah, actually. I’m going to the beach with a few friends. Student A: That sounds fun! Are you planning to stay overnight?Student B: No, we’re just going for a day trip. We’ll be back by evening.Question: How long do the friends plan to stay at the beach?A) OvernightB) For the whole weekendC) Just for a dayD) Until eveningAnswer: C) Just for a dayExplanation: The answer can be found in Student B’s response, “We’re just going for a day trip. We’ll be back by evening.”12.Listen to a short dialogue between a teacher and a student in the school library.Teacher: Good afternoon, John. How are you doing today?Student: Hi, Mrs. Smith. I’m doing well, thank you. How about you? Teacher: I’m fine, thank you. I’ve noticed that you’ve been spending a lot of time here recently. Are you working on a project?Student: Yes, I am. I need to finish my history report by next week.Question: What is the main reason John has been spending a lot of time inthe library?A) He is reading novels.B) He is studying for an exam.C) He is working on a history report.D) He is volunteering.Answer: C) He is working on a history report.Explanation: The answer is clear from the student’s response, “Yes, I am.I need to finish my history report by next week.”13.You will hear a conversation between two friends about their weekend plans. Listen carefully and answer the question.What activity does the man suggest they do together?A)Go hiking.B)Visit a museum.C)Go to the beach.D)Have a picnic.Answer: B) Visit a museum.Explanation: The man suggests visiting a museum because he mentions that they can learn something new and it’s a p eaceful activity.14.You will hear a short lecture about the impact of social media on young people. Listen carefully and answer the question.According to the speaker, what is one of the main concerns about social media use among young people?A)Loss of privacy.B)Decreased physical activity.C)Increased screen time.D)Reduced face-to-face communication.Answer: C) Increased screen time.Explanation: The speaker mentions that one of the main concerns is the significant increase in screen time among young people, which can have various negative effects on their health and social interactions.15.You will hear a conversation between two students about their weekend plans. Listen and choose the best answer to the question.What does the woman plan to do this weekend?A. Go hiking with friends.B. Visit her grandparents.C. Take a trip to the beach.Answer: BExplanation: The woman says, “I’m going to visit my grandparents this weekend.” This indicates that she has plans to visit her grandparents, making option B the correct answer.16.Listen to a short speech given by a teacher about the importance of teamwork in school projects. Answer the question based on what you hear.According to the teacher, what is one of the main benefits of working in a team?A. It makes the work easier.B. It helps students develop better communication skills.C. It ensures that everyone gets the same grade.Answer: BExplanation: The teacher mentions that working in a team helps students “develop better communication skills,” which is option B. The other options are not mentioned in the speech.17.You will hear a conversation between two friends discussing their weekend plans. Listen and choose the best answer to the question.Question: What does the man plan to do on Saturday morning?A) Go shopping with his sister.B) Visit a museum with his friend.C) Take a walk in the park.D) Watch a movie at home.Answer: B) Visit a museum with his