UNIT 3 SEA EXPLORATION(课件 36张PPT+ 学案)2026届高中英语人教版(2019)一轮复习选择性必修第四册

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名称 UNIT 3 SEA EXPLORATION(课件 36张PPT+ 学案)2026届高中英语人教版(2019)一轮复习选择性必修第四册
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UNIT 3 SEA EXPLORATION
主题语境 人与自然 海洋探索
背多分1 单元词汇 三维速记
主题大观念 | 了解中国从古到今的海洋探索过程,体会“一带一路”的深远意义,了解海洋保护的重要性。
语言大观念 | 围绕海洋保护日,思考保护海洋可采取的行动和措施,写保护海洋的倡议书/海报。
主题情境语块 核心词词形变化
sea exploration 海洋探索  
①tale n.故事;叙述 ②league n.等级;水平;联合会;联赛 ③channel n.航道;海峡;频道 ④tournament n.锦标赛;联赛 ⑤laptop n.笔记本电脑;便携式电脑 reach out across the sea跨海越洋 ⑥set sail起航;开航 ⑦a sight to behold壮观的景象 ⑧in a league of one’s own独领风骚 ⑨find one’s way to设法到达 ⑩in hand在手头;可供使用 withdraw from退出;撤回 under the command of在……指挥下 the Silk Road丝绸之路 in return for作为对……的回报 for the benefit of为了……的利益 revisit the ancient sea routes重游古代航道 the Belt and Road Initiative“一带一路”倡议 1.extend vt.扩展;使伸长;延长;伸出;给予→extension n.延长;延伸;延期;延长期→extensive adj.广阔的;广大的;广泛的 2.negotiate vt.商定;达成(协议) vi.谈判;磋商;协商→negotiation n.谈判;协商→negotiable adj.可协商的;可讨论的 3.withdraw vi. & vt. (使)撤回;撤离→withdrew/withdrawn (过去式/过去分词)→withdrawal n.撤回;撤离 4.politics n.政治;政治观点→political adj.政治的;政府的;政党的→politician n.政客;政治家 5.profession n.职业;行业→professional adj.职业的;专业的 n.专业人士;职业选手→professionalism n.专业水准 6.mixture n.混合;结合体;混合物→mix vi. & vt. (使)混合,掺和;交往;相处;交际→mixed adj.混合的;混杂的 7.bond n.纽带;关系 vt. & vi.增强信任关系;使牢固结合→bonding n.特殊关系的形成 8.royal adj.皇家的;王室的;高贵的 n.王室成员→royally adv.隆重地
opinions on sea exploration 海洋探索观点  
①directory n.名录;电话号码簿;目录 ②meanwhile adv.与此同时;对比之下 ③capsule n.胶囊;太空舱 ④manned adj.有人控制的;需人操纵的 advocate提倡者 ⑤marine research海洋研究 ⑥be balanced with economic needs与经济需求保持平衡 opponent反对者;对手;竞争者 ⑦spill over泄漏;溢出;漫出 ⑧without mercy毫不留情地 ⑨all of a sudden突然 9.migration n.迁移;迁徙;移居→migrate v. (随季节变化)迁徙;移居;迁移;移动;转移 10.murder vt.谋杀;凶杀;毁坏 n.谋杀;凶杀→murderer n.杀人犯;杀人凶手 11.mercy n.仁慈;宽恕;恩惠→merciful adj.宽大的;仁慈的;慈悲的→merciless adj.无情的;毫不怜悯的 12.possession n.拥有;控制→possessions n. (pl.)个人财产→possess vt.拥有;占有;具有(特质);控制→possessive adj.占有欲强的 13.tax vt.对……征税;使纳税n.税;税款→taxable adj.应纳税的 14.exploit vt.开发;利用;剥削→exploiter n.剥削者→exploitation n.利用;开发;剥削→exploitable adj.可开采的;可利用的
ocean conservation 海洋保护  
mark World Oceans Day庆祝世界海洋日 ①beach/river cleanup activity海滩/河流清理活动 ②press conference记者招待会;新闻发布会 ③applaud ... for称赞;赞赏 ④lead to awareness of增进对……的认识 ⑤advance ocean conservation促进海洋保护 ⑥receive widespread media coverage得到媒体的广泛报道 15.applaud vt. & vi.鼓掌 vt.称赞;赞赏→applause n.鼓掌;喝彩 16.coverage n.新闻报道;覆盖范围→cover vt.掩蔽;遮盖;覆盖;涉及;包含,包括;采访,报道 n.封面,封皮;盖子→uncover vt.揭开盖子;发现;揭露;揭发 17.log vt.把……载入正式记录;记录;采伐(森林的)树木;伐木 n.正式记录;日志;原木→logging n.伐木作业 18.arrest n.逮捕;拘留;中止 vt.逮捕;拘留;阻止 吸引(注意)→arresting adj.引人注意的;很有吸引力的
36篇美文助记新课标3 000词汇  
Despite varieties of resources we are in possession of in the depths of the sea, some marine creatures have died out due to human activities. Therefore, marine pollution has arrested global attention. First of all, there is an urgent need to advance ocean conservation as well as education for the benefit of human beings. Meanwhile, we oppose murdering marine sea animals without mercy and applaud the government for withdrawing from over-exploitation and launching beach cleanup activities. With the latest technology in hand, we can address important issues, conduct extensive research, have the marine resources properly exploited and log new species.
