2020年9月大学英语四级考试真题（一）答案与详解回回在线图书馆有PartWriting哪些优点呢？回了解一下吧！结构框图：第1段引出话题，指出写作目的：在信息高度共享的时代，在线图书馆有很多优点。The Advantages of第2段具体阐述在线图书馆的三大优点：节省时间和精力，足不出户就能获Online Libraries⊙取信息：具有丰富的数字资源；阅读方式和时间自由，内容可直接下载到电脑，不必在图书馆徘徊。第3段总结全文：在线图书馆是一个帮助我们更轻松获取知识的强大工具。范文点评：参考范文精彩点评The Advantages of Online Libraries【l】Online libraries are becoming increasingly popular.【2】Living in【1】严格按照题目要求中给出的提a highly shared information era,online libraries bring us much示语开篇点题。convenience.[3]This essay aims to tell you the advantages of online【2】描述社会背景，指出在线图书libraries.馆给我们带来了很多便利。[4]Firstly,you can save a great deal of time and energy to search【3】指出写作目的：说明在线图书information by using the online library.You can even get the馆的优点。information you need without stepping out of your dorm room.【4】【5】【7】分别使用Firstly、[5]Secondly,the abundant digital information might go beyond yourSecondly和Finally引出在线imagination compared with the real libraries.[6]For example,online图书馆的三大优点。同时对每libraries make it possible for you to read a rare book stored in only a个优点进行分析或举例，使论few large libraries.[7]Finally,you needn't linger over book shelves or证层次分明，有理有据。take notes in libraries.All the information could be downloaded into【6】使用For example进行举例your computer and you can decide when and how to read them.论证。[81 To sum up,we get a much easier access to knowledge by using【8】使用To sum up总结全文：通过online libraries,which are a powerful tool for modern people to read,在线图书馆，我们可以更轻松study and research.Thus,everyone is expected to learn how to use地获取知识。them.话题词汇：a collection of books藏书be entitled to..有…的资格diverse多种多样的publication出版；出版物四级2020年33public/private school公立/私立学校comprehensive综合的national library国家图书馆accessible易到达的，可进人的due到期的register记录，登记library card借书证Listening Comprehension逐题讲解听力▣热点。Section AQuestions 1 and 2 are based on the news report you have just heard.A NASA satellite orbiting over Portugal took photographs that reveal the effects of pollution from ships.Oneof the photos shows a thin film of clouds above the brilliant blue of the North Atlantic,cut by white lines ofthicker clouds that look like scars.(1)NASA officials explained those thicker clouds are signs of ship trafficbelow.When ships power their way through the ocean,they pump exhaust into the atmosphere,just as cars do.And those massive amounts of particles can cause clouds to form.Get enough of those particles in one place,asfrom the exhaust of a ship,and they can lead to the creation of new clouds easily visible from space."Theseclouds can be huge.Some of them stretch hundreds of kilometres from end to end,"NASA officials said.(2)It'slikely that these sorts of clouds are having some effect on the global climate,according to NASA officials.Butscientists aren't yet sure what effect it has.答案详解1.What has caused the thick clouds in the photos成了云层。taken by NASA satellite?2.What do NASA officials think about the thickA)【精析】细节辨认题。新闻开头提到，美国宇航局clouds?官员解释说这些较厚的云层是大西洋上船舶往来D)【精析】细节辨认题。新闻末尾提到，美国宇航局的标记，船舶在大西洋上来回穿梭，就像汽车将废官员称这些云层面积很大，可绵延数百公里，很可气排放到大气中一样排出颗粒物，大量的颗粒便形能会对全球气候造成一定的影响。Questions 3 and 4 are based on the news report you have just heard.Staff at a suburban supermarket in Melbourne say they feel unsafe at work after security guards wereremoved.This came after a series of physical attacks and verbal abuse by customers.(3)More than 50 workersat the store have signed a letter calling for a permanent security guard following a series of incidents,includinga customer threatening to attack a supervisor with a knife.A security worker had guarded the store each nightfrom 7 p.m.until 12 a.m.,but that had stopped suddenly on Monday,employees said.One worker said anangry customer had thrown a chicken at his head after complaining about how long she had waited to be served.Another worker said the lack of protection at the store made her feel uncomfortable at work.