Unit 6 Period 1 Starting out&Understanding ideas（课件PPT）-【学霸笔记·同步精讲】2025-2026学年高中英语选择性必修第一册（外研版）

该高中英语课件围绕“Nurturing nature”主题，涵盖环保相关核心词汇、短语、句型及现在完成进行时语法，以青藏铁路建设案例为导入，串联自然环境、环境问题与保护措施，构建从词汇积累到语篇理解的学习支架。 其亮点在于融合语言能力与文化意识，通过青藏铁路语篇分析环保实践，渗透家国情怀，创意课堂拓展词汇句型提升语言运用，活动设计如结构分析、讨论培养思维品质。助力学生提升综合语言能力与环保认知，为教师提供系统教学资源。

Unit 6 Nurturing nature 1 ［核心单词］ massive delicate splendid leisure radiation mirror-like wander economy disturb operator conservationist candidate applicant favour Advertise genuine salary negotiable Preference qualification 返回导航 2 ［重点短语］ overcome the challenges, among the top concerns, catch one's eye, at one's leisure, bring...to life, highlight the importance of, be made up of， under threat, in favour of ［重点句型］1.“特殊疑问词+to do”结构;2.before引导时间状语从句;3.not...but... ［单元语法］ 现在完成进行时 ［写作任务］ 招聘广告 返回导航 3 ［Natural environment］ glacier n. 冰川 plain n.平原 plateau n.高原 habitat n.栖息地 rainforest n.（热带）雨林 返回导航 4 ［Environmental problems］ flood n.洪水 hurricane n.飓风 landslide n.滑坡 drought n.旱灾 acid rain酸雨 greenhouse effect温室效应 forest fire森林大火 返回导航 5 ［Environmental protection］ achieve sustainable development 实现可持续发展 preserve biodiversity 保护生物多样性 use renewable energy使用可再生能源 advocate a low-carbon lifestyle倡导一种低碳生活方式 reduce our carbon footprints减少我们的碳足迹 raise awareness of environmental protection 提高环保意识 protect endangered species保护濒危物种 prevent overfishing阻止过度捕捞 live in harmony with nature与自然和谐相处 返回导航 6 话题佳句 1.If everyone makes a contribution to protecting the environment， the world will become much more beautiful. 如果人人都为保护环境做出贡献，世界将变得更加美丽。 2.The earth is our home and we have the duty to take care of it for ourselves and for our later generations. 地球是我们的家园，我们有责任为我们自己和我们的后代去照顾好它。 返回导航 7 3.Each person can play a part. Small changes like taking public transport and recycling will make a difference. 每个人都可以发挥作用。像乘坐公共交通工具与回收利用这样小小的改变也会起作用。 返回导航 8 Period 1 Starting out & Understanding ideas 9 1 精读课文 语篇理解 2 自查语基 知能落实 3 创意课堂 点面突破 4 课堂微练 即时检验 10 PART 01 精读课文 语篇理解 11 &1& 〈教材助读+语基默写〉见分册本 What does the passage mainly talk about?( ) A.The Qinghai-Xizang Railway is an impossible railway. B.Workers met many difficulties in the process of building the Qinghai-Xizang Railway. C.The building of the Qinghai-Xizang Railway and the challenges it met. D.The Qinghai-Xizang Railway is the one we should be proud of. √ 返回导航 12 trip concerns passages bridges wetland constructed lower construction proud protected 返回导航 13 1.Why was the “Sky Railway” considered to be impossible?( ) A.Because it was built in a place with too much radiation. B.Because it was extremely difficult to build this railway. C.Because too many bridges had to be built along the railway. D.Because it was not easy to protect the workers. √ 返回导航 14 2.What did the railway workers consider most?( ) A.How to protect the ecosystem along the railway. B.Their own safety while building the railway. C.The great number of bridges along the railway. D.Grasslands and wetlands along the railway. √ 返回导航 15 3.What's the purpose of building the passages under Qingshuihe Bridge?( ) A.To prevent trains from falling into the river. B.To protect wetlands and grasslands. C.To allow the animals to move safely and freely. D.To protect permafrost and grasslands. √ 返回导航 16 4.What can we know about Tanggula Station from this passage?( ) A.It is the biggest station of the whole railway. B.All the railway workers take their breaks here. C.Travellers usually breathe in some oxygen here. D.There exists high levels of UV radiation. √ 返回导航 17 1.Sitting back in my seat, I can't quite believe that I'm about to travel along the railway that many foreign experts claimed was “impossible”.（Para.1） ［分析］ 句中Sitting back in my seat为现在分词短语作__________，主句中的“that I'm about to...