2021-2022学年新教材高中英语 模块综合检测2（含解析）牛津译林版选择性必修第一册.doc

1、模块综合检测(二)(时间：100分钟；满分：120分)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。AFestival of Light，Longleat Safari Park, WiltshireLongleat is celebrating its 50th anniversary this year.Giant lanterns take the shapes of some of the parks animals, and there are also lots of chara

2、cters in Beatrix Potters books, such as Peter Rabbit, Jemima PuddleDuck, Squirrel Nutkin, to mark the 150th anniversary of the authors birth.There is also a 20metrehigh birthday cake.27.85, adult/20.65, child/ underthrees，free.15 Dec.to 2 Jan.Festival of Light，Enchanted Park, GatesheadEnchanted Park

3、 is an interactive walk through Saltwell Park, just south of the town centre, along a trail (小径) of light with performances and sculptures.The story being told is a Midwinter Nights Tale, inspired by the 400th anniversary of William Shakespeares death.Visitors can join stories and songs with Santa，a

4、nd attend decorating workshops.8, adult/2, child/ underfours, free.1127 Dec.Christmas Glow, RHS Garden Wisley, SurreyThe garden is glowing with giant lighted flowers.Some of the trees are brilliant, too.The glasshouse is decorated like a gingerbread house, and displays (陈列) seasonal plants.There are

5、 lanterns around the lake.The cafe serves hot chocolate and apple juice.9.90，adult/3.60，child.20 Dec.to 2 Jan.Christmas at Kew Gardens，LondonKew is a special place to visit at any time of the day or year，but the festive light show gives it a magical twist, as the milelong trail through the garden is

6、 decorated with 60，000 lights.Some of the gardens oldest and tallest trees are also beautifully lit along the way.16, adult/10, child/48, family/ underfours, free.24 Dec.to 2 Jan.【语篇解读】本文介绍了英国四个公园各自的特色。1What can people do in Enchanted Park?AVisit Shakespeares house.BListen to a wonderful tale.CEnjoy

7、 hot chocolate and apple juice.DPlay the part of Santa.B细节理解题。根据“Festival of Light，Enchanted Park，Gateshead”部分中的“The story being told is a Midwinter Nights Tale”可知，人们在“Enchanted Park”可以听故事。2Which place will attract children who are fond of fictional animal characters?ALongleat Safari Park.BEnchanted

8、 Park.CRHS Garden Wisley.DKew Gardens.A细节理解题。根据“Festival of Light，Longleat Safari Park, Wiltshire”部分中的“Giant lanterns take the shapes of some of the parks animals, and there are also lots of characters in Beatrix Potters books, such as Peter Rabbit”可知，在Longleat Safari Park，巨型灯笼以一些动物的形状呈现，并且也有许多Beatr

9、ix Potter书中的动物角色，这样会吸引喜欢虚构的动物角色的孩子。3How much is the admission to Kew Gardens for Mr.Green and his 3yearold kid?A10.B16.C26.D48.B细节理解题。根据“Christmas at Kew Gardens，London”中的“16，adult/10，child/48，family/underfours，free”可知，成年人要16英镑，4岁以下的孩子免费，故选B项。BFifty years ago I had a young family of three boys.My hu

10、sband Johnny and I left them with a friend while we made a rare trip to the cinema in Liverpool.It was dark and pouring with rain but with the headlights shining on the road，we saw something ahead of us.Johnny pulled to a stop and I jumped out, ran to the grass edge and grabbed a small，wet, and frig

11、htened creature.I wrapped it safely in my woollen hat and insisted that my husband turn back and head for home.We thought it was a baby rabbit because it had long ears and was grayishbrown in colour.Once home, we filled a box with tornup newspaper and a warm towel.We named our new animal Bobsy as we

12、 had no idea of its sex.Sadly though，on the third day with us, it caught its back foot in a door and we quickly realised it was broken.We rushed to the vet(兽医), who said, “Its only a rabbit，Ill put it to sleep.” Our response was a very determined, “No way！”We found another vet and told that she was

13、a baby hare.We were told we should continue to keep her in her box for a week and her foot would heal.After her recovery, Bobsy learnt to use the kitty litter tray.She would comb her long ears with her front paws.The local paper heard about this and came to our house to take her photo and write a st