friend.Explanation: In the conversation, the man says, “I was thinking of visiting the art museum this Sat urday. Would you like to join me?” This indicates that his plan is to go to the museum, making option B the correct answer.18.You will hear a short lecture about the impact of technology on education. Listen and answer the question.Question: According to the lecture, what is one of the main benefits of technology in education?A) It reduces the need for traditional textbooks.B) It allows for more personalized learning experiences.C) It increases the number of hours students spend in school.D) It eliminates the need for teachers in the classroom.Answer: B) It allows for more personalized learning experiences.Explanation: The lecture mentions, “Technology has made it possible for students to have a more personalized learning experience, as they can access materials and resources tailored to their individual needs.” This statement supports option B as the correct answer.19.You will hear a conversation between two friends, Alice and Bob. Listen carefully and choose the best answer to the question.Question: What is Bob’s favorite sport?A. BasketballB. FootballC. TennisD. SwimmingAnswer: BExplanation: In the conversation, Bob mentions that he loves playing football with his friends.20.Listen to a short dialogue between a student and a teacher. Choose the best answer to the question.Question: Why does the student feel sad?A. Because the test is too hard.B. Because the weather is bad.C. Because the student is homesick.D. Because the student is tired.Answer: AExplanation: In the dialogue, the student says, “I feel so sad because the test was too hard.” This indicates that the student’s sadness is due to the difficulty of the test.二、阅读理解(30分)Passage:In the small town of Maplewood, the local library has always been a hub of community activity. The library, which was built in 1925, is a charming two-story building with a classic red brick facade and a large wooden porch. Over the years, the library has seen many changes, but its mission to provide educational resources and a welcoming space for readers has remained unchanged.One of the most beloved features of the Maplewood Library is its children’s section. Here, young readers can find a vast array of books, from classic tales to modern adventures. The children’s librarian, Mrs.Thompson, has been with the library for over 30 years and is known for her warm smile and endless patience. She has a special talent for finding just the right book for each child, and her efforts have helped countless young readers develop a lifelong love of reading.Recently, the Maplewood Library has embarked on a new project to expand itsdigital resources. The library has installed a series of computers and tablets in the adult section, providing patrons with access to e-books, online databases, and educational apps. This expansion has been a hit with the community, as many residents now have the opportunity to access a wealth of information from the comfort of their own homes.One evening, a group of local teenagers gathered in the l ibrary’s teen section to discuss the latest science fiction novel. They were captivated by the story and spent hours discussing the plot and characters. The librarian, Mr. Johnson, was pleased to see the teens engaged in such meaningful conversations and knew that the library was fulfilling its role as a place for young adults to explore their interests and connect with others.Questions:1.What year was the Maplewood Library built?A. 