背多分2 单元重点 语境背记
mixture n. ①混合;结合体 ②混合物
1)a mixture of ...……的结合/混合 2)mix A with/and B混合A与B mix sth. into sth.将……和入…… mix with sb.与某人交往 mix up弄错,弄乱 3)be/get mixed up in卷入……;与……有牵连 ①She eyed him with ________ mixture of shock and suspicion.她用交织着惊愕和怀疑的目光看着他。 ②He’s the last person I’d expect to be mixed up ________ something like this.他是我最想不到会牵涉进这种事情的人。 ③Her words, filled with wisdom and optimism, echoed around us, mixed with the chorus of rustling leaves and birdsong.她的至理之言,和着树叶的沙沙作响和鸟鸣,在我们周围回荡。(续写情景交融)
mercy n. ①仁慈;宽恕 humanity ②恩惠
1)at the mercy of完全受……支配;任由……摆布 without mercy毫不留情地 have mercy on怜悯…… show (no) mercy to对……(不)怜悯/宽恕 ask/beg for mercy请求/乞求宽恕 2)be merciful to对……仁慈 ①You are merciful to keep away from animals’habitats, thus minimizing any potential damage to the plants.仁慈地避开动物的栖息地,尽量减少对植物的可能的损害。(通知) ②She was a kind-hearted woman and often had mercy ________ people who were in trouble.她是一个心地善良的女人,常常怜悯那些陷入困境的人。(新高考Ⅰ卷续写) ③After the boat’s motor failed, they were ________ the mercy of the weather.船的马达坏了,他们只能听命于天气了。
possession n. 拥有;控制 (pl.)个人财产
1)take possession of占有/拥有 sb.be in possession of sth.某人占有/拥有某物 sth.be in the possession of sb.某物为某人所有 2)possess sth.拥有;具有(某品质) 情感名词+possess sb.某人觉得…… ①I highly recommend including table tennis as one of the activities, which ________ (possess) numerous remarkable advantages.我强烈推荐乒乓球作为活动之一,它有许多显著的优势。(推荐信) ②A mad rage possessed her.她突然狂怒起来。 ③She realized that material possessions can come and go, but the love and memories she shares with her family are irreplaceable.她意识到,物质财富乃身外之物,但与家人之间的爱和回忆是不可替代的。(续写感悟升华)

World Oceans Day ①________ (take) place on 8 June every year. It is now celebrated in over 100 countries ②________ hundreds of special events broadcast across the globe. The day ③________ (mark) in a variety of ways, including the launching of new campaigns ④________ initiatives, and holding special events, all ⑤________ (work) to advance ocean conservation and education.
