通用版2021高考英语一轮复习考点十五广告信息类练习含解析 15页

专题三　阅读理解 三年全国卷考情分析 体裁考频 ‎　记叙文　3年6考 　‎ ‎　说明文 3年14考　‎ ‎　议论文 3年4考 　‎ ‎　应用文　3年9考　‎ ‎　夹叙夹议文 3年0考　‎ ‎　报道 3年3考　‎ 题材考频 ‎　人物故事类　3年4考 　‎ ‎　社会生活类 3年12考　‎ ‎　科普研究类 3年4考 　‎ ‎　生态环保类 3年3考 　‎ ‎　广告信息类　3年9考　‎ ‎　史地人文类 3年2考　‎ ‎　说理议论类 3年1考　‎ ‎　新闻时事类 3年2考　‎ 预测说明 从体裁上，主要以记叙文、说明文和应用文为主；从内容上，注重社会生活类和广告信息类的考查，并倡导健康生活，渗透美育，培养劳动意识 解题流程 先读题干，熟悉问题→分段阅读，找出问题答案→再次复查，确定答案 考点十五　广告信息类 A 限时8分钟 Invisible Dialogues and Invented Languages ‎·July 13, 2019‎ This discussion will examine selftaught artists who use coded or invented languages in their work. Artists include Melvin Edward Nelson, and Carlo Keshishian. Exploring the relationship between language and visual expressions, it seeks to find out how some unreadable words, letters, and symbols communicate meaning.‎ ‎·6：30 pm8：00 pm ‎·$10 members, students, seniors; $12 nonmembers Art and Storytelling ‎·July 20, 2019‎ Artist Ernesto Caivano will discuss the connection of drawing and stories in his work, while examining how his explorations of storytelling relate to his previous works.‎ Another activity includes conversations with artists and scholars, providing a good opportunity to engage with the central themes and histories found in the artwork.‎ ‎·6：30 pm7：30 pm - 15 -‎ ‎·$5 members, students, seniors; $8 nonmembers SelfTaught Genius ‎·July 27, 2019‎ Sponsor Sarah Suzuki will discuss selected drawings and prints on view in the exhibition Highlights from SelfTaught Genius in a guided gallery tour.‎ The program is held together with the exhibition Highlights from SelfTaught Genius at the newly opened SelfTaught Genius Gallery in Long Island City, Queens.‎ ‎·6：00 pm7：00 pm ‎·$5 members, students, seniors; $8 nonmembers Gender, Politics and Textiles (纺织品)‎ ‎·August 3, 2019‎ Art historian Julia Bryan Wilson will present an illustrated overview of her publication Fray: Art and Textile Politics. Julia will explore the relationship between textiles, gender and war. A book signing will follow the discussion.‎ ‎·6：30 pm8：00 pm ‎·$8 members, students, seniors; $10 nonmembers 篇章导读：本文是一篇应用文。文章对四项活动作了详细的介绍，目的就是为这些活动做广告。‎ ‎1．Who will talk about drawing and stories?‎ A．Ernesto Caivano. B．Sarah Suzuki.‎ C．Melvin Edward. D．Julia Bryan Wilson.‎ 答案：A　细节理解题。根据Art_and_Storytelling部分中的“Artist Ernesto Caivano will discuss the connection of drawing and stories in his work”可知，Ernesto Caivano会在他的作品中讨论绘画和故事的关系。故A项正确。‎ ‎2．Which of the activities is available in August, 2019?‎ A．SelfTaught Genius.‎ B．Art and Storytelling.‎ C．Gender, Politics, and Textiles.‎ D．Invisible Dialogues and Invented Languages.‎ 答案：C　细节理解题。根据最后一部分Gender, Politics, and Textiles (纺织品)中的August 3, 2019可知C项符合题意。‎ ‎3．What is the purpose of the text?‎ A．To advertise some activities.‎ B．To introduce some artists.‎ - 15 -‎ C．To publicize some looks.‎ D．To sponsor some events.‎ 答案：A　推理判断题。通读全文可知，本文对四项活动作了详细的介绍，目的就是为这些活动做广告。分析选项可知A项符合题意。‎ B 限时8分钟 Check off the four corners Arizona, Utah, Colorado and New Mexico are not simply the only four American states that meet at a single point, but they also host the US's greatest concentration of national parks.‎ This is the place to come for that classic scene of the lonely desert road extending to the horizon. On your way, take in such sights as the Monument Valley and the mysterious remains of centuries－old civilizations in Colorado's Mesa Verde.‎ Find beauty in the desert With many miles of excellent roads, a self－drive trip in Namibia makes total sense. Plan a route north from capital Windhoek to wildlife－rich Etosha National Park, before crossing Damaraland to reach the Skeleton Coast. The most impressive desert views are in the Namib－Naukluft National Park to the south. At Sossusvlei, the landscape takes on the quality of a surrealist painting.