1925B. 1940C. 1950D. 19602.Which of the following best describes Mrs. Thompson’s role at the library?A. She is the head librarian.B. She manages the children’s section.C. She is responsible for the digital resources.D. She hosts evening discussions for teenagers.3.What has been the impact of the library’s expansion of digital resources?A. It has reduced the number of visitors to the library.B. It has been met with mixed reactions from the community.C. It has increased the library’s membership by 20%.D. It has had a minimal impact on the library’s services.Answers:1.A. 19252.B. She manages the children’s section.3.C. It has increased the library’s membership by 20%.三、完型填空(15分)Section 3: Cloze TestRead the following passage and choose the best word to fill in each blank. There is one extra word that does not fit in the passage.The 1) of a tree is determined by its 2), which includes its species, age, and environment. The 3) of a tree can range from just a few inches to over a hundred feet. Trees play a crucial role in our ecosystem, providing 4), shelter, and oxygen. However, not all trees are the same. Some are 5) and others are not.1.A) height B) color C) roots D) leaves E) type2.A) branches B) leaves C) seeds D) roots E) height3.A) length B) color C) roots D) leaves E) height4.A) food B) water C) shelter D) oxygen E) energy5.A) useful B) harmful C) beautiful D) common E) rareAnswer Key:1.A) height2.E) height3.A) length4.C) shelter5.E) rare四、语法填空题(本大题有10小题,每小题1分,共10分)1、In the 1 days before the exam, John 2 very hard to prepare for the test.A. lastB. last fewC. last twoD. last month答案:B解析:根据句意,这里指的是考试前的几天,所以应该使用“last few”表示“最近几天”。
2024年四川省绵阳市道德与法治中考自测试题(答案在后面)一、单项选择题(本大题有12小题,每小题4分,共48分)1、以下哪项不属于道德的基本范畴?A、义务B、权利C、情感D、意志2、在社会主义法治国家中,下列哪个不是宪法规定的公民基本权利?A、言论自由B、宗教信仰自由C、劳动权D、选举权3、下列行为中,哪一项不属于侵犯个人隐私权的行为?A、未经他人同意,公开其私人信件内容B、在公开场合议论他人的生理缺陷C、访问并公布他人的微信朋友圈信息D、未经允许,在社交媒体上查看他人的聊天记录4、在法治社会中,下列哪一项是公民的基本权利之一?A、随意借贷他人财物而不归还B、无条件执行雇主的一切指令C、在任何情况下拒绝承认错误D、受到法律平等保护和享有平等的法律权益5、根据《中华人民共和国宪法》,下列哪项不属于公民的基本义务?A. 遵守宪法和法律B. 维护国家利益、荣誉和尊严C. 接受教育、劳动、参加国防等D. 享有言论自由、出版自由6、关于法治的意义,下列哪项说法错误?A. 法治是社会稳定和谐的重要保障B. 法治是保障公民权利和自由的有力工具C. 法治是社会公平正义的基石D. 法治是国家长治久安的根本途径7、根据《中华人民共和国宪法》规定,以下哪项不属于公民的基本权利?A. 选举权和被选举权B. 言论自由C. 财产权D. 炮制言论8、在处理个人与集体利益的关系时,以下哪种观点是错误的?A. 集体利益高于个人利益B. 个人利益可以适当照顾C. 必须完全牺牲个人利益来维护集体利益D. 集体利益与个人利益相辅相成9、我国宪法规定,公民在行使自由和权利的时候,不得损害国家的、社会的、集体的利益和其他公民的合法的自由和权利。
这一规定体现了()。
A、个人价值高于集体价值B、自由权利可以随意行使C、自由权利行使受到法律限制D、国家利益高于个人利益 10、在我国,行使监督宪法实施职权的机关是()。
A、全国人民代表大会及其常务委员会B、最高人民法院C、最高人民检察院D、国务院11、以下哪项不属于《中华人民共和国宪法》规定的基本权利?A. 选举权和被选举权B. 宗教信仰自由C. 财产权D. 嫉妒自由12、以下哪项不属于道德的基本范畴?A. 欲望B. 孝敬C. 诚信D. 公正二、非选择题(本大题有5小题,第5小题12分,其他每题10分,共52分)第一题阅读材料随着社会的发展,网络已经成为人们日常生活中不可或缺的一部分。
9篇说明文阅读生活百科:一、阅读下面的文字,完成1~4题。
生物钟的奥秘①生物钟又称生理钟。
它是生物体内的一种无形的“时钟”,实际上是生物体生命活动的内在节律性。
这个“时钟”会回应外部的信号,特别是光信号,使身体内部的时间与环境时间达到同步。
生物钟究竟由大脑的哪个部位控制呢?目前,科学家鉴定出了哺乳动物的生物钟调节器是位于下丘脑的视交叉上核(简称SCN),通过SCN控制松果体调节褪黑素分泌的水平,从而帮助哺乳动物调节昼夜节律和其他生物效应。
如果SCN区域被破坏,啮齿动物就丧失了它们在进食和其他行为方面的生理节奏。
②一个人坐飞机一天之内就可以跨越大半个地球,但生物钟的转变可不会这么快,所以人体就会产生时差反应。
即使视觉神经传递给大脑“现在是白天”的信息,可身体还是会在原定时间内分泌褪黑素,让人昏昏欲睡,直到生物钟自我调整到适应新时区的昼夜。
一般跨越的时区越多,“倒时差”需要的时间越长。
有研究发现,与向东穿越时区相比,人体更适应向西飞行。
这是因为控制生物钟或昼夜节律的细胞的运作日程表并不是24小时制,它们的一天更接近24.5小时。
所以朝着延长一天时间的方向,即向西飞行时,生物钟的调节会容易一些。
③时差反应并不只出现在乘坐飞机的人群中,即使宅在家中不出门也会产生“时差”。
这种现象被称为“社交时差综合症”,“患者”主要是那些休息日与工作日作息不同的人群,比如,工作日早睡早起,而周末却晚睡晚起,这种切换同样会导致人体生物钟与外界时间不同步。
一项研究就发现,相比周末也能按时起床的人来说,周末和工作日睡眠时间天差地别的人更容易长胖,新陈代谢也会出现问题。
④当黑暗来临,大脑通过释放褪黑素到血液中,使人睡意升起;清晨天亮之后,褪黑素的分泌被抑制了,人又来了精神。
人们就这样遵循日出而作日落而息的规律生活着。
直到人造光线的出现,无形中扰乱了自然为人类调好的生物钟,人的睡眠因此大受影响。
睡眠的过程其实是身体维护保养的过程,肌肉的增长、组织的修复、蛋白质的生成及生长激素的释放等。
