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1、2021 届北京市朝阳区劲松第二中学高三英语二模试题及答案 第一部分 阅读（共两节，满分 40 分）第一节（共 15 小题；每小题 2 分，满分 30 分）阅读下列短文，从每题所给的 A、B、C、D 四个选项中选出最佳选项 A The Internet has revolutionized our lives to such an extent(程度)that for most people,the global network has become more than just a tool but rather an important aid in everyday life.More
2、and more people go online as wireless networks have brought the Internet closer and closer:its on our mobile phones,in our cars and TV sets,in hospital surgery rooms and in fishing boats that battle the waves of the Atlantic.And this revolution has brought along with it a new way of shopping.Both bi
3、g and small,e-business websites have flooded the Internet by the hundreds of thousands.Anything you can buy from a brick and mortar store(实体店)you can also buy online:from food and clothes to toys,no matter what youre looking for,youre bound to find the right online store with just a few clicks of th
4、e mouse.You can use the Internet to find new suppliers,post buying requests or search for products and services.This revolution has affected brick and mortar business owners greatly.And what was their reaction?Theyve opened online stores to go hand in hand with their conventional business.But do the
5、 big players have reasons to be afraid?Are we going to start seeing ghostly,deserted Walmarts(沃尔玛)across the country?Probably not in the near future but the day will come when most people will just stop shopping offline anymore.A trip to Walmart wastes time,burns gas.The recent advancements in mobil
6、e technology and the introduction of mobile phones with enhanced(提高的)web capabilities have even made some people order their groceries when they get out from work and have them delivered at their doorstep by the time they get home.And as“Time is money”,this practice is lifesaving for people whowork
7、two jobs.Technology will continue to advance and e-business will follow closely in its footsteps.Everything will become easier and less time consuming,leaving us more time to enjoy the things that really matter in life:the ones we love,our friends and hobbies.1.What is Paragraph 1 mainly about?A.The
8、 popularity of mobile phones.B.The great influence of the Internet.C.The importance of the Internet.D.The function of the global network.2.In response to the threat of online business,the brick-and-mortar store owners_.A.have stopped their traditional business B.have started their dislike of the Int
9、ernet C.have established their own website D.have opened their online stores 3.What would be the best title for the passage?A.A New Way of Shopping.B.The Internet Revolution.C.What is the Reaction to Online Shopping?D.Is Online Shopping the Future of E-business?B Nowadays organic food hasbecome a fa
10、shion.Organic food sales reached a record of$45.2 billion in 2017,making it one of the fastest-growing parts of American agriculture.Some people may buy organic food for these reasons like resource cycling and biodiversity,but most people may choose organic food because they think its healthier.Whil
11、e a small number of studies have shown relationships between eating organic food and reducing risks of being ill,no studies,up to now,have answered the question whether eating organic food can improve health.According to the United States Department of Agriculture(USDA),organic food does not suggest
12、 anything about health.In 20155 Miles McEvoy,then chief of the National Organic Program for the USDA,refused to admit any health benefits of organic food,saying the question has nothing to do with the National Organic Program.Instead,the USDA thinks that organic refers to a production method that in
13、creases cycling of resources keeps ecological balance,and protects biodiversity.Im an environmental health scientist who has spent over 20 years studying pesticides that do harm to human beings.Several years ago,I was part of the study on whether an organic diet can reduce pesticide exposure.This st
14、udy focused on a group of pesticides which have always been harmful to childrens brain development.We found that children who ate traditional diets had nine times higher exposure to these pesticides than children who ate organic diets.Last month,I published a small study that suggested a path forwar
15、d to answering the question whether eating organic food actually improves health.My study got a lot of attention.While the results were novel,they didnt answer the big question.As I toldThe New York Timesin 2003,“What does this really mean for the safety of my kids?But we dont know.Nobody does.It wa
16、s true then,and its still true now.”4.Why do most people prefer to buy organic food?A.For its health benefits.B.For biodiversity.C.For its delicious taste.D.For resource cycling.5.What does the USDA suggest about organic food?A.It can improve peoples health.B.It is produced in an environment-friendl
17、y way.C.It can reduce risks of being ill.D.It has nothing to do with the National Organic Program.6.What can be concluded from the authors study?A.Pesticides dont harm childrens brain.B.Traditional diets benefit peoples health.C.Organic diets can reduce pesticide exposure.D.The results are meaningfu
