2014年6月英语四级考试真题听力原文(一) 1. W: I can’t seem to reach the tea at the back of the cupboar d. M: Oh… Why don’t you use the ladder? You might strain your shoulder. Q: What does the man suggest the woman do? 2. W: Since it’s raining so hard, let’s go and see the new exhibits. M: That’s a good idea. Mary Johnson is one of my favorite p ainters. Q: Where does the conversation most probably take place? 3. M: I hear the students gave the new teacher an unfair ev aluation. W: It depends on which student you are talking about. Q: What does the woman imply? 4. W: It must have taken you a long time to fix up all thes e book shelves.
M: It wasn’t too bad. I got Doris to do some of them. Q: What does the man mean? 5. W: Rod, I hear you’ll be leaving at the end of this mont h. Is it true? M: Yeah. I’ve been offered a much better position with anot her firm. I’d be a fool to turn it down. Q: Why is the man quitting his job? 6. W: I honestly don’t want to continue the gardening tomor row, Tony? M: Neither do I. But I think we should get it over with thi s weekend. Q: What does the man mean? 7. W: You’ve already furnished your apartment? M: I found some used furniture that was dirt cheap. Q: What do we learn from the conversation? 8. W: Has the mechanic called the bus repairers? M: Not yet .I’ll let you know when he calls.
make progress on the piano, one day, a boy 70. to a Paderewski’s concert by his mother. After they were seated, the mother saw a friend and walked up to g reet her, leaving the boy alone in 71. seat. Catching the chance to explore the wonders of the concert hall, the little boy stood up and finally made his way through a door 72. marked “No Admittance(进入)” . Soon, the hall got dark and the concert about to begin. When the mother 73. to her seat, discovered that the child was missing. Suddently the lights focused on the piano on the stage. In surprise, the mother
work can be truly beautiful. Next time, you set out to achieve great works, listen carefully. You can hear the voice of the master, whispering in your ear, “Don’t stop. Keep playing.” 解析 70. 考查一般过去时的被动语态,一天，一个小男孩被他妈妈带到 帕德雷夫斯基的音乐会。根据后文“by his mother”及上下文时态可知was taken。 71. 考查物主代词。根据上下文可知“把小男孩独自留在他的座位
2010年全国硕士研究生入学统一考试 计算机科学与技术学科联考 计算机学科专业基础综合试题 一、单项选择题：第1~40小题，每小题2分，共80分。下列每题给出的四个选项中，只有一个选项最符合试题要求。 1. 若元素a 、b 、c 、d 、e 、f 依次进栈，允许进栈、退栈操作交替进行，但不允许连续三次进行退栈操作，则不． 可能得到的出栈序列是______。 A ．d c e b f a B ．c b d a e f C ．b c a e f d D ．a f e d c b 2. 某队列允许在其两端进行入队操作，但仅允许在一端进行出队操作。若元素a 、b 、c 、d 、e 依次入此队列后再进行出队操作，则不．可能得到的出队序列是______。 A ．b a c d e B ．d b a c e C ．d b c a e D ．e c b a d 3.下列线索二叉树中（用虚线表示线索），符合后序线索树定义的是______。 A ． B ． C ． D ． 4.在右图所示的平衡二叉树中，插入关键字48后得到一棵新平衡二叉树。在新平衡二叉树中，关键字37所在结点的左、右子结点中保存的关键字分别是______。 A ．13，48B ．24，48 C ．24，53 D 、24，90 5.在一棵度为4的树T 中，若有20个度为4的结点，10个度为3的结点，1个度为2的结点，10个度为1的结点，则树T 的叶结点个数是______。A ．41 B ．82 C ．113 D ．122 6. 对n （n ≥2）个权值均不相同的字符构造成哈夫曼树。下列关于该哈夫曼树的叙述中，错误．．的是______。 A ．该树一定是一棵完全二叉树。B ．树中一定没有度为1的结点。 C ．树中两个权值最小的结点一定是兄弟结点。 D ．树中任一非叶结点的权值一定不小于下一层任一结点的权值。 7.若无向图G=（V , E ）中含有7个顶点，要保证图G 在任何情况下都是连通的，则需要的边数最少是_____。 A ．6 B ．15 C ．16 D ．21 8.对右图进行拓扑排序，可以得到不同的拓扑序列的个数是_____。A ．4 B ． 3 C ．2 D ．1 9. 已知一个长度为16的顺序表L ，其元素按关键字有序排列。若采用折半查找法查找一个L 中不存在的元素，则关键字的比较次数最多的是_____。A ．4 B ．5 C ．6 D ．7 10.采用递归方式对顺序表进行快速排序。下列关于递归次数的叙述中，正确的是______。 A ．递归次数与初始数据的排列次序无关。 24 13 53 37 90