14、ory about her.We had her for seven wonderful years before we moved to New Zealand and we will never forget her.【语篇解读】本文是一篇记叙文。文章叙述了50年前作者一家人与一只被捡来的小兔子的故事，作者一家人永远不会忘记它。4Why did Johnny stop his car suddenly?AHe came across a friend.BThe headlights went out.CHis car broke down on the road.DHe noticed s

15、omething in front of him.D细节理解题。根据第二段中的“It was dark and pouring with rain but with the headlights shining on the road，we saw something ahead of us.Johnny pulled to a stop.”可知，约翰尼突然停车是因为他注意到车前面有东西。5What happened to the little animal on its third day with the family?AIt slept on a door.BIt was stuck i

16、n a door.CIts foot got seriously injured.DIt fell off from the top of a door.C细节理解题。根据第三段中的“Sadly though，on the third day with us，it caught its back foot in a door and we quickly realised it was broken.”可知，这只小动物在第三天的时候脚受了重伤。6Which best describes the familys attitude towards the rabbit?AConsiderate.B

17、Cruel.CHopeless.DIndifferent.A观点态度题。根据第二段中的“I wrapped it safely in my woollen hat.Once home，we filled a box with tornup newspaper and a warm towel.”可知，作者一家人对兔子非常体贴。7What is the passage mainly intended to do?ATo tell the importance of protecting small animals.BTo remember unusual experiences with a s

18、mall rabbit.CTo persuade people to give generously and receive thankfully.DTo make the rabbit widely known to local people by paper.B目的意图题。根据最后一段的“We had her for seven wonderful years before we moved to New Zealand and we will never forget her.”可知，作者写这篇文章的主要目的是回忆与一只小兔子的不寻常的经历。CI have travelled to ma

19、ny placesthe jungles where the water is unsafe；places with the wildest animals.Friends always ask why I, a middleaged woman with no athletic talent, go to such places.I never know how to answerjust I want to put my toes in the mud of adventure.I stopped travelling nine years ago after I suffered a s

20、troke(中风)caused by a disease, APS.To prevent another stroke, my doctors told me that travelling to remote places without medical help would be risky.A slip on a damp temple step, even a slight traffic accident，would no longer be mere annoyances.My return to travel after my stroke came in baby stepsa

21、 feast in Texas；a visit to my mom in Virginia.They all came back, the freedom, the excitement and the fresh air.The first real test of my travel courage came nine months after my stroke when I joined my husband in visiting China.After we had toured a temple, Jack wanted to ride down on a toboggan (平

22、底雪橇)Before the stroke it would have seemed like fun for me.But now I stepped back.I feared.My mind screamed warnings of a fall or a crash.Then gathering confidence from nowhere, I lowered myself and took the flying toboggan ride, which marked my adventure travels coming back.Since then, Ive dared to

23、 take challenges and have challenged many places.But I watch my medicine like an eagle.I get my blood tested.I weigh the risks.Then, if I decide its okay，like that toboggan ride down the mountain，I just jump in，let go and enjoy the ride.I think I travel for hoping to broaden my world and keep me con

24、nected with friends and families.Most of all, saying “yes” to travel is related to my APS.If I let myself be afraid to travel，then my APS will win.【语篇解读】本文属于记叙文。讲述了作者因为中风暂停了旅行，但是后来又重新拾起了对探索的热情的故事。8How do the authors friends react to her adventures?AThey try to stop her.BThey dont understand her.CThe

25、y admire her.DThey are inspired.B推理判断题。根据第一段的第二句“Friends always ask why I，a middleaged woman with no athletic talent，go to such places.”可知，朋友们会好奇，为什么，作者作为一个中年妇女，没有体育天赋，要去那些地方。由此推测，朋友们对作者的行为不理解。9What do we know about the authors return to travel?AShe followed her doctors advice.BShe gradually overcam

26、e challenges.CShe was encouraged by her husband.DShe got more enthusiastic about toboggan.B细节理解题。根据第三段的第一句“My return to travel after my stroke came in baby steps”以及第四段“The first real test of my travel courage came nine months after my stroke when I joined my husband in visiting China.”可知，中风之后，作者重新开始