 教材优美片段再练背
短语1find one’s way to 设法到达;偶然来到
fight/push one’s way奋力前进 lose one’s way迷路;背离……的意图 feel one’s way摸索着走动;谨慎行事 force one’s way out挤出去 push one’s way through从……中挤过去 wind one’s way蜿蜒向前 make one’s way (to)前进;前往 pave the way for为……铺平道路,创造条件 ①As long as you try your best, you can surely make your way ________ success.只要你竭尽全力,就一定会成功。(劝慰信) ②We lost our way and suddenly the fog enveloped the forest and we were not able to see each other clearly. We were desperate to find our way ________.我们迷了路,突然,雾气笼罩了森林,我们看不清彼此了。我们急切地想找到出去的路。(续写逃生)
短语2make it 成功,到达
make it to按时到达;能够出席或参加 make it+时间定在某个时间 make it through ...挺过……;熬过…… make it up with sb.与某人和解 ①As long as you have a dream, keep trying and you will make ________.只要你有梦想,不断努力就会成功。(劝慰信) ②I avoided looking down to prevent any sudden panic, and within a few minutes I made it ________ the peak and smiled proudly.为了防止任何突然的恐慌,我避免往山下看。几分钟后,我爬到了山顶,自豪地笑了。(续写情感细节描写)
句式as引导时间状语从句
Hopefully, as technology improves, we may have more options for managing this balance. 希望随着技术的进步,我们可以有更多的选择来管理这种平衡。
1)as“当……时候;一边……一边;随着”,引导时间状语从句。 2)as“如同;按照”,引导方式状语从句。 3)as“因为”,引导原因状语从句。 4)as“尽管”,引导让步状语从句,用于“形容词/副词/名词/动词原形+as+主语+谓语”结构中。 5)as引导非限制性定语从句,意为“正如”。先行词为整个主句; as引导的从句可以位于句首、句末或主语与谓语之间。 ①As smartphones and computers grow increasingly popular, more students are choosing to learn English beyond the classroom in various ways.随着智能手机和电脑的日益普及,更多的学生选择在课堂之外通过各种方式学习英语。(2022·全国乙卷短文) ②Tired and sweaty as David was, he ran to me for a hug, wearing his usual big toothy smile.尽管大卫累得满头大汗,但他还是跑过来拥抱我,脸上带着他惯常的笑,露出满口牙齿。(2022·新高考Ⅰ卷续写动作+神态描写) ③________________,“One good turn deserves another.”俗话说得好:“好人有好报。”
背多分3 续写素材 场景练背
——神态描写之“哭”(二)
泪流满面 ①tears roll/run/stream/pour down sb.’s face/cheeks泪水滑落脸/面颊/眼泪顺着脸/面颊簌簌地落下; ②be wet with tears/be in tears泪流满面; ③in floods of tears泪如泉涌
哭出声 ①sob啜泣; ②weep哭泣,流泪; ③cry哭泣; ④break down (因情绪失去控制而)情不自禁哭起来; ⑤burst into tears/burst out crying放声大哭; ⑥cry one’s eyes/heart out痛哭流涕;哭得伤心欲绝; ⑦a good long cry痛痛快快哭一场; ⑧cry bitter/lonely tears流下痛苦/孤独的泪水; ⑨cry oneself to sleep哭到睡着
眼泪有情/ 擦眼泪 ①tears of joy/regret/frustration/gratitude高兴/悔恨/沮丧/感激的眼泪; ②shed tears of joy喜极而泣; ③wipe one’s tears away擦掉眼泪; ④brush one’s tears抹掉眼泪; ⑤cry with relief欣慰地哭泣
用表“哭”的表达补全下面的微场景并背诵
微场景67 主题“挑战自我”——失败之后的“哭”
As the teacher started to read the list, I stood still, anticipating the final item. When I heard the name of my opponent, all I wanted to do was get out of the office. ①________________________________________ (泪水从我脸上滑落). I was quite disappointed and upset. I had put in so much effort, and campaigned tirelessly, but still failed. Back in the classroom, I bowed my head, ②________________ (我泪流满面, 独立主格). My friends gathered round to comfort me. They encouraged me not to give up and to try again the next year. Their words brought me strength and courage and helped me recognize that although I lost the election, I had made progress. I could do better next time.
