1、单元综合检测(二)第一部分阅读(共两节，满分 50分)第一节(共15小题；每小题2.5分，满分37.5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。ADo you want to go to Spain to experience its festivals in spring？If you do，here are some that are worth experiencing.1519 March：Las Fallas Festival，ValenciaHuge cardboard，wood，and plaster statues are made into the
2、 shape of traditional figures or even modern cultural figures like Shrek and former American President Obama.The creations are on display all over the city before being burnt in one of the many bonfires，which takes place among much partying.23 April：Saint George Festival，BarcelonaSant Jordi，or St Ge
3、orge，is the patron saint of Catalonia(as well as England and about 10 other countries and regions)But St Georges Day in Barcelona is also the citys version of Valentines Day when romance sweeps the city.The tradition is for the man to give his lady a rose in return for a book.30 April to 7 May：Feria
4、 de Abril de Sevilla，SevilleSpring Fair，the Feria，is a joyful festival with masses of food，drink，music and dancing.To the west of the city a huge area is given over to creating a small“town”of tents for drinking，eating and socialising.Most of the tents are private and by invitation only，but there ar
5、e seven public ones.MidMay：Fiesta de San Isidro，MadridIts Madrids largest festival.Music and dancing are everywhere with Latin rhythms happening at concerts all over the city.The festival starts with a grand procession of giants，followed by an opening speech in the Plaza Mayor.Over the next few days
6、，entertainment takes over the citys public spaces.【语篇解读】本文是一篇应用文，介绍了春天去西班牙时四个值得体验的节日。1What do we know about Las Fallas Festival?AStatues are burnt during the party.BAmerican President displays his statues.CIt is held to burn things for good luck.DPeople only party at home with bonfires.A细节理解题。根据1519
7、 March：Las Fallas Festival，Valencia标题下的“The creations are on display all over the city before being burnt in one of the many bonfires，which takes place among much partying.”可知，在法雅节上那些用纸板、木头等制作的雕像会在聚会的篝火中被烧掉。故选A项。2What do men do on St Georges Day?AGive their girls a book as a gift.BJoin a grand proce
8、ssion of giants.CExpress their love for their lovers.DPray to St George for a happy marriage.C细节理解题。根据23 April：Saint George Festival，Barcelona标题下的“But St Georges Day in Barcelona is also the citys version of Valentines Day when romance sweeps the city.The tradition is for the man to give his lady a
9、rose in return for a book.”可知，在圣乔治节男人们要向自己的爱人送玫瑰来表达爱意。故选C项。3When should you go if you want to try different foods and drinks at a festival in Spain?AOn 23 April.BOn 15 March.CIn the middle of May.DAt the beginning of May.D细节理解题。根据30 April to 7 May：Feria de Abril de Sevilla，Seville标题下的“Spring Fair，th
10、e Feria，is a joyful festival with masses of food，drink，music and dancing.”可知，如果想去西班牙品尝各种美食应该在4月30日至5月7日前往。故选D项。BA young painter had just completed a beautiful painting.To get peoples opinions about his painting skills，he put his painting at a crossing on a busy street and put up a board that read，“G
11、entlemen，I have painted this piece.Since Im new，I might have made some mistakes in my work.Please put a cross wherever you see a mistake.”When he came back in the evening，he was completely shocked to see that the whole painting was filled with crosses.He ran to his master and said to him，“Im useless
12、 and if this is what I have learnt to paint，Im not worth teaching.”The master smiled and said，“Ill let you know that you are a great artist.Now go to paint the same painting again and give it to me.”Then they went to the same street the next morning and put the same painting exactly at the same plac
13、e.Now the master took out another board which read，“Gentlemen，I have painted this piece.I might have made some mistakes in my painting.I have put a box with colours and brushes just below.If you see a mistake，pick up the brush and correct it.”Two days later，they came back to the place.The young pain