18、l to childrens safety.7.What is the best title for the text?A.What Is Organic Food?B.Is Organic Food Healthier?C.How Should We Avoid Pesticides?D.What Are the Benefits of Organic Food?C On the night of September 19,1961,Betty Hill and her husband Barney were driving home through the White Mountains
19、from Niagara Falls.They were travelling on anearly deserted two-lane highway when Betty noticed a steady light in the sky that was getting bigger and brighter.She thought it was a planet or a star.Barney,stimulated at her excitement,said it was probably just a wandering aeroplane.Whatever it was,it
20、appeared to be following them.They stopped their car for a closer look.What they said happened next,changed their lives.The flying object was noiseless.It appeared to be spinning.It was as big as a jet but shaped like a pancake.So formed the tale of Betty Hill,a New Hampshire social worker who,with
21、Barney,a postal worker,claimed to be kidnapped by aliens,who were from outer space,on a moonlit night about 60 years ago.After reluctantly going public with her experience,Hill,who died of cancer at her New Hampshire home,aged 85,became a celebrity on the UFO circuit and was known as the“first lady
22、of UFOs”.Intriguingly,at the time of the incident,the Hills remembered nothing except that they had spied a strange object in the sky.Later,troubled by nightmares and other stress-related pains,the couple underwenthypnosis(催眠)where the full story came out with the aid of Boston psychiatrist Benjamin
23、 Simon,an expert in medical hypnosis.On their night of contact the Hills arrived homeat 5 a.m.,unable to account for two lost hours.They were also confused by the odd marks on their telescopes,deep signs on the tops of Barneys best shoes,Bettys torn dress and strange circular markings on their car t
24、hat made the needle of a compass jump wildly.After seeing them for six months,the psychiatrist concluded the Hills lost memory about the hours they lost on that night in 1961“appeared to involve an amazing experience on the part of both of the Hills”.Whether the experience had been fantasy or realit
25、y,Simon could not say,but he said he was convinced they had not been lying.He guessed that it had been a kind of shared dream.Reports of aliens capturing humans and taking them aboard oddly shaped spacecraft were“comparatively rare”before 1975.After a movie,“The UFO Incident”,about the Hills came ou
26、t,however,such stories increased.8.When they saw the strange object in the sky,Barney and Betty Hill _.A.were astonished at its strange flight and noise B.regarded it as just a wandering car following them C.realized immediately what the danger it might cause D.showed curiosity in discovering what i
27、t really was 9.The word“Intriguingly”in paragraph 6 most probably means“_”.A.Ridiculously B.Temporarily C.Remarkably D.Mysteriously 10.The Hills later sought the help of a psychiatrist because _.A.they had lots of secrets in their lives after the strange experience B.their lives were greatly disturb
28、ed by the unexpected experience C.they wanted to share their unforgettable experience with the expert D.they hoped to forget completely what had happened to them 11.This article was written in order to _.A.describe an unusual event to the readers B.convince readers of the existence of UFOs C.record
29、how people were caught by aliens D.warn people of the dangers the UFOs cause D The idea of growing food in a desert would make most people laugh but this is quickly becoming a reality.There are currently two desert farms in the world where quality vegetables are being planted cheaply and easily.Sund
30、rop Farms,based in South Australia,uses experimental greenhouses to grow tomatoes,peppers and cucumbers.The biggest challenge of growing food in a desert,obviously,is the lack of available water.The researchers at Sundrop Farms have gotten aroundthis problemby using the sun to desalinate(淡化)sea wate
31、r.It can also be used to control the temperature of the greenhouses.Without depending on limited resources such as land and fresh water Sundrop Farms has made farming a practice.This can increase the worlds food supplies.Another benefit ofthis kind of farming is that it can be done anywhere,thus red
32、ucing the costs of transporting food to distant locations.Yet another benefit is that it reduces the need for pesticides(杀虫剂).Another experimental desert farm is the Sahara Forest Project,which began in Qatar in December 2012.Greenhouses in the farm are cooled by saltwater.Solar power and other tech
33、nologies are used together to help make vegetation(植被)grow in the desert environment.As deserts have expanded over recent years around the world due to global warming,this project could solve the problem.The result form the Qatar project were better than expected and in June of 2014,Jordan agreed to