‎ Cross half a continent The 1,761－mile－long Stuart Highway runs north to south through Australia's Red Centre. It is not a road where every turn shows new wonders; the reward of this trip comes in the gradual change in your surroundings, from red soils in Australia's outback to the tropical (热带的) leaves of the Indian Ocean coast.‎ Take the high road Among all the crashing of continental plates that raised up the Canadian Rockies, a 144－mile route was left more or less clear at their centre. The Icefields Parkway now passes through this amazing scenery; with the access it brings to icy lakes, waterfalls and ice fields, the section between Banff and Jasper has a good claim to being the most scenic in the world.‎ 篇章导读：本文是一篇应用文，介绍了四个公路旅行，包括其特色、地理位置等信息。‎ ‎4．Where can you experience ancient civilizations?‎ A．In Australia's Red Centre.‎ - 15 -‎ B．In the Canadian Rockies.‎ C．In Colorado's Mesa Verde.‎ D．In the Namib－Naukluft National Park.‎ 答案：C　细节理解题。根据Check off the four corners部分的尾句“On your way, take in such sights as the Monument Valley and the mysterious remains of centuries－old civilizations in Colorado's Mesa Verde.”可知，在科罗拉多州的梅萨维德国家公园可以体验古老的文明。故C项正确。‎ ‎5．What can you do on a self－drive trip in Namibia?‎ A．Explore the Monument Valley.‎ B．Enjoy the striking desert views.‎ C．Save some endangered wildlife.‎ D．Go through the largest national park.‎ 答案：B　细节理解题。根据Find beauty in the desert部分中的“The most impressive desert views are in the Namib－Naukluft National Park to the south.”可知，在纳米比亚自驾游可以欣赏到令人印象深刻的沙漠景观，故B项正确。‎ ‎6．What can you infer about the trips mentioned in the text?‎ A．They provide the amazing road adventures.‎ B．They offer new wonders across the world.‎ C．They are for those who love various national parks.‎ D．They are intended to raise environmental awareness.‎ 答案：A　推理判断题。根据第一部分第二段第一句中的“the lonely desert road”，第二部分第一句中的“excellent roads”，第三部分第二句中的“a road”，第四部分标题Take the high road，并结合全文其他内容可推知，这些旅行都提供令人惊叹的公路冒险，故A项正确。‎ C 限时10分钟 The Iron Peacock By Mary Stetson Clarke Paperback ————$10.75　$9.32‎ - 15 -‎ Joanna Sprague's life is upended (使颠倒) when her father died on the voyage that was to take them to a new life in the Massachusetts Bay Colony. Poor and alone, 16yearold Joanna must summon (鼓起) uncommon courage to survive as a servant in a strange new world.‎ The Broken Blade By William Durbin Paperback ————$6.99　$6.18‎ In 1800,13yearold Pierre La Page never imagined he'd be leaving Montreal to paddle 2,400 miles. It was something older men, like his father, did. But when Pierre's father had an accident, Pierre quit school to become a voyager for the North West Company, so his family could survive the winter. It's hard for Pierre as the youngest in the team. Pierre was miserable. Still he had no choice but to endure the trip to Grand Portage and back. ‎ Stowaway By Karen Hesse Paperback ————$7.99　$6.18‎ It is known that in the summer of 1768, Captain James Cook sailed from England, beginning a threeyear voyage around the world on a secret mission to discover an unknown continent at the bottom of the globe.What is less known is that a boy named Nicholas Young was a stowaway (偷乘船者) on that ship. Karen Hesse recreates Cook's voyage through the eyes of this remarkable boy, creating a fictional journal filled with fierce hurricanes, warring natives, and disease, as Nicholas discovers new lands, incredible creatures, and lifelong friends.‎ - 15 -‎ I Am David By Anne Holm Paperback ————$6.99　$6.29‎ David's entire twelveyear life has been spent in a prison camp in Eastern Europe. He knows nothing of the outside world. But when he is given the chance to escape, he seizes it. With his enemies hot on his heels, David struggles to cope with the difficulty in this strange new world, where his only resources are a compass, a few crusts of bread, his two aching feet, and some advice to seek refuge in Denmark. Is that enough to survive?