选择性必修第四册 Unit 3 SEA EXPLORATION（word学生用书）-【高考快车道】2027年高考英语大一轮总复习（人教版）

该高中英语高考复习学案系统覆盖语法填空、核心词汇、短语搭配及写作模块，以郑和下西洋语篇为情境载体，按“语篇情境—考点解析—应用拓展”层级组织考点，通过语篇填空和词汇变式练习引导学生自主梳理词法、句法及语篇知识网络，体现考点梳理的系统性和层次性。 亮点在于诊断性自测与个性化学习路径结合，开篇设置语法填空及词汇单句诊断题，学生根据错题定位薄弱点，匹配“基础巩固—综合应用—写作输出”任务链，培养语言能力和学习能力。每个词汇模块配有“考点多维练+写作步步升”，助力学生自主诊断提升，教师可通过练习反馈精准指导，实现因材施教。

Unit 3　SEA EXPLORATION ● 语篇词汇串记 1.politics 　2.possession 　3.to behold 　4.to negotiate 5.arrested 　6.of 　7.coverage 　8.was extended 9.withdrew 　10.opponents ● 考点互动探究 单词点睛 ❶ ①extension　②has been extended 　③Extending　④extend the date for submitting entries of/extend the submission date for entries of the competition to　⑤extended a helping hand to ❷ ①from　②withdrawal　③was withdrawn　④withdraw from the English speech contest 　⑤when he withdrew his hand ❸ ①mixture 　②mixed　③with/and　④a mixture of excitement and nervousness/excitement, mixed with nervousness ❹ ①merciful　②to 　③at　④be at the mercy of anger; showing mercy to others　⑤a wave of mercy washed over her/a wave of mercy surged through her heart/a wave of mercy welled up in her heart ❺ ①in　②possession 　③possessed　④possess relevant experience　⑤was in possession of/possessed/took possession of; was in the possession of 短语储存 ● ①reaching out　②reached out for　③out of the reach ④within her reach　⑤reached out for her father’s wrinkled face 句型透视 ● ①Walking　②Being exposed　③crying　④working out with your classmates regularly　⑤It is no good/use/It is useless blaming others for our failure ● 当堂过关检测 Ⅰ.1.migration　2.beholding　3.manned 　4.coverage　5.mixture 　6.professional　7.applause 　8.directories 9.exploitation 　10.negotiation 　11.withdrawal 　12.has logged　13.has been channel(l)ed　14.were arrested　15.Extending Ⅱ.1.set sail　2.withdrew from 　3.in hand 　4.under the command of 　5.in a league of his own 　6.reach out to 7.for the benefit of 　8.From a cultural point of view Ⅲ.1.Seeing the children entering the hall with flowers in their hands 2.There was no time left to prepare a proper meal 3.making it the most popular sport in the world 4.so that they can understand each other better ● 语言素养提升 Ⅰ.1.topped　2.trapped　3.has undergone　4.understood 5.undertook　6.undertaken Ⅱ.1.明细　2.结果　3.垮台,衰败　4.本科生　5.逛公园的人　6.障碍 Ⅲ.1.①架子　②售卖亭,摊位　③容忍,忍受　④承受得起,经受得起 2.主演;担任主角 3.①气冲冲地疾走　②暴风雨般的声音 4.①科目,学科　②实验对象　③主题　④取决于;视……而定 ⑤可能面临 5.①裁缝　②定制 ● 写作素养提升 Part Ⅰ　应用文写作 1.raise our awareness of protecting the ocean　2.Not only does the ocean offer us sufficient food　3.it is vital for us to protect the ocean　4.what we can do　5.actively promote ocean conservation　6.encouraging more people to join the cause 7.It is high time that we protected/should protect the ocean Part Ⅱ　读后续写 34.读后续写主题升华句(一)——助人为乐 【跟踪演练】 Ⅰ.1.make a difference to　2.helping others is an important virtue　3.offer a helping hand to　4.how meaningful/significant it was to help others　5.lies in giving help to others　6.did I realize that it was kindness and love that Ⅱ.1.a simple act could make the world so much better 2.giving is the source of happiness　3.make a huge difference 学科网（北京）股份有限公司 $ 　　Zheng He (1371—1433) was a remarkable Chinese maritime explorer during the Ming Dynasty. Serving as a high-ranking court official, Zheng He showed no interest in 1.　　　　　　 (political) but had a strong passion for exploration. Impressed with the courage that Zheng He was in 2.　　　　　　 (possess) of, the emperor ordered him to make voyages to the Western Seas to strengthen national security and promote trade.   In 1405, on behalf of the royal court, Zheng He led large fleets to set sail. These fleets were a sight 3.　　　　　　 (behold) and were in a league of their own at that time. With silk, gold and spices in hand, the merchants on the fleets seized the opportunities 4.　　　　　　 (negotiate) trade deals with the countries they landed in. To keep the sea trading route safe, Zheng He showed no mercy to the pirates and had them 5.　　　　　　 (arrest) or punished. Meanwhile, he kept a log 6.　　　　　　 his observations of the underwater species he saw like coral.   Within 28 years, he made seven voyages with a 7.　　　　　　 (cover) of over 30 countries. The Maritime Silk Road 8.　　　　　　　　　 (extend) greatly. The trading channels remained active for many years until China 9.　　　　　　 (withdraw) from expeditions. Bonds between China and the rest of the world were strengthened. His achievements were applauded across the country, including his political 10.　　　　　 (opponent) and his tales will be remembered forever.   ❶ extend　v.扩展;使伸长;延长;提供,给予 (1)extend to/into…　扩大或延长到…… extend by… 延长了…… (2)extend sth to sb 提供/给予某人某物 extend a warm welcome to 　　　　　　　　　对……表示热烈欢迎 extend a helping hand to 向……伸出援助之手 extend one’s gratitude to sb 向某人表示感激 (3)extension n. 　　　延伸;扩大;延期 (4)extensive adj. 广阔的;大量的;广泛的 [考点多维练]——单句填空 ①The 　　　　　　(extend) of the deadline allowed students more time to complete their assignments without rushing.   ②Due to weather conditions, the school sports meet 　　　　　　　　　(extend)to next Friday, October 20th. Please adjust your schedule accordingly.  ③[上外选必四] 　　　　　　 (extend) around 1,800km, the Grand Canal links six provinces and cities, and connects five river systems.   [写作步步升]——完成句子 ④Due to numerous requests, we have decided to 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　July 15th.(应用文写作之通知)  应众多请求,我们决定将提交比赛作品的日期延长至7月15日。 ⑤[2022·浙江6月考读后续写] Not only did I clear my previous prejudice against those who seemed to be dangerous and unfriendly, but also I 　　　　　　　　　　　　　　　those who wanted food.   我不仅消除了之前对那些看似危险和不友好的人的偏见,而且还向那些需要食物的人伸出了援助之手。 ❷ withdraw 　vi. & vt. (withdrew, withdrawn) (使)撤回;撤离;(使)退出(活动、组织等) (1)withdraw from sth　从……撤离/退出 withdraw money (from…) (从……)取款 (2)withdrawal n. 提款,取钱;收回; 退出 [考点多维练]——单句填空 ①They withdrew 100 dollars 　　　　　　a bank account after checking out of their hotel.   ②His sudden 　　　　　　(withdraw) from the competition surprised everyone, as he was a strong competitor.   ③The drug 　　　　　　　　(withdraw) from sale after a number of people suffered serious side effects.   [写作步步升]——完成句子 ④I am writing to formally request permission to 　　　　　　　　　　　　　　　　　　to be held next week, for I have had a bad cold, coughing day and night. (应用文写作之道歉信)   我写信是为了正式申请准予退出下周举行的英语演讲比赛,因为我得了重感冒,日夜咳嗽。 ⑤He was about to comfort her 　　　　　　　　　　　　　　　　, as if scared that his touch would not be welcome.(读后续写之动作与心理描写)  他正要安慰她,却把手缩了回来,仿佛害怕他的触碰不受欢迎。 ❸ mixture　n.混合;结合体;混合物 (1)a mixture/mix of…　……的混合物 (2)mix v. 混合,融合 mix…with/and… 把……与……混合起来 (3)mixed adj. 混合的;混杂的 [考点多维练]——单句填空 ①[译林选修二] As a result, we often do a quick search online and reach for medicines such as cough 　　　　　　(mix) and headache tablets without a second thought.   ②[沪教选必二] A constant, cold rain was falling, 　　　　　　(mix) with snow.  ③The architect’s genius lies in his ability to mix traditional design elements 　　　　　　modern aesthetics, thereby creating a unique and timeless style.  [写作步步升]——完成句子 ④As he stood on the stage, facing the large audience, 　　　　　　　　　　　　　　　　　　　　　　　　　　welled up in him. (读后续写之情感描写)   当他站在舞台上,面对着众多观众时,他内心涌起一种兴奋与紧张交织的情绪。 ❹ mercy　n.仁慈;宽恕;恩惠 (1)show mercy to sb 怜悯某人 have mercy on 对……表示怜悯 at the mercy of 任凭……摆布; 在……的支配中 without mercy 残忍地,毫无同情心地 (2)merciful adj. 仁慈的 be merciful to/towards 对……仁慈 [考点多维练]——单句填空 ①Nicholas was very kind, 　　　　　　(mercy) and generous, highly thought of by all the teachers and classmates.   ②Everyone showed mercy 　　　　　　the children living in such a terrible environment.   ③Having lost the engine power, the boat’s crew found themselves 　　　　　　the mercy of the wind.   [写作步步升]——完成句子 ④When dealing with campus conflicts, we should never 　　　　　　　　　　　　. Instead, 　　　　　　　　　　　　often resolves problems peacefully.(应用文写作之建议信)  在处理校园冲突时,我们绝不能任由愤怒摆布。相反,对他人怀有宽容之心往往能和平地解决问题。 ⑤When Sarah saw her rival collapse in tears, 　　　　　　　　　　　　　　　　　　　　　　　. She stepped forward and offered a comforting hug to her.(读后续写之动作与心理描写)  当莎拉看到对手泪流满面、崩溃大哭时,她心中涌起一阵怜悯之情。她走上前去,给了对方一个安慰的拥抱。 ❺ possession　n.(常用复数)个人财产;拥有;控制 (1)take possession of　　　拥有;占有 in possession of sth 占有/拥有某物 in the possession of sb(=in sb’s possession) 为某人所有 (2)possess vt. 拥有;具有;支配(不用于进行时) (3)possessed adj. 　　　拥有的;占有的 be possessed of 具有某种品质 (或特征) [考点多维练]——单句填空 ①[2020·全国卷Ⅰ] All customers travelling on TransLink services must be 　　　　　　possession of a valid ticket before boarding.   ②[译林选修二] Remember, our body is our most priceless 　　　　　　(possess).  ③Although she is a newcomer, she is 　　　(possess) of great self-confidence in her present job.   [写作步步升]——完成句子/一句多译 ④Having participated in community service many times, I 　　　　　　　　　　　　　in organizing activities and caring for the elderly.(应用文写作之申请信)  由于多次参与社区服务,我具备组织活动和关爱老人的相关经验。 ⑤这位艺术收藏家拥有一幅著名大师的罕见画作,这让艺术界的许多人都很羡慕。 →The art collector 　　　　　　　　　　　　　　a rare painting by a famous master, which was the envy of many in the art world.   →A rare painting by a famous master 　　　　　　　　　　　　the art collector, which was the envy of many in the art world.   ● reach out　伸出;伸手(拿……) (1)reach out to sb 向某人伸出援手;联系某人;接触某人 reach out for 设法获得;急切寻求;伸手去拿;伸手去够 (2)within one’s reach 够得着,触手可及 out of one’s reach (=out of the reach of sb) 够不着,力所不能及之处 [考点多维练]——短语填空 ①In today’s digital world, 　　　　　　to sb is as simple as sending a text.   ②Standing on her tiptoes, she 　　　　　　the old photo album on the top shelf.   ③Make sure that you keep all dangerous substances 　　　　　　　　　of the children.   ④She’s grown tall enough, so the door handle is 　　　　　　　　　　　now.   [写作步步升]——完成句子 ⑤As the train slowly pulled away, she 　　　　　　　　　　　　　　　　through the window, but the cold glass separated them forever.(读后续写之场景描写)  火车缓缓开动,她隔着车窗伸手想要触碰父亲那张布满皱纹的脸,但冰冷的玻璃将他们永远隔开。 ● (教材P32)Understanding more about the sea will also help us manage its resources better. 更多地了解海洋也将帮助我们更好地管理它的资源。 动名词(短语)作主语 句型公式　 【句式点拨】 understanding more about the sea是动名词短语作主语。动名词(短语)作主语往往表示经常性、习惯性的动作,谓语动词通常用单数形式。 [温馨提示] 动名词作主语的几种句型: (1)用it作形式主语,多见于某些形容词及名词短语之前。 It is useless/no good/use/…v.-ing sth.(……是没用的。) (2)用于“There be no+v.-ing…”结构中。 There is no knowing/telling/arguing…(没法知道/判断/争辩……) There is/was no denying that…(不可否认……) (3)用于布告形式的省略结构中,如: No smoking. (=No smoking is allowed here.) (禁止吸烟。) No parking. (禁止停车。) [考点多维练]——单句填空 ①[2024·新课标Ⅱ卷] 　　　　　　 (walk) at night-time is a great way to step out of your comfort zone.   ②　　　　　　 (expose) to loud music too much has caused hearing loss in some teenagers.   ③As the saying goes—it’s no use 　　　　　(cry) over spilt milk.   [写作步步升]——完成句子 ④More importantly, 　　　　　　　　　　　　　　　　　　also relieves your stress, because sports can help you have a sound sleep at night. (应用文写作之建议信)   更重要的是,经常和你的同学一起锻炼也可以减轻你的压力,因为运动可以帮助你在晚上睡个好觉。 ⑤　　　　　　　　　　　　　　　　　　. On the contrary, we should take responsibility and learn from our mistakes.(应用文写作之建议信)  把我们的失败归咎于他人是没有用的。相反,我们应该承担责任并从错误中吸取教训。 ●Ⅰ 单句填空 1.Every year in the late summer, monarch butterflies begin their 　　　　　　(migrate) to the south.   2.The boy used to lie on the grass on the hillside after a day’s work, 　　　　　　(behold) the night sky.   3.[北师必修二] China’s first 　　　　　　(man) spaceship lifted off on 15 October, 2003. The spaceship, called Shenzhou Ⅴ, was carrying China’s first astronaut, Yang Liwei.   4.[2021·北京卷] UNESCO will provide limited insurance 　　　　　　(cover) up to USD 30,000 for the internship period.   5.This creation attracted a lot of attention thanks to its 　　　　　　(mix) of modern and traditional Chinese elements.   6.[译林选修二改编] When it comes to our own health, we should seek 　　　　　　(profession) medical advice at the first sign of trouble.  7.The scientist was greeted with respectful 　　　　　　(applaud) when she finished her presentation on the latest research findings.   8.I’ve displayed a few of the most important files and 　　　　　　(directory) in the code.   9.The 　　　　　　(exploit) of natural resources in this area has not only led to significant economic growth but also raised concerns about environmental protection.   10.The 　　　　　　(negotiate) between the two companies took several weeks, but they finally reached an agreement that satisfied both parties.   11.The 　　　　　　(withdraw) of troops from the conflict zone was seen as a positive step towards peace.   12.She 　　　　　　(log) over 50 hours of study time in the online system since last week for her final exam.   13.Up to now, a lot of money 　　　　　　　　　　　　(channel) into research in that particular field.   14.As usual, the cake shop was already in its rush. Hundreds of people 　　　　　　(arrest) by the inviting smell, lining up to buy.   15.