2016年6月大学英语四级真题及参考答案 Part ⅡListening Comprehension （听力部分共有两套） 四级第一套 Section A 1. C) Rising unemployment worldwide. 2. A) Many countries have not taken measures to create enough jobs. 3. B) Put calorie information on the menu. 4. A) They will be fined.C) They will get a warning. 5. D) Failure to integrate innovation into their business. 6. B) It is the creation of something new. 7. C) Its innovation culture. Section B 8. D) He does not talk long on the phone. 9. B) Talk at length. 10. A) He thought it was cool. 11. C) It is childish and unprofessional. 12. B) He is unhappy with his department manager. 13. A) His workload was much too heavy. 14. C) His boss has a lot of trust in him. 15. D) Talk to his boss in person first. Section C 16. A) The importance of sleep to a healthy life. 17. C) They get less and less sleep. 18. D) Their blood pressure will rise. 19. B) What course you are going to choose. 20. D) The personal statement. 21. C) Indicate they have reflected and thought about the subject. 22. B) It was built in the late 19th century. 23. D) They often broke down. 24. A) They were produced on the assembly line. 25. C) It marked a new era in motor travel. 四级第二套
四川大学网络教育学院《结构设计原理》第二次作业答案 你的得分： 90.0 完成日期：2014年09月09日 16点03分 说明：每道小题括号里的答案是您最高分那次所选的答案，标准答案将在本次作业结束(即2014年09月11日)后显示在题目旁边。 一、单项选择题。本大题共25个小题，每小题 2.0 分，共50.0分。在每小题给出的选项中，只有一项是符合题目要求的。 1. ( D ) A. a B. b C. c D. d 2.下列说法正确的是（）。 ( D ) A.加载速度越快，则得的混凝土立方体抗压强度越低 B.棱柱体试件的高宽比越大，测得的抗压强度越高 C.混凝土立方体试件比棱柱体试件能更好地反映混凝土的实际受压 情况 D.混凝土试件与压力机垫板间的摩擦力使得混凝土的抗压强度提高 3. ( B ) A. a B. b C. c D. d 4.在保持不变的长期荷载作用下，钢筋混凝土轴心受压构件中，（）。 ( C )
A.徐变使混凝土压应力减小 B.混凝土及钢筋的压应力均不变 C.徐变使混凝土压应力减小，钢筋压应力增大 D.徐变使混凝土压应力增大，钢筋压应力减小 5.适筋梁在逐渐加载过程中，当受拉钢筋刚刚屈服后，则（）。 ( D ) A.该梁达到最大承载力而立即破坏 B.该梁达到最大承载力，一直维持到受压区边缘混凝土达到极限压应 变而破坏 C.该梁达到最大承载力，随后承载力缓慢下降，直至破坏 D.该梁承载力略有增加，待受压区边缘混凝土达到极限压应变而破坏 6. ( B ) A. a B. b C. c D. d 7.提高受弯构件正截面受弯能力最有效的方法是（）。 ( C ) A.提高混凝土强度等级 B.增加保护层厚度 C.增加截面高度 D.增加截面宽度 8.在T形截面梁的正截面承载力计算中，假定在受压区翼缘计算宽度b′ f 内，（）。 ( A ) A.压应力均匀分布 B.压应力按抛物线型分布
全国高校网络教育大学英语统考（B）试题及答案(1) Part I 日常会话 1. – Hello, may I talk to the headmaster now?-- A. Sorry, he is busy at the moment B. No, you can’t C. Sorry, you can’t D. I don’t know 2. -- Do you think I could borrow your dictionary?-- A. Yes, you may borrow B. Yes, go on C. Yes, help yourself D. It doesn’t matter 3. -- Is that Mr Robert Lee?-- A. Yes, Lee speaking. B. Hello, what do you want? C. Sorry, speaking. D. I don’t know. 4. –Excuse me, sir. Where is Dr. Brown’s office?-- A. You can’t ask me B. Pardon? I have no idea C. Please don’t say so D. Sorry, I don’t know, but you can ask the man over there 5. – Mary, your dress is really beautiful. How is John?