14、ter was surprised to see that actually there was not a single correction.Its easier to criticise but difficult to improve.If you want to help people improve their behaviour，youd better learn how to help people change their behaviour，attitudes and skills.Also，always remember not to judge yourself by
15、someone elses criticism(批评)，because you are the best judge to judge yourself.【语篇解读】本文是一篇记叙文。一位年轻的画家针对自己的同一幅画两次征求人们的意见，却得到了两种截然不同的反馈。这个故事告诉我们一个道理：如果想要帮助别人改善他们的行为，要能给出具体的改进意见，而不是仅仅作出简单的好与坏的评价。4Why did the young painter put his painting on a busy street?ATo let others know he was skilful.BTo make money
16、 by selling his painting.CTo get others ideas about his painting skills.DTo let his teacher know he was a good student.C细节理解题。根据第一段中的“To get peoples opinions about his painting skills，he put his painting at a crossing on a busy street”可知，这位画家把作品展示于熙熙攘攘的十字路口，是为了征求大家对他绘画技巧的看法和意见，故选C项。5How might the yo
17、ung painter feel when he saw the crosses on the painting?AProud.BExcited.CSad.DMoved.C推理判断题。根据第二段中的“Im useless.Im not worth teaching.”可知，这位年轻的画家很受挫，感到很沮丧，故选C项。6How did the master help his student know he was a great painter?ABy teaching the student more painting skills.BBy asking people not to put a
18、ny crosses on the painting.CBy painting a different painting himself and putting it on the street.DBy putting up a board with different words beside the same painting.D细节理解题。根据第四段中的“I have put a box with colours and brushes just below.If you see a mistake，pick up the brush and correct it.”可知，大师在同一幅画
19、旁边的板子上写了不同的话，结果作品上没有任何改动，大师通过这种方法让年轻的画家明白应该正确看待别人的评价，故选D项。7What is the best title for the text?ABe Proud of YourselfBLearn to Help Rather Than Judge OthersCDont Judge Other PeopleDNever Give Others CrossesB标题归纳题。根据最后一段中的“If you want to help people improve their behaviour，youd better learn how to hel
20、p people change their behaviour，attitudes and skills.”可知，本文告诉我们一个道理：如果你想要帮助人们改善他们的行为，你最好学习如何帮助人们改变他们的行为、态度和技能，而不是仅仅作出评判。所以最佳标题是“学会帮助别人，而不是评判别人”，故选B项。C(2020全国卷)Race walking shares many fitness benefits with running, research shows，while most likely contributing to fewer injuries.It does，however，have
21、its own problem.Race walkers are conditioned athletes.The longest track and field event at the Summer Olympics is the 50kilometer race walk，which is about five miles longer than the marathon.But the sports rules require that a race walkers knees stay straight through most of the leg swing and one fo
22、ot remain in contact(接触) with the ground at all times.Its this strange from that makes race walking such an attractive activity，however，says Jaclyn Norberg，an assistant professor of exercise science at Salem State University in Salem，Mass.Like running，race walking is physically demanding，she says.Ac
23、cording to most calculations，race walkers moving at a pace of six miles per hour would burn about 800 calories(卡路里) per hour，which is approximately twice as many as they would burn walking，although fewer than running，which would probably burn about 1，000 or more calories per hour.However，race walkin
24、g does not pound the body as much as running does，Dr.Norberg says.According to her research，runners hit the ground with as much as four times their body weight per step，while race walkers，who do not leave the ground，create only about 1.4 times their body weight with each step.As a result，she says，so
25、me of the injuries associated with running，such as runners knee，are uncommon among race walkers.But the sports strange form does place considerable stress on the ankles and hips，so people with a history of such injuries might want to be cautious in adopting the sport.In fact，anyone wishing to try ra
26、ce walking should probably first consult a coach or experienced racer to learn proper technique，she says.It takes some practice.【语篇解读】本文主要介绍了竞走这项运动的相关情况及其与跑步的不同之处。8Why are race walkers conditioned athletes?AThey must run long distances.BThey are qualified for the marathon.CThey have to follow specia