中考语文现代文阅读汇编2006年四川省说明文阅读5篇猪链球菌又到人间作孽果子狸身上的SARS今年没来人间闹腾,“猪瘟”却来了。
1个月前,四川省资阳、内江两地闹开了“猪瘟”,而且这“猪瘟”还闹到了人头上。
仅仅1个月的功夫已有117人发病,24人死亡。
这可怕的“猪瘟”到底是什么引起的?难道又是一种新的SARS?经过医学专家的努力,谜底终于揭开,原来是猪链球菌跑到人间作祟。
说起链球菌,其实大家早就认识。
化脓性扁桃腺炎、猩红热等许多人类疾病都是由这一家庭的细菌引起。
由于这些细菌在显微镜下的形状如球形,许多细菌聚在一起时,喜欢排列成串,像一根根美丽的链条,因此被人们称为链球菌。
一些链球菌还能分泌某种毒素,猩红热的皮疹就是由β-溶血性链球菌分泌的红疹毒素引起的。
能感染猪的链球菌也很多,但毒力最强,甚至可以引起人类严重疾病的是猪链球菌2型。
这种猪链球菌可以分泌溶血毒素、中毒性休克毒素等多种毒素,它最容易感染刚刚出生不到1年的小猪。
猪得病以后,常表现为高烧,食欲下降,肢体出现紫色瘀斑,休克,还可出现跛行,不由自主地转圈等神经症状;重症病猪很快出现多器官衰竭,心、肝、肾都会出现损害,导致突然死亡。
人被这种猪链球菌感染后,潜伏期非常短,一般在2天之内,最短的接触后仅1小时就会发病。
发病后出现的临床症状与猪病相似,病情发展也十分迅速,有些病人甚至在24小时内就可死亡,病死率为20%~40%。
其实,猪链球菌病是可以治疗的,抗生素是治疗的特效药物,人发病后一定要及时就诊,不要延误治疗时机。
猪链球菌并非“初来乍到”,它早已是人间的“常客”。
上世纪60年代初它就在丹麦“露过脸”,使丹麦人感染了“猪瘟”;后来又到过法国、荷兰、英国等许多国家的人间“做客”。
在人间,它并不“常驻”,只是“骚扰”一下人类就“跑”。
但它能造成人类严重的链球菌感染,引起脑膜炎或中毒性休克综合征。
到目前为止,它在世界上已造成200多人死亡。
1984年,我国首先发现内蒙古人被感染,近年来它越来越频繁地向人类发动进攻。
2024年四川省绵阳市语文中考复习试卷(答案在后面)一、积累与运用(本大题有7小题,每小题3分,共21分)1、下列词语中,加点字的读音完全正确的一项是()A. 狭隘(yì) 倔强(jué) 酝酿(niàng) 拈轻怕重(zhān)B. 蜷伏(quán) 庇护(bì) 怂恿(sǒng) 参差不齐(cēn)C. 称职(chèng) 匿笑(nì) 嗔怪(chēn) 刨根问底(páo)D. 惩戒(chéng) 滑稽(jī) 虐待(nüè) 大相径庭(jìn)2、下列句子中,标点符号使用恰当的一项是()A. 我们在田野上散步:我、我的母亲、我的妻子和儿子。
B. “哎呀,真是美极了!”皇帝说:“我十二分地满意!”C. 这就是白杨树,西北极普通的一种树;然而绝不是平凡的树!D. 是天气比往年热呢?还是自己的身体虚呢?这么一想,他忽然不那么昏昏沉沉的了。
3、阅读下面的诗句,完成下列问题。
春风又绿江南岸,明月何时照我还?(1)这句诗出自宋代王安石的《泊船瓜洲》,请写出这首诗的题目。
(2)这句诗中的“绿”字运用了什么修辞手法?(1)泊船瓜洲(2)拟人解析:(1)根据诗句中的“春风又绿江南岸”,可以判断这首诗的题目是《泊船瓜洲》。
(2)“绿”字在这里用来形容春风使江南的岸边变绿,将春风拟人化,赋予了春风使事物变绿的能力,因此运用了拟人修辞手法。
4、阅读下面的语段,完成下列问题。
①“不积跬步,无以至千里;不积小流,无以成江海。
”这句话出自《荀子·劝学》,意思是说,积累小的步伐才能走到千里之外,积累小的水流才能汇成江海。
这句话强调了积累的重要性。
②下列词语中,字形和字义完全正确的一组是()A. 沉默(shēn mò)寂寞(jì mò)赏识(shǎng shí)B. 精神(jīng shén)振奋(zhèn fèn)厉害(hài li)C. 振作(zhèn zuò)厉害(lì hài)领悟(lǐng wù)D. 精神(jīng shén)振奋(zhèn fèn)厉害(hèi li)5、下列句子中,加点词的词性分别为:()(1)①“红掌拨清波”中的“红”字是()。
2024年四川省绵阳市中考模拟英语试题学校:___________姓名:___________班级:___________考号:___________一、阅读单选Shanghai West Station is the smallest railway station in Shanghai. It was known as Zhenru Station from 1898 to 1905. The station was taken down and re-built in 2006, and put into use again in 2010 for the operation of the Nanjing —Shanghai High-speed Railway. Now it mainly serves CRH trains running between Nanjing and Shanghai with stops includingTransportation Subway Line 11 serves Shanghai West Station. Line 15 and 20 are being1.What do we learn about Shanghai West Station?A.It first came into service in 1905.B.It has a history of less than 100 years.C.It used to be called differently in its history.D.It is the most important railway station in Shanghai.2.What can we infer about Shanghai West Station from 2006 to 2010?A.It served High-speed trains only.B.It was completely out of service.C.It opened new windows to sell tickets.D.It sold tickets through ticket machines. 3.Which train stops for the longest time at the station?A.G7203.B.G7050.C.G7213.D.G7068. 4.How much does taking a taxi cost to Shanghai Railway Station?A.¥30.B.¥70.C.¥80.D.¥200. 5.Which is true about the transportation around the station?A.It is pretty convenient.B.Twelve bus lines serve the station.C.The waiting time is usually long.D.Passengers don’t have many choices.Starting in December 2020, Pa Wanlian has overcome physical problems to post short videos and livestreaming(直播) on the popular video app Douyin. She has got more than 25,000 followers and a record number of short video views—more than 1.7 million.Born in a countryside family in Mangshi, Y unnan, the 42-year-old woman has been unable to walk since the age of 14, because of a leg problem. At the beginning, she couldn’t accept it. Fortunately, her parents didn’t give up. With her parents’ encouragement and support, Pa gradually overcame it and started the health training. By 2000, she could walk slowly with the support of a pair of walking sticks. Meanwhile, her elder sister helped her open a food store in her village.