34、 host another one.This will be much bigger than the Qatar project and the project members will have even more opportunities to test their experiments on a much larger scale.It is not clear yet that desert farming resents the future of farming but these projects have shown some success in the field.1
35、2.What does“this problem”in paragraph 2 refer to?A.Sea water is bard to purify.B.The desert is short of water.C.The temperature is high in the desert.D.Desert farms arent fit to plant vegetables.13.What is one of the characters of desert farming?A.It needs more pesticides.B.It saves delivery costs.C
36、.It has a location limit.D.It solves food waste problems 14.What can we know about the Sabara Forest Project?A.It lives up to expectations B.It can help produce more food C.It is started to prevent global warming D.It uses technology to produce saltwater 15.What can be inferred about desert farming
37、from the last paragraph?A.It still has problems to solve.B.It represents the future of farming.C.Its early success has aroused interest in it.D.Its aim is to create more job opportunities.第二节（共 5 小题；每小题 2 分，满分 10 分）阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项 How to Strengthen Teeth Naturally _16_You c
38、an work on strengthening your teeth by getting the right vitamins and minerals in your diet.You can also protect your teeth through healthy habits.In addition,avoiding certain foods and habits can help strengthen your teeth.Get the right nutrients（营养）Make sure youre getting 1,000 to 1,200 mg of calc
39、ium（钙）a day.You probably know calcium helps keep your bones strong._17_Eating certain amount of calcium in your diet every day will help increase the strength of your teeth._18_ Aim to eat a wide variety of fruits and vegetables in your weekly diet.Try selecting a variety of color1 s when choosing y
40、our produce as that ensures youll be getting a wide variety of vitamins.Fill your plate up halfway with fruits and vegetables at every meal and then fill the rest of your plate with some protein and whole grains.Brush your teeth twice a day To brush well,hold your toothbrush at a45C angle to your te
41、eth.Brush all the surfaces of your teeth gently and try to brush for at least 2 minutes._19_ Visit your dentist regularly Visit your dentist at least once a year for x-rays and cleaning._20_If you start to get a buildup of plaque（牙菌斑），which can weaken teeth,the dentist can remove it for you in time.
42、Quit smoking You probably are aware that smoking causes lung cancer and other health problems.In addition,it can also weaken bone tissue,including your teeth.If youve been thinking about quitting,now may be the time.A.Eat a balanced diet B.Have a variety of vegetables C.The same is true for your tee
43、th.D.Set a timer to help you brush longer!E.Strong teeth are important for a healthy mouth!F.These visits help find problems before they begin.G.Vitamin D helps your body absorb calcium properly.第二部分 语言运用（共两节，满分 45 分）第一节（共 20 小题；每小题 1.5 分，满分 30 分）阅读下面短文，从每题所给的 A、B、C、D 四个选项中选出可以填入空白处的最佳选项 When I was
44、a small child,during the war,we were very poor and we lived in a faraway village.One day,on the road,I found the_21_pieces of a mirror.There was a German motorcycle accident.I tried to find all the pieces and put them_22_,but it was not possible,so I kept only the_23_piece and I made it round.I bega
45、n to_24_with it as a toy and became greatly attracted by the_25_that I could reflect(反射)light to dark places where the sun would never shinein_26_holes and some other dark places.It became a _27_for me to get light into the darkest places I could find.I _28_the little mirror,and,as I_29_up,I would t
46、ake it out when Ihad nothing to do and_30_the game,As I became a _31_,I grew to understand that this was not _32_a childs game but a metaphor（象征）for what I might do with my life.I came to _33_that I am not the light or the source(来源)of light.But lighttruth,understanding,knowledgeis _34_,and it will
47、shine in many dark places only if I reflect it.I am just a single piece of a mirror whose_35_design and shape I do not know._36_,with what I have I can reflect light into the dark places of this_37_into the black places in the _38_of menand change some things_39_some people.Perhaps others may see an
48、d do the same.This is what I am about.This is the_40_of my life.21.A.pointed B.dropped C.broken D.sharpened 22.A.together B.down C.back D.up 23.A.best B.largest C.smallest D.longest 24.A.talk B.share C.flash D.play 25.A.idea B.reason C.decision D.fact 26.A.pretty B.big C.deep D.empty 27.A.game B.tas
49、k C.job D.trouble 28.A.forgot B.hid C.kept D.lost 29.A.grew B.stood C.came D.went 30.A.watch B.change C.remember D.continue 31.A.father B.boy C.man D.grandfather 32.A.always B.just C.really D.completely 33.A.understand B.doubt C.announce D.expect 34.A.absent B.there C.far D.home 35.A.half B.most C.w
50、hole D.other 36.A.So B.Certainly C.Besides D.However 37.A.world B.village C.country D.city 38.A.hands B.hearts C.eyes D.brains 39.A.on B.like C.with D.in 40.A.way B.meaning C.quality D.standard 第二节（共 10 小题；每小题 1.5 分，满分 15 分）阅读下面短文，在空白处填入 1 个适当的单词或括号内单词的正确形式 Chengdu has dozens of new millionaires,Asi