2027年高考人教版英语一轮复习学案 课件含答案34-选择性必修 第四册-UNIT 3 SEA EXPLORATION

这是一份2027年高考人教版英语一轮复习学案 课件含答案34-选择性必修 第四册-UNIT 3 SEA EXPLORATION，共38页。PPT课件主要包含了选择性必修 第四册，教材回顾·自主学习，词句精讲·核心突破，基础达标·巩固训练，写作提能·综合运用，sailed，from，channels，remains，which等内容，欢迎下载使用。
第一部分 教材单元复习
UNIT 3 SEA EXPLORATION
（主题：人与自然——人类生存、社会发展与环境的关系）
Trade and curisity have ften frmed the fundatin f mankind’s greatest achievements. 1. _____________（cmplete） the great map f the wrld was a strng passin fr the peple f early civilisatins. Marc Pl’s tales inspired Eurpean explrers t search fr sea rutes frm west t east. A trading rute acrss the sea 2. ______________（extend） alng the casts f the Indian Ocean, centred arund Ceyln （nw Sri Lanka）. Here, merchants frm China and many ther places met with the bjective f 3. ___________（negtiate） trade deals. Later, under the cmmand f Zheng He, seven large fleets 4. _______（sail） west n vyages f trade and explratin.
was extended
Althugh China withdrew 5. ______ further expeditins after 1433, these land and sea rutes remained active 6. _________（channel） between ther cultures fr centuries. T reach ut acrss the sea 7. _________（remain） a strng desire tday. The ancient sea rutes travelled by Zheng He are being revisited with the 21st Century Maritime Silk Rad, 8. _______ is part f the Belt and Rad Initiative. The aim f this initiative is t encurage cperatin and trade acrss the histric Silk Rad areas, and strengthen the bnds between China 9. _____ the rest f the wrld. Althugh the ancient sea rutes f Zheng He have been travelled many
times, there are still many ther places 10. _____（leave） t explre. With the latest technlgy in hand, the need t trade and the desire t enhance relatinships will drive China t reach ut acrss the sea far int the future.#2
1 extend vt.扩展；使伸长；延长；提供；给予;展开（尤指手臂或腿）→extensin n.扩大;延伸;延期 extensive adj.广阔的;广泛的 extensively adv.广大地；广泛地
·extend sth. t sb. 向某人提供/给予…… 把……扩展到……①If yu are in need f a deadline __________（extend）, simply explain the situatin t the prfessr.
② ___________（extend） suth frm parts f what we nw knw as Mexic int Central America, Maya civilisatin has been surrunded by mystery since its rediscvery in the 19th century.
③你们能来到这里我们非常激动。我代表学校向大家表示最真诚的欢迎。（演讲稿）We are very excited t have yu here. On behalf f my schl, ________________________________________.
I extend ur mst sincere welcme t yu
④对您过去几年的无私帮助，我想表示衷心的感谢。如果不是您，我不会被这所大学录取。（感谢信）____________________________________________fr yur selfless assistance during the past years. But fr yu, I wuld nt have been admitted t the university.
I’d like t extend my sincere gratitude t yu
2 mercy n.仁慈；宽恕；恩惠→merciful adj.宽大的；仁慈的；慈悲的 merciless adj.毫不怜悯的；无情的；残忍的
·shw mercy t sb.=have mercy n/upn sb. 怜悯某人at the mercy f... 任由……摆布;对……无能为力withut mercy 残忍地·be merciful t sb. 怜悯某人；对某人仁慈
①Seeing hw much I lved the stray kitten, my parents were _________（mercy） and allwed me t keep it.
②The vyages f travelers befre the 17th century shw that they were nt ___ the mercy f the sea even thugh they didn’t have mdern navigatinal aids.
③The extremely ht sun beat dwn n us ________ mercy,but we cntinued t climb the muntain in high spirits.
④（2020·新高考Ⅰ）尽管Meredith一家不富裕，但他们同情穷人，总是在可能的时候愿意伸出援手。→Althugh the Merediths weren’t well ff, ________________________________________________________________ and were always willing t extend a supprting hand whenever pssible.（mercy）→Althugh the Merediths weren’t well ff, ________________________________ and were always willing t extend a supprting hand whenever pssible.（merciful）
they shwed mercy t the pr/they had mercy n/upn the pr
they were merciful t the pr
3 pssessin n.［usually pl.］个人财产；拥有；控制→pssess vt.拥有;具有（特质）;支配
·be in pssessin f 拥有……（主语为人）（表状态）take pssessin f... 占有……;拥有……（表动作）be in the pssessin f sb.=be in sb.’s pssessin （某物）被某人拥有·be pssessed f sth. 具有某种品质（或特征）
①There are several reasns t believe that the urges t help, infrm and share are nt taught, but naturally __________（pssess） in yung children.
②这款最新的笔记本电脑是汤姆的，也就是说汤姆拥有这个最新款的笔记本电脑。The latest laptp is ____________________ Tm, which means that Tm is ________________ the latest laptp.
in the pssessin f
in pssessin f
③妈妈经常提醒我，只有当我拥有良好的心态时，我才有可能获得成功。Mther ften reminds me that nly when ______________________________ can I be likely t attain success.