‎ 篇章导读：本文是一篇应用文，共介绍了四本书的具体信息，包括书名、作者、定价及内容介绍。‎ ‎7．Who wrote the story about a young girl who had to survive in a strange new world?‎ A．Anne Holm. B．William Durbin.‎ C．Karen Hesse. D．Mary Stetson Clarke.‎ 答案：D　细节理解题。根据第一本书The Iron Peacock中的“16yearold Joanna ... strange new world”可知，本书讲述的是一个女孩在一个陌生的新世界艰难生存的故事，其作者是Mary Stetson Clarke。‎ ‎8．Which of the following characters had to endure a lot to help support the family?‎ A．Joanna Sprague. B．Pierre ‎La Page.‎ C．Nicholas Young. D．David.‎ 答案：B　细节理解题。第二本书The Broken Blade的主人公Pierre La Page在父亲出事后，辍学成为一个远航探险者并承担起养家的责任。‎ ‎9．What kind of readers will most probably like reading Stowaway?‎ A．Those who want to be sailors.‎ B．Those who like traveling.‎ C．Those who study science in college.‎ D．Those who are eager for freedom.‎ 答案：A　推理判断题。Stowaway讲述了一个名叫Nicholas Young - 15 -‎ ‎ 的男孩偷乘Cook船长的航海船去发现新大陆的故事，属于航海题材的故事，该书对于想成为水手的人无疑是最具吸引力的。‎ ‎10．How much can you save at least if you buy all of the four books mentioned above?‎ A．$3.15. B．$4.75.‎ C．$5.25. D．$6.05.‎ 答案：B　细节理解题。用四本书的原价总数减去折后价的总数后得出，可以省下$4.75。‎ D 限时10分钟 Below you will find a profile of each gap year program. If there is a specific program you are interested in or a question you have regarding these programs, please feel free to contact them directly.‎ Youth International Since 1997, Youth International has provided many people with the most exciting and educational experience of their life. It is a learning program that combines international travel, inter－cultural exchange, home stays, volunteer community service work and outdoor adventures.‎ Phone: 17202703323‎ Carpe Diem Education Through volunteer service, travel and cultural exchange, students of Carpe Diem Education receive a personal insight into themselves and their cultures. We specialize in guiding summer and semester programs for high school students. Each course is carefully crafted to develop leadership and self－awareness within our students, who return home better prepared to be leaders in thought and action.‎ Phone: 5032851800‎ Center for Interim Programs Founded in 1980, the Center for Interim Programs is the first independent gap year organization in America. Based on students' interests and budget, our experienced teachers help make individual course choices including low cost volunteer options, language programs, research trips, and so on. We are committed to helping students find more experiences of formal education and work.‎ Phone: 4135850980‎ EF Gap Year An EF Gap Year offers students the ability to explore several countries where you will learn a language, volunteer for a good cause, gain international work ‎ - 15 -‎ experience. Choose between a 12－week semester or 25－week academic year. You can then personalize your program to meet your learning goals and interests by deciding where, when, and how you wish to study on your own. Our well－structured curriculum even allows you to have college－level classes and earn credits toward graduation. ‎ Phone: 18007269746‎ 篇章导读：本文是一篇应用文。文章介绍了在间隔年期间学生可以选择的一些教育项目。‎ ‎11．Which phone number can you dial if you want to improve your leadership?‎ A．17202703323. B．5032851800.‎ C．4135850980. D．18007269746.‎ 答案：B　细节理解题。根据题干中的关键词“leadership”定位到Carpe Diem Education部分中的“Each course is carefully crafted to develop leadership”，由该部分中的电话号码可知答案选B。‎ ‎12．What is EF Gap Year's unique feature?‎ A．Its reasonable fee.‎ B．Its experienced teachers.‎ C．Its flexible study time.‎ D．Its diverse curriculum choices.‎ 答案：C　细节理解题。