微场景68 主题“改变成长”——被同学冷落后的“哭”
When I reached home that afternoon, I ③________________ (放声大哭) when hearing my mother’s first question “How was your day, Anu ” I told her my classmates didn’t like me and that they didn’t allow me to play basketball with them. Mummy gathered me in her arms. “Now, Anu, don’t cry. Give them a couple of days. Do your work well and be friendly and you’ll see things will work out differently.” Seeing me ④____________________ (抹掉眼泪), she added, “You are a good swimmer. Why don’t you go swimming during the game periods ”
UNIT 3 SEA EXPLORATION
背多分2
1.①a ②in 2.②on ③at 3.①possesses 4.①to ②out 5.①it ②to 6.③As an old saying goes
教材优美片段再练背  
①takes ②with ③is marked ④and ⑤working
背多分3
①Tears rolled down my face ②my face wet with tears ③burst into tears/burst out crying ④brush my tears(共36张PPT)
UNIT 3 SEA EXPLORATION
主题语境 人与自然 海洋探索
选择性必修 第四册
背多分1 单元词汇 三维速记
主题大观念 | 了解中国从古到今的海洋探索过程,体会“一带一路”的深远意义,了解海洋保护的重要性。
语言大观念 | 围绕海洋保护日,思考保护海洋可采取的行动和措施,写保护海洋的倡议书/海报。
①tale n. 故事;叙述
②league n. 等级;水平;联合会;联赛
③channel n. 航道;海峡;频道
④tournament n. 锦标赛;联赛
⑤laptop n. 笔记本电脑;便携式电脑
sea exploration 海洋探索
主题情境语块
sea exploration 海洋探索
主题情境语块
sea exploration 海洋探索
主题情境语块
1.extend vt. 扩展;使伸长;延长;伸出;给予→extension n. 延长;延伸;延期;延长期→extensive adj. 广阔的;广大的;广泛的
2.negotiate vt. 商定;达成(协议) vi. 谈判;磋商;协商→negotiation n. 谈判;协商→negotiable adj. 可协商的;可讨论的
3.withdraw vi. & vt. (使)撤回;撤离→withdrew/withdrawn (过去式/过去分词)→withdrawal n. 撤回;撤离
4.politics n. 政治;政治观点→political adj. 政治的;政府的;政党的→politician n. 政客;政治家
sea exploration 海洋探索
核心词词形变化
5.profession n. 职业;行业→professional adj. 职业的;专业的 n. 专业人士;职业选手→professionalism n. 专业水准
6.mixture n. 混合;结合体;混合物→mix vi. & vt. (使)混合,掺和;交往;相处;交际→mixed adj. 混合的;混杂的
7.bond n. 纽带;关系 vt. & vi. 增强信任关系;使牢固结合→bonding n. 特殊关系的形成
8.royal adj. 皇家的;王室的;高贵的 n. 王室成员→royally adv. 隆重地
sea exploration 海洋探索
核心词词形变化
①directory n. 名录;电话号码簿;目录
②meanwhile adv. 与此同时;对比之下
③capsule n. 胶囊;太空舱
④manned adj. 有人控制的;需人操纵的
advocate 提倡者
⑤marine research 海洋研究
⑥be balanced with economic needs 与经济需求保持平衡
opinions on sea exploration 海洋探索观点
主题情境语块
opponent 反对者;对手;竞争者
⑦spill over 泄漏;溢出;漫出
⑧without mercy 毫不留情地
⑨all of a sudden 突然
opinions on sea exploration 海洋探索观点
主题情境语块
9.migration n. 迁移;迁徙;移居→migrate v. (随季节变化)迁徙;移 居;迁移;移动;转移
10.murder vt. 谋杀;凶杀;毁坏 n. 谋杀;凶杀→murderer n. 杀人 犯;杀人凶手
11.mercy n. 仁慈;宽恕;恩惠→merciful adj. 宽大的;仁慈的;慈悲的→merciless adj. 无情的;毫不怜悯的
opinions on sea exploration 海洋探索观点
核心词词形变化
12.possession n. 拥有;控制→possessions n. (pl.)个人财产→possess vt. 拥有;占有;具有(特质);控制→possessive adj. 占有欲强的
13.tax vt. 对……征税;使纳税 n. 税;税款→taxable adj. 应纳税的
14.exploit vt. 开发;利用;剥削→exploiter n. 剥削者→exploitation n. 利用;开发;剥削→exploitable adj. 可开采的;可利用的
opinions on sea exploration 海洋探索观点
核心词词形变化
mark World Oceans Day 庆祝世界海洋日
①beach/river cleanup activity 海滩/河流清理活动
②press conference 记者招待会;新闻发布会
③applaud ... for 称赞;赞赏
④lead to awareness of 增进对……的认识
⑤advance ocean conservation 促进海洋保护
⑥receive widespread media coverage 得到媒体的广泛报道
ocean conservation 海洋保护
主题情境语块
ocean conservation 海洋保护
核心词词形变化
Despite varieties of resources we are in possession of in the depths of the sea, some marine creatures have died out due to human activities. Therefore, marine pollution has arrested global attention. First of all, there is an urgent need to advance ocean conservation as well as education for the benefit of human beings. Meanwhile, we oppose murdering marine sea animals without mercy and applaud the government for withdrawing from over-exploitation and launching beach cleanup activities. With the latest technology in hand, we can address important issues, conduct extensive research, have the marine resources properly exploited and log new species.
