U1 Period 5Using Language & Other Parts-【优化探究】2025-2026学年新教材高中英语选择性必修第二册同步导学案配套PPT课件（人教版）

选择性必修第二册 UNIT 1　SCIENCE　AND　SCIENTISTS Period 5　Using Language & Other Parts—Language Points 内容索引 NEIRONGSUOYIN 课堂检测 素养达标 课时作业 巩固提升 词汇识记 1．framework n．框架；结构 The theory provides a good theoretical framework for the research on developing a vaccine for malaria. 该理论为疟疾疫苗的研究提供了良好的理论框架。 theoretical framework 理论框架 2．solid adj.可靠的；固体的；坚实的 n．固体 What annoyed people was that the suspect finally was set free for lack of solid proof. 让人恼火的是，犯罪嫌疑人最终因缺乏确凿的证据而被释放。 It is widely acknowledged that water exists as a solid，a liquid and a gas. 人们普遍认为，水有固体、液体和气体三种存在形式。 3．cast vt.投射；向……投以(视线、笑容等)；投掷 With tears clouding his eyes，David raised his head slowly and all the classmates cast a comforting smile at him. 泪水模糊了他的双眼，大卫慢慢抬起头，所有同学向他投去安慰的微笑。 cast a (comforting/welcoming/meaningful) look/glance/smile at... 向……投以(安慰的/欢迎的/有意义的)视线/笑容 cast a shadow 笼罩上阴影 4．pour vt.倒出；倾泻；斟(饮料) When people saw the post, various kinds of donation poured in, which touched him greatly. 当人们看到这个帖子时，各种各样的捐赠纷纷涌入，这让他非常感动。 5．concrete n．混凝土 adj.混凝土制的；确实的；具体的 Given that the assistant doesn't offer a concrete and convincing plan，he can't shift the manager's strategy. 由于助手没有提供一个具体且令人信服的方案，所以他无法改变经理的策略。 6．patriotic adj.爱国的 Being a patriotic and outstanding physicist，Qian Xuesen overcame numerous hardships to return to motherland. 作为一名爱国又杰出的物理学家，钱学森克服重重困难回到了祖国。 7．mechanical adj.机械的；发动机的；机器的 The mechanic said that data recorders could detect mechanical faults rapidly，reducing repair times. 机械师说数据记录仪能迅速查明机械故障，减少维修次数。 mechanic n．机械师；机械修理工 8．defend vt.保卫；防守；辩解 The bear approaching, the wife picked up a stone to defend herself from being injured while the husband held a stick tightly in defence of his safety. 熊越来越近了，妻子拿起一块石头保护自己不被伤到，而丈夫紧紧拿着一根棍子保护自己的安全。 defence n．防御；保卫 9．assistant n．助理；助手 assist vt.帮助；协助 assistance n．帮助；协助；援助 (应用文写作之申请信) Firstly，I have the ability to assist you with your teaching.Besides，whenever my classmates are in trouble，I will come to their assistance.Thus，I believe I can be a qualified teaching assistant. 首先，我有能力协助您的教学。此外，每当我的同学有困难的时候，我都会去帮助他们。因此，我相信我能成为一名合格的助教。 10．leadership n．领导；领导地位；领导才能 Under the brilliant leader's leadership，we are leading in exploring electric cars. 在英明领导的带领下，我们在电动汽车探索方面处于领先地位。 leader n．领导 lead v．领路；引领；导致；处于领先地位 11．trace vt.追溯；追踪；查出 n．痕迹；遗迹；踪迹 The book traces the country's history from ancient times to the present day and by reading it，we can discover traces of earlier civilisations. 这本书追溯了这个国家从古到今的历史，通过阅读这本书，我们可以发现早期文明的痕迹。 12．gifted adj.有天赋的；有天才的；天资聪慧的 The brilliant girl is gifted not only in dance but she has a gift for calligraphy. 这个聪明的女孩不仅在舞蹈方面有天赋，而且有书法天赋。 gift n．礼物；天赋；天资 be gifted in/have a gift for在某方面有天赋 13．abstract adj. 抽象的；理论上的 n．(文献等的)摘要 Our physics teacher always uses examples to explain some abstract concepts, which makes it easier for us to understand. 我们的物理老师总是用例子来解释一些抽象的概念，这使得我们更容易理解。 14．steady adj.稳定的；平稳的；稳步的 I am greatly convinced that only by taking steady and effective measures can we promote the sales steadily. 我深信，只有采取稳健有效的措施，我们才能平稳地促进销售。 steadily adv.稳定地；平稳地；稳步地 15．astronomer n．天文学家 He has been interested in astronomy since middle school and his dream is to be an astronomer. 他从中学开始就对天文学很感兴趣，他的梦想是成为一名天文学家。 astronomy n．天文学 16．besides prep. 除……之外(还) adv.而且；此外 except prep.除……之外(从整体中减除部分) except for 除……之外(从整体说明作细节修正) apart from＝besides除了……(还) (应用文写作之个人优势)Besides/Apart from his fluent English，he is good at communicating with others.Besides，he is willing to help others in trouble. 除了流利的英语，他也善于与别人交流。另外，他乐意帮助处于困境中的人。 Nobody in my class won first prize in the Talent Show except Tom.His performance was nearly perfect except for a few faults. 