根据EF Gap Year部分第三句“You can then personalize your program ... on your own.”可知，你可以根据自己的学习目标和兴趣，决定在何地、何时、以何种方式学习，从而使你的课程个性化。由此可知，该项目的独特之处在于学习时间、地点与方式可以灵活选择。故选C。‎ ‎13．What do the four programs have in common?‎ A．They pay attention to volunteer service work.‎ B．They combine education with home stays.‎ C．They mainly offer cross－cultural education.‎ D．They raise students' interest in adventure.‎ 答案：A　细节理解题。根据Youth International部分中的“volunteer community service work”、Carpe Diem Education部分中的“Through volunteer service”、Center for Interim Programs部分中的“low cost volunteer options”以及EF Gap Year部分中的“volunteer for a good cause”可知，这四个项目的共同之处在于它们都关注志愿者服务工作。故选A。‎ A - 15 -‎ 限时10分钟 ‎(2019·全国卷Ⅰ)‎ Need a Job This Summer?‎ The provincial government and its partners offer many programs to help students find summer jobs. The deadlines and what you need to apply depend on the program.‎ Not a student? Go to the government website to learn about programs and online tools available to help people under 30 build skills, find a job or start businesses all year round.‎ Jobs for Youth If you are a teenager living in certain parts of the province, you could be eligible (符合条件) for this program, which provides eight weeks of paid employment along with training.‎ Who is eligible：Youth 1518 years old in select communities (社区)．‎ Summer Company Summer Company provides students with handson business training and awards of up to $3,000 to start and run their own summer businesses.‎ Who is eligible：Students aged 1529, returning to school in the fall.‎ Stewardship Youth Ranger Program You could apply to be a Stewardship Youth Ranger and work on local natural resource management projects for eight weeks this summer.‎ Who is eligible：Students aged 16 or 17 at time of hire, but not turning 18 before December 31 this year.‎ Summer Employment Opportunities (机会)‎ Through the Summer Employment Opportunities program, students are hired each year in a variety of summer positions across the Provincial Public Service, its related agencies and community groups.‎ Who is eligible：Students aged 15 or older. Some positions require students to be 15 to 24 or up to 29 for persons with a disability.‎ 篇章导读：本文是一篇应用文。文章介绍了省政府及其合作者提供的面向学生的四则暑期工作公告。‎ ‎1．What is special about Summer Company?‎ A．It requires no training before employment.‎ B．It provides awards for running new businesses.‎ C．It allows one to work in the natural environment.‎ - 15 -‎ D．It offers more summer job opportunities.‎ 答案：B　细节理解题。根据题干中的关键词“Summer Company”可直接定位到第二则暑期工作公告，而且浏览四则暑期工作公告可以发现，只有Summer Company的介绍里提到了awards(奖励)以及$3,000这样的字眼，由此可知Summer Company的特别之处在于“它为经营新业务提供奖励”。故选B。‎ ‎2．What is the age range required by Stewardship Youth Ranger Program?‎ A．1518. B．1524.‎ C．1529. D．1617.‎ 答案：D　细节理解题。根据题干中的关键词“Stewardship Youth Ranger Program”可直接定位到第三则暑期工作公告。根据本部分中第二段内容可知，这个项目的年龄要求是16岁或17岁，且在今年12月31日前不能满18岁。故选D。‎ ‎3．Which program favors the disabled?‎ A．Jobs for Youth.‎ B．Summer Company.‎ C．Stewardship Youth Ranger Program.‎ D．Summer Employment Opportunities.‎ 答案：D　细节理解题。根据题干中的关键词“the disabled (残疾人)”可直接定位到最后一则暑期工作公告中的“persons with a disability”两者属于典型的同义词替换，故选D。‎ B 限时10分钟 ‎(2018·全国卷Ⅱ)‎ Summer Activities Students should read the list with their parents/carers, and select two activities they would like to do. Forms will be available in school and online for them to indicate their choices and return to school. Before choices are finalised, parents/carers will be asked to sign to confirm their child's choices.‎ Activity Description Member of staff Cost Outdoor Adventure ‎(OUT)‎ Take yourself out of your comfort zone for a week, discover new personal qualities, and learn new skills. You will be able to take part in a number of activities from canoeing to wild camping on Dartmoor. Learn rock climbing and Mr Clemens ‎￡140‎ - 15 -‎ ‎ work as a team, and enjoy the great outdoor environment.