‘impossible’”为that引导的______从句，在此从句中“that many foreign...‘impossible’”为that引导的______从句。 ［翻译］ ___________________________________________________ ____________________________________ 伴随状语 宾语 定语 坐在我的座位上，我简直不敢相信自己将要沿着被许多外籍专家声称“不可能”建成的铁路旅行。 返回导航 18 2.To prevent damage to wetlands and grasslands, 675 bridges with a total length of about 160 kilometres were built between Golmud and Lhasa.（Para.4） ［分析］ 本句是一个复杂的简单句。“To prevent...grasslands”为动词不定式短语作__________，“with a total length of about 160 kilometres”为介词短语作______，between Golmud and Lhasa为介词短语作______状语。 ［翻译］ ___________________________________________________ __________________________________ 目的状语 定语 地点 为了防止对湿地和草原的破坏，我们在格尔木和拉萨之间修建了675座桥梁，总长约160千米。 返回导航 19 1._______（sit） back in my seat，I can't quite believe that I'm about to travel along the railway that many foreign experts claimed was “impossible”.The train 2._______________（race） along steadily since it left Xining. I was one of the people 3.________（come） from all parts of China to work on this railway. When we built the great railway，how to protect the delicate ecosystem was among the top 4._________（concern）.The first landmark 5._________（catch） my eye is the splendid Qingshuihe Bridge，6._______ is the world's Sitting has been racing coming concerns to catch which 返回导航 20 longest bridge built over permafrost. Some passages were built to allow the animals to move safely and freely in their 7._______（nature） habitat. There are other bridges built to prevent damage to wetlands and grasslands. To make sure that railway workers stayed healthy，several oxygen-making stations 8.________________（construct）.The railway workers also could enjoy regular breaks in lower areas. Using thousands and thousands of sandbags，we built a long wall along Cuona Lake to protect it 9.______ construction waste. I am proud that we built our “impossible” railway in the world with 10.____ care that the environment deserves. natural were constructed from the 返回导航 1.Were there any other challenges when the construction work of the railway was conducted there? ______________________________________________________________________________________________________________________________________ Yes, there were certainly some other challenges when the work was conducted at the beginning, such as the problems of transportation, water supply. 返回导航 22 2.What benefits do you think the Qinghai-Xizang Railway has brought to the people living along the railway? ____________________________________________________________ ____________________________________________________________________________________________________________________________________________________________________________________ First of all,it is more convenient for people to travel all over the country. What's more, it provides people with more job opportunities and improves their quality of life. In a word, it brings people there a happier life. 返回导航 23 PART 02 自查语基 知能落实 24 Ⅰ.阅读词汇·识记 选出与单词对应的汉语释义 A.湿地 B.高原 C.西藏的 D.永久冻土层 E.羚羊 F.草原 1.permafrost n. 答案：D 返回导航 25 2.Tibetan adj. 答案：C 3.antelope n. 答案：E 4.wetland n. 答案：A 返回导航 26 5.grassland n. 答案：F 6.plateau n. 答案：B 返回导航 Ⅱ.核心词汇·练通 根据语境及汉语提示写出正确的单词 1.a ________ rock 一块巨大的岩石 2.the ________ ecosystem 脆弱的生态系统 3.a _________ building 一座地标建筑 4.a _________ valley 一个壮丽的山谷 5.the __________ surface of the lake 如镜面般的湖面 6.________ around the town 在镇上漫步 7.enjoy the autumn ________ 欣赏秋天的景色 massive delicate landmark splendid mirror-like wander scenery 返回导航 28 Ⅲ.拓展词汇·用活 根据提示写出相应的单词 1.________ adv.稳定地；平稳地→steady adj.稳定的；平稳的 2._______ n.空闲，闲暇→leisurely adj.悠闲的 adv.悠闲地；从容地 3._________ n.辐射→radiate v.辐射→radioactive adj.放射性的；有辐射的 steadily leisure radiation 返回导航 29 Ⅳ.