27、l rules.DThey are good at swinging their legs.C推理判断题。由题干中的关键词conditioned athletes可将解题信息定位至第二段，根据该段中的“But the sports rules require that a race walkers knees stay straight through most of the leg swing and one foot remain in contact (接触) with the ground at all times.”可知，竞走运动的规则要求竞走者的膝关节在腿摆动时的大部分时间里伸直，
28、同时一只脚保持与地面接触。据此可知，竞走者必须遵循一些特殊的运动规则，故C项正确。9What advantage does race walking have over running?AIts more popular at the Olympics.BIts less challenging physically.CIts more effective in body building.DIts less likely to cause knee injuries.D细节理解题。根据第五段中的“some of the injuries associated with running，suc
29、h as runners knee，are uncommon among race walkers”可知，一些与跑步有关的损伤，如跑步者的膝盖(受伤)，在竞走者中并不常见。据此可知，竞走不太可能导致膝盖受伤，故D项正确。10What is Dr.Norbergs suggestion for someone trying race walking?AGetting experts opinions.BHaving a medical checkup.CHiring an experienced coach.DDoing regular exercises.A细节理解题。根据第五段中的“anyo
30、ne wishing to try race walking should probably first consult a coach or experienced racer to learn proper technique” 可知，Norberg博士建议任何希望尝试竞走的人或许应该首先咨询教练或有经验的竞走者，以学习正确的技巧，故A项正确。11Which word best describes the authors attitude to race walking?ASkeptical.BObjective.CTolerant.DConservative.B观点态度题。根据全文内容可
31、知，作者提到了竞走这项运动的好处，同时也指出它的一些危害，态度是客观的，故B项正确。D(2021山东泰安一中高二期中)One of the greatest sources of unhappiness，in my experience，is the difficulty we have in accepting things as they are.When we see something we dont like，we wish it could be different.We cry out for something better.That may be human nature，o
32、r perhaps its something ingrained(根深蒂固的)in our culture.The root of unhappiness isnt necessarily that we want things to be different.However，its that we decided we didnt like it in the first place.Weve judged it as bad，rather than saying，“Its not bad or good，and it just is it.”In one of my books，I sa
33、id，“You should expect people to mess up and expect things to go differently than you planned.”Some readers said its too sorrowful to expect things to go wrong.However，its only negative if you see it as negative and judge it as bad.Instead，you could accept it as the way the world works and try to und
34、erstand why that is.This can be applied to whatever you do：how other people act at work，how politics work and how depressing the news media can be.Accept these things as they are，and try to understand why theyre that way.It will save you a lot of sadness，because youll no longer say，“Oh，I wish bad th
35、ings didnt happen！”Does it mean you can never change things？Not at all.But you change things not because you cant accept things as they are，but because you enjoy the process of changing，learning and growing.Can we make this world a better place？You can say that youll continue to try to do things to
36、help others，to grow as a person，to make a difference in this world.Thats the correct path you choose to take，because you enjoy that path.Therefore，when you find yourself judging and wishing for difference，try a different approach：accept，and understand.It might lead to some interesting results.【语篇解读】
37、本文是一篇议论文，文章论述的是接受事物本来的样子能让我们的生活更快乐、更美好。12The author believes that we feel unhappy maybe because_Ait is our natural emotion in the lifeBculture asks us to be different from othersCeveryone has their own opinions on thingsDwe dislike something in the beginningD细节理解题。根据第二段中的“The root of unhappiness isn
38、t necessarily that we want things to be different.However，its that we decided we didnt like it in the first place.”可知，作者认为，我们感到不快乐可能是因为我们一开始就不喜欢某样东西。故选D项。13What does the underlined word“It”in Paragraph 4 refer to?AActing well at work and in politics.BFeeling depressed about the news media.CAccepting