我们班除了汤姆没人在才艺大赛中获得一等奖。除了几个小失误，他的表演几乎完美。 17．furthermore adv.此外；再者 (应用文写作之感谢信)Furthermore，it is your frequent encouragement and positive attitudes towards life that guide me out of low spirits. 此外，是您经常的鼓励和积极的生活态度引导我走出低落的情绪。 18．vivid adj.生动的；鲜明的；丰富的 As a well-known writer, he has a vivid imagination and always describes scenes vividly in his works，attracting many readers. 作为一名著名的作家，他想象力丰富，在他的作品中总是生动形象地描述场景，吸引了许多读者。 vividly adv.生动地 19．break out (战争、打斗等不愉快的事情)突然开始；爆发 The fire that broke out last night caused great damage to the superstore. 昨晚发生的火灾对这家超市造成了巨大的损失。 20．in charge of主管；掌管 Mr.Green，an engineer with over 20 years of experience，will be in charge of the project. 格林先生，一名拥有20多年工作经验的工程师，将负责这个项目。 21．come down with患(病)；染上(小病) He sorrowed at the news that his friend came down with a rare disease, his hands shaking. 听到他的朋友得了一种罕见的疾病，他感到很悲伤，双手颤抖。 22．above all最重要的是；尤其是 (话题写作之环境保护)Above all，we must take an active part in voluntary work concerning environmental protection as much as possible. 最重要的是，我们必须尽可能多地积极参加有关环境保护的志愿工作。 23．have an impact on对……有影响 In my opinion, it is Qian Xuesen who had the greatest impact on China's aerospace science. 在我看来，对中国航天科学影响最大的是钱学森。 24．discourage sb.from doing sth.阻止某人做某事 He is so determined that nothing can discourage him from doing what he desires to do. 他意志坚定，没有什么能阻止他去做他想做的事。 25．take on the challenge接受挑战 Above all，take on the challenge bravely and try to handle whatever difficulties you will come across. 最重要的是，勇敢地接受挑战，尽力解决你将遇到的任何困难。 26．be traced back to追溯到 Believe it or not, this custom can be traced back to over one thousand years ago. 信不信由你，这种习俗可以追溯到一千多年前。 27．be familiar with 对……熟悉 In China, almost everyone is familiar with Li Bai and Du Fu, who are regarded as great successes in literature realm. 在中国，几乎每个人都很熟悉李白和杜甫，他们被认为是文学殿堂里的卓有成就者。 默写练习 Ⅰ.默写重点单词 1．____________ adj.可靠的；固体的；坚实的 n．固体 2．____________ vt.投射；向……投以(视线、笑容等)；投掷 3．____________ n．阴影；影子；背光处 4．____________ vt.倒出；倾泻；斟(饮料) 5．____________ adj.优秀的；杰出的；明显的 6．____________ adj.抽象的；理论上的 n. (文献等的)摘要 solid cast shadow pour outstanding abstract 7．____________ adj.聪颖的；绝妙的；明亮的 8．____________ n．弱点；过错 9．____________ n．改变；转换；轮班 vi.& vt.转移；挪动；转向 10．____________ adj.最初的；开始的；第一的→____________ adv.起初；最初 11．____________ vt.保卫；防守；辩解→_______________ n．防御；保卫 brilliant fault shift initial initially defend defense/defence 12．____________n．助理；助手→____________ vt.帮助；协助→____________ n．帮助；协助；援助 13．____________ n．礼物；天赋；天资→____________ adj.有天赋的，有天才的，天资聪慧的 14．____________ adj.稳定的；平稳的；稳步的→____________ adv.稳定地；持续地 assistant assist assistance gift gifted steady steadily Ⅱ.词形变化填空 1．Ms.Li is a good ____________，whose ____________ benefits us a lot.(assist) 2．What points can be raised in ____________ (defend) of this argument. 3．Under the ____________ (lead) of the excellent employer，we have achieved our aim. assistant assistance defence leadership 4．The Mona Lisa was painted by Leonardo da Vinci, a ____________ (gift) painter in the Renaissance. 5．If you take my advice，I am greatly convinced that you can make progress ____________ (steady). gifted steadily Ⅲ.默写核心短语 1．________________ (战争、打斗等不愉快的事情)突然开始；爆发 2．________________主管；掌管 3．________________患(病)；染上(小病) 4．________________ 最重要的是；尤其是 5．________________ 对……有影响 6．___________________________ 阻止某人做某事 break out in charge of come down with above all have an impact on discourage sb.from doing sth. 7．____________________ 接受挑战 8．_______________________ 在某人的领导下 9．________________ 追溯到 10．________________ 对……熟悉 take on the challenge under one's leadership be traced back to be familiar with Ⅳ.选词填空 从核心短语中选择合适的完成下列句子 1．The friendship between the two countries can ____________________ last century. 2．