重点短语·再现 根据语境及汉语提示填入合适的短语 1.People of all countries should strive hand in hand to __________________________（克服所有的挑战） to human survival and protect the ecological environment. overcome all the challenges 2.The issue of climate change was ______________________（最重要的事情之一） raised by the participants in the meeting. 3.The beautiful painting ______________（引起她的注意） when she entered the room and she couldn't help but stop to admire it. among the top concerns caught her eye 返回导航 30 4.You can look around the store ______________（空闲时） and take your time to find whatever you need. 5.The actor's performance ________ the character _______（使……更生动） on stage, which impressed upon the audience. at your leisure brought to life 返回导航 31 Ⅴ.重点句型·呈现 根据课文语境及汉语提示补全句子 1.现在分词短语作伴随状语 ______________________（坐在我的座位上）, I can't quite believe that I'm about to travel along the railway that many foreign experts claimed was “impossible”.（Para.1） Sitting back in my seat 2.“特殊疑问词+to do”结构 ___________________________________（如何保护脆弱的生态系统） was among the top concerns.（Para.2） How to protect the delicate ecosystem 返回导航 32 3.动词不定式作后置定语 The first landmark ________________（引起我的注意） is the splendid Qingshuihe Bridge, the world's longest bridge built over permafrost.（Para.3） to catch my eye 4.before引导时间状语从句 The journey has been flying by, and ________________（不知不觉中）, we have reached Tanggula Station.（Para.5） before I know it 返回导航 33 PART 03 创意课堂 点面突破 34 1 overcome the challenges 克服挑战 【经典例句】（教材P<m></m>）Taking years to complete, the Qinghai-Xizang Railway is a record of all of our efforts to overcome the most difficult engineering challenges. 青藏铁路历时数年建成，记录了我们为克服最为艰巨的工程方面的挑战付出的所有努力。 返回导航 35 （1）challenge vt. 向……挑战 n.挑战 challenge sb.to （do） sth.向某人挑战（做）某事 face a/the challenge面对挑战 accept/take up a challenge接受挑战 （2）challenging adj.富有挑战性的 返回导航 36 【单句语法填空/补全句子/完成句子】 （1）（译林必修一U1）I enjoyed most of the classes, but some of them were quite ___________（challenge）. challenging （2）（2023·新高考全国卷Ⅱ）I once __________________________（接受挑战） to create a painting every day for a month and post the works online. accepted/took up a challenge （3）我们面临的挑战很复杂，但学到的教训值得我们付出努力。 _________________________________, but the lessons learned are worth the effort. The challenges we face are complex 返回导航 37 （4）把小事做好有助于增强我们的自信心并帮助我们迎接未来更大的挑战。 Doing small things well contributes to building up our confidence and helping us _____________________ in the future. ［读后续写之主旨升华］ meet bigger challenges 返回导航 38 2 among the top concerns 最重要的事情之一 【经典例句】As we all know, environmental protection is among the top concerns for governments around the world. 众所周知，环境保护是全球各国政府最关心的问题之一。 返回导航 39 （1）concern n. 担心；关爱 v.关于；涉及；使……担心 show concern for...对……表示关心 concern oneself about/for...关心…… （2）concerned adj.关切的；担心的；相关的 be concerned about/for...担心……；忧虑…… be concerned with...和……有关，涉及……；关注……；关心…… as far as...be concerned就……而言 （3）concerning prep.关于，涉及 返回导航 【单句语法填空/同义替换】 （1）You don't have to be concerned ______ getting low grades at the end of the term if you try your best now. about （2）（北师大必修二U4）Instead of having proper conversations with their friends, some people are only concerned _____ their online popularity—How many “likes” did I get? with （3）（2024·浙江卷1月）Due to the lack of scientific proof ___________（concern） their impacts, no one has succeeded in winning a lawsuit against cloud-seeding companies. concerning 返回导航 41 （4）In my opinion, students should do more listening and speaking so that they can develop their communication skills. →________________________, students should do more listening and speaking so that they can develop their communication skills. ［应用文写作之建议信］ As far as I am concerned 返回导航 42 3 catch one's eye 引起某人的注意 【经典例句】（教材P<m></m>）The first landmark to catch my eye is the splendid Qingshuihe Bridge, the world's longest bridge built over permafrost. 