27、旅行都是慢慢开始的，而中风九个月之后，重新拾起对旅行的热爱则是与丈夫一起去中国开始的。由此可知，作者重新旅行是逐渐的，一步一步的。10What does the visit in China mean to the author?AA turning point.BA fun experience.CA health alarm.DA lifeanddeath test.A推理判断题。根据第四段的最后一句“Since then，Ive dared to take challenges and have challenged many places.”可知，从那时开始，作者敢去接受挑战，去挑战很

28、多地方。由此推测，中国一行对于作者来说就是一个转折点。11Whats the main reason for the author to continue her adventures now?ATo relax herself.BTo broaden her mind.CTo keep herself connected.DTo fight her disease.D推理判断题。根据最后一段的最后两句“Most of all，sayingyesto travel is related to my APS.If I let myself be afraid to travel，then my

29、APS will win.”可知，大多数时候，旅行对作者来说与APS疾病有关，如果她害怕旅行的话，疾病就会战胜她。由此推测，作者旅行是为了与疾病做斗争。DCan I talk about salary at work? In a word：yes.As the HR company Insperity put it in a recent blog post：Can your employees discuss their salaries or wages with their coworkers? Yes.Even if you have a company policy against

30、it? Yes. The freedom to discuss your salary at work is a protected right under the labor law.The National Labor Relations Act of 1935 protects your right to discuss the conditions of your employment，including issues related to safety and pay, even when youre not protected by a union.Talking about sa

31、lary with colleagues can be uncomfortable，since theres such a taboo about discussing money matters, but its an important step towards achieving equal pay for equal work.One barrier，however, stems from how we think of our own financial worth.Too many people I talk to wrongly consider their salary a r

32、eflection of their worthiness, a statement about their skills, experience，or value.At the end of the day, if we can all separate our selfworth from our salaries a bit more，itll become easier to talk frankly with our colleagues.Asking about money outright can be tough, so one trick Ive picked up alon

33、g the way is to ask for your colleagues to confirm or deny.For instance, you might volunteer your salary first and ask “Does that sound right to you？” by way of comparison.Or, lets say youre interviewing for a promotion to become a manager.You might ask a fellow manager about the kind of salary you

34、should expect by saying, “Im seeing salaries for this kind of position ranging from $65，000 to $70，000does that seem accurate to you？” This way, even if your colleague isnt comfortable sharing their salary outright，they can help you identify if your expectations are appropriate.【语篇解读】本文是议论文。文章主要讨论了是

35、否可以在工作中谈论薪金的问题。12What makes coworkers uncomfortable to talk about salaries?AThe safety issue.BThe labor law.CThe wrong idea about salaries.DThe reflection of their worthiness.C推理判断题。根据第三段第二句“One barrier，however，stems from how we think of our own financial worth.”和对第三段的整体理解可推知，对薪金的错误看法导致同事间谈论薪金时感到不舒服

36、。13What does “taboo” underlined in Paragraph 3 refer to?AA prohibited practice.BA firm belief.CA general agreement.DA social custom.A词义猜测题。根据第三段第一句中的“Talking about salary with colleagues can be uncomfortable”可知，和同事谈薪金让人不舒服，并结合常识可推知，谈论钱的事情是一个禁忌，故选A项。14What is mainly talked about in Paragraph 4?AOne o

37、f my interview experiences.BMy way of asking about money.CThe method of raising questions.DAn example of getting promoted.B段落大意题。根据语境可知，第四段第一句“Asking about money outright can be tough，so one trick Ive picked up along the way is to ask for your colleagues to confirm or deny.”点出了本段要谈论的主题，并结合对本段的整体理解可推

38、知，本段主要讲的是询问关于薪金的事情的方法。15What can be the best title for the text?AHow to Discuss Salaries at WorkBWays of Talking about SalariesCDo Salaries Stand for Selfworth?DCan Salaries be Talked about at Work?D标题归纳题。本文第一段第一句“Can I talk about salary at work？”点出了要谈论的话题，并结合对全文的整体理解可推知，本文主要讨论了是否可以在工作中谈论薪金的问题。第二节(共