‎ WWI Battlefields and Paris ‎(WBP)‎ On Monday we travel to London. After staying overnight in London, we travel on Day 2 to northern France to visit the World War Ⅰ battlefields. On Day 3 we cross into Belgium. Thursday sees us make the short journey to Paris where we will visit Disneyland Paris park, staying until late to see the parade and the fireworks. Our final day, Friday, sees us visit central Paris and tour the main sights.‎ Mrs Wilson ‎￡425‎ Crafty Foxes ‎(CRF)‎ Four days of product design centred around textiles. Making lovely objects using recycled and made materials. Bags, cushions and decorations ... ‎ Learn skills and leave with modern and unusual textiles.‎ Mrs Goode ‎￡30‎ Potty about Potter (POT)‎ Visit Warner Bros Studio, shop stop to buy picnic, stay overnight in an approved Youth Hostel in StreatleyonThames, guided tour of Oxford to see the film locations, picnic lunch outside Oxford's Christchurch, boating on the River Cherwell through the University Parks, before heading back to Exeter.‎ Miss Drake ‎￡150‎ 篇章导读：本文是一篇应用文。文中描述了供学生参加的暑假活动安排。文中分别对这些活动的名称、活动内容、活动特色、活动组织工作人员以及活动的价格进行了详细的介绍。‎ ‎4．Which activity will you choose if you want to go camping?‎ A．OUT.　　　　　 B．WBP.‎ C．CRF.　　　　　 D．POT.‎ 答案：A　细节理解题。根据题干中的“go camping”，我们可以迅速浏览到第一个活动当中的“wild camping (野外露营)”这个关键信息。故选A。‎ ‎5．What will the students do on Tuesday with Mrs Wilson?‎ A．Travel to London.‎ B．See a parade and fireworks.‎ - 15 -‎ C．Tour central Paris.‎ D．Visit the WWI battlefields.‎ 答案：D　细节理解题。根据题干中的“with Mrs Wilson”，我们可以锁定第二个活动。根据“On Monday we travel to London. After staying overnight in London, we travel on Day 2 to northern France to visit the World War Ⅰ battlefields.”可知，星期一是去往伦敦并在伦敦住一夜，第二天也就是星期二到法国北部去参观一战的战场。故选D。‎ ‎6．How long does Potty about Potter last?‎ A．Two days. B．Four days.‎ C．Five days. D．One week.‎ 答案：A　推理判断题。根据题干中的信息“Potty about Potter”定位到最后一种活动来寻找答案。由关键信息“stay overnight in an approved Youth Hostel”可知，将在一家青年旅舍逗留一夜，故可推知这个活动是持续两天。故选A。‎ C 限时6分钟 ‎(2017·全国卷Ⅰ)‎ Pacific Science Center Guide ‎◆Visit Pacific Science Center's Store Don't forget to stop by Pacific Science Center's Store while you are here to pick up a wonderful science activity or souvenir to remember your visit. The store is located (位于) upstairs in Building 3 right next to the Laser Dome.‎ ‎◆Hungry? ‎ Our exhibits will feed your mind, but what about your body? Our café offers a complete menu of lunch and snack options, in addition to seasonal specials. The café is located upstairs in Building 1 and is open daily until one hour before Pacific Science Center closes.‎ ‎◆Rental Information Lockers are available to store any belongings during your visit. The lockers are located in Building 1 near the Information Desk and in Building 3. Pushchairs and wheelchairs are available to rent at the Information Desk and Denny Way entrance. ID required.‎ ‎◆Support Pacific Science Center Since 1962, Pacific Science Center has been inspiring a passion (热情) for discovery and lifelong learning in science, math and technology.Today, Pacific Science Center serves more than 1.3 million people a year and brings inquirybased ‎ - 15 -‎ science education to classrooms and community events all over Washington State. It's an amazing accomplishment and one we cannot achieve without generous support from individuals, corporations, and other social organizations. Visit pacificsciencecenter. org to find various ways you can support Pacific Science Center.‎ 篇章导读：本文是一篇应用文。文章主要介绍了太平洋科学中心旅行指南手册。‎ ‎7．Where can you buy a souvenir at Pacific Science Center?‎ A．In Building 1. ‎ B．In Building 3.‎ C．At the Laser Dome.‎ D．