(4)However,thespokesman of the supermarket said the store had taken strong action in response to incidents."We have foundvery few instances of bad customer behavior at our store in the past year.In the rare cases we have seen badbehavior,we have taken strong action in response,including banning a customer from the store.答案详解3.For what purpose did the staff at a supermarket in市员工遭到了顾客的肢体攻击和口头漫骂。在发Melbourne sign a letter?生了一系列事件后，超市50多名员工联名写信，要C)【精析】目的原因题。新闻开头提到，墨尔本一家求雇用一名长期保安。超市的员工表示保安撤离后缺乏安全感，此前该超4.What did the spokesman of the supermarket say四级2020年34regarding the employees'demand?几乎没有顾客与员工发生冲突的事件。而在为数A)【精析】细节辨认题。新闻末尾提到，超市已经采不多的几次冲突中，超市也采取了措施，比如禁止取强有力的措施来应对这些冲突，在过去一年里，顾客进入超市。Questions 5 to 7 are based on the news report you have just heard.(5)Drivers on their way to the Polish capital of Warsaw on Wednesday morning found the road blocked byan unusual obstacle:tons of liquid chocolate that spilled onto the motorway.(6)A truck carrying the sweet loadhit a road barrier and overturned,blocking two lanes.The cracked tank spilled a pool of rapidly-hardeningchocolate,which quickly covered the width of the road.While the driver was taken to hospital with a brokenarm,firefighters struggled to remove a reported twelve tons of solid chocolate from the road.(7)Arepresentative for the firefighters told the local TV that removing the chocolate was worse than dealing withsnow.After contacting the chocolate manufacturer,the firefighters resorted to spraying hot,pressurized waterto get rid of the sticky substance.The local TV also noted that the cleanup spanned more than a mile,becausedrivers simply drove through the chocolate after the crash,leaving a long chocolate trail.But despite the stickysituation,firefighters and police attending to the cleanup were reportedly cheerful about the long task ahead.After all,who could be mad about twelve tons of chocolate?答案详解5.What did drivers on the motorway to Warsaw find?的卡车撞到路障后翻车，堵塞了两条车道。B)【精析】细节辨认题。新闻开头提到，周三早上，在7.What did the firefighters'representative tell the去往波兰首都华沙的高速公路上，司机们发现道路local TV?被数吨洒出的液体巧克力堵塞了。B)【精析】细节推断题。新闻中提到，一名消防员告6.What does the report say about the accident?诉当地电视台，清理这些巧克力比清理大雪还难，D)【精析】细节辨认题。新闻中提到，一辆载满甜食由此推断，清理洒出的巧克力是一个艰巨的任务。Section BQuestions 8 to 11 are based on the conversation you have just heard.M:Lisa,why did you pay for your meal with cash instead of the payment apps on your phone?W:Well,I've gone back to cash.I'm only using payment apps if that's the only option.(8)I'm trying to savemoney for a new phone,and I find that using cash rather than payment apps helps me to save.M:But how?Money is money,isn't it?I don't think it matters whether you take it out to the bank and put it inyour wallet or simply transfer from your bank account to the seller's bank account using an app.W:No,I believe it does matter.It's a psychological phenomenon.(9)I believe we have less connection withthe value of our money when we just tap the "Approve"buttons on our phones.M:You might have a point.Since I stopped carrying cash around and started using my phone apps to pay,(10)I may have developed a tendency to buy more small or non-essential items.W:That's highly possible.Think about the amount of time we spend with our phones in our hands,and all thethings we do with our phones.It sometimes seems that our phone is buying the product for us,not ourselves.M:(11-1)So cashless payment affects our ability to budget?W:I believe so.If we spend a hundred yuan in cash,we realize that we don't have that hundred yuan to spendon something else.But if we're spending electronically,we are less likely to make that mental calculation.M:(11-2)I stopped using my credit card because I found I was spending excessively.Perhaps I should take thesame approach of paying using my phoneW:It's worth considering.四级2020年35