I pssess a gd state f mind
4 in hand 在手头；可供使用；在掌握中
·at first hand 第一手;亲自at hand 在手边,在近处;即将到来by hand 手工give sb. a hand 帮助某人hand in hand 手拉手n hand 现有（帮助）n the ne the ther （hand）... 一方面……另一方面……（用于表示不同的、尤其是相对立的两个方面）
用hand的相关短语填空①Having enugh data _________, we can set ut t hld the press cnference as scheduled.②Whenever I am in truble, it is yu wh ________________ withut hesitatin.③Even fr persnal letters, the merchant wuld rather use a cmputer than write _________.
give me a hand
④他看起来冷静而自信，因为局势在他掌握之中。（神情描写）He lks calm and cnfident, because ____________________________.
he has the situatin in hand
⑤一方面，计算机拓宽了我们的视野，但另一方面，它们也带来了一些问题。（演讲稿）On the ne hand, cmputers braden ur hrizns, but ___________________________________________________________________________________.
n the ther （hand）, they als bring abut/lead t/cntribute t sme prblems
⑥面对诸如全球变暖这样的普遍问题，世界不同地区的人们应该携手合作。Faced with thse universal prblems such as glbal warming, peple in different parts f the wrld ___________________________________.
are suppsed t wrk hand in hand
5 Frm a scientific pint f view, there is an urgent need t study the Arctic in rder t understand climate change and its effects. 从科学的角度看,为了了解气候变化及其影响,迫切需要对北极进行研究。
句型公式：There is a（n） t d sth.……需要做某事。·There is a （great） need （fr sb.） t d sth. （某人）（迫切）需要做某事。There is n need （fr sb.） t d sth.=It is nt necessary （fr sb.） t d sth. （某人）没有必要做某事。
There is a/n pssibility is pssible/impssible that... 有/没有可能……There is n time （fr sb.） t d sth. （某人）没有时间做某事。There is n pint/sense （in） ding sth. 做某事没有意义。
①为了保护环境,我们急需选择一种既健康又环保的旅游方式。（倡议书）_______________________________________________ a healthy and envirnmentally friendly way f travelling in rder t prtect the envirnment.
There is an urgent/a great need fr us t chse
②因为忙于分发食物,志愿者们没有时间好好休息一下。_______________________________________________________ because they were ccupied handing ut fd.
There was n time fr the vlunteers t have a gd rest
③为那些我们无法控制的事情担心是没有意义的。__________________________________________________ that are beynd ur cntrl.
There is n pint/sense （in） wrrying abut things
④若不踏出舒适区，我们绝无可能实现有意义的个人成长。____________________________________________________________ withut stepping ut f ur cmfrt zne.
There is n pssibility that we can achieve meaningful persnal
1. （2025·全国二）Well, since I bught a smartphne fr Julia last summer, it seems the phne has becme an __________（extend） f her arm.
2. （2023·新课标Ⅱ）Fr example, the experience f walking alng the edge f water might be satisfying fr a yung ____________（prfessin） n a weekend hike in the park.
3. （2021·北京）UNESCO will prvide limited insurance _________（cver） up t USD30,000 fr the internship perid.
4. （2021·天津）Henry David Threau was happy t withdraw ______ scial life, seeking a harmnius relatinship with nature in the quietness f his life.
5. （2021·新高考Ⅰ）Jeff brke tw eggs int a plate and added in sme milk. Jenna fund the bread and put tw slices int the egg ________（mix） .
6. There is n need _______（tell） me yur answer nw. Give it sme thught and then let me knw.
7. Right after Erin tk pssessin ___ my wallet n the bus, she psted a picture f my driver’s license t an nline frum（论坛）, trying t see if anyne knew me.
8. It’s easy t tell my pills ______ because they’re all in different clrs.9. He negtiated ______ ther spnsrs f the exhibitin abut hw t rganize it perfectly.10. He desn’t have the freedm t chse what he likes, s I have mercy _________ him.
二、一词多义/熟词生义
1. 从方框中选择下列句子中加黑词汇的汉语意思。
（1）withdraw
①Sensing his mistake, the minister withdrew his statement later. ___②Yu can withdraw mney frm the accunt at any time withut service charges. ___③When hearing yu plan t withdraw frm the speech class, I felt surprised. ___
①They failed t arrest the cmpany’s decline, feeling very frustrated. ___②It’s reprted that 4 persns have been arrested fr the serius vilence. ___③Arrested by the latest electrnic tys, the little by std in frnt f the windws withut mving. ___
2. 阅读下列句子并猜测句中加黑词汇的词性和汉语意思。
①All the peple present at the meeting applaud my decisin. ________②Peple believe writing pems is a great channel fr expressing their feelings. ______________________③The new type f glue bnds a variety f surfaces in secnds. ______________
n.（表达的）方式,手段
一、应用文写作（保护海洋，投稿）
你校将以世界海洋日（Wrld Oceans Day）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）保护海洋的措施;（3）保护海洋的倡议。 When it cmes t cean pllutin, it is becming mre and mre serius. Wrld Oceans Dayfalls n June 8th,and the aim f it is 1. _____________________________________________（提高公众保护海洋的意识）.#1.1
t raise public awareness f cean cnservatin
2. ______________________________________________（海洋在生态系统中起重要作用）.It ffers us sufficient fd and maintains the balance f nature. Thus, it is significant that we prtect the cean. T begin with, 3. ______________________________________________________________（迫切需要重视我们的日常行为）.#1.3
The cean plays a critical rle in the ecsystem
there is an urgent need t attach imprtance t ur daily actins
Fr instance, garbage can’t be thrwn int the cean randmly. In additin, we can als hand ut leaflets t appeal t mre peple t prtect the cean. Undubtedly,4. ____________________________________________________________________（参与其中的人越多，海洋环境就越好）. T cnclude, it is high time that 5. _________________________________________________________（我们致力于保护海洋）.After all, t prtect the cean is t prtect urselves.#1.6
the mre peple are invlved, the better the cean envirnment will be
we devted/cmmitted urselves t prtecting the cean
主旨升华之“险境求生”
shwed bravery and calmness
every decisin can make a real difference
a gd knwledge f first aid