全网最完整！！！ 2018 年四级必备！！！ 2018 年 6 月英语四级真题听力原文及答案解析（完整版） Section A News Report One A message in a bottle sent out to sea by a New Hampshire man more than five decades ago was found 1500 miles away and he’ s been returned to his daughter. The long lost message was discovered by Clint Buffington of Utah while he was vacationing.Buffington says he found a soda bottle half-buried in the sand that looked like it had been there since the beginning of time. The note inside the bottle said, "Return to 419 Ocean Street and receive a reward of $150 from Richard and Tina Pierce, owners of the beach Comber motel. The motel was owned by the Paula Pierce in 1960. Her father had written the notes as a joke and had thrown it into the Atlantic Ocean. Buffington flew to New Hampshire to deliver that message to Pola Pierce. She held up to her father's promise giving Buffington that reward. But the biggest reward is the message in a bottle finding its way back home. Questions 1 and 2 are based on the news report you have just heard. 1.What is the news report mainly about? 2.Why did Paula Pierce give Clint Buffington the reward? News Report Two Millions of bees have died in South Carolina during aerial insect spraying operations that were carried out to combat the Zika virus. The insects spraying over the weekend left more than 2 million bees dead on the spot in Dorchester county South Carolina, where four travel-related cases of Zika disease have been confirmed in the area. Most of the deaths came from Flower Town Bee farm, a company in Somerville that sells bees and honey products. Juanita Stanley who owns the company said the farm looks like it's been destroyed. The farm lost about 2.5 million bees. Dorchester county officials apologized for the accidental mass killing of bees. Dorchester County is aware that some beekeepers in the area that was sprayed on Sunday lost their bee colonies. County manager Jason Ward said in a statement.“ I'm not pleased that so many bees were killed.” Questions 3 and 4 are based on the news report you have just heard. 3.Why was spraying operations carried out in Dorchester County? 4.What does the news reports say about Flower Town Bee farm? News Report Three
中考英语词汇运用综合练习3（附答案） 1.China's (大学)will offer a number of high-quality courses in English to intentional students. 2.For more than (四十) years of reform and opening up, China has been learning a lot from the world. 3.The purpose of homework is to help students keep (学习) during the holiday. 4.So far, the country has a total of 191 direct (航班)and trains. 5. A full moon （升起） behind the roof of Jiaolou, in the Forbidden City of Beijing, April 7, 2020 6. Local governments throughout China, （包括） Shanghai, are encouraging the use of public chopsticks. 7.De Blasio had ordered public schools shut beginning March 16 （阻止）the spread of the disease. 8.These matches had been planned to take place on （三月）26 and 31 in Buriram, Thailand. 9. A panda baby at a panda base in Southwest China's Sichuan province died of an （事故）. 10.Eat when you're （饥饿）. Don't eat when you're not 11.Fear of （失败）is one of the main factors stopping people getting what they want. 12.It's one of the main （原因） that some people who get what they want and other don't. 13.There are no （秘诀） to success. It is the result of preparation, hard work and learning from failure. 14.When I was younger and not as （自信的） as I am today. 15.I was too busy （尝试） to live up to other people's expectations of me. 16.I was too afraid of being judged by （社会） for doing what I believed in, instead of what they believed in. 17.（听）is so much more important than talking. 18.Be （耐心的）with the world around you. 19.Support your friends dreams and （鼓励） them whenever you can. 20.I （离开）the city and I went home to be with him. 21.If someone could have asked me the （糟糕的） thing that could ever happen, it would have been losing her 22.In order to feel like a good gift giver, people need to consider the （成本）of gift. 23.I’s common that young people want to be creative and （惊讶）the world.