There is no denying that the Internet ____________________ our lives in many aspects. be traced back to has an impact on 3．It's hard to make a decision who would be the proper person ____________________ the company. 4．The man is so stubborn that nobody can ________________________ what he wants to do. 5．The boy is hard-working, cheerful and ________________ honest，who leaves a deep impression on the interviewers. in charge of discourage him from doing above all 词汇精研 1.break out (战争、打斗等不愉快的事情)突然开始；爆发 [教材原文]　However，after the Songhu Battle broke out in 1932，Qian made the decision to switch his major to aviation because he realised that China needed its own powerful air force to protect and defend the country. 然而，1932年“淞沪会战”爆发后，钱学森决定转专业为航空，因为他意识到中国需要强大的空军来保护和捍卫自己。 [一词多义] (1)My first attempt to make breakfast broke down，but I wasn't cast down.____________ (2)Your health will break down if you don't pay attention to regular exercise.____________ (3)As is often the case，smile is helpful for us to break down barriers.____________ 失败 (身体等)垮掉 消除 [用break短语的正确形式填空] (4)The news that the couple ____________ upset their parents and other relatives. (5)Knowing what to do if a fire ____________ is necessary for all of us. (6)The fierce bear bit the fence，trying to ____________，and I stood there，palms sweating.(读后续写之紧张心理描写) broke up breaks out break in break down出故障；坏掉；失败；(身体等)垮掉；消除 break in插话；破门而入 break into强行闯入；突然开始(唱、笑等) break up打碎；结束；(关系等)破裂 2.defend vt. 保卫；防守；辩解 [教材原文]　However，after the Songhu Battle broke out in 1932，Qian made the decision to switch his major to aviation because he realised that China needed its own powerful air force to protect and defend the country. 然而，1932年“淞沪会战”爆发后，钱学森决定转专业为航空，因为他意识到中国需要强大的空军来保护和捍卫自己。 (1)The Great Wall once served as a good ____________ (defend) against the enemy's attacks. (2)看到这条凶猛的狗走过来，他像箭一样冲过去保护他的儿子。(读后续写之肢体动作描写) ①Seeing the fierce dog approaching, he _______________________ ________________．(defend) ②Seeing the fierce dog approaching, he _______________________ __________________．(defence) defence rushed to defend his son like an arrow rushed in defence of his son like an arrow (3)马克跳下自行车，抓起自行车，用尽全力把它扔向狼来自卫。(读后续写之动作链) Mac jumped off the bike，seized the bike and threw it to the wolf with all his strength ____________________． to defend himself (1)defend...against/from (doing...)保护……免受…… defend oneself自卫 (2)defence n．防御；保卫 in defence (of)保护；为了保卫；(为……)辩护 3.in charge of 主管；掌管；负责 [教材原文]He received a hero's welcome from his homeland and was put in charge of not only developing China's rocket science but also its space and missile programme. 他受到了来自祖国的对待英雄般的欢迎，不仅被任命负责发展中国的火箭科学，还负责中国的航天和导弹计划。 [一词多义] (1)The woman is charged with murdering her husband. ____________ (2)The kind-hearted mechanic helped charge my phone.____________ (3)The brilliant young man was appointed to be in charge of handling the matter.____________ (4)Most people hold the belief that museums should not charge for admission.____________ 指控 (给……)充电 负责 收费 49 (5)这次主题班会将由我负责，这使我倍感荣幸。 ①The theme class meeting ________________________ me, which makes me greatly honoured. ②I ________________________ the theme class meeting, which makes me greatly honoured. ③I ________________________ the theme class meeting, which makes me greatly honoured. will be in the charge of will be in charge of will take charge of charge n．费用；主管，负责；看管 v．收费；要价；指控；充电 in the charge of由……负责(多以物作主语，指某物由某人掌管) take charge of负责/看管(表示动作) free of charge免费 charge (sb.) for sth.为……(向某人)收费/要价 charge sb.with (doing) sth.指控某人(做)某事 4.come down with患(病)；染上(小病) [教材原文]Since he came down with a disease which caused him to lose the use of most of his muscles, his world became one of abstract thought. 自从他得了一种使他大部分肌肉失去功能的疾病后，他的世界就变成了一个抽象的思想世界。 [用come短语的正确形式填空] (1)Learning that you __________________ a severe disease，we are quite concerned about you. (2)The twins ________________ a brilliant idea to make breakfast for their mother to celebrate Mother's Day. (3)A topic on how to live a low-carbon life ________________ at the meeting held in the school hall yesterday. come down with came up with came up (4)谈到英语学习，我有以下实用的建议与你们分享。(应用文之建议信) ____________________________________， I have the following practical suggestions to share with you. When it comes to English learning come across (偶然)遇见，碰见；被理解 come about发生(无被动形式) come up走近；上来；被提及 come up with提出 when it comes to ...当谈到…… 句式剖析 1.“否定词＋比较级”表达最高级含义 [教材原文]Perhaps no other scientist has had a greater impact on China's aerospace science than Qian Xuesen. 也许再没有哪一位科学家比钱学森对中国航天科学的影响更大了。 (1)没有什么能比我克服紧张并在台上发表演讲更能给我成就感的了。 ____________________________________________________ than I overcome nervousness and address a speech on the stage. (2)我相信，没有比我们班长更合格的候选人了。 I am convinced that ____________________________________ than our monitor. Nothing can give me a greater sense of achievement nobody is a more qualified candidate 句中no...had a greater impact on...than...表示“没有……比……对……的影响更大了”。当比较级与not、never、nothing等否定词连用时，表示“再也没有什么比……更……的了”。 2.过去分词(短语)作状语 [教材原文]Born in Shanghai in 1911, Qian attended schools in Beijing and then entered Shanghai Jiao Tong University to study Railway Mechanical Engineering. 钱学森1911年出生于上海，在北京上学，之后进入上海交通大学学习铁道机械工程。 (1) Clearly and thoughtfully ____________ (write)，the book inspires confidence in us students. (2)____________ (seize) by a strong sense of anxiety，I began to panic. (3)受到他的善举的鼓舞，我决定将来帮助更多的人，使我们的世界更美好，更温暖。(读后续写之主体升华句) ______________________________，I determined to help more people in the future to make our world more beautiful and much warmer. written Seized Inspired by his act of kindness (1)及物动词的过去分词(短语)作状语表示被动和完成的动作；不及物动词的过去分词(短语)作状语表示主动和完成的动作； (2)一些形容词化的过去分词作状语时，表示状态，如：frightened，worried等。 课堂检测 素养达标 Ⅰ.单句语法填空 1．I'm sorry to hear that Marry and Bob have broken ___________． 2．The wall was built to defend the road from ____________ (wash) away by the sea. 3．Though he came down ____________ a terrible disease，he still has a positive attitude towards life. up being washed with 4．Seriously ____________ (affect) by human activities，our environment becomes worse and worse. 5．The boss of the grocery store described what had happened ____________ (vivid) to the policeman. affected vividly Ⅱ.完成句子 1．伤心的泪水顺着男孩的脸颊滑落，因为他被指控在考试中作弊。 Tears of sadness rolled down the boy's cheeks，because ________________________________________． 2．被老师当众表扬，他激动得跳上跳下。 _____________________________， he jumped up and down with excitement. he was charged with cheating in the exam Praised by his teacher in public　 3．她们的妈妈伸出双臂搂着她们。她从来没有比现在更高兴和骄傲过了。 Their mother threw her arms around them.She __________________ ________________________． hasn't been more pleased and proud 课时作业 巩固提升 Ⅰ.单词拼写 1．He is a ____________ scientist，determined to find a cure for the deadly disease. 2．As is known to us all，Yuan Longping was an ____________ Chinese scientist in agriculture. 3．A heavy rain suddenly ____________ down；as a result，the sports meeting was canceled. brilliant outstanding poured 4．She is a very ____________ girl for music.She can play the piano very well though she is very young. 5．The setting sun ____________ (投射) an orange glow over the mountains yesterday. 6．Suspected of stealing，he ____________(辩解) himself by offering solid proof yesterday. gifted cast defended 7．I refuse to accept the blame for something that was someone else's ____________ (过错). 8．He gave a ____________(生动的) account of his life as a fighter pilot，which attracted a lot of teenagers. fault vivid Ⅱ.