Unit 3Sea Exploration Words and Expressions 课件(共43张PPT)-2025-2026学年人教版（2019）选择性必修第四册
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| 名称 | Unit 3Sea Exploration Words and Expressions 课件(共43张PPT)-2025-2026学年人教版（2019）选择性必修第四册 |  | |
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| 科目 | 英语 | ||
| 更新时间 | 2025-06-11 16:16:54 | ||
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(共43张PPT)
SEA EXPLORATION
Unit 3
1.tale /te l/ cn. 故事；叙述
童话故事
fairy tale
However, merchants and explorers from the East set sail from east to west many years before Columbus first did.
merchant / m t nt/ n. 商人，批发商
adj. 海上货运的
sail n. 帆 v. 航行；驾驶；起航
sail for = set sail for 起航前往
→ n. 帆船运动，驾船航行；航班
→ n. 水手；海员
sailing
sailor
set off 出发 , 使爆炸
set out to do = set about doing 开始着手做
set down 写下;记下;放下;让某人下车
set aside = put aside 把…放一边
set up =establish = found =建立
3.extend[ k'stend] vt.扩展，使伸长，延长
There are plans to extend the no-smoking area.
现已有扩大无烟区的计划。
By popular demand,the tour has been extended by two weeks.
应大家要求,这次旅游延长了两周。
On behalf of the organiser, I wish to extend a warm welcome to you.
我谨代表活动主办方,对各位的到来表示热烈的欢迎。
归纳拓展
extend to...(使)达到,伸展到
extend by...延长了……
extension n.延伸;扩大;延期
extensive adj.广阔的;大量的;广泛的
extensively adv.广大地;广泛地
单句语法填空
① There is a proposal to extend the road the next village.
②He first entered Britain on a six-month visa,and was given a further (extend) of six months.
to
extension
4.negotiate [n ɡ ie t] vt. 商定，达成（协议）;
vi.协商，谈判
negotiate (with sb.) about/for sth.
就某事和某人谈判
You have to negotiate with the locals for a better price to buy what you need.
→ n. 谈判；磋商；协商
(be) in negotiation with sb. 与某人协商
under negotiation 在协商中
negotiable adj.可协商的;可讨论的
negotiation
5. behold
/b h ld/
vt. ( beheld, beheld )
看;看见
beholder n. 旁观者；观看者
6. royal / r l/
adj.皇家的，王室的，高贵的；盛大的
a royal welcome 盛大的欢迎
→ n. 王室
royalty
形近词 loyal
adj.忠诚的 → loyalty n.忠诚
7. spice
/spa s/
n.(调味)香料
spicy adj. 辛辣的= peppery
2. set sail 起航；开航
set sail from/for...自......起航/起航去......
The three men built a small boat so that they could set sail for France at high tide.
这三个男人造了一只船，以便在涨潮时起航前往法国。
8. withdraw[w dr ] v. 撤回；撤离；提取
(withdrew-withdrawn)
A leg injury forced him to withdraw from the competition.
腿部受伤使他不得不退出比赛。
He withdrew his remarks and explained what he had meant to say.
他收回了所说的话,并且解释了他本来想说什么。
He withdrew some money from the bank and paid the electricity fee.
他从银行里提取了现金,交了电费。
单句语法填空
①Because of his injured feet,he had to withdraw the football match.
②Due to some reasons,the company makes the (withdraw) of a product from the market.
③Touching the surface of the hot pot,the little girl (withdraw) her hands immediately and let out a cry.
完成句子
④I went to the bank (提取一些现金) to buy a birthday present for my mother.
from
withdrawal
withdrew
to withdraw some money
1.extend vt.扩展;使伸长;延长→ n.延伸;扩大;延期→
adj.广阔的;大规模的
2.negotiate vt.商定;达成(协议) vi.谈判;磋商;协商→ n.谈判;协商→ adj.可协商的;可谈判的
3.politics n.政治;政治观点→ adj.政治(上)的→ adv.政治上
4.profession n.职业;行业→ adj.职业的;专业的→ .adv.职业地;专业地→ n.教授;(大学的)讲师
5.mixture n.混合;结合体;混合物→ vt.混合;混淆→ adj.混合的;混杂的
6.coverage n.新闻报道;覆盖范围→ vt.覆盖;报道
7.applaud vt.& vi.鼓掌 vt.称赞;赞赏→ n.鼓掌;喝彩
extension
extensive
negotiation
negotiable
political
politically
professional
professionally
professor
mix
mixed
cover
applause
9. channel [ t nl] n. 航道；海峡；频道
电影频道
movie channel
英吉利海峡
English Channel
strait : 指短而窄的海峡
channel : 指比strait长而宽的海峡
The ancient sea routes travelled by Zheng He are being revisited with the 21st Century Maritime Silk Road, which is part of the Belt and Road Initiative.
9. maritime / m r ta m/ adj. 海的，海运的，海事的
同根词：
marine
海产的，海生的
The ancient sea routes travelled by Zheng He are being revisited with the 21st Century Maritime Silk Road, which is part of the Belt and Road Initiative.