39、5小题；每小题2.5分，满分12.5分)根据短文内容，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。Everglades National Park is the largest subtropical(亚热带的)wilderness in the country. 16 It is also the third largest national park in the lower fortyeight states, after Death Valley and Yellowstone.Each year, more than one million people v

40、isit the Everglades. 17 The expansive wetlands stretch across more than six hundred thousand hectares.It is a place where plants and animals from the Caribbean Sea share an ecosystem with native North American species.Unlike most other national parks, Everglades National Park was created to protect

41、an ecosystem from damage.The Everglades is home to about fifteen species that federal officials say are threatened and endangered. 18 In addition, more than three hundred fifty bird species and three hundred species of fresh and saltwater fish live within the park.The Everglades is also home to fort

42、y species of mammals and fifty reptile species. 19 They include what is said to be the largest growth of mangrove trees in the western world.Gumbolimbo trees, known for their peeling red skin，strangler figs and royal palms are also among the areas plant life.The countrys largest living mahogany tree

43、 also lives in the Everglades.In recent years, environmental experts have learned about the damage to the Everglades.They say the balance of nature there has been destroyed. 20 However，efforts to protect the area are continuing so people from all over the world may continue visiting this biological

44、treasure.AThe future of the Everglades is not clear.BVisitors to the Everglades will see many exotic plants.CThe park is home to several rare and endangered species.DExperts believe that the Everglades has a very bright future.EThe park is very beautiful and attracts millions of tourists every year.

45、FThey include the Florida panther, the American crocodile and the West Indian manatee.GThe Everglades is considered one of the great biological wonders of the world.【语篇解读】本文介绍了美国大沼泽地国家公园的现状。专家认为公园生态平衡遭到破坏，但保护措施也正持续实施。16C第一段整段介绍了“大沼泽地国家公园”的特点。只有C选项符合此意，即“公园是一些稀有和濒危物种的家园”。也与下文“It is also.”的句意相吻合。其他句子都

46、没有表达它的特点。17G第二段从公园的地理位置上说明“大沼泽公园”的特殊性。G项说公园被认为是世界最大的生物奇观之一。后面讲公园蔓延大片的湿地以及环境特色。18F本段讲这个公园是为保护生态系统免受破坏而建立的，是15个受到威胁和危害(threatened and endangered)的动物的家园。F项就包括这些物种，例如panther、crocodile等。19B本段后面讲了很多种类的trees，很明显本段主要讲公园内植物，只有B项阐述了园内有大量植物。20A最后一段前几句讲公园内生态系统遭到破坏，A项表明“公园的未来不明朗”。同时下文的However后的内容“：(尽管不明朗)还是采取了很多

47、措施来保护”，这更加确定要选择A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，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项。(2021山东实验中学高二期中)While waiting for my train，I saw a young man sitting on the stations floor，head down.I thought he was 21 ，I looked around and nobody 22 ，so I just shrugged and went on my way.After

48、a few steps I 23 and found he was drunk.I asked him if he was OK and if he needed any 24 .He told me he was OK.He said his house was one station further.He wanted to take the stairs but I 25 he would hurt himself since he seemed too 26 to walk.So I asked him to take the elevator.He 27 taking the sta

49、irs.I told him I would ride the elevator with him，even though my mind was trying to 28 me not to go into an elevator alone with a drunken man.The man couldnt 29 well，so I asked him to walk a little more with me to 30 on a bench.While sitting there he 31 me，telling me that I saved him.Finally，we got

50、on the train.At the next 32 ，as we said our goodbyes，I asked him to walk 33 Before I knew it，he left $ 20 next to me on the seat and 34 out of the train.There was no way to give him back his money.Now，my 35 iswhat act of kindness shall I do with these $20?【语篇解读】本文是一篇记叙文。文章主要讲述了作者搭乘火车的一次经历：帮助一位“醉汉”搭乘

51、火车回家，并收到了他的感谢金20美元。21AdrinkingBthinkingCsleepingDrecoveringC句意：我以为他在睡觉(sleep)，我环顾四周，没有人停下来(stop)，所以我只是耸耸肩，继续走路。根据语境可知，作者以为这位男士低着头在睡觉。故选C项。22Awaited BstoppedCactedDescapedB句意见上题解析。根据语境可知，这位男士“睡”在车站的地板上，没有人停下来关注他。故选B项。23AturnedBarose CsufferedDbargainedA句意：走了几步，我转过身(turn)来，发现他喝醉了。根据后文：found he was dru