“I spent most of my time in the small store, and I felt quite proud of making a living on my own instead of depending on my family.” she said. “My business became better and I could give some money to my younger sisters, helping my parents a lot.”Five years later, Pa moved to Mangshi and started a larger store selling daily goods. From 2012, she traveled to different cities to sell health products, which helped her makemore friends and become more popular.The first time she saw someone online sell jade(玉) through livestreaming in Ruili, Yunnan, she was interested. She posted some short videos with another web famous person. By the end of last year, her followers had increased from 300 to 25,000, and she had made more than 30,000 yuan by selling goods online.6.How did Pa feel about her physical problems at first?A.Sad.B.Surprised.C.Tired.D.Excited. 7.What made Pa proud in Paragraph 3?A.Getting her sister’s help.B.Selling walking sticks.C.Making a living by herself.D.Opening online stores.8.When did Pa move to Mangshi?A.In 1999.B.In 2005.C.In 2007.D.In 2015. 9.How did Pa’s online success start?A.By selling jade online.B.By meeting her followers.C.By making friends online.D.By posting short videos online. 10.What word can best describe Pa?A.Strong.B.Serious.C.Honest.D.Lovely.Have you seen bamboos coming out of the earth? Have you noticed that the days are getting longer, with more daylight to enjoy? These are signs of spring’s arrival, promising the return of light, colour and warmth. Spring is nature’s sign that however dark or cold things might be, better days are around the corner. That is hope.“Hope is the feeling that things can get better.” says Dr. Black. Last year Black interviewed some firefighters who put out wildfire in Australia. The firefighter said, “If we don’t fight it, there’s no chance of it stopping.” In addition, hope is also about taking action. Black says, “In our life, we find ourselves caught in difficult situations from time to time. And our actions start us up and help us out. Make the first move, and we will get them through.”Experts say that having hope in difficult times can help you worry less, feel calmer and lift your spirits. They also say that research shows hope can build up your body and help you deal with pain.Feeling disappointed and worried is part of life. If it’s possible to see hope in them, youshould; if it’s not, don’t worry. Dr. White calls this “practical hope”. “Life is messy,” says White, “but we can be clear about how we feel whether that’s sadness or disappointment, and focus(专注)on the opposite. You can’t change the fact that your brother or sister is mean(刻薄)to you. But you can act in a way that is kind and friendly rather than making things worse. Even in the most terrible situations, we can decide how we live with each other.”11.Why is spring mentioned in the beginning?A.It stands for hope.B.It is a pretty season.C.It promises warmth.D.It is the start of a year.12.What question is answered in Paragraph 2?A.How can hope change our life?B.What does hope really mean?C.Why do firefighters need hope?D.Who can help us find hope? 13.What can we infer from paragraph 3?A.Hope is never easy to find.B.Experts never give up hope.C.Hope is important to our health.D.Experts often