-- A. Thank you very much B. No, no, John is not bad C. Thank you. He is fine D. Don’t say that. It’s ugly. John is good 6. – What can I do for you, madam?-- . A. I want a kilo of apples B. You can go your own way C. Thanks D. Excuse me. I’m busy 7. –I’d like to take you to the coffee house on t he corner.- A. Thank you. You shouldn’t do that B. Thanks, I’d like to go with you C. No, you can’t say so D. No, no. You can’t do that 8. –Do you mind telling me where you’re from?-- A. Certainly. I’m from London B. Sure. I was b orn in London C. Not really, you can do it D. Certainly not. I’m from London 9. – May I see the menu, please?-- A. That is the menu, sir. B. Yes, please go on. C. Here you are, sir. D. Of course, sir. 10. – I was worried about chemistry, but Mr Brown gave me an A !-- . A. Don’t worry about it B. Congratulations! That’s a difficult course C.Mr Brown is very good D. Good luck to you! 1. – Would you like to have dinner with us this evening?-- A. OK, but I have to go to a meeting now B. No, I can’t C. I’d love to, but this evening I have to go to the airport to meet my parents D. I don’t know 2. – Hi, is Mary there, please?-- A. Hold on. I’ll get her. B. No, she isn’t here. C. Yes, she lives here. D. Yes, what do you want? 3. – Please help yourself to the fish.-- . A. Thanks, but fish doesn’t agree with me B. Sorry, I can’t help C. I don’t like fish D. No, I can’t 4. –Hurry up, please, or I’ll be late.-- . A. Sorry sir, but the traffic is thick now B. Well, it’s alright, sir C. How can you say that, sir? D. Oh, we are going the right way
四川大学网络教育学院考试试题1 一、单选题（每小题1分，共10分） 1．某律师事务所向社会公布本所迁址办公事宜应使用的正式公文文种是（）。 A启事 B启示 C公告 D通告 2．以下可以联合行文的机关单位是（）。 A四川省政府和中共成都市委 B 四川省委组织部、四川省人事厅和财政厅C四川省民政厅和成都市民政局 D某省教育厅和某集团总公司 3．以下行文应用“通告”行文的是（）。 A ××公司告知下属单位参加公司年度工作会议 B XX县政府向社会公开发文禁止乱占耕地 C XX大学告知校运动会的具体安排 D X XX公司任免本公司财务部总监4．××印务公司将所在市文化局的一份发文印发所属下级公司执行时应用（）。 A转发性通知 B印发性通知 C 批转性通知 D 告知性通知 5．以下可以用作法规又可用作规章的文种是 ( )。 A办法 B通报 C命令 D条例 6．在行政公文中以下项目中的数字可以使用小写汉字的是（）。 A发文字号 B百分比 C 成文日期 D 经费金额 7．中共××市委向下级党委的正式发文可以使用的文种是（）。 A通报工作要点答复 B报告函条例 C 公告通报批复 D通知会议纪要批复 8．按规定不能以机关单位名义向领导个人行文的正式公文文种是（）。 A 请求 B 报告 C 建议 D 方案 9．某总公司撤消下级分公司不适当的决定应该使用的正式公文文种是（）。 A 通报 B决定 C会议纪要 D请示 10．以下做法不正确的是（）。 A 会议纪要可以不盖章 B 一般文件成文日期就是写其印发日期 C 公文中应该使用法定计量单位 D一份公文的主题词由类别词-类属词-文种构成 二、多选题（每小题2分，共10分。每小题有2—5个正确选项，多选、漏选、错选均不得分） 1．确定一份公文文种的依据是（）。 A发文机关的权限 B 发文机关与主送机关之间的行文关系（工作关系） C 发文的具体目的和要求 D国家有关部门现有统一规定 E 本单位领导的要求2．××机关以下行文操作正确的是（）。 A一般文件的成文时间以领导签发日期为准 B内部机构不能对外行正式文件
