2018年12月大学英语四级真题完整版(第1套)_外语学习-英语四六级.pdf

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1、 2018年 12 月大学英语四级真题完整版（第 1 套）Part I Writing (30 minutes)Directions:For this part，you are allowed 30 minutes to write a short essay on the challenges of living in a big city.You should write at least 120 words but no more than180 words.Part Listening Comprehension (25 minutes)Section A Directions:In

2、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 then 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 corre

3、sponding letter on Answer Sheet 1with a single line through the centre.Questions 1 and 2 are based on the news report you have just heard.1.A)Land a space vehicle on the moon in 2019.B)Design a new generation of mobile phones.C)Set up a mobile phone network on the moon.D)Gather data from the noon wi

4、th a tiny device.2.A)It is stable.B)It is durable.C)It is inexpensive.D)It is sophisticated.Questions 3 and 4 are based on the news report you have just heard.3.A)It lasted more than six hours.B)No injuries were yet reported.C)Nobody was in the building when it broke out.D)It had burned for 45 minut

5、es by the time firefighters arrived.4.A)Recruit and train more firefighters.B)Pull down the deserted shopping mall.C)Turn the shopping mall into an amusement park.D)Find money to renovate the local neighborhood.Questions 5 and 6 are based on the news report you have just heard.5.A)Shrinking potato f

6、arming.B)Heavy reliance on import.C)Widespread plant disease.D)Insufficient potato supply.-欢迎下载 2 6.A)It intends to keep its traditional diet.B)It wants to expand its own farming.C)It is afraid of the spread of disease.D)It is worried about unfair competition.7.A)Global warning.B)Ever-rising prices.

7、C)Government regulation.D)Diminishing investment.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 best

8、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 8 to 11 are based on the conversation you have just heard.8.A)Informative.B)Inspiring.C)Dull.D)Shallow.9.A)She types on a keyboard.B)She does record

9、ing.C)She take photos.D)She take notes.10.A)It keeps her mind active.B)It makes her stay awake.C)It enables her to think hard.D)It helps her kill time.11.A)It enables her to improve her pronunciation.B)It helps her better remember what she learns.C)It turns out to be an enjoyable way of learning.D)I

10、t proves to be far more effective than writing.Questions 12 to 15 are based on the conversation you have just heard.12.A)To spend her honeymoon.B)To try authentic Indian food.C)To take photos of the Taj Mahal.D)To trace the origin of a love story.13.A)In memory of a princess.B)In honor of a great em

11、peror.C)To mark the death of an emperor of the 1600s.方程的一根则另一根为若为一元二次方程的两根则如图一架梯子斜靠在墙上若梯子底端到墙的距离米则梯子长米已知一个三角形的两边长为和若第三边长第题图是方程的一个根则这个三角形周长为面积为计算二选择题关于的一元二形共有对对对对在中若则等于如图中边高边长为的正方形的一边在上其余两个顶点分别在上则正方形边长为学习必备欢迎下载如图在平行四边形中是上一点连结并延长交的延长线于点则下列结论中错误的是小强和小明去测量一座古数根的个数有个个个个或个边长为的正方形绕点逆时针旋转得正方形则图中阴影部分面积为三解答题在

12、一块长方形镜面玻璃的四周镶上与它的周长相等的边框制成一面镜子镜子的长与宽的比是已知镜面玻璃的价格是每平方米元边框-欢迎下载 3 D)To celebrate the birth of a princess s 14th child.14.A)It looks older than expected.B)It is built of wood and bricks.C)It stores lots of priceless antiques.D)It has walls decorated with jewels.15.A)Their streets are narrow.B)Each on h

13、as a unique character.C)They are mostly crowded.D)Life can be tedious in some places.Section C Directions:In this section,you will hear three passages.At the end of each passage,you will hear three or four questions.Both the passage and the questions will be spoken only once.After you hear a questio

14、n,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 16 to 18 are based on the passage you have just heard.16.A)They help spread the latest technology.B)They greatly enrich p

15、eople s leisure life.C)They provide residents with the D)They allow free access to digital books and videos.17.A)By helping them find jobs.B)By keeping them off the streets.C)By inspiring their creativity.D)By providing a place of relaxation.18.A)Their interaction with teenagers proved fruitful.B)Th

16、ey used libraries less often than teenagers.C)They tended to visit libraries regularly.D)Their number increased modestly.Questions 19 to 21 are based on the passage you have just heard.19.A)It is the cleverest cat in the world.B)It is an unusual cross breed.C)It is the largest cat in Africa.D)It is

17、a large-sized wild cat.20.A)They are as loyal as doges.B)They are fond of sleeping in cabinets.C)They have unusually long tails.方程的一根则另一根为若为一元二次方程的两根则如图一架梯子斜靠在墙上若梯子底端到墙的距离米则梯子长米已知一个三角形的两边长为和若第三边长第题图是方程的一个根则这个三角形周长为面积为计算二选择题关于的一元二形共有对对对对在中若则等于如图中边高边长为的正方形的一边在上其余两个顶点分别在上则正方形边长为学习必备欢迎下载如图在平行四边形中是上一点连结并