背多分2 单元重点 语境背记
1.mixture n. ①混合;结合体 ②混合物
1)a mixture of ... ……的结合/混合
2)mix A with/and B 混合A与B
mix sth. into sth. 将……和入……
mix with sb. 与某人交往
mix up 弄错,弄乱
3)be/get mixed up in 卷入……;与……有牵连
①She eyed him with ________ mixture of shock and suspicion. 她用交织着惊愕和怀疑的目光看着他。
②He’s the last person I’d expect to be mixed up ________ something like this. 他是我最想不到会牵涉进这种事情的人。
③Her words, filled with wisdom and optimism, echoed around us, mixed with the chorus of rustling leaves and birdsong. 她的至理之言,和着树叶的沙沙作响和鸟鸣,在我们周围回荡。 (续写情景交融)
a
in
①You are merciful to keep away from animals’ habitats, thus minimizing any potential damage to the plants. 仁慈地避开动物的栖息地,尽量减少对植物的可能的损害。(通知)
②She was a kind-hearted woman and often had mercy ________ people who were in trouble. 她是一个心地善良的女人,常常怜悯那些陷入困境的人。(新高考Ⅰ卷续写)
③After the boat’s motor failed, they were ________ the mercy of the weather. 船的马达坏了,他们只能听命于天气了。
on
at
3.possession n. 拥有;控制 (pl.)个人财产
1)take possession of 占有/拥有
sb.be in possession of sth. 某人占有/拥有某物
sth.be in the possession of sb. 某物为某人所有
2)possess sth. 拥有;具有(某品质)
情感名词+possess sb. 某人觉得……
①I highly recommend including table tennis as one of the activities, which __________ (possess) numerous remarkable advantages. 我强烈推荐乒乓球作为活动之一,它有许多显著的优势。 (推荐信)
②A mad rage possessed her. 她突然狂怒起来。
③She realized that material possessions can come and go, but the love and memories she shares with her family are irreplaceable. 她意识到,物质财富乃身外之物,但与家人之间的爱和回忆是不可替代的。 (续写感悟升华)
possesses
World Oceans Day ①________ (take) place on 8 June every year. It is now celebrated in over 100 countries ②________ hundreds of special events broadcast across the globe. The day ③___________ (mark) in a variety of ways, including the launching of new campaigns ④________ initiatives, and holding special events, all ⑤__________ (work) to advance ocean conservation and education.