2016年12月英语四级真题及答案详解和听力原文第二套 2016年12月英语四级真题第二套 Part I Writing (30minutes) (请于正式开考后半小时内完成该部分，之后将进行听力考试) For this part, you are allowed 30 minutes to write an essay. Suppose you have two options upon graduation: one is to work in a state-owned business and the other in a joint venture. You are to make a choice between the two. Write an essay to explain the reasons for your choice. You should write at least 120 words but no more than 180 words. Part II Listening Comprehension （25 minutes ) Section A Directions： In this section, you will hear three news reports. At the end of each news report, you will hear two or three questions. 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). Then mark the corresponding letter on the Answer sheet1with a single line through the centre. Questions 1 and 2 are based on the news report you have just the heard . 1. A) It was dangerous to live in. C) He could no longer pay the rent. B) It was going to be renovated. D) He had sold it to the royal family. 2. A) A strike. B)A storm. C) A forest fire. D) A Terrorist attack. Questions 3 and 4 are based on the news report you have just heard . 3. A) They lost contact with the emergency department. B) They were trapped in an underground elevator. C) They were injured by suddenly falling rocks. D) They sent calls for help via a portable radio. 4. A) They tried hard to repair the accident. B) They released the details of the accident. C) They sent supplies to keep the miners warm. D) They provided the miner with food and water. Question s 5 to 7 are based on the news report you have just heard . 5. A) Raise postage rates. C) Redesign delivery routes. B) Improve its services. D) Close some of its post offices. 6. A) Shortening business hours. C) Stopping mail delivery on Saturdays. B) Closing offices on holidays. D) Computerizing mail sorting processes. 7. A) Many post office staff will lose their jobs. C) Taxpayers will be very pleased. B) Many people will begin to complain. D) A lot of controversy will arise. Section B Directions： In this section，you will hear two long conversations. At the end of each conversation，you will hear four questions. Both the conversation and the questions will be spoken only once. After you hear a question, you must choose the
全国高校网络教育大学英语统考 （B ）试题及答案 Test 1 Part I 日常会话 1. — Hello, may I talk to the headmaster now -- A A. Sorry, he is busy at the mome nt C. Sorry, you can ' t 2. -- Do you think I could borrow your dictionary -- .C A. Yes, you may borrow C. Yes, help yourself 3. -- Is that Mr Robert Lee -- A A. Yes, Lee speak ing. C. Sorry, speak ing. 4. — Excuse me, sir. Where is Dr. Brow n - D. A. You can ' t ask me B. Pard on I have no idea C. Please don ' t say so D. Sorry, I don ' t know, but you can ask the man over there 5. - Mary, your dress is really beautiful. How is John -- .C A. Thank you very much C. Thank you. He is fine is good 6. - What can I do for you, madam -- .A A. I want a kilo of apples C. Thanks B. No, you can ' t D. I don ' t know B. Yes, go on D. It doesn ' t matter B. Hello, what do you want D. I don ' t know. 's office I ' d like to take you to the coffee house on the corner. B. You can go your own way D. Excuse me. I ' m busy