2010年全国硕士研究生入学统一考试-政治试题 一、单项选择题：1～16小题，每小题1分，共16分。下列每题给出的四个选项中，只有一个选项是符合题目要求的。请在答题卡上将所选项的字母涂黑。 1. 1984年1月3日，意大利人卡内帕给恩格斯写信，请求他为即将在日内瓦出版的饿《新纪元》周刊的创刊号题词，而且要求尽量用简短的字句来表述未来的社会主义纪元的基本思想，以区别于伟大诗人但丁的对旧纪元所作的“一些人统治，另一些人受苦难”的界定。恩格斯回答说，这就是：“代替那存在着阶级和阶级对立的资产阶级旧社会的，将是这样一个联合体，在那里，每个人的自由发展是一切人的自由发展的条件。”这段话表明，马克思主义追求的根本价值目标是（） A．实现人的自由而全面的发展 B．实现人类永恒不变的普适价值 C．建立一个四海之内皆兄弟的大同世界 D．建立一个自由，平等，博爱的理性王国 2.有一则箴言：“在溪水和岩石的斗争中，胜利的总是溪水，不是因为力量，而是因为坚持。”“坚持就是胜利”的哲理在于（） A．必然性通过偶然性开辟道路 B．肯定中包含着否定的因素 C．量变必然引起质变 D．有其因必有其果 3. 右边这张照片反映出由于气候变暖，北极冰盖融化，致使北极熊无处可去的场景，颇具震撼力。它给我们地球上的人类发出的警示是（） A．人与自然的关系成为人与人之间一切社会关系的核心 B．生态失衡已成为自然界自身周期演化不可逆转的趋势 C．自然地理环境已成为人类社会发展的根本决定力量 D．生态环境已日益成为人类反思自身活动的重要前提 4. 劳动力成为商品是货币转化为资本的前提条件，这是因为（） A．资本家购买的是劳动力的价值 B．劳动力商品具有价值和使用价值 C．货币所有者购买的劳动力能够带来剩余价值 D．劳动力自身的价值能够在消费过程中转移到新的商品中去 5.1981年党的十一届六中全会通过《关于建国以来党的若干历史问题的建议》对我国社会主要矛盾作了规范的表述：“社会主义改造完成以后，我国所要解决的主要矛盾，是人民日益增长的物质文化需要同落后的社会生产之间的矛盾。”我国社会主要矛盾的主要方面将长期是（） A．生产力落后 B．生产力不断发展的要求 C．经济文化发展不平衡
2016年6月大学英语四级真题听力原文(一二三套) 2016年6月大学英语四级真题第一套听力原文 SectionA News report 1 The international labor organization says the number of people without jobs is increasing. In its latest update on global employment trends, the agency says projections of the number on unemployed people this year range from 210 million to nearly 240 million people. The report warns that 200 million poor workers are at risk of joining the ranks of people leaving on less than 2 dollars per day in the past 3 years. The Director-General of the International Labor Organization Juan Somavia notes that some countries have taken measures to address the effects of the global crisis. However, he points out that many countries have not done so. And based on past experiences, it takes 4-5 years after economic recovery for unemployment to return to pre-crisis levels. Mr. Somavia says the International Labour Organization is proposing a global job agreement to deal with unemployment. “It's key objective is to place the center of recovery efforts, measures will generate higher levels of employment and provide basic social protection for the most vulnerable.” 1、What is the news report main about? 2、What does Juan Somavia, Director-General of the International Labour Organization say? News Report 2 Big fast food chains in New York city have started to obey a first kind of its rule, requiring them to post calorie counts right on the menu. City Nurses is with New York department of health. “We wanted to give people an opportunity to actually see the calories before they purchase the food and make a decision and informed decision that if they want to make the healthier choice. If they want to eat fewer calories, they can. And we expect this will have a huge impact on obesity. And of course, if this has an impact on obesity, it will have an impact on diabetes and heart disease and high blood pressure.” The new rules will be introduced as a part of anti-obesity campaign. That also includes a recent citywide ban on artificial trans-fats in restaurant food. The menu roll only applies to restaurants that serves standardized potion sizes and have fifty or more locations nationwide. Starting last Saturday, chains big enough to fall under the rule will face penalties of up to 2000 dollars for not showing calorie information in a prominent sports on their menus, preferably next to the price. 