首先映入我眼帘的地标是壮观的清水河特大桥，它是世界上最长的高原冻土铁路桥。 返回导航 43 keep an eye out/open （for）密切注意；提防；警觉 keep an eye on照看；留意;密切关注 have an eye for...对……有鉴赏力 look sb. in the eye（s）直视/正视某人 fix one's eyes on注视，盯着看 shut/close one's eyes to...对……视而不见 in sb.'s eyes在某人看来 返回导航 44 【单句语法填空/补全句子/完成句子】 （1）（译林必修三U3）With eyes no longer ______（fix） on our phones, we had a chance to really enjoy each other's company. fixed （2）John often shuts his eyes ___ his own shortcomings, failing to recognize the mistakes he makes and blaming others for any problems that arise. to （3）When you are shaking hands with someone, it's polite _______________________（直视他们）and give them a firm grip, showing respect and sincerity.［应用文写作之建议信］ to look them in the eye 返回导航 45 （4）我偷偷地从床上爬起来，蹑手蹑脚地走出屋子，试图不引起妈妈的注意，但失败了。 I sneaked out of my bed and tiptoed out of the house， _________________________________， but in vain.［读后续写之动作描写］ trying not to catch my mother's eye 返回导航 46 4 wander v.漫步,漫游,游荡；徘徊；流浪； 走神；胡思乱想 【经典例句】 ①（教材P<m></m>）Water birds playing in the lake, and cattle and sheep wandering the grasslands bring the scenery to life. 水禽在湖里嬉戏，牛羊在草原上漫步，这让此处的风景充满生机。 返回导航 47 ②（译林选必一U3）As I wandered through the Impressionist gallery, I appreciated masterpieces like The Ballet Class and The Card Players. 当我在印象派画廊漫步时，我欣赏了《舞蹈课》和《玩纸牌者》等杰作。 wander around/about 闲逛;漫游;漫步;流浪 wander over the world周游世界 返回导航 48 【单句语法填空/完成句子】 （1）The lost child was last spotted __________（wander） near the riverbank with a bag on his back. wandering （2）He wandered ____________ the Great Pyramid—one of the Seven Wonders of the World, __________（wonder） how it came into being. around/about wondering 返回导航 49 （3）戴维正独自在街上闲逛，这时有人拍了拍他的肩膀，当他转过身时，看见他的老朋友正对着他笑。 David _______________________________ when someone patted him on the shoulder, and when he turned around, he saw his old friend smiling at him.［读后续写之动作描写］ was wandering in the street alone 返回导航 wander的形似词是wonder，意为“感到诧异、想知道”。 返回导航 5 bring...to life 使……更生动；使……苏醒过来 【经典例句】Finding actors who can really take your characters and bring them to life is very rare. 找到真正能让你的角色栩栩如生的演员是非常难得的。 返回导航 52 bring ...back to life使……复活；使……恢复生机 come to life苏醒过来；活跃起来；变得 生动有趣 save one's life拯救某人的生命 give life to...赋予……生命/活力 lose one's life失去生命 risk one's life冒着生命危险 full of life充满活力；充满生机 live/lead a...life过着……的生活 返回导航 【补全句子/完成句子】 （1）It was a Frenchman, Pierre de Coubertin, who _______________________________（使奥运会重现生机）. brought the Olympics back to life （2）When the boy finally ____________（苏醒过来）, we all breathed a sigh of relief and thanked the doctors for their efforts. ［读后续写之情感描写］ came to life 返回导航 54 （3）生活总是充满艰辛。为了过上更好的生活，我们需要正能量来克服目前面临的挑战和困难。 Life is always full of hardships. _______________________, we need positive energy to overcome the challenges and difficulties we currently face.［读后续写之主旨升华］ To live/lead a better life 返回导航 55 6 “特殊疑问词+to do”结构 【经典例句】（教材P<m></m>）How to protect the delicate ecosystem was among the top concerns. 如何保护脆弱的生态系统是最重要的事情之一。 返回导航 56 句中“How to protect the delicate ecosystem”为“特殊疑问词+to do”结构，在句中作主语。 （1）常见的特殊疑问词：疑问代词who、what（无选择范围）、which（有选择范围）等和疑问副词how、when、where等； （2）语法功能：在句中可以作主语、宾语、表语、同位语等。作主语时，谓语动词常用单数形式； （3）该结构中动词不定式常用主动形式。 返回导航 【单句语法填空/完成句子】 （1）At first, I didn't know ______ to expect from the trip or how much time I might spend on it. But after some planning, I have a better sense of how long the trip will be. what （2）Here are some tips on how ________（meet） people and make friends at a new school, hoping to help you feel more comfortable in your new environment. ［应用文写作之建议信］ to meet 返回导航 58 （3）我真的不知道该不该接受她的邀请。这对我来说是个艰难的决定，所以我想请你给我一些建议，告诉我该怎么做。 