give us hope.14.What does Dr. White mainly talk about?A.The steps of seeing hope.B.The kinds of practical hope.C.The possibility of seeing hope.D.The value of practical hope. 15.What would be the best title for the passage?A.How Is Hope Found B.Finding Hope Is EasyC.Having Hope Is Helpful D.Where Can We See HopeDuring the Covid-19 outbreak, everyone was advised to do more activities at home. In fact, many activities can be done, for example, sunbathing in the morning.It is said that the morning is the best time to sunbathe, when the sun is still not too hot. Sunbathing cannot be done carelessly, because the vitamins given by the sun are different at every time. A good time to bathe in the morning sun is around 10 am, for at least 10 to 15 minutes.Besides, the morning sun produces ultraviolet rays (紫外线) that will help our body produce vitamin D.Sunbathing not only helps the body meet its needs of vitamin D, but also provides many other benefits (好处) for health, as long as it is done correctly, especially for the elderly.With age, the elderly often have trouble sleeping, like waking up pretty early and gettingsleepy faster during the day. So, how to overcome the difficulty of sleeping in the elderly? Enough and good sleep is useful to repair the physical harm that happens throughout the day. In this case, sunlight plays an important role in the sleep cycle. When the body feels natural sunlight, it stops the production of the hormone (荷尔蒙) for sleep.On the other hand, the elderly sometimes lose interest in their daily activities and it causes feelings of sadness. They often experience depression because the situation is no longer the same as when they were young. Sunbathing for about 30 minutes each day can help prevent and reduce depression in the elderly, and then they will feel comfortable and happy. Therefore, sunbathing is one of the most pleasant ways to prevent Alzheimer (a kind of illness for the elderly).16.Why is the morning the best time to sunbathe?A.Because the sun is not too hot.B.Because the sun can produce X-rays.C.Because the sun can prevent the Covid-19.D.Because the sun provides special things for the elderly.17.Which of the following can explain the underlined word “depression”?A.A way of treatment.B.A thought of happiness.C.A feeling of sadness.D.An action of quietness.18.What is the main idea of the last two paragraphs?A.Sunbathing improves the sleep quality.B.Sunbathing increases Vitamin D production.C.Sunbathing benefits the health of the elderly.D.Sunbathing reduces the danger of depression.19.How does the author express his opinion in this passage?A.By giving the examples.B.By comparing the facts.C.By showing the numbers.D.By explaining the reasons.20.What can we learn from this passage?A.Sunbathing mainly benefits the elderly.B.Sunbathing is pretty helpful for our physical health.C.We can sleep well as long as we sunbathe in the morning.D.We can sunbathe in the morning for 10-15 minutes at most.二、完形填空My three-year-old brother had been told several times to get ready for bed. When mynot 22 him to call her “Sir”.“You would say, ‘Yes, Sir’ to a man. I am a lady, and you would say ‘Yes, Madam!’ to a lady.” Mom said.To 23 him on his lesson, she then asked him, “What would you say to Daddy?’’ “Yes, Sir!” came the reply.“Then what would you say to Mama?” “Yes, Madam!” he 24 answered.