[外研选必四] 　　　　　　 (extend) south from parts of what we now know as Mexico into Central America, Maya civilisation has been surrounded by mystery since its rediscovery in the 19th century.   ●Ⅱ 短语检测 1.After months of preparation, the research team is ready to 　　　　　　(起航) on their expedition to the Arctic.  2.After she was back home, Nancy 　　　　　　(从……退出) community life, choosing to spend her time alone.   3.The Olympic organizers say that matters are well 　　　　　　(在掌握中).   4.The ship, which is 　　　　　　　　　　　　(在……指挥下) Captain Blake, looks fairly splendid.   5.Most of the applicants were quite strong; they all seemed to have some good qualities, but Charlie Brown was 　　　　　　　　　　　　(独领风骚).   6.People who 　　　　　　(向……伸出援手) strangers feel a significantly greater sense of belonging, a bond with others.   7.There is no doubt that being honest is 　　　　　　　　　(为了……的利益) the country and the individual.   8.　　　　　　　　　　　　　　　　 (从文化的角度来看), traditional festivals play a vital role in preserving the heritage and identity of a community.   ●Ⅲ 句型写作 1.　　　　　　　　　　　　　　　　　　　　　　　　　　　　, we all stood up. (with+宾语+介词短语) (读后续写之场景描写)  看到孩子们手拿鲜花走进大厅,我们全都站了起来。 2.　　　　　　　　　　　　　　　　　　, so we just ordered some takeout.(There be+名词+left+to do…) (读后续写之家庭生活)  没有时间准备一顿像样的饭菜,所以我们就叫了一些外卖。 3.European football is played in 80 countries, 　　　　　　　　　　　　　　　　　　. (分词作结果状语) (应用文写作之体育运动)  有80个国家踢欧式足球,这使得它成为世界上最流行的体育运动。 4.Parents and children should communicate more to narrow the generation gap between them 　　　　　　　　　　　　　　　　　.(so that) (应用文写作之建议信)   父母和孩子应该多沟通,以缩小他们之间的代沟,这样他们才能更好地相互理解。 ●Ⅰ 动词变形练 1.The children laughed as they 　　　　　　(top) the snowman with a bright red scarf and a black top hat.  2.To our relief, the residents 　　　　　　(trap) in the burning building were finally rescued.  3.Over the past decade, the city 　　　　　(undergo) significant changes in its public services.  4.They learn foreign languages in order to understand the people from other countries and make themselves 　　　　　　(understand).  5.Dr Johnson 　　　　　　(undertake) the task of writing a comprehensive English reference book last year.  6.It is one of the largest dam projects ever 　　　　　　(undertake).  ●Ⅱ 构词法规则 构词法 合成名词:由两个或两个以上的单词形成一个新的名词,用以表达一个更具体或更复合的概念 指出下列黑体词的含义 1.[2025·全国一卷] Here’s the breakdown of the emissions in 2018 for different modes of transport. 　　　　　  2.[2025·北京卷] Usually, better outcomes are achieved through a thorough understanding of strategies like risk tolerance. 　　　　　  3.[2024·新课标Ⅱ卷] Such structured thinking, followed by global regulation, will enable us to achieve greatness rather than our downfall. 　　　　　  4.[2024·全国甲卷] It was my junior year of undergraduate, and I was doing an independent study on Victorian literature. 　　　　　  5.[2023·新高考全国Ⅱ卷] They surveyed several hundred park-goers, asking them to submit a written summary online of a meaningful interaction they had with nature in the park. 　　　　　  6.[2023·新高考全国Ⅱ卷] You’ll hit roadblocks, and you’ll feel discouraged at times. 　　　　　  ●Ⅲ 熟词生义练 指出下列黑体词在句中的不同含义 1.stand ①[2021·新高考全国Ⅰ卷] I was turning the page to get ready for the next page, but the draft wind from the turn caused the spare pages to fall off the stand. 　　　　　  ②The old man made his living by running a newspaper stand outside the American Express office. 　　　　　  ③I can’t stand people interrupting all the time. 　　　　　  ④Our tent won’t stand another storm like the last one. 　　　　　  2.star She has turned down several invitations to star in shows in order to concentrate on her studies. 　　　　　  3.storm ①[2021·北京卷] Fighting, however, usually involves personal attacks, raising of voices, and storming out. 　　　　　  ②A storm of applause followed his speech. 　　　　　  4.subject ①The students will be examined in all subjects at the end of term. 　　　　　  ②The subjects in the study were asked to complete a series of memory tests. 　　　　  ③[2020·全国卷Ⅰ] The connection between people and plants has long been the subject of scientific research. 　　　　　  ④[2022·新高考全国Ⅱ卷] We offer scholarships to low-income schools and youth organizations, subject to availability. 　　　　　　   ⑤Borrowed items are subject to recall by the lending library. 　　　　　  5.tailor ①She visited the tailor to have her dress altered, ensuring a perfect fit for the upcoming special occasion. 　　　　　  ②[2025·浙江1月考] Your audience will naturally be more interested and engaged when you tailor your communications to their interests. 　　　　　  Part Ⅰ　应用文写作 　　[2022·全国甲卷] 你校将以六月八日世界海洋日为主题,举办英语征文比赛。请你写一篇短文投稿,内容包括: 1.海洋的重要性; 2.保护海洋的倡议。 Our oceans, our responsibility June 8th was officially named by the UN in 2009 as World Oceans Day. It was set up to 1.　　　　　　　　　　　　　　　　　　(提高我们保护海洋的意识).  As we all know, the ocean plays an important role in our life. 2.　　　　　　　　　　　　　　　　　　　　　 (海洋不仅提供给我们足够的食物)[倒装句], but also it maintains the balance of nature. So, 3.　　　　　　　　　　　　　　　　　　　 (对我们来说保护海洋是极其重要的). First, 4.　　　　　　　　　　　 (我们能做的) is regulate our daily actions. For example, garbage can’t be thrown into the ocean. Additionally, we can 5.　　　　　　　　　　　　　　　 (积极促进海洋保护) by handing out leaflets and 6.　　　　　　　　　　　　　　　　　(鼓励更多的人加入这个事业).  7.　　　　　　　　　　　　　　　　　　　　　 (该是我们保护海洋的时候了). Protecting the ocean is protecting ourselves.  Part Ⅱ　读后续写 34.读后续写主题升华句(一)——助人为乐 【语言素材】 助人为乐的 helpful 帮某人忙 do sb a favour 有意义的 meaningful/significant 对……伸出援手 offer a helping hand to 美德,优秀品质 virtue 有助于,促成,捐献 contribute to 善良 kindness 变得越来越好 become better and better 奉献 devotion 对……产生影响 make a difference to 【跟踪演练】 ●Ⅰ 单句表达 1.Everyone can　　　　　　　　　　　the world.   每个人都可以对这个世界产生影响。 2.It was the special experience that made me realize that 　.   正是这次特别的经历使我明白了帮助别人是一种重要的美德。 3.She made up her mind that she would 　　　　　　　　　　　　　those in need in the future.   她下定决心,未来她会对那些需要帮助的人伸出援手。 4.Only then did he clearly realize 　　　　　　　　　　　　　　　　　　　　　.   直到那时候,他才清楚意识到帮助别人是多么有意义。 5.As the saying goes, happiness 　　　　　　　　　　　　　　　　　.   俗话说,快乐源于向他人施以援手。 6.Only then 　　　　　　　　　　　　　made our world so warm and beautiful.   直到那时候,我才意识到,正是善意和爱让我们的世界如此温暖美丽。 ●Ⅱ 语段表达(助人为乐) 　　It dawned on me that a moment of kindness could mean so much to another, and that 1.　　　　　　　　　　　　　　 (一个简单的举动可以使世界变得更加美好). Whether rich or poor, we should be happy to do something for society. Thus we can learn that 2.　　　　　　　　　　　　　　　　 (给予是幸福的源泉). Sometimes, a small act of kindness may be powerful enough to 3.　　　　　　　　　　　(有巨大的影响).   学科网（北京）股份有限公司 $