52、nk(发现他喝醉了)可知，作者走了几步，转过身才能发现这位年轻人的情况。故选A项。24AfoodBmoneyCpatienceDhelpD句意：我问他是否还好，是否需要帮助(help)。故选D项。25AdoubtedBdecidedChoped DfearedD句意：他想爬楼梯，但我担心(fear)他会受伤，因为他看起来太虚弱(weak)了，走不动路。故选D项。26AfastBsteadyCweakDslowC句意见上题解析。根据语境可知，这位年轻人喝醉了坐在地上，说明他很虚弱。故选C项。27Ainsisted onBdreamed ofCbelieved inDdepended onA句意：

53、他坚持(insist on)走楼梯。insist on坚持；dream of梦想；believe in相信；depend on依赖，取决于。故选A项。28AallowBinviteCwishDremindD句意：我告诉他我会和他一起乘电梯，尽管我心里一直在提醒(remind)自己不要和一个醉汉单独进电梯。故选D项。29AsingBperformCstandDsleepC句意：那个人站(stand)不稳，所以我让他和我多走一会儿，在长凳上休息(rest)一下。根据语境可知，这位年轻人喝醉了，且之前坐在地上，因此“站不好”，且后文提到“on a bench”。故选C项。30ArestBsurviv

54、eCchatDlieA句意见上题解析。根据后文“While sitting there.”可知，他们坐到了长椅上。故选A项。31AnoticedBthankedCpraisedDbeggedB句意：他坐在那里感谢(thank)我，告诉我是我救了他。根据后文“telling me that I saved him”，可知年轻人向我表示感谢。故选B项。32ApositionBjourneyCmileDstationD句意：在下一站(station)，我们道别时，我让他小心地(carefully)走。根据前文“He said his house was one station further.”提及

55、station。故选D项。33AcarefullyBbravelyCquicklyDseriouslyA句意见上题解析。根据句意和语境可知，作者在告别时提醒他要小心走路。故选A项。34AmovedBfledCdashedDjumpedC句意：我还没反应过来，他就把20美元放在我旁边的座位上，冲出(dash)了火车。根据后文“There was no way to give him back his money.(没有办法把钱还给他。)”说明年轻人走得很快。故选C项。35AwarningBquestionCwishDworryB句意：现在，我的问题(question)是我该拿这20美元做什么善事

56、呢？后文为疑问句，是作者的疑问。故选B项。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。 Five million people visit the Grand Canyon National Park every year.The first sight of the canyon can leave visitors speechless.36._(depend) on the time of day，the sun lights up the rock walls in red, orange, and golden co

57、lors.The bright colors are the result of minerals in the rock.Their appearance changes 37._(end less)At sunset, the canyon walls display red and gold hues.Then they take 38._softer colors of blue，purple, and green.Most visitors walk along paths partway down the canyon.It takes several hours 39._(wal

58、k) to the bottom，and even 40._(long) to climb up.Some visitors choose to ride mules(骡) to the bottom of the canyon.Mules are strong animals 41._look similar to horses.Visitors can explore the Grand Canyon in other 42._(way)Hundreds of thousands of people see the canyon by air each year.They pay a he

59、licopter or 43._airplane pilot to fly them above and around the canyon.Visitors can also see the Grand Canyon from a huge glass walkway 44._(call) the Skywalk.The Hualapai Indians 45._(build) it to increase tourism at the reservation.【语篇解读】本文是一篇说明文。文章主要介绍了美国的大峡谷国家公园，它每年吸引着数百万游客前去参观。36Depending考查非谓语动

60、词。所填词在句中作伴随状语，与其逻辑主语the sun构成主动关系，故用现在分词形式。37endlessly考查副词。修饰动词changes，应用副词形式。此处指“它们的外貌在不断地变化”。38on考查介词。take on为固定搭配，意为“呈现”，符合句意。39to walk考查不定式。此处使用“It takes some time to do sth.”句型。40longer考查比较级。此处与前面的“到峡谷底部需要几个小时”进行比较，指“登上去需要更长时间”，且前面有even修饰，故填比较级。41that/which考查关系代词。所填词在句中引导定语从句，且在从句中作主语，先行词为anima