单句语法填空 1．As is expected ，the project will be in ____________ charge of an experienced engineer. 2．They dug caves under the ground to defend themselves ________________ attack. 3．The man who is always finding fault ____________ others tends to be hated by others. the against/from with 4．I have never taken part in a _________________ (meaningful) activity than this one. 5．____________ (devote) to his work on a daily basis，he hardly has time to go on holiday. more meaningful Devoted Ⅲ.完成句子 1．无论我什么时候遇到困难，我都会不遗余力地克服它们。 ____________________________________，I will spare no effort to overcome them. 2．依我看来，没有什么比保持身心健康更重要的了。 As far as I'm concerned，_____________________________________ _______________________________． Whenever I come across difficulties nothing is more important than keeping healthy physically and mentally 3．很高兴得知您对中国画感兴趣，我写信邀请您参加下周日在我们学校举行的展览。(应用文之邀请信) ____________________________________________________， I am writing to invite you to attend the exhibition to be held in our school next Sunday. 4．为了保护自己，我们别无选择，只能用胡椒喷雾来把熊吓走。 ________________________，we have no choice but to use pepper spray to scare the bear away. Delighted to learn that you are interested in Chinese paintings In defence of ourselves Ⅳ.阅读理解 I am thinking today about my new favorite thing.It's an app that my husband told me a few years ago that helps me bypass all the obstacles (障碍) in my way：potholes, heavy traffic, and so on. To be honest, when my husband first told me about it，I didn't pay much attention. I was only going to places I already knew how to get to. Plus, I learned to drive from my father—who never turned to a map.I think I mistakenly absorbed the message that real drivers didn't need a map；you somehow just magically knew where to go.It was only later that I realized that just getting a driver's license didn't mean you knew how to get to places—that was lesson one. Lesson two came when my kids started playing on two different travel teams.The drivers in our household suddenly had the need to head in different directions on the same day. Suddenly my app became very meaningful to me.How did I ever manage to get to strange playing fields hidden somewhere without it? But the crazy thing I have also noticed is how often I just don't listen to it. Why might that be? Do I just prefer the old routes, even if they are actually worse? I see an analogy (类比) to the present moment.There is evidence that some old ideas and some long familiar ideas will send us into a boring unchanging lifestyle.But for some reason we like them better than an unfamiliar new route that might take us into areas we've never heard of, let alone visited. It can be hard to admit we don't know everything.As a person who still drives an 8-year-old stick shift and who has never stood in line for anything new，I certainly understand that. But I also try to remember the times I let go of my ego (自负), or my fear, and learned that life could be better.Not perfect—but better. I am glad I finally listened to my husband about that app.He was right. [语篇解读]　本文是一篇记叙文。作者的丈夫给作者推荐了一款导航应用程序，但作者刚开始不愿意接受新的事物。直到后来认识到仅有驾驶证并不意味着知道怎样到达某地，且作者的孩子参加了两个不同的旅游队伍，作者才意识到应用程序的必要性和好处，于是开始接受这款应用程序。 2 3 1 4 1．What did the author think of the app at the very beginning? A．It was magical. B．It was practically valueless. C．It was powerful. D．It was not as good as a map. 答案：B 细节理解题。根据第二段中的“I didn't pay much attention... I think I mistakenly absorbed the message that real drivers didn't need a map; you somehow just magically knew where to go.”可知，作者起初对这款应用程序没太在意，她觉得自己只会去自己已经知道如何到达的地方，认为真正的司机根本不需要应用程序的帮助，故B项正确。 2 3 1 4 2．What would probably make the author ignore the app's instructions? A．