四川大学网络教育学院 网教院[2012]15号 四川大学网络教育学院学生课程学习成绩评定办法 （修订） 为了进一步完善网络教育的教学体系，加强学生的过程学习监控，根据网络教育的基本规律和特点，结合四川大学网络教育的实际情况，特制定本办法。 一、学生课程学习成绩的组成 学生课程学习成绩由形成性考核成绩和期末考试成绩组成。形成性考核成绩占课程学习成绩的35%，期末考试成绩占课程学习成绩的65%。 1、形成性考核成绩 形成性考核成绩是对学生平时课程学习过程的考核和评价。根据我校网络教育的实际情况，形成性考核成绩由以下三部分组成： ①课程网上作业成绩：占该课程学习成绩的25﹪； ②网上学习行为积分：占该课程学习成绩的10﹪。 ③课程学习小组讨论和参与课程网上月导学：教师根据学生参与情况加分（最高分为5分）。 2、期末考试成绩 课程的期末考试成绩是按照该课程期末考试卷面成绩的65﹪计算。 二、学生课程学习成绩的评定方式 （一）形成性考核成绩的评定： 1、课程网上作业成绩：为了帮助学生平时的课程学习，达到课程学习的基本要求，四川大学课程教学教师将按照课程教学大纲的要求，在课程教学学期内将该课程作业分次布置在网上。每个学生按照时间要求直接在网上完成，网上提交，由系统自动评阅判分。 2、网上学习行为积分： ①点击学习资源时间连续在线5分钟积0.1分，10分钟积0.2分，以此类推。累计不超过6分。 ②点击学习资源次数点击1次资源积0.1分，累计不超过2分。 ③课程论坛参与每个有效帖积0.5分，精华贴积1分，无效贴不加分，累计不超
过2分。 3、课程学习小组讨论成绩： 学生自学小组的学习是远程教育的一种重要学习形式。学生参加校外学习中心组织和安排的自学小组的学习情况将作为其形成性考核成绩的一部分，并由学生管理人员（班主任）负责学生的签到及考核工作（见附件一，存留备查）。 4、课程网上月导学和实时答疑成绩：课程教学老师根据学生参加网上导学和答疑情况综合评定学生网上成绩，并按照加分（最高分为5分）计入该门课程学习总成绩。 （二）期末考试成绩的评定： 期末考试成绩评定由阅卷教师或阅卷小组根据期末考试试卷阅卷要求及评分细则给分。 三、学生课程学习成绩评定的组织和管理工作 1、各校外学习中心要按照四川大学网络教育学院的规定和要求认真组织学生及时完成课程网上作业。 2、各校外学习中心要认真组织学生参与网上学习和课程论坛讨论。 3、各校外学习中心要按照四川大学网络教育学院的规定和要求建立和完善学生自学学习小组，并组织和安排学生自学学习小组开展多种形式的学习讨论和学习交流活动，同时作好相应的学生签到及成绩考核评定工作（见附件一）。 附件一：《四川大学网络教育学院学生学习小组学习讨论签到表》 四川大学网络教育学院 二○一二年九月二十日 主题词：远程教育课程学习成绩评定办法 四川大学网络教育学院二○一二年九月二十日印发
2016年大学英语四级真题(第三套)完美Word打印版
2016年6月四级考试真题(第三套) Part Ⅰ Writing (30 minutes) Directions：For this part,you are all owed 30 minutes to write a l etter to express your thanks to one of your school teachers upon entering coll ege.You shoul d write at l east 120 words but no more than 180 words． Part Ⅱ Listening Comprehension (25 minutes) 说明：2016年6月四级真题全国共考了两套听力。本套（即第三套）的听力内容与第二套的完全一样，只是选项的顺序不一样而已，故在本套中不再重复给出。 Part Ⅲ Reading Comprehension (40 minutes) Section A Directions：In this section，there is a passage with ten blanks．You are required to select one word for each blank from a list of choices given in a word bank following the passage．Read the passage through carefully before making your choices．Each choice in the bank is identified by a l etter．Pl ease mark the corresponding l etter for each item on Answer Sheet 2 with a singl e line through the centre．You may not use any of the words in the bank more than once． Physical activity does the body good，and there’s growing evidence that it helps the brain too．Researchers in the Netherlands report that children who get more exercise，whether at school or on their own．26 to have higher GPAs and better scores on standardized tests．