takes
with
is marked
and
working
4.短语1find one’s way to 设法到达;偶然来到
fight/push one’s way 奋力前进
lose one’s way 迷路;背离……的意图
feel one’s way 摸索着走动;谨慎行事
force one’s way out 挤出去
push one’s way through 从……中挤过去
wind one’s way 蜿蜒向前
make one’s way (to) 前进;前往
pave the way for 为……铺平道路,创造条件
①As long as you try your best, you can surely make your way ________ success. 只要你竭尽全力,就一定会成功。(劝慰信)
②We lost our way and suddenly the fog enveloped the forest and we were not able to see each other clearly. We were desperate to find our way ________. 我们迷了路,突然,雾气笼罩了森林,我们看不清彼此了。我们急切地想找到出去的路。(续写逃生)
to
out
5.短语2 make it 成功,到达
make it to 按时到达;能够出席或参加
make it+时间 定在某个时间
make it through ... 挺过……;熬过……
make it up with sb. 与某人和解
①As long as you have a dream, keep trying and you will make ________. 只要你有梦想,不断努力就会成功。(劝慰信)
②I avoided looking down to prevent any sudden panic, and within a few minutes I made it ________ the peak and smiled proudly. 为了防止任何突然的恐慌,我避免往山下看。几分钟后,我爬到了山顶,自豪地笑了。 (续写情感细节描写)
it
to
6.句式as引导时间状语从句
Hopefully, as technology improves, we may have more options for managing this balance. 希望随着技术的进步,我们可以有更多的选择来管理这种平衡。
1)as“当……时候;一边……一边;随着”,引导时间状语从句。
2)as“如同;按照”,引导方式状语从句。
3)as“因为”,引导原因状语从句。
4)as“尽管”,引导让步状语从句,用于“形容词/副词/名词/动词原形+as+主语+谓语”结构中。
5)as引导非限制性定语从句,意为“正如”。先行词为整个主句; as引导的从句可以位于句首、句末或主语与谓语之间。
①As smartphones and computers grow increasingly popular, more students are choosing to learn English beyond the classroom in various ways. 随着智能手机和电脑的日益普及,更多的学生选择在课堂之外通过各种方式学习英语。 (2022·全国乙卷短文)
②Tired and sweaty as David was, he ran to me for a hug, wearing his usual big toothy smile. 尽管大卫累得满头大汗,但他还是跑过来拥抱我,脸上带着他惯常的笑,露出满口牙齿。(2022·新高考Ⅰ卷续写动作+神态描写)
③_____________________,“One good turn deserves another.” 俗话说得好:“好人有好报。”
As an old saying goes
背多分3 续写素材 场景练背
——神态描写之“哭”(二)
泪流 满面 ①tears roll/run/stream/pour down sb.’s face/cheeks泪水滑落脸/面颊/眼泪顺着脸/面颊簌簌地落下; ②be wet with tears/be in tears泪流满面; ③in floods of tears泪如泉涌
哭 出声 ①sob啜泣; ②weep哭泣,流泪; ③cry哭泣; ④break down (因情绪失去控制而)情不自禁哭起来; ⑤burst into tears/burst out crying放声大哭; ⑥cry one’s eyes/heart out痛哭流涕;哭得伤心欲绝; ⑦a good long cry痛痛快快哭一场; ⑧cry bitter/lonely tears流下痛苦/孤独的泪水; ⑨cry oneself to sleep哭到睡着
眼泪有情/ 擦眼泪 ①tears of joy/regret/frustration/gratitude高兴/悔恨/沮丧/感激的眼泪; ②shed tears of joy喜极而泣; ③wipe one’s tears away擦掉眼泪; ④brush one’s tears抹掉眼泪; ⑤cry with relief欣慰地哭泣
用表“哭”的表达补全下面的微场景并背诵
微场景67 主题“挑战自我”——失败之后的“哭”
As the teacher started to read the list, I stood still, anticipating the final item. When I heard the name of my opponent, all I wanted to do was get out of the office. ①___________________________ (泪水从我脸上滑落). I was quite disappointed and upset. I had put in so much effort, and campaigned tirelessly, but still failed. Back in the classroom, I bowed my head, ②______________________ (我泪流满面, 独立主格). My friends
Tears rolled down my face
my face wet with tears
gathered round to comfort me. They encouraged me not to give up and to try again the next year. Their words brought me strength and courage and helped me recognize that although I lost the election, I had made progress. I could do better next time.
微场景68 主题“改变成长”——被同学冷落后的“哭”
When I reached home that afternoon, I ③__________________________ (放声大哭) when hearing my mother’s first question “How was your day, Anu ” I told her my classmates didn’t like me and that they didn’t allow me to play basketball with them. Mummy gathered me in her arms. “Now, Anu, don’t cry. Give them a couple of days. Do your work well and be friendly and you’ll see things will work out differently.” Seeing me
④________________ (抹掉眼泪), she added, “You are a good swimmer. Why don’t you go swimming during the game periods ”
burst into tears/burst out crying
brush my tears
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