2018 年 12 月大学英语四级考试精编解析(第一套 )Part Writing范文The Challenges of Living in a Big CityWith the development of economy and urbanization, the number of big cities is constantly increasing in China. While big cities are attracting more and more people, they also bring many challenges, such as traffic jam and pollution, just to name a few.The first problem that really bothers me is the traffic congestion in the rush hour. I hate waitingfor buses and being late. Therefore, I have to get up very early if I have an appointment in themorning. Next is that the large population in a big city makes it so crowded that you canpeaceful place unless staying at home. The supermarkets are always crowded, so are the cinemasand parks. Another consequence for such a large population is that it intensifies the inadequacy ofquality medical and educational resources, thus decreasing residents sense of happiness. As a result, although I am frequently asked whether I like to live in a big city or not, my answeris always no, definitely not. How about you?Part II Listening ComprehensionSection ANews Report One (1-2)(1)A device that weighs less than one Kilogram is part of a mission that will allow scientists to deliver fourth generation or 4G mobile coverage to the moon in 2019. If successful, the tinydevice will provide the moon with its first-ever mobile phone network. The lunar network will support high-definition streaming of video and data between the moon and Earth. The network is part of Mission to the Moon. This is a project with the goal of landing the first privately paid for mission to the moon. The 4G mission is set to launch from Cape Canaveral in the United States ona SpaceX Falcon 9 rocket in 2019. Mission to the Moon intends to establish and test the firstelements of a communications network on the moon. (2) The scientists working on the project opted to build a 4G, rather than a fifth generation or 5G network. This is because fifth generation networks are still in testing and trial phases. This means that a 5G network may not yet be stable enough to work on the moon s surface.答案解析1. What are scientists planning to do?答案 CSet up a mobile phone network on the moon.解析事实细节题。新闻开篇指出，A device that weighs less than one Kilogram is part ofa mission that will allow scientists to deliver fourth generation or 4G mobile coverage to the moonin 2019. If successful, the tiny device willprovide the moon with its first-ever mobile phonenetwork. 即 2019 年，科学家们将在月球上布设第4 代或者 4G移动网络。如果计划成功，月球将首次覆盖移动电话网络。由此可知，科学家计划在月球上布设移动电话网络。故答案为 C。2. Why did scientists choose to set up a 4G network in their mission?答案 AIt is stable.解析细节推断题。新闻末尾提到，The scientists working on the project opted to build a4G, rather than a fifth generation or 5G network. This is because fifth generation networks are still in testing and trial phases. This means that a 5G network may not yet be stable enough to work on the moon s surface即.科学家们计划在月球上布置 4G 网络而不是第 5 代或是 5G 网络，因为第 5 代网络系统目前仍处于测试阶段，如果布设在月球上可能会不够稳定。由此推断，科学家们之所以选用 4G网络是因为其稳定性好。故答案为A 。News Report Two (3-4)Firefighters responded to a fire Wednesday night at an abandoned mall in Hayward. The firewas reported at 9:26 p. m. at an old shopping center on Mission Avenue near Saint Mary s Six fire engines, two trucks and two chiefs responded to the scene. Crews had the fire under controlin about 45 minutes and managed to contain the fire to its point of origin. There were some people inside the building when the fire broke out, (3) but there were no reports of any injuries. Fire investigators have responded to the scene but have not yet determined the cause of the fire. Firefighters will remain on the scene until later this morning to ensure that the fire doesnagain. The shopping mall had not been in use since 2002. (4) In 2014, City Hall developed a plan to knock down the building and replace it with affordable housing. However, the plan was dropped due to lack of funds.答案解析3. What does the news item say about the fire?答案 BNo injuries were yet reported.解析事实细节题。新闻开头提到火灾发生的时间、地点以及救援情况。消防员用了大约 45 分钟控制了火势，火灾发生时楼内有人，but there were no reports of any injuries,即尚无人员伤亡的报道。故答案为B 。4. What had City Hall planned to do?答案 BPull down the deserted shopping mall.解析 事实细节题。新闻末尾提到，In 2014, City Hall developed a plan to knock down thebuilding and replace it with affordable housing.即着火的商场2002 年就已经弃用，2014 年市政厅计划拆除，改建保障性住房，但因资金匮乏计划未能实施。由此可知，市政厅的计划是拆除废弃的商场。故答案为B 。News Report Three (5-7)(5) Potato chips in Japan are being sold for 6 times their normal price. This is after the country main manufacturer stopped sales due to a potato shortage. Storms and floods in its main potato-growing region l