3. what are big fast food chains in New York city required to do according to the new rule? 4.What will happen to big restaurant chains that violate the new rule? News Report 3 Almost all companies recognize the importance of innovation today, but not many are able to
中考英语词语运用专项练习 每日谚语 Diligence is the first step to succeed.自信是走向成功的第一步。 学习目标：1，熟记词性变化顺口溜，以防选词正确但词性错误而前功尽弃。 2，认真研究领悟技巧分析的24条经验总结，以达到以不变应万变。 3，通过本节课的学习，努力让自己的词语运用题能提高1-2分。解题策略（步骤）: 研、寻、定、查 解题技巧 A 分析词性：各种词性本身的变化情况 为了方便记忆，试着记住下面的顺口溜： 空前空后要注意，名词单复要牢记，还有’s不能弃； 动词注意要变形（共4种）；形、副注意用三级； 要填数词请留意，千万别忘“基”和“序”； 填入代词需慎重，五格变化要谨记； 介词、连词最省力，看见照抄就可以。 B.注意各种词性之间的相互转换。 1.v.+er/or--n.(人) eg. teach visit invent 2.adj.+ly---adv. eg. Careful quick 3.n.+ly---adj. eg. Friend month 4.adj---n. eg.Important different health 5.v.---adj. eg.die miss 6.v.+tion---n. eg. Invent pollute 7.v.+ment---n. eg. develop move 8.adj.+ness---n. eg. happy sad
9.--less是adj.的词尾,并且是反义eg. careful helpful C.具体情况分析 1.be后面可以填三种形式：现在分词、过去分词或形容词。- - - be + Ving构成进行时；be + adj.表状态; be +Ved2 构成被动语态 2.冠词、形容词、物主代词和名词所有格后填名词。 ----- a/an/the + n. ; adj. + n. ；物主代词+n. ; n’s +n. 3.名词前可填形容词、形容词性物主代词或名词所有格。 ------ adj. +n. ；物主代词+n.；n’s+n 4.动词或动词短语后填副词------v.+ adv. 或adv. +v. 5.两个句子之间填连词 6.冠词和名词之间填形容词。------冠词+ adj. +n. 7.have/has/had 后首先考虑填动词的过去分词 ------have /has /had +Ved2构成现在完成时态 8.数字(除one外)后面填名词复数,序数词后填名词单数。 ------基数词(除one外)+ n. (pl.)序数词+n.(单数) 9.如果需要填数词，则看名词，名词是复，填基数词；名词是单数填序数词或one --基数词+ n. (pl.) 序数词/ one +n.(单数) 10.通过所缺词前后的关键词，填出答案。如： many / few / several / most + n. (pl.) ; much + -er ; -er +than 11.句首空词，并且后面有逗号，考虑填副词。 ------However,/Luckily ,/ Unluckily Also, / Most importantly , +句子 12.句中不缺成分，考虑填副词，句末一定是副词 13.通过固定短语填出所缺的词。 eg. keep in touch with ; play a joke on ; be on a visit to
1．关于比特的叙述，错误的是_________。 A．存储(记忆)1个比特需要使用具有两种稳定状态的器件 B．比特的取值只有“0”和“1” C．比特既可以表示数值、文字、也可以表示图像、声音 D．比特既没有颜色也没有重量，但有大小 2．下列关于信息系统的叙述，错误的是_________。 A．电话是一种双向的、点对点的、以信息交互为主要目的的系统 B．网络聊天室一种双向的、以信息交互为主要目的的系统 C．广播是一种点到面的、双向信息交互系统 D．因特网是一种跨越全球的多功能信息系统 3．下列关于IC卡的叙述，错误的是_________。 A．IC卡按卡中镶嵌的集成电路芯片不同可分为存储器卡和CPU卡 B．现在许多城市中使用的公交IC卡属于非接触式IC卡 C．只有CPU卡才具有数据加密的能力 D．手机中使用的SIM卡是一种特殊的CPU卡 4．对两个8位二进制数01001101与00101011分别进行算术加、逻辑加运算，其结果用八进制形式表示分别为__________。 A．120、111 B．157、157 C．170、146 D．170、157 5．内存容量是影响PC机性能的要素之一，通常容量越大越好，但其容量受到多种因素的制约。下列因素中，不影响内存容量的因素是__________。 A．CPU数据线的宽度B．主板芯片组的型号 C．主板存储器插座类型与数目D．CPU地址线的宽度 6．下列存储器按读写速度由高到低排列，正确的是__________。 A．RAM、cache、硬盘、光盘B．cache、RAM、硬盘、光盘 C．RAM、硬盘、cache、光盘D．cache、RAM、光盘、硬盘 7．下列因素中，对微型计算机工作影响最小的是__________。 A．磁场B．噪声C．温度D．湿度 8．下列关于CPU的叙述，错位的是__________。 A．CPU中指令计数器的作用是统计已经执行过的指令数目 B．CPU所能执行的全部指令的集合称为该CPU的指令系统 C．CPU中含有若干寄存器 D．时钟频率决定着CPU芯片内部数据传输与操作速度的快慢 9．下列关于USB接口的叙述，错误的是__________。 A．主机可以通过USB接口向外设提供+5V电源 B．USB接口使用6线接线器 C．一个USB接口通过USB集线器可以连接最多127个设备 D．USB接口符合即插即用规范，即不需要关机或者重启计算机，就可以插拔设备 10．I/O操作是算机中最常见的操作之一，下列关于I/O操作的叙述，错误的是__________。A．I/O设备的种类多，性能相差很大，与计算机主机的连接方法也各不相同 B．为了提高系统的效率，I/O操作与CPU的数据处理操作通常是并行进行的 C．I/O设备的操作由I/O控制器负责完成的