“Now what would you say to Grandma?” His face began to 25 and he said with a smile, “Can I have a cookie?”21.A.mom B.dad C.sister D.brother 22.A.ask B.order C.expect D.invite 23.A.thank B.test C.praise D.force 24.A.quietly B.sadly C.slowly D.proudly 25.A.light up B.look down C.come in D.fall downOver the past three years, Chen Yanzi has spent almost all her time with her students. She worked at a primary school in the 26 of Mawu in Jincheng, Shanxi province. Chen became a teacher at the school in September 2019, following two others. She spent three hours 27 to Mawu the first time on terrible roads from her home in downtown Jincheng, 100 kilometers away. She was a little 28 about the village, which she knew nothing about.“I had 29 been there and I didn’t know what it was like. I didn’t know what my students would be like.” she said. “ 30 , when I entered the classroom and saw the Chinese words the students had written on the blackboard—‘Welcome, Miss Chen’—I felt quite 31 and wanted to do my best.”She started with six students, all 32 different grades. She taught math and English, as well as music, art and physical education. She tried to 33 the needs of each student. After class, Chen would pass on information about health, safety and daily life to help 34 their ability to care for themselves.“I will never regret spending my early teaching years with children in the village,” she said. “I received a lot of love and 35 here. I will miss them.”26.A.city B.town C.village D.street 27.A.traveling B.writing C.replying D.talking 28.A.happy B.nervous C.disappointed D.angry 29.A.often B.usually C.once D.never 30.A.However B.Besides C.Therefore D.Instead 31.A.bored B.warm C.worried D.shy 32.A.on B.with C.over D.in 33.A.refuse B.understand C.show D.forget 34.A.reduce B.protect C.improve D.show 35.A.courage B.fear C.joy D.sadness三、语法填空阅读下面材料,在空白处填入1个恰当的词或括号内单词的正确形式。
2024-2025学年四川省绵阳市中考历史测试试卷班级:________________ 学号:________________ 姓名:______________一、单选题(每题3分)1.下列关于古代中国的科技发明,说法错误的是:A. 造纸术最早出现在西汉时期B. 指南针在宋代开始应用于航海C. 活字印刷术由毕昇发明D. 火药在唐朝末年开始用于军事答案:A(解析:造纸术最早出现在东汉时期,由蔡伦改进,而非西汉。
)2.下列历史人物中,与“开元盛世”局面直接相关的是:A. 唐太宗李世民B. 武则天C. 唐玄宗李隆基D. 唐高宗李治答案:C(解析:“开元盛世”是唐玄宗李隆基统治前期所出现的盛世,此时国家统一,经济繁荣,政治开明,文化发达,对外交往频繁,社会充满自信。
)3.下列哪一项不是明清时期加强专制主义中央集权的措施?A. 废除丞相制度B. 设立军机处C. 八股取士D. 设立锦衣卫答案:A(解析:废除丞相制度是明朝初年的措施,但题目要求的是“明清时期”且“不是”加强专制主义中央集权的措施,因此A项虽然重要,但不符合题意。
)4.下列关于《马关条约》的表述,不正确的是:A. 割让台湾及其附属岛屿给日本B. 赔偿日本军费白银二亿两C. 开放沙市、重庆、苏州、杭州为商埠D. 允许日本在中国开设工厂答案:B(解析:《马关条约》中规定的赔款是白银二亿两,但并非“军费”,而是对日本的全面赔款。
)5.下列哪一项不属于洋务运动的内容?A. 创办军事工业B. 创办民用企业C. 提倡“中学为体,西学为用”D. 派遣留学生出国深造答案:C(解析:“中学为体,西学为用”是洋务派的教育指导思想,而非洋务运动的具体内容。
洋务运动的内容主要包括创办军事工业、民用企业,以及派遣留学生等。
)二、多选题(每题4分)1.下列哪些事件标志着中国开始沦为半殖民地半封建社会?()A. 鸦片战争B. 第二次鸦片战争C. 甲午中日战争D. 八国联军侵华战争答案:A解析:鸦片战争后,中国签订了《南京条约》,开始沦为半殖民地半封建社会。
绵阳市2006年高中阶段教育学校招生统一考试理科综合(实验区卷)(物理部分)本试卷分为第Ⅰ卷和第Ⅱ卷两部分,第Ⅰ卷1至4页,第Ⅱ卷5至12页。
满分200分。
考试时间150分钟。
第Ⅰ卷(选择题,共72分)一、选择题(每小题3分,共72分。
每小题只有一个选项是最符合题目要求的)14.下列做法符合安全用电原则的是A、发现有人触电,应直接把触电的人拉开B、发现有人触电,应迅速切断电源C、用电器着火时,先用泡沫灭火器灭火,再切断电源D、用电器着火时,先用水把火浇灭,再切断电源15.金属块在冰箱中被冷冻后,取出放一会儿,发现变湿了。
用干毛巾擦净,等一会儿金属块又变湿了,原因是A、金属块在冰箱中吸收的水继续往外渗透B、空气中的水蒸气液化成水附着在金属块表面C、空气中的水附着在金属块表面D、空气中的水汽化成水蒸气附着在金属块表面16.控制噪声可以从三个方面入手,下面关于控制噪声的措施的说法,正确的是A、摩托车的消声器是防止噪声进入耳朵B、城市道路旁的隔声板是防止噪声产生C、道路旁植树是阻断噪声的传播D、工厂用的防声耳罩是防止噪声的产生17、关于静止在水平地面上的足球的能量,下列说法正确的是A、因为足球静止,所以足球的分子动能为零B、因为足球在水平地面上,所以足球的分子势能为零C、如果足球运动起来,足球的内能要增加D、如果足球的温度升高,足球的内能要增加18、在检查视力的时候,视力表放在被测者头部的后上方,如图所示。
这种检查视力的方法,视力表与人眼的距离相当于是A、4.6 mB、5.0 mC、2.9 mD、5.4 m19.为了使快速降落的“神舟六号”飞船返回舱安全着陆,在距离地面几米高处时,开始向下高速喷出高温高压气体,返回舱在从开始喷气到安全着陆的过程中A、动能增大,重力势能减小,机械能不变B、动能不变,重力势能减小,机械能减小C、动能减小,重力势能减小,机械能减小D、动能减小,重力势能增大,机械能不变20.电视信号包含图像信号和声音信号,电视信号从电视台发射机到电视接收机的传递过程中,下列说法正确的是A、声音信号是加载在电流上的,图像信号是加载在电磁波上的B、图像信号是加载在电流上的,声音信号是加载在电磁波上的C、声音信号和图像信号都是加载在电流上的D、声音信号和图像信号都是加载在电磁波上的21.如图所示,为某校校园艺术节时气球悬挂一幅竖标的情景。