39、 and understanding what has happened.DSaying something negative when bad things come.C词义猜测题。根据第四段中的“Accept these things as they are，and try to understand why theyre that way.”可知，It指的是接受这些事情的本来面目，试着去理解它们为什么会这样。也就是“接受并理解发生了什么”。故选C项。14What are you advised to do according to the last paragraph?AHelp oth
40、ers and make a difference.BEnjoy what you have to do in the work.CJudge yourself and make a wish for yourself.DTry a new way when making the world better.D细节理解题。根据最后一段中的“when you find yourself judging and wishing for difference，try a different approach：accept，and understand.It might lead to some int
41、eresting results.”可知，最后一段建议我们尝试一种新的方式，即接受与理解，这能让世界变得更美好。故选D项。15What is the main theme of the passage?AExpecting things to be different gives us hope.BAccepting can make our life happier and better.CTraditional culture becomes the root of unhappiness.DJudging good or bad is important for our world.B主
42、旨大意题。文章开头提出人们不快乐的根源是不愿意接受事物本来的样子，然后进一步分析说明，最后建议人们为了快乐就要学会接受、理解。由此可知，B选项内容能体现文章中心。第二节(共5小题；每小题2.5分，满分12.5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。When people are addicted to a thing，such as a drug or alcohol，theyre not able to control the use of that thing. 16 They may want to give up，but find it
43、very difficult to do so without help.When body levels of that thing go below a certain level，the patient has physical and mental problems. 17 There is also suddenly increased appetite(食欲)Addiction continues despite health problem awareness.They continue taking the thing regularly even though they ha
44、ve developed illnesses linked to it.For example，a smoker may continue smoking even after a heart condition develops.Some activities are given up because of an addiction to something. 18 An alcoholic may turn down an invitation to go camping or spend a day out on a boat if no alcohol is available. 19
45、 As the addiction progresses they may stop doing things they used to enjoy a lot.This may even be the case with smokers who find they cannot physically deal with taking part in their favourite sport. 20 This may be either because the thing affects judgement and they take risks they would not take if
46、 they were sober (清醒的)or because in order to get hold of the thing，they break the law.AThey will drop hobbies.BThey may take risks driving faster.CLack of money leads them to do so.DTheyll have problems with the law.EThey continue taking it，even though it may cause harm.FTherere bursts of anger，poor
47、 concentration，and a feeling of being sad and empty.GA smoker may decide not to meet up with friends in a smokefree pub or restaurant.【语篇解读】本文主要介绍了人们对某一事物上瘾时的表现。上瘾意味着人们无法控制自己使用某一事物。即使想要戒掉，也会发现若没有外力帮助则很难做到。长此以往，上瘾者的身体和精神就会出现问题。 16E根据下句“They may want to give up，but find it very difficult to do so with
48、out help.”可知，他们可能想戒掉，但却发现没有帮助很难做到这一点。E项They continue taking it，even though it may cause harm.(他们继续沉迷于此，尽管它可能会造成伤害。)与设空处下一句构成语意上的衔接，符合语境。故选E项。17F根据上句“When body levels of that thing go below a certain level，the patient has physical and mental problems.”可知，当体内的上瘾物质的量低于某一水平时，患者就会出现身体和精神方面的问题。F项Therere b
49、ursts of anger，poor concentration，and a feeling of being sad and empty.(会出现暴怒、注意力不集中、悲伤和空虚的感觉。)举例说明上一句的内容。故选F项。18G根据上句“Some activities are given up because of an addiction to something.”可知，对某样东西上瘾可能会迫使人们放弃参加一些活动。G项A smoker may decide not to meet up with friends in a smokefree pub or restaurant.(一个吸烟
50、者可能决定不去禁烟的酒吧或者餐馆与朋友见面。)举例说明上一句，且与下一句构成并列关系。故选G项。19A根据下句“As the addiction progresses they may stop doing things they used to enjoy a lot.”可知，随着上瘾程度的加深，他们可能会停止做他们过去非常喜欢做的事情。A项They will drop hobbies.(他们会舍弃爱好。)符合语境。故选A项。20D根据后文可知，他们可能会因为上瘾而做一些违法的事。D项Theyll have problems with the law.(他们在守法方面会有问题。)符合语境。故
51、选D项。第二部分语言运用(共两节，满分 30 分)第一节(共15小题；每小题1分，满分15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。As a general rule，all forms of activity lead to boredom when they are performed on a routine(常规)basis.As a matter of fact，we can see this 21 at work in people of all ages.For example，on Christmas morning，childre