Her desire to explore alone. B．Her doubt about the new device. C．Her preference for the new routes. D．Her refusal to experience changes. 答案：D 2 3 1 4 推理判断题。根据第三段中的“There is evidence that ...we like them better than an unfamiliar new route”可知，一些旧的想法和一些长期熟悉的想法会让我们进入一种无聊的不变的生活方式。但出于某种原因，我们更喜欢它们，而不是一条不熟悉的新路线。由此可以推断，作者之所以忽视应用程序的指令是因为作者拒绝改变，故D项正确。 2 3 1 4 3．What can be inferred about the author from the last paragraph? A．She is willing to challenge herself. B．She cares little about others' comments. C．She recognizes her problems easily. D．She is too inflexible to make any change. 答案：A 2 3 1 4 推理判断题。上文讲到了作者觉得丈夫推荐的导航应用程序几乎没有价值，但根据最后一段中的“let go of my ego ... I am glad I finally listened to my husband about that app.”可推知，作者愿意挑战自己，故A项正确。 2 3 1 4 4．Which of the following can be the best title for the text? A．Real Drivers Know Their Way B．It Pays to Take a New Route C．New Apps Make Life Perfect D．It Matters to Listen to the Inner Voice 答案：B 2 3 1 4 标题归纳题。根据本文内容可知，作者最开始不太在意丈夫推荐的导航应用程序，在孩子们参加了两个不同的旅游队伍需要导航等事后最终接受了这款应用程序，这让作者意识到一个人要学会挑战自己、拥抱改变，这样生活才会变得更好，故B项“走一条新的路线是值得的”适合作本文的标题。 2 3 1 4 Ⅴ.读后续写 I did not know why I had chosen to be here.It felt as though my mind were at home，sitting and watching television，feeling relaxed and having fun，and yet my body was standing here in absolute fear.I looked in the mirror again.My face had been washed clean before applying the heavy make-up.My skin looked deathly white and powdered so that there was no shininess.My eyes looked dark and I was wearing lipstick.I should have been thrilled that I was allowed to wear make-up，but somehow，this didn't feel like a treat. Now I had to wait.How easy it should be to simply wait but this felt like a never-ending suffering.I stared at my white shoes as I stretched my feet，trying to distract myself from the way I felt.This dressing room was not small，but there were lots of girls in here.Mum and Dad were sitting in the audience but I was missing them so much.I wished they had been here with me.They were only on the other side of the stage，but that felt like a world away.The speaker asked for the black swans (天鹅) to get ready and as a sudden rush of girls danced into line and headed off towards the stage，I knew that I would be called next.My hands felt wet and sticky.I did not want to go on stage.I did not want the audience staring at me as I performed. I tried to sit down but it was difficult when you were wearing a tutu (芭蕾舞裙).I wanted to rest my forehead on the mirror，but I knew that I would ruin my make-up and that wouldn't do.The speaker was asking again，“Calling for white swans，will all white swans make their way to the stage？” I shook my arms，and joined the queue of other white swans.I felt really faint now and I wanted to be sick.I looked around in desperation，waiting to catch the eye of someone，anyone，who could get me out and save me. 注意：续写词数应为150左右。 The music started and a girl beside me caught my hand with a comforting smile.____________________________________________ __________________________________________________________ We took off our white clothes，a little tired but excited._________ __________________________________________________________ [参考范文] The music started and a girl beside me caught my hand with a comforting smile. “You've got to dance like there's nobody watching，”she whispered to me.Something magical happened.My legs kicked out，my arms moved gracefully and my body formed different positions as the music flowed...and I jumped，I stretched，I leaped and I forgot that I was on the stage.Eventually the music reached its climax and then died away.With graceful ballet runs，we left the stage and returned to the dressing room.How was it over so quickly? $$