18、延长交的延长线于点则下列结论中错误的是小强和小明去测量一座古数根的个数有个个个个或个边长为的正方形绕点逆时针旋转得正方形则图中阴影部分面积为三解答题在一块长方形镜面玻璃的四周镶上与它的周长相等的边框制成一面镜子镜子的长与宽的比是已知镜面玻璃的价格是每平方米元边框-欢迎下载 4 D)They know how to please their owners.21.A)They shake their front paws.B)They shower with them.C)They teach them to dive.D)They shout at them.Questions 22 to 25

19、 are based on the passage you have just heard.22.A)Contented and relieved.B)Anxious and depressed.C)Proud but a bit nervous.D)Excited but somewhat sad.23.A)It starts the moment they are born.B)It depends on their parents for success.C)It is gaining increasing public attention.D)It is becoming parent

20、s biggest concern.24.A)Choose the right school for them.B)Help them to learn by themselves.C)Read books and magazines to them.D)Set a good example for them to follow.25.A)Their intelligence.B)Their home life.C)The quality of their school.D)The effort they put in learning.Part Reading Comprehension (

21、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

22、by a letter.Please mark the corresponding letter for each item on Answer Sheet 2 with a single line through the centre.You may not use any of the words in the bank more than once Questions 26 to 35 are based on the following passage.Millions die early from air pollution each year.Air pollution costs

23、 the global economy more than$5 trillion annually in welfare costs,with the most serious 26 occurring in the developing world.方程的一根则另一根为若为一元二次方程的两根则如图一架梯子斜靠在墙上若梯子底端到墙的距离米则梯子长米已知一个三角形的两边长为和若第三边长第题图是方程的一个根则这个三角形周长为面积为计算二选择题关于的一元二形共有对对对对在中若则等于如图中边高边长为的正方形的一边在上其余两个顶点分别在上则正方形边长为学习必备欢迎下载如图在平行四边形中是上一点连结并延长

24、交的延长线于点则下列结论中错误的是小强和小明去测量一座古数根的个数有个个个个或个边长为的正方形绕点逆时针旋转得正方形则图中阴影部分面积为三解答题在一块长方形镜面玻璃的四周镶上与它的周长相等的边框制成一面镜子镜子的长与宽的比是已知镜面玻璃的价格是每平方米元边框-欢迎下载 5 The figures include a number of costs 27 with air pollution.Lost income alone amounts to$225 billion a year.The report includes both indoor and outdoor air polluti

25、on.Indoor pollution,which includes 28 like home heating and cooking,has remained 29 over the past several decades despite advances in the area.Levels of outdoor pollution have grown rapidly along with rapid growth in industry and transportation.Director of Institute for Health Metrics and Evaluation

26、 Chris Murray 30 it as an“urgent call to action.”“One of the risk factors for premature deaths is the air we breathe,over which individuals have little 31 ,”he said.The effects of air pollution are worst in the developing world,where in some places lost-labor income 32 nearly 1%of GDP.Around 9 in 10

27、 people in low-and middle-income countries live in places where they 33 experience dangerous levels of outdoor air pollution.But the problem is not limited 34 to the developing world.Thousands die prematurely in the U.S.as a result of related illnesses.In many European countries,where diesel(柴油)35 h

28、ave become more common in recent years,that number reaches tens of thousands.A)ability E)control I)exclusively M)sources B)associated F)damage J)innovated N)undermine C)consciously G)described K)regularly O)vehicles D)constant H)equals L)relates Section B Directions:In this section,you are going to

29、read a passage with ten statements attached to 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 letter.Answer the questions by marking the correspo

30、nding letter on Answer Sheet 2.Food-as-Medicine Movement Is Witnessing Progress 方程的一根则另一根为若为一元二次方程的两根则如图一架梯子斜靠在墙上若梯子底端到墙的距离米则梯子长米已知一个三角形的两边长为和若第三边长第题图是方程的一个根则这个三角形周长为面积为计算二选择题关于的一元二形共有对对对对在中若则等于如图中边高边长为的正方形的一边在上其余两个顶点分别在上则正方形边长为学习必备欢迎下载如图在平行四边形中是上一点连结并延长交的延长线于点则下列结论中错误的是小强和小明去测量一座古数根的个数有个个个个或个边长为的正方

31、形绕点逆时针旋转得正方形则图中阴影部分面积为三解答题在一块长方形镜面玻璃的四周镶上与它的周长相等的边框制成一面镜子镜子的长与宽的比是已知镜面玻璃的价格是每平方米元边框-欢迎下载 6 A Several times a month,you can find a doctor in the aisles of Ralph s market in Huntington Beach,California,wearing a white coat and helping people learn about food.On one recent day,this doctor was Daniel Na

32、deau,wandering the cereal aisle with Allison Scott,giving her some idea on how to feed kids who persistently avoid anything that is healthy.“Have you thought about trying fresh juices in the morning?”he asks her.“The frozen oranges and apples are a little cheaper,and fruits are really good for the b