2016年12月大学英语四级听力真题及答案卷 【听力】卷一?真题 听力试题: Part n Listening Comprehension (25minutes) Section A Direct ions: In this secti on, you will hear three n ews reports. At the end of each n ews report, you will hear two or three questi ons. Both the news report and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A) , B), C) and D). Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre. Questions 1 to 2 are based on the conversation you have just heard. 1. A) It was dan gerous to live in. C) He could no Ion ger pay the rent. B) It was going to be renovated. D) He had sold it to the royal family. 2. A) A strike. C) A forest fire.
中考英语词汇运用综合练习10（附答案） 1.To improve grammar, you should never ignore the ____________ (important) of reading out your writing loud. 2.The ____________ (success) of Frozen 2 comes at a perfect time for Hollywood. 3.You can learn about ____________(communicate) and environment, as well as maths, physics, and chemistry. 4. Last Sunday, Lucy____________ (say) goodbye to her parents at the station 5.I can look after ____________(me). I do not depend on anything else. 6.I became so bored with their____________(order) that I wished they would leave me alone. 7. I'm sure I forgot___________(anything), but I don't know what it is. 8. Be especially careful with the door. ____________(shut) it when you're in and lock it when you go out. 9.Thousands of people died of ____________(ill) in 13 hospitals in the 19th century. 10.They traveled for several days, and in the end they ____________ (arrive) home. 11. Norman Bethune was ____________(Canada), but he is one of the most famous heroes in China. 12. Deng says that she isn't ____________(clever)than anyone else. But she has a very strong will. 13. Labor day is also a festival to celebrate the ____________(begin) of summer. 14. While they ____________ (watch)TV, their mother was doing some cleaning. 15. He ____________(make)a lot of progress since he started to learn English last month. 16. After they landed, the first winter was the ____________(bad) thing they can think of now. 17. Like many Americans, we usually watch the games on television and enjoy ____________ (our) very much. 18. The first pioneers ____________(across) the Atlantic and arrived in America in the 17th century. 19. On first October, you can see ____________(nation) flags everywhere in China. 20. My family always go somewhere interesting as soon as the holiday____________(begin). 21. Every year, ____________(million) of people visit the Great Wall. 22. As we know, The Jinmao tower in Shanghai ____________(build) in 1999. 23. The terracotta army is one of the most famous ancient ____________(wonder) in China. 24. Mount Qomolangma is the ____________(high)mountain in the world. 25. Let's join the discussion about where ____________ ( spend)the coming holiday. 26. The students ____________(read) aloud when the teacher came into the classroom.