52、n are excited about 22 with their new toys.But their 23 soon wears off and by January those same toys can be found put away in the basement.The world is full of 24 stamp albums and unfinished models，each standing as a monument to someones passing interest.When parents bring home a pet，their child 25
53、 bathes it and brushes its fur.Within a short time，however，the 26 of caring for the animal is handed over to the parents.Adolescents enter high school with great 27 but are soon looking forward to 28 The same is true of the young adults going to college.And then，how many people，who now complain(抱怨)a
54、bout the long drives to work， 29 drove for hours at a time when they first 30 their drivers licenses(执照)？Before people retire，they usually 31 to do a lot of 32 things，which they never had time to do while working.But 33 after retirement，the golfing，the fishing，the reading and all of the other pastim
55、es become as boring as the jobs they 34 . And，like the children in January，they go searching for new 35 【语篇解读】本文是一篇议论文。一般来说，任何事情做久了都会让人厌倦。实际上不论是在工作中，还是在人们的日常生活中都会有这样的现象；同样的厌倦心理也会出现在各个年龄段。21A.principleBhabitCwayDpowerA根据文章开头的“As a general rule.(作为一个通用的规则)”可知，此处意为“我们能在中看到这个定律”，上文中rule暗示此处要用principle。2
56、2A.workingBlivingCplayingDgoingC根据该空后面的with their new toys可知孩子们是“玩”新的玩具，所以此处要用playing。23A.confidenceBinterestCanxietyDsorrowB分析语境，前文说“孩子们很兴奋地玩他们的新玩具”，由But表转折可知，他们的兴趣(interest)慢慢消失，而不是confidence“信心”，anxiety“焦虑”，sorrow“伤心”。wear off逐渐减少，慢慢消失。下文的“.each standing as a monument to someones passing interest
57、.”也暗示此空填interest。24A.wellorganizedBcolorfullyprintedCnewlycollectedDhalffilledD下面的unfinished models(没有完成的模型)是重要提示，与unfinished并列的应是halffilled，意为“完成一半的”。wellorganized排列好的；colorfullyprinted绘成彩色的；newly collected最新收集的。25A.silentlyBimpatientlyCgladlyDworriedlyC结合下文的“Within a short time，however，the_of cari
58、ng for the animal is handed over to the parents.”可知，开始时孩子很乐意(gladly)为宠物洗澡和梳理毛发。silently沉默地；impatiently不耐烦地；worriedly忧虑地。26A.promiseBburdenCrightDgameB孩子没有了兴趣，因此照顾宠物的负担(burden)就移交给父母了。promise承诺；right权利；game游戏。27A.courageBcalmnessCconfusionDexcitementD根据前面的children are excited about可知，进入高中的青少年也是满怀“兴奋”
59、的，故此处要用excitement。28A.graduationBindependenceCresponsibilityDsuccessA刚进入高中的青少年开始时很兴奋，从but可以推知，他们不久就失去了兴趣而盼望毕业(graduation)。independence独立；responsibility责任，职责；success成功。29A.carefullyBeagerlyCnervouslyDbravelyB根据后面的“when they first_their drivers licenses”可以推知，人们最初拿到驾照的时候是很“渴望”开车的，故此处要用eagerly。30A.requi
60、redBobtainedCnoticedDdiscoveredB成人“获得”驾照，因此要用obtain。require要求；notice注意到；discover发现。31A.needBlearnCstartDplanD退休前他们通常打算(plan)做很多事情。32A.greatBstrangeCdifficultDcorrectA由下文的“the golfing，the fishing，the reading and all of the other pastimes”可知，这是他们退休后打算做的“极好的事情”，所以此处要用great。33A.onlyBwellCevenDsoonDsoon
61、after意为“不久”，也就是在他们退休后不久，所以此处要用soon。34A.lostBchoseCleftDquitC根据前面的after retirement可知他们退休了，而他们退休前打算要做的那些事情也正如他们离开的工作一样无聊，所以此处要用left。35A.petsBtoysCfriendsDcolleaguesBlike the child in January“像一月份的孩子那样”，孩子们一月份时已经对圣诞节的玩具失去兴趣了，故此处表示“退休的人对他们之前的打算失去兴趣了，像孩子那样寻找新的玩具(toys)”。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
62、填入1个适当的单词或括号内单词的正确形式。According to a review of evidence in a medical journal，runners live three years 36._(long) than nonrunners.You dont have to run fast or for long 37._(see)the benefit.You may drink，smoke，be overweight and still reduce your risk of 38._(die)early by running.While running regularly
63、 cant make you live forever，the review says it 39._(be)more effective at lengthening life 40._walking，cycling or swimming. Two of the authors of the review also made a study published in 2014 41._showed a mere five to ten minutes a day of running reduced the risk of heart disease and early deaths fr
64、om all 42._(cause)The best exercise is one that you enjoy and will do.But otherwise.its probably running.To avoid knee pain，you can run on soft surfaces，do exercises to 43._ (strength)your leg muscles(肌肉)，avoid hills and get good running shoes.Running is cheap，easy and its always 44._ (energy)If you