At the Denny Way entrance.‎ 答案：B　细节理解题。根据题干中的buy a souvenir可定位到文章第一部分。在太平洋科学中心商店(Pacific Science Center's Store)可以买纪念品，再根据该部分最后一句“The store is located (位于) upstairs in Building 3 ... ”可知，该商店在三号楼。故选B。‎ ‎8．What does Pacific Science Center do for schools?‎ A．Train science teachers.‎ B．Distribute science books.‎ C．Inspire scientific research.‎ D．Take science to the classroom.‎ 答案：D　细节理解题。根据文章第四部分第二句“Today, Pacific Science Center ... brings inquirybased science education to classrooms ... ”可知，太平洋科学中心把基于探究的科学教育带入课堂。故选D。‎ ‎9．What is the purpose of the last part of the text?‎ A．To encourage donations.‎ B．To advertise coming events.‎ C．To introduce special exhibits.‎ D．To tell about the Center's history.‎ 答案：A　推理判断题。根据文章第四部分尾句“Visit pacificsciencecenter. org to find various ways you can support Pacific Science Center.”可知，该部分的写作目的是鼓励人们以各种方式支持太平洋科学中心，也就是鼓励人们捐款。故选A。‎ D 限时6分钟 ‎(2020·广东省高三六校第一次联考)‎ Returns & Refund Guarantee The “Returns & Refund Guarantee” is a promise provided by sellers for every ‎ - 15 -‎ item they sell on DHgate. com. When you receive an item that was bought and paid for on our site, and you find it is not as described or is of low quality, you can contact the seller to resolve these problems. DHgate will offer additional assistance if the seller is not cooperative.‎ Scope The following points should not be included in the “Returns & Refund Guarantee”：‎ ‎▲The seller didn't make any promise. ‎ ‎▲The seller can provide evidence to prove the items are as described.‎ ‎▲You didn't contact the seller within the promised time.‎ ‎▲You have released the payment to the seller before asking DHgate for help.‎ Sellers are able to set up the following promises：‎ Returning items for any reason Buyers can return items for a refund within a specific date which has been set up by sellers, such as 3 days, and 7 days from the day when the items are received. The items' receiving date is the date that is indicated on the shipping carrier's official website. Buyers should prepay any return shipping cost, which will be given back to the buyers after the seller receives the items as long as the items are returned in the same exact condition as when they were delivered.‎ Returns or Refunds accepted if the product has quality issues Buyers can return the items for a refund when they are not as described or possess quality issues by communicating directly with the seller. The seller is responsible for the return shipping cost.‎ Buyers can get a refund and keep the items when the items are not as described or possess quality issues by negotiating directly with sellers.‎ 篇章导读：本文是一篇应用文。文章介绍了国内DHgate网上交易平台的退货退款保证制度。‎ ‎10．Who can get additional assistance from DHgate in the guarantee?‎ A．The buyers in physical stores.‎ B．The buyers on DHgate. com.‎ C．The sellers on DHgate. com.‎ D．Both the buyers and the sellers.‎ 答案：B　细节理解题。根据题干中的关键词“additional assistance”定位到第一段尾句。依据此句及第一段第一句可知，如果卖方不合作，DHgate将为DHgate.com的顾客(买家)提供额外的协助。故选B。‎ - 15 -‎ ‎11．Which situation is within the scope of the guarantee?‎ A．The seller didn't make any promise.‎ B．The buyer has paid the seller in advance.‎ C．The buyer asked for help within the promised time.‎ D．The seller proves that there is nothing wrong with the item.‎ 答案：C　细节理解题。依据Scope部分中的“You didn't contact the seller within the promised time.”可知，与此情况相反时是在保证范围内的，即买家在承诺期限内求助是可以享受保证服务的，故选C。‎ ‎12．Which of the following is true according to the passage?‎ A．Not all the sellers make promises.‎ B．DHgate sometimes will pay the buyers.‎ C．Sellers should prepay return shipping cost.‎ D．The buyer can't keep the items after getting a refund.‎ 答案：A　推理判断题。根据Scope部分中的第一条“The seller didn't make any promise.”可知，卖方没有做出承诺时不包括在退货退款保证范围内，据此可推知，不是所有卖方都做出承诺，故选A。‎ - 15 -‎