I really have no idea ___________________________________. It's a difficult decision for me to make, so I want you to __________________________________. ［应用文写作之求助信］ whether to accept her invitation or not give me some advice on what to do 返回导航 59 7 before引导时间状语从句 【经典例句】（教材P<m></m>）The journey has been flying by, and before I know it, we have reached Tanggula Station. （火车）一路疾驰，不知不觉中，我们已经到达唐古拉站。 返回导航 60 （1）before作连词引导时间状语从句时，意为“在……之前；……之后才……；不多久就……”。 （2）before构成的句型主要有： It was/will be+时间段+before...多长时间后就/才…… It wasn't/won't be+时间段+before...不久就/才…… It was not long before+从句不久就…… It will not be long before+从句 不久就会…… （主句用一般将来时，从句用一般现在时） 返回导航 【单句语法填空/完成句子】 （1）（2024·新高考全国卷Ⅰ）In the race to document the species on Earth _______ they go extinct, researchers and citizen scientists have collected billions of records. before 返回导航 62 （2）没过多久简就意识到她在陌生的森林里迷路了，这使她如坐针毡。但是她不断地安慰自己，“用不了多久，我的朋友就会找到我。” ____________________ Jane sensed that she got lost in the unfamiliar forest, which made her feel like sitting on pins and needles. But she constantly comforted herself， “______________________ my friend finds me.”［读后续写之心理描写］ It wasn't long before It won't be long before 返回导航 （3）时光飞逝！一个星期后你就要回到你自己的国家了。我希望你能记住我们共同度过的美好时光以及建立的友谊。 How time flies！______________________________________ your own country. I hope you will remember the good times we have shared and the friendship we have established. It will be a week before you go back to 返回导航 64 PART 04 课堂微练 即时检验 65 Ⅰ.品句填词 1.（2023·新高考全国卷Ⅰ）You will then add back a small number of carefully chosen online activities that you believe will provide ________（大量的） benefits to the things you value. massive 2.Next week we will w______ in the traditional small towns and end our tour with an exceptional museum in Shanghai. 3.Plan some l_______ time for yourself. Summer holidays can be a time to relax from the pressure of school. ander eisure 返回导航 66 4.The architecture of the town centre is a successful combination of the old and the new, and it looks _________（壮丽的）. splendid 5.We drove through the beautiful countryside s_______ on our way to the beach, enjoying the rolling hills, green fields, and charming farmhouses. cenery 6.Global warming and pollution are threatening the ________（脆弱的） balance of life on Earth, and urgent action is needed to address these issues and protect our planet's future. delicate 返回导航 67 Ⅱ.词块运用 1.With determination and hard work, ___________________________ _________（我们将克服所有的挑战） that stand in our way and achieve our goals. we will overcome all the challenges 2.As we all know, these issues are _____________________________ ___________（公共卫生领域最重要的事情之一） in every region of the world. among the top concerns for public health 3.The tour group always gives us a couple of free hours so we can ______________________________（在悠闲时探索每座城市）. explore each city at their leisure 返回导航 68 4.As soon as I entered the park, the large-scale ice and snow sculptures ____________________________（成功引起了我的注意）. 5.Thanks to our humorous teacher, who is experienced in teaching, the originally boring classes __________________（变得生动有趣）. succeeded in catching my eye are brought to life 返回导航 69 Ⅲ.根据汉语提示并使用本部分句式结构完成下面的小短文 1._______________________________________（得知正在招聘兼职工作人员；现在分词短语作状语） in the botanical garden, I am writing to apply for the job.2.__________________________________（我大学毕业之前；before引导时间状语从句）, I have been an enthusiastic environmentalist, hoping to find a job related to biology. With my rich biology knowledge, I know exactly 3.______________________________（如何保护这些珍稀物种; Knowing that part-time workers are wanted Before I graduate from the university how to protect these rare species 返回导航 70 特殊疑问词+to do） in the park. Besides, having made some plans to carry out my work, I aim to help people know more about plants. All in all, I am confident that I will be most qualified for the job. 返回导航 $