已知气球的体积为8m3,气球(含内部所充气体)、标语及细绳的总质量为9kg,空气的密度为1.29 kg/ m3.g取10N/ kg,则系于地面拉住标语的细绳的拉力为A、103.2NB、90NC、13.2ND、193.2N22.为了加大对绵阳的宣传力度,绵阳电视台拍摄了“绵州掠影”宣传片,其中许多镜头画面是航空摄影人员从高空拍摄的。
若航空摄影所用照相机镜头的焦距为50mm,则胶片与镜头的距离应A、略大于50mmB、略小于50mmC、刚好50mmD、大于100mm 23.如图所示,商场的电梯匀速向上运动,站在电梯上相对电梯静止的人受到的作用力有A、重力和支持力B、重力、支持力和水平向右的摩擦力C、重力、支持力和水平向左的摩擦力D、重力、支持力和斜向上的摩擦力24.如图所示,闭合开关S,灯L发光,把滑动变阻器的滑片P向左滑动的过程中A、电流表示数变小,灯变亮B、电流表示数变大,灯变亮C、电流表示数变小,灯变暗D、电流表示数变大,灯变暗第Ⅱ卷(共128分)一、填空与解答(共128分)30、(共10分)(1)封冰的江河,冰面所能承受的最大压强是2×105 Pa。
某坦克质量为60t,两条履带着地面积共为5m2,该坦克在冰面上行驶时对冰面的压强是__________ Pa,它最多还能装载质量_________t的人员和其它装备。
(g取10N/kg)(2)如图所示,挂在弹簧测力计下的铁块置于一个匝数可变的电磁铁的上方。
当开关S与1接通稳定后测力计的示数为F1,使滑动变阻器的滑片P向左移动到某一位置,弹簧测力计的示数为F2,则F1_______ F2;然后滑片P的位置保持不变,开关由1接到2,稳定后弹簧测力计的示数为F3,则F3_______ F2。
(选填“=”、“>”或“<”)(3))斜坡长10m,顶端与底端的竖直高度为6m,当小莉沿着斜坡用F=100N的力把一质量为10 kg的货箱从斜坡底端缓慢地推到斜坡顶端的过程中,她对货厢做的功为_____J,货厢克服斜坡的摩擦力做的功是_________J。
(g取10N/kg)(4)由于光照而产生电压的现象叫光伏效应。
单晶硅太阳能电池就是根据光伏效应设计的。
已知某一单片单晶硅太阳能电池在正常太阳光照射下,光电转换效率可达25%,产生的电压为0.6 V,用它给电阻为6Ω的用电器供电,电流是_______A,每秒钟照射到该单片单晶硅太阳能电池上的太阳光的能量是________J。
(5)如图甲所示,放在水平地面上的物体,受到方向不变的水平拉力F的作用,F的大小与时间t的关系如图乙所示,物体运动速度v与时间t的关系如图丙所示,由图象可知,当t=1s时,物体受到的摩擦力为________N,当t=5s时,物体受到的合力为________N。
31.(共12分)(1)(4分)如图所示,在试管中装些水,用橡皮塞塞住(塞得不太紧),加热使水沸腾后,看到的现象是__________________,在整个过程中存在有多种能量之间的转化,请说出其中一种转化:________________________(2)(4分)在探究“浮力的大小与哪些因素有关”时,某同学给出了下面两种现象,请根据现象提出合理的猜想。
①轮船从江河航行到大海,在海港加载一定质量的货物后与江河中吃水的深度相同。
由此猜想:浮力可能与______________有关。
②从井中提水,盛满水的桶露出水面越多,提桶的力就越大。
由此猜想:浮力可能与___________有关。
(3)(4分)在探究“同种物质的质量与体积的关系”实验中,某实验小组的记录如下表。
①根据表中数据,在右边的坐标系中描点,得到铝的质量与体积的关系图象。
②从得到的图象看,铝的质量与体积具有___________关系。
32.(共12分)(1)(6分)为了测定额定电压为2.5V的小灯泡的额定电功率,实验室提供器材有:电源一个、滑动变阻器一个、电压表两只、开关一只、导线若干、另有一个电子元件,该电子元件I—U图象(即通过电子元件的电流I与电子元件两端的电压U的关系图线)如图甲所示。
①一同学设计了如图乙所示的电路图,图丙是根据电路图乙连接实物图的一部分,请用笔画线代替导线将实物连线补充完整。
②测量时要调节滑动变阻器滑片使电压表V1的示数为_________v,若此时电压表V2的示数为2.2V,则灯泡的额定电功率为________W。
(2)(6分)实验室有如下器材:两根长度相同、横截面积不同的镍铬合金丝,一个电源,一只电流表,一个保护电阻,一个开关,若干根导线。
要求探究的问题有两个:A、探究导体的电阻与它的横截面积的关系;B、探究导体的电阻与它的长度的关系。
只利用上述器材能否完成A、B两个探究任务?如果你认为能,请继续回答下面①中的问题;如果你认为不能,则回答下面②中的问题。
(选①回答正确得6分,选②回答正确得5分;①②都回答以①评分。
)①老师已经设计并连接好基本实验电路.请你写出继续完成探究任务A。
需要进行的主要实验操作和需要记录的测量数据:________________________________________________ ________________________________________________分析记录数据就得到导体电阻与横截面积的关系;完成探究任务B需要进行的主要实验操作和需要记录的测量数据:______________________________________________________ ________________________________________________,分析记录数据就得到导体电阻与长度的关系。
②要求完成A、B两个探究任务,需要补充哪些器材?_____________________________________________________________________________ 按你的要求补齐实验器材,老师已经设计并连接好基本实验电路,请你写出继续完成探究任务A需要进行的主要实验操作和需要记录的测量数据:_______________________________________________________________________分析记录数据就得到导体电阻与横截面积的关系;完成探究任务B需要进行的主要实验操作和需要记录的测量数据:_________________________________________________________________________,分析记录数据就得到导体电阻与长度的关系。
33.(本题2小题,共23分。
解答过程中必须写出必要的文字说明、公式和重要的演算步骤,只写出最后答案的不能得分,有数值计算的题,答案中必须明确写出数值和单位) (1)(10分)小军同学在学习了电路和安全用电的有关知识后,回家对家里的用电器及用电情况进行了全面的调查,调查记录如表。
①星期天中午,小军用电饭煲煮饭的同时,观看电视新闻,为了节约能源,只开了厨房里的一盏灯,恰巧电冰箱正在工作.求这时小军家的家用电路中的总电流是多大?②小军的父母想在现有的电路上再安装一台1500w的空调机,请通过计算说明是否可行?(2)(13分)随着城市建设进程的加快,绵阳城内出现子许多高层建筑,电梯是高层建筑的重要组成部分。
某电梯公寓的电梯某次在竖直向上,运行的过程中,速度随时间变化的情况如图所示,忽略电梯受到的空气阻力和摩擦阻力,向上运行的动力只有竖直向上的电动机拉力,电梯箱和乘客的总质量为600 kg,g=10N/kg。
求:①电梯在匀速运动阶段上升的高度h1是多少?拉力F1做了多少功?②电梯在加速阶段的平均速度等于该阶段速度的最大值和最小值的平均值。
已知在加速阶段,电动机的拉力F2做了11520J的功;求加速阶段电动机拉力F2的大小?③电梯开始向上运动后经过64s,电动机的拉力的平均功率是多大?试题参考答案及评分意见一、选择题(共72分,每小题3分)14.B 15.B 16.C 17、D 18.A 19.C 20.D 21、C 22、 A 23.A 24.D 二、填空与解答题(共128分)30.(本题共20分,每空2分) (1)1.2×105 ,40 (2) >,< (3)1000.400 (4)0.1,0.24 (5)2,031.(本题共12分) (1)橡皮塞弹出(1分),化学能转化为内能(或内能转化为机械能)(1分)。