65、 are time poor，you need run for only half the time to get the same benefits as other sports，so perhaps we should all give 45._a try.【语篇解读】本文是一篇说明文。文章介绍了跑步的益处，号召我们尝试一下这种运动方式。 36longer考查副词的比较级。句中的than是比较级的标志，故填long的比较级longer。37to see考查非谓语动词。此句意为“你不必为了见到效果跑得很快，或跑很长时间”，不定式短语to see the benefit作目的状语。38dyi
66、ng考查非谓语动词。介词of后接动词时要用其动名词形式。39is考查时态和主谓一致。根据语境可知这里用一般现在时，主语it是第三人称单数，故谓语动词用is。40than考查介词。根据句中的比较级more effective可知，这里是把running与walking，cycling，swimming进行比较，故填than。41that/which考查定语从句。分析句子结构可知，所填词引导定语从句，修饰指物的a study，且在从句中作主语，故填关系代词that或which。42causes考查名词复数。cause表示“原因，起因”时是可数名词，前面有all，故填cause的复数形式。43str
67、engthen考查词性转换。此处不定式短语作目的状语，故填strength的动词形式strengthen。44energetic考查词性转换。连系动词is后接形容词作表语，故填energy的形容词形式energetic。45it考查代词。此处号召我们尝试一下这种运动，用it指代running。give sth.a try尝试一下某事。第三部分写作(共两节，满分40分)第一节(满分15分)假定你是李华，你校英语校报“健康常识”专栏正面向全体中学生征稿，主题为“How to live a healthy lifestyle in high school”，请你用英语给编辑写一封信，谈谈你自己对健康
68、生活方式的看法。注意：1词数80左右；2可以适当增加细节，以使行文连贯；3开头和结尾已为你写好，不计入总词数。Dear editor，_Yours，Li Hua【参考范文】Dear editor，It is wellknown that a healthy lifestyle is extremely important for everyone，especially for us high school students.Personally，we can do the following to live a healthy lifestyle：Firstly，form a good hab
69、it of going to bed early and getting up early.Secondly，have a balanced diet and do some exercise regularly.Last but not least，we should have a positive attitude towards life，which can help us keep happy and forget our troubles.I hope these suggestions above can be helpful.Yours，Li Hua第二节(满分25分)阅读下面短
70、文，根据其内容写一篇60词左右的内容概要。(2021浙江浙南名校联盟期中)Happy，angry，amazedthese are some of the emotions we like to express these days when were sending messages on our smart phones！Thats why many of us now add little pictures to our texts to brighten up someones mobile screen and were also using them as a quick way o
71、f telling someone how were feeling.Yes，emojis have become a vital tool for communication.The emoji was first invented in Japan in the late 1990s and the word“emoji”comes from the Japanese words for“picture”and“character”The number of different images has dramatically increased since then and now we
72、have pictures for every mood or situation.So now we have the option to give this new creation the visual “thumbsup”but have you thought about why weve become so addicted to using emojis？Professor Vyvyan Evans has written a book called The Emoji Code.He says，“Increasingly，what were finding is that di
73、gital communication is taking over from certain aspects of facetoface interaction.One of the reasons why emojis are so interesting is that they really do enable us to express our emotional selves much more effectively.”So emojis are a sort of replacement for the visual signals or nonverbal clues we
74、normally give when we speak to someone facetoface.Another advantage of emojis is that they are an international languagethey dont use words but tell a message in the form of pictures so they can be easily understood whatever your native language is.However，the emojis you send need some thought as th
75、ey can sometimes be misunderstoodif a friend sends you an emoji of a hammer，you may think he is angry when actually he is saying he has hurt himself or he is clumsy!Emojis are a good way of showing common emotions.But as linguist Neil Cohn says，“To many，emojis are an exciting development of the way
76、we communicate；to others，they are extinction of language.”_【参考范文】Emojis have become important in communication.(要点1)Since the creation in Japan in the late 1990s，their number has risen so sharply that now each emotion has a corresponding emoji.(要点2)They replace nonverbal languages in facetoface communication due to their efficiency in conveying feelings while emojis can also cause misunderstandings.(要点3)They add color to communication，but they may indicate the weakening of traditional writing.(要点4)