In a 27 of 14 studies that looked at physical activity and academic 28，investigators found that the more children moved．the better their grades were in school，29 in the basic subjects of math，English and reading． The data will certainly fuel the ongoing debate over whether physical education classes should be cut as schools struggle to 30 on smaller budgets．The arguments against physical education have included concerns that gym time may be taking away from study time．With standardized test scores in the U．S．31 in recent years，some administrators believe students need to spend more time in the classroom instead of on the playground．But as these findings show,exercise and academics may not be 32 exclusive．Physical activity can improve blood 33 to the brain，fueling memory,attention and creativity,which are34 to learning．And exercise releases hormones that can improve 35 and relieve stress，which can also help learning．So while it may seem as if kids are just exercising their bodies when they，re running around，they may actually be exercising their brains as well． A．attendance B．consequently C．current D．depressing E．dropping F．essential G．feasible H．flow I．mood J．mutually K．particularly L．performance M．review N．survive O．tend Section B Directions：In this section，you are going to read a passage with ten statements attached to it．Each statement contains information given in one of the paragraphs．Identify the paragraph from which the information is derived You may choose a paragraph more than once．Each paragraph is marked with a l etter．Answer the questions by marking the corresponding l etter on Answer Sheet 2． Finding the Right Home—and Contentment，Too A．When your elderly relative needs to enter some sort of long．term care facility-a moment few parents or
第一部分交际英语 ……………………………………………………………………………………………………….. ----------------以下红色1-60重点掌握看，可得分值9-12分----------------- 1.-Are you going on holiday for a long time?你度假很长时间吗？ -- ____C____ 不是，只是几天。 A. It was a long time B. Two weeks ago. C. No. Only a couple of days. D Not long time ago. 2.-Could you help me with my physics, please? 请问你能帮我做物理课作业吗？ -___D___.很抱歉不行。我马上要去开会。（表示歉意要婉转，不能直接说NO 还应加理由）A. No, no way B. No, I couldn’t C. No, I can’t D. Sorry I can’t. I have to go to a meeting right now 3.-Could I speak to Don Watkins, please? 我能和Don Watkins说话吗？ - ___A___ 我就是。 A. Speaking, please. B. Oh, how are you? C. I’m listening. D. I’m Don. 4.-Could I borrow your car for a few day? 我能借你的车用几天吗？ -____C____.当然可以。给你。祝你旅途愉快。 A. Yes, you may borrow B. Yes, go on C. Sure, here is the key. Enjoy your journey D. It doesn’t matter 5.-Congratulations!You won the first prize in today’s speech contest. -___C___. 祝贺你在今天的演讲比赛中获得冠军。--谢谢你。 