61、ls，故用that/which引导。42ways考查名词复数。此处表示“用其他方式”。way为可数名词，且other后常接可数名词复数，故填ways。43an考查冠词。此处表示泛指，与前面的a helicopter为并列关系，airplane的发音以元音音素开头，故填an。44called考查非谓语动词。所填词在句中作后置定语，walkway和动词call为被动关系，故用过去分词。45built考查时态。根据句意可知，此处表示过去发生的动作，应用一般过去时。第三部分写作(共两节，满分40分)第一节(满分15分)假设你是李华，正在新西兰学习，你计划暑假期间在当地旅行，请你写一封电子邮件向当地旅行

62、社询问相关事宜。内容包括：1旅行信息(如景点等)；2当地特色(如美食等)；3注意事项。注意：1.词数80左右；2开头和结尾已给出，不计入总词数；3可以适当增加细节，以使行文连贯。Dear Sir or Madam，_Yours sincerely，Li Hua参考范文Dear Sir or Madam，Im Li Hua，a Chinese student studying in New Zealand.Im writing to ask for some information about travelling in New Zealand since I plan to spend my

63、summer vacation here.Could you recommend some popular travelling routes to me？As we know，New Zealand is famous for its beautiful scenery and places of interest and I want to know more details.Besides，Im also interested in the local food，which is spoken highly of among us Chinese students.At last，wha

64、t else should I prepare for the travelling?Id be grateful to receive a reply at your earliest convenience.Yours sincerely，Li Hua第二节(满分25分)阅读下面材料， 根据其内容和所给段落开头语续写两段， 使之构成一篇完整的短文。The Cost of a SmileKathy was a young woman in her 20s who worked in a small restaurant as a waitress.One day，as she went ab

65、out her shift with her usual angry look，a kind old man walked in and sat down at the counter.He read the menu and politely told her what he wanted.Kathy took his order，and yelled，“Your food will be ready soon.”As she turned to leave，the man said，“A smile costs nothing.”Kathy rolled her eyes at him a

66、nd walked away.She brought his order，cleared his plates and gave him the bill，for which he left a nice tip.Each time the old man saw her，he smiled and thanked her.This only made her angrier.A week went by，and every day the man came for lunch and the same thing happened.And each time Kathy took his o

67、rder he would say，“A smile costs nothing.”But a week later，Kathy picked up a menu，wrote the words“1 SMILE.$20”at the bottom，and placed it on the counter for the kind old man to see.He came，and Kathy waited for his reaction as he read the menu.The old man ordered his usual and added，“.and a smile，if

68、you dont mind.”Kathy was so surprised.She laughed out loud.“Now，now.”The man jokingly scolded，“I ordered a smile，not a laugh.”So Kathy put on a bright smile and said，“Coming right up，sir.”And to her surprise，he left a $20 tip!A few years went by，and the two bonded like family.Charlie，the kind old ma

69、n，was a retired manager whose wife passed away long ago.He spent most of his time at home，with exception of his frequent restaurant visits.Every day Kathy spent her break talking to him.注意：1.续写词数应为150左右；2请按如下格式作答。 One day he didnt come to the restaurant._ Several days after the funeral，Kathy receive

70、d a very importantlooking letter in the mail._参考范文One day he didnt come to the restaurant.Kathy called his home, only to hear an answering machine.With nervousness wrapped into anxiety，she went to his house and found out from his neighbor that he had died the day before.On hearing the bad news she f

71、elt seized by a burst of sadness and couldnt help crying bitterly.Because Charlie had no family or close friends，Kathy put herself in charge of his funeral arrangements. She and the neighbor were the only people to attend.Several days after the funeral，Kathy received a very importantlooking letter i

72、n the mail.It was from Charlies lawyer.In it was a check for almost $600，000! Kathy nearly fainted，but then she noticed a handwritten note which read：“Dear Kathy, by the time you read this, I will be gone.Here I have left for my best friend a small token of my gratitude I can never repay you for what you have given me, for you see, Kathy, a smile is worth much more than $20.Indeed，a smile is priceless.”