33、rain.Juices are quick and easy to prepare,you can take the frozen fruit out the night before and have it ready the next morning.”B Scott is delighted to get food advice from a physician who is program director of the nearby Mary and Dick Allen Diabetes Center,part of the St.Joseph Hoag Health allian

34、ce.The centers Shop with Your Doc program sends doctors to the grocery store to meet with any patients who sign up for the service,plus any other shoppers who happen to be around with questions.C Nadeau notices the pre-made macaroni(通心粉)-and-cheese boxes in Scott s shopping cart and suggests she swi

35、tch to whole grain macaroni and real cheese.“So I d have to make it？”she asks,her enthusiasm fading at the thought of how long that might take,just to have her kids reject it.“Im not sure they d eat it.They just won t eat it.”D Nadeau says sugar and processed foods are big contributors to the rising

36、 diabetes rates among children.“In America,over 50 percent of our food is processed food,”Nadeau tells her.“And only 5 percent of our food is plant-based food.I think we should try to reverse that.”Scott agrees to try more fruit juices for the kids and to make real macaroni and cheese.Score one poin

37、t for the doctor,zero for diabetes.E Nadeau is part of a small revolution developing across California.The food-as-medicine movement has been around for decades,but it s making progress as physicians and medical institutions make food a formal part of treatment,rather than relying solely on medicati

38、ons(药物).By prescribing nutritional changes or launching programs such as Shop with your Doc ,they are trying to prevent,limit or even reverse disease by changing what patients eat.“There s no question people can take things a long way toward reversing diabetes,reversing high blood pressure,even prev

39、enting cancer by food choices,”Nadeau says.F In the big picture,says Dr.Richard Afable,CEO and president of ST.Joseph Hoag Health,medical institutions across the state are starting to make a philosophical switch to becoming a health organization,not just a health care organization.That feeling echoe

40、s the beliefs of the Therapeutic Food Pantry program at Zuckerberg San Francisco General Hospital,which completed its pilot phase and is about to expand on an ongoing basis to five clinic sites throughout the city.The program will offer patients several bags of food prescribed for their condition,al

41、ong with intensive training in how to cook it.“We really want to link food and medicine,and not just 方程的一根则另一根为若为一元二次方程的两根则如图一架梯子斜靠在墙上若梯子底端到墙的距离米则梯子长米已知一个三角形的两边长为和若第三边长第题图是方程的一个根则这个三角形周长为面积为计算二选择题关于的一元二形共有对对对对在中若则等于如图中边高边长为的正方形的一边在上其余两个顶点分别在上则正方形边长为学习必备欢迎下载如图在平行四边形中是上一点连结并延长交的延长线于点则下列结论中错误的是小强和小明去测量

42、一座古数根的个数有个个个个或个边长为的正方形绕点逆时针旋转得正方形则图中阴影部分面积为三解答题在一块长方形镜面玻璃的四周镶上与它的周长相等的边框制成一面镜子镜子的长与宽的比是已知镜面玻璃的价格是每平方米元边框-欢迎下载 7 give away food,”says Dr.Rita Nguyen,the hospital s medical director of Healthy Food Initiatives.“We want people to understand what they re eating,how to prepare it,the role food plays in t

43、heir lives.”G In Southern California,Loma Linda University School of Medicine is offering specialized training for its resident physicians in Lifestyle Medicine that is a formal specialty in using food to treat disease.Research findings increasingly show the power of food to treat or reverse disease

44、s,but that does not mean that diet alone is always the solution,or that every illness can benefit substantially from dietary changes.Nonetheless,physicians say that they look at the collective data and a clear picture emerges:that the salt,sugar,fat and processed foods in the American diet contribut

45、e to the nation s high rates of obesity,diabetes and heart disease.According to the World Health Organization,80 percent of deaths from heart disease and stroke are caused by high blood pressure,tobacco use,elevated cholesterol and low consumption of fruits and vegetables.H“It s a different paradigm

46、（范式）of how to treat disease,”says Dr.Brenda Rea,who helps run the family and preventive medicine residency program at Loma Linda University School of Medicine.The lifestyle medicine specialty is designed to train doctors in how to prevent and treat disease,in part,by changing patients nutritional ha

47、bits.The medical center and school at Loma Linda also has a food cupboard and kitchen for patients.This way,patients not only learn about which foods to buy,but also how to prepare them at home.I Many people don t know how to cook,Rea says,and they only know how to heat things up.That means dependin

48、g on packaged food with high salt and sugar content.So teaching people about which foods are healthy and how to prepare them,she says,can actually transform a patient s life.And beyond that,it might transform the health and lives of that patient s family.“What people eat can be medicine or poison,”R

49、ea says.“As a physician,nutrition is one of the most powerful things you c an change to reverse the effects of long-term disease.”J Studies have explored evidence that dietary changes can slow inflammation（炎症）,for example,or make the body inhospitable to cancer cells.In general,many lifestyle medici

50、ne physicians recommend a plant-based diet particularly for people with diabetes or other inflammatory conditions.K “As what happened with tobacco,this will require a cultural shift,but that can happen,”says Nguyen.“In the same way physicians used to smoke,and then stopped smoking and were able to t