A. Yes, I beat the others B. No, no, I didn’t do it w ell C. Thank you D. It’s pleasure 6.-Do you mind my smoking here? 你介意我在这吸烟吗？（介意询问时，YES是表示介意）-_____B____.是的，我介意 A. No, thanks B. Yes, I do C. Yes, I’d rather not D. Good idea 7.- Did you know that David injured his leg yesterday?你知道戴维昨天弄伤了他的腿吗？ - Really? ____C___真的吗？发生了什么事？ A、Who did that? B、What's wrong with him? C、How did that happen? D、Why was he so careless? 8.-Excuse me, how much is the jacket?请问，这件夹克衫多少钱？ -It’s 499 Yuan. ____D____. 499元。你想试一下吗？ A. Oh, no. That’s OK! B. How do you like it? C. Which do you prefer? D. Would you like to try it on? 9.-Excuse me, could you show me the way to the nearest post office? 打扰下，你能告诉我最近的邮局怎么走吗？ - ___D___Oh yes! Two blocks away from here at the Green Avenue. You can’t miss it. 噢，我想下！从这里过两个街区，在格林大街，你不会错过 A. I beg your pardon? B. What do you m ean? C. You’re welcome. D. Um,let me think. 10.-How are you, Bob?你好吗，鲍勃？-____B____, Ted.我很好，谢谢。
四川大学网络教育（专升本） 电气工程及其自动化专业课程设计大纲 课程设计的目的是通过一个实际工程的设计，巩固和加深对课程所学理论知识的理解；培养学生分析问题和独立解决实际问题的能力，理论联系实际的能力，技术与经济全面考虑问题的观点；初步学习工程经济的计算方法等。因此，课程设计是专业课程教学中重要的实践性环节。 电气工程及其自动化专业网络教育专升本层次教学计划中设置了专业课课程设计。为此，我院开设了“电力系统调度自动化”、“发电厂电气部分”和“电力市场”三门专业课的课程设计，以供学生选择。． “调度自动化及信息管理系统”程设计教学大纲 ——县级调度自动化系统的结构功能设计本大纲主笔人：滕欢周步祥一、课程设计的目的 通过本课程设计，使学生能够对调度自动化系统的体系结构有一个感 性认识，通过查阅资料，了解调度自动化系统设计的国家标准，掌握调度自动化系统的基本功能、硬软件结构、技术指标。 二、课程设计要求 （1）范围：包括厂站RTU、主站计算机系统及其通信通道；（2）内容：设计基本功能、硬软件结构、技术指标； 三、设计报告 （1）设计名称、目的、作用 （2）设计基本要求 （3）设计过程及结果（设计图纸） （4）结论
（5）参考资料 “电气设备”课程设计任务及指导书 本大纲主笔人：李长松 一、课程设计的目的 本课程设计是在《电气设备》课程教学过程中进行的，是《电气设备》课程的课堂讲授、课程设计及生产实习三大教学环节之一。通过该课程设计，目的是使学生达到： ⑴理论联系实际，巩固《电气设备》课程的理论知识； ⑵培养工程计算、独立分析和解决问题的能力； ⑶树立工程观点，初步学习和掌握发电厂和变电所电气部分设计的基本方法，获得计算、分析和解决问题的能力的训练。 二、课程设计的依据 整个课程设计应根据设计任务书和国家现行的有关政策和已颁布的设计技术规程、规范进行。 三、课程设计的内容 本课程设计不是发电厂电气部分的全面设计，大体只相当于实际工程电气一次部分初步设计的内容，其中一部分可达技术设计的要求深度。具体设计内容如下： ⑴对原始资料的分析 包括本工程情况、电力系统情况、负荷情况以及环境条件等。 ⑵电气主接线的设计 包括各级电压接线方式、主变压器的选择；不同可行方案的技术经济比较及最终方案的确定。 ⑶短路电流的计算 在确定的主接线方案中，按电器设备选择的需要选定短路点，计算各个支路I 、I（35kV及0.1 0以上电压等级处短路点）、I（6～10kV电压等级处短路点）、I及i的短路电流值。sh 0.2∞⑷主要电器设备的选择 包括全厂的主变压器、断路器、隔离开关、电抗器、母线、电缆、电压互感器、电流互感器、绝
2016年6月18日大学英语四级真题答案与解析 写作 题目： Directions: For this part, you are allowed 30 minutes to write a letter to express your thanks to one of your friends who helped you most when you were in difficulty. You should write at least 120 words but no more than 180 words. 今年四级时隔九年之后首次考了一道应用文写作，虽然出乎意料，但是大家可以根据题干中的关键词“letter”迅速判断今年要写的是书信。书信本身难度不大，但是需要特别注意英文书信的书写格式。 一、四级书信格式要求 1、抬头：收件人的姓名 2、正文：三段式 3、落款：祝福（yours sincerely）写信人名 二、感谢信格式模板: Dear ______, I am writing to extend my sincere gratitude for __________________(感谢的原因). If it had not been for your assistance in __________________(对方给你的具体帮助), I fear that I would have been___________________(没有对方帮助时的后果). No one would disagree that it was you who___________________________(给出细节). Again, I would like to express my warm thanks to you! Please accept my gratitude. Best wishes. Yours sincerely， Li Ming