第1/10页 2010年普通高等学校招生全国统一考试 理科数学（必修+选修II ） 本试卷分第I 卷（选择题）和第II 卷（非选择题）两部分。第I 卷1至2页。第II 卷3至4页。考试结束后，将本草纲目试卷和答题卡一并交回。 第I 卷 注意事项： 1.答题前，考生在答题卡上务必用直径0.5毫米黑色墨水签字笔将自己的姓名、准考证号填写清楚，并贴好条形码。请认真核准条形码上的准考证号、姓名和科目。 2.每小题选出答案后，用2B 铅笔把答题卡上对应题目的答案标号涂黑，如需改动，用橡皮擦干净后，再选涂其他答案标号，在试题卷上作答无交通工效．．．．．．．．．．．．。 3.第I 卷共12小题，第小题5分，共60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。 参考公式： 如果事件A 、B 互斥，那么 球的表面积公式 )(()()P A B P A P B +=+ 24S R π= 如果事件A 、B 相互独立，那么 其中R 表示球的半径 )( ()()P A B P A P B ?=? 球的体积公式 如果事件A 在一次试验中发生的概率是P ，那么 34 3 v R π= n 次独立重复试验中事件A 恰好发生K 次的概率 其中R 表示球的半径 ())((10,1,2,,C ηκ ηηρκρ ρκη-A A =-=??? 一． 选择题 （1）复数3223i i +-= （A ）．i （B ）.-i （C ）.12—13i （D ）.12+13i （2） 记cos （-80°）=k ，那么tan100°= （A ） （B ）. — （C.） （D ）.
第2/10页 （3）若变量x ，y 满足约束条件则z=x —2y 的最大值为 （A ）．4 （B ）3 （C ）2 （D ）1 (4) 已知各项均为正数比数列{a n }中，a 1a 2a 3=5，a 7a 8a 9=10，则a 4a 5a 6= (B) 7 (C) 6 (5) 3 5的展开式中x 的系数是 (A) -4 (B) -2 (C) 2 (D) 4 (6) 某校开设A 类选修课3门，B 类选修课4门，一位同学从中共选3门。若要求两类课程中各至少一门，则不同的选法共有 （A ）30种 （B ）35种 （C ）42种 （D ）48种 （7）正方体1111ABCD A BC D -中，1BB 与平面1ACD 所成角的余弦值为 （A ） 3 （B ）33 （C ）23 （D ）6 3 （8）设1 2 3102,12,5 a g b n c -===则 （A ）a b c << （B ）b c a << （C ）c a b << （D ）c b a << （9）已知1F 、2F 为双曲线2 2 :1C χγ-=的左、右焦点，点在P 在C 上，12F PF ∠=60°， 则P 到χ轴的距离为 （A ） 2 （B ）6 2 （C 3 （D 6（10）已知函数()|1|f g χχ=，若0a b <<，且()()f a f b =，则2a b +的取值范围是 （A ）)+∞ （B ）[22,)+∞ （C ）(3,)+∞ （D ）[3,)+∞ （11）已知圆O 的半径为1，PA 、PB 为该圆的两条切线，A 、B 为两切点，那么PA 〃PB 的最小值为 （A ） （B ） （C ） （D ） （12）已知在半径为2的球面上有A 、B 、C 、D 四点，若AB=CD=2,则四面体ABCD 的体 积的最大值