2015年大学英语四级词汇表 abandon vt.丢弃；放弃，抛弃ability n.能力；能耐，本领abnormal a.不正常的；变态的aboard ad.在船(车)上；上船abroad ad.(在)国外；到处absence n.缺席，不在场；缺乏absent a.不在场的；缺乏的absolute a.绝对的；纯粹的absolutely ad.完全地；绝对地absorb vt.吸收；使专心abstract a.抽象的n.摘要abundant a.丰富的；大量的abuse vt.滥用；虐待n.滥用academic a.学院的；学术的academy n.私立中学；专科院校accelerate vt.(使)加快；促进acceleration n.加速；加速度accent n.口音，腔调；重音acceptable a.可接受的，合意的acceptance n.接受，验收；承认access n.接近；通道，入口accessory n.同谋，从犯；附件accident n.意外的；事故accidental a.偶然的；非本质的accommodate vt.容纳；供应，供给 accommodation n.招待设备；预定铺位 accompany vt.陪伴，陪同；伴随accomplish vt.达到(目的)；完成accord vt.使一致；给予accordance n.一致；和谐；授予accordingly ad.因此，所以；照着account n.记述；解释；帐目accumulate vt.积累vi.堆积accuracy n.准确(性)；准确度accurate a.准确的，正确无误的accuse vt.指责；归咎于accustom vt.使习惯accustomed a.惯常的；习惯的achieve vt.完成，实现；达到achievement n.完成；成就，成绩acid n.酸；酸的，酸性的acquaintance n.认识；了解；熟人acquire vt.取得；获得；学到acre n.英亩(=6.07亩) act vi.行动；见效n.行为 action n.行动；作用；功能 active a.活跃的；积极的 activity n.活动；活力；行动 actress n.女演员 actually ad.实际上；竟然 acute a.尖的，锐的；敏锐的 adapt vt.使适应；改编 add vt.添加，附加，掺加 addition n.加，加法；附加物 additional a.附加的，追加的 address n.地址；演说；谈吐 adequate a.足够的；可以胜任的 adjective n.形容词a.形容词的 adjust vt.调整，调节；校正 administration n.管理；管理部门 admire vt.钦佩，羡慕，赞赏 admission n.允许进入；承认 admit vt.承认；准许…进入 adopt vt.收养；采用；采取 advance vi.前进；提高n.进展 advanced a.先进的；高级的 advantage n.优点，优势；好处 adventure n.冒险；惊险活动 adverb n.副词 advertisement n.广告；登广告 advisable n.明智的；可取的 advise vt.劝告；建议；通知 aeroplane n.飞机 affair n.事情，事件；事务 affect vt.影响；感动 affection n.慈爱，爱；爱慕 afford vt.担负得起…；提供 African a.非洲的n.非洲人 agency n.经办；代理；代理处 agent n.代理人，代理商 aggressive a.侵略的；好斗的 agony n.极度痛苦 agreement n.协定，协议；同意 agriculture n.农业，农艺；农学 aid n.帮助，救护；助手 aircraft n.飞机，飞行器 airline n.航空公司；航线 airplane n.飞机 airport n.机场，航空站 alarm n.惊恐，忧虑；警报 alcohol n.酒精，乙醇 allow vt.允许，准许；任 alloy n.合金；(金属的)成色 alone a.单独的ad.单独地 alphabet n.字母表，字母系统 alter vt.改变，变更；改做 alternative n.替换物；取舍，抉择 although conj.尽管，虽然 altitude n.高，高度；高处 altogether ad.完全；总而言之 aluminium n.铝 amaze vt.使惊奇，使惊愕 ambition n.雄心，抱负，野心 ambulance n.救护车；野战医院 amongst prep在…之中(=among) amount n.总数；数量；和 ampere n.安培 amplify vt.放大，增强；扩大 amuse vt.逗…乐；给…娱乐 analyse vt.分析，分解，解析 analysis n.分析，分解，解析 ancestor n.祖宗，祖先 anchor n.锚vi.抛锚，停泊 ancient a.古代的，古老的 angel n.天使，神差，安琪儿 anger n.怒，愤怒vt.使发怒 angle n.角，角度 angry a.愤怒的，生气的 ankle n.踝，踝节部 announce vt.宣布，宣告，发表 announcer n.宣告者；播音员 annoy vt.使恼怒；打搅 annual a.每年的n.年报 anticipate vt.预料，预期，期望 anxiety n.焦虑，忧虑；渴望 anxious a.忧虑的；渴望的 anyway ad.无论如何 apart ad.相隔；分开；除去 apartment n.一套公寓房间 apologize vi.道歉，谢罪，认错 apology n.道歉，认错，谢罪 apparatus n.器械，仪器；器官 apparent a.表面上的；明显的 1