The aim of this initiative is to encourage cooperation and trade across the historic Silk Road areas, and strengthen the bonds between China and the rest of the world.
n. 8. a bond between... and …之间的关系
v. bond with sb. 和…紧密联系
10. maritime adj. 海的，海运的，海事的
同根词：
marine
海产的，海生的
11.bond
/b nd/
n.纽带;关系 vt.＆vi.增强信任关系;使牢固结合
make a bond 结成关系
the bond between A and B A和B之间的纽带/关系
v. bond with sb. 和…紧密联系
at hand 近在手边；在附近
by hand 手工；用手
hand in hand 手拉手；齐头并进
give/lend sb. a hand 帮助某人
hand in 上交 hand out 分发
12. in hand 在手头；可供使用
13. politics/ p l t ks / n.政治；政治观点
→ adj. 政治的
→ n. 政治家
political (XB4U2)
politician
14.profession/pr fe n/ n.职业；行业
→ adj. 职业的，专业的
professional
同根词 professor
教授
14. mixture/ m kst (r) / n. 混合；结合体； 混合物
a mixture of ...的混合
a mixture of emotions
百感交集
→ adj. 混合的
mixed
mix v. 混合；调配；交往；相处
mix sth. with/and sth. 把...和...混合在一起
mix with sb. 与某人交往/相处
I have got used to mixing with exchange students from different countries.
mix up 弄乱；混淆
I’m sorry that I have mixed up all the application forms.
15. press conference
记者招待会；新闻发布会
press [pres]
v.按；压；强调；坚持；逼迫
n.报道；评论；出版社；记者；新闻工作者
conference [ k nf r ns] =meeting =session
n.（尤指大型、正式的）会议
conferee n. 参加会议者
16. coverage [ k v r d ] n. 新闻报道；覆盖范围
news/media coverage 新闻/媒体报道
insurance coverage 保险范围
forest coverage 森林覆盖率
cover v.覆盖；掩饰；涉及；报道；足以支付
discover v.发现
uncover v.揭开
recover v.恢复
covered adj.有顶的；有一层覆盖物的
17. applaud / pl d / v. 鼓掌；称赞
applaud sb. 为某人鼓掌
applaud sb. for doing sth. 因做某事赞扬某人
我赞扬他有勇气面对如此大的挑战。
I applauded him for having the courage to face such big challenges.
→ n. 鼓掌；喝彩
applause
the thunderous applause 雷鸣般的掌声
a storm of applause 暴风雨般的掌声
1. They greeted him with thunderous _______（applaud）.
2. The crowd stood ______ (applaud) the scientists for their important sea research work.
3. They rose to applaud the speaker _____ her excellent speech.
applause
to applaud
for
19. submersible / s b m s bl / n.潜水器；可潜船
前缀sub 表示“下、次、副、接近”等意义
subway n. 地铁 subtitle n. 副标题
man vt．给……配置(人员)；操纵(机器等)；在……岗位上
n．男人；人类
a manned spaceship 载人宇宙飞船
18. manned / m nd / adj.有人控制的；需人操纵的
20.underwater / nd w t (r)/ adv.在水下；adj.水下的
underwear n.内衣；贴身衣物
underground adj.&adv. 在地面下（的） n. (英)地铁
22. coral / k r l / n. 珊瑚
seaweed n.海草 dolphin n.海豚 starfish n.海星
whale n.鲸鱼 shark n.鲨鱼
seashell n.海贝 turtle n .海龟 gull n.海鸥
21. capsule /'k psju:l/ n.胶囊；太空舱
23.migration / ma ɡre n / n.迁移；迁徙；移居
反义词：immigration n.移民入境；移民
migrate v.迁徙；移居 反义词：immigrate v.迁入（某国或地区）
26. meanwhile/ mi nwa l / adv.与此同时；对比之下
direct adj.直接的；笔直的 adv.直接地；径直地 v.指导；管理；导演
director n.导演；主任；主管；负责人
direction n.方向；（电影导演的）指点；（电影导演的）指示
25. directory / d rekt ri / n.名录；电话号码簿；(计算机文件或程序的)目录
27. exploit / k spl t/ vt. 开发；利用；剥削
exploitation n. 开发；利用；剥削
= in the meantime = at the same time
28. murder / m d (r)/ vt.谋杀；凶杀；毁坏
n.谋杀；凶杀
murderer n.谋杀犯
29. mercy[ m si] n. 仁慈; 宽恕; 恩惠
People often show mercy to those who are worth forgiving.
人们常常对那些值得原谅的人表示怜悯。
Having lost the engine’s power, the boat was now at the mercy of the wind.
发动机坏了,这艘船现在任由大风摆布。
单句语法填空
①The little ship was the mercy of the terrible storm.
②The (mercy) man saved him from death,for which he was grateful.
③The policemen shot the crocodile mercy.
完成句子
④They (对……表示怜悯) their neighbour for he suffered a lot.
at
merciful
without
had mercy on/showed mercy to
30. possession[p ze n] n. (pl.)个人财产
n. 拥有；具有
take possession of 拥有；占有；取得（强调动作)
(be) in possession of 拥有...（主语为人）
(be) in the possession of 归...所有（主语为物）
possess vt.拥有;具有(特质)
单句语法填空
①The result is that we throw away useless (possess) to make room for new ones.
②At last they were possession of a house of their own in a big city.
一句多译
这个老人拥有一家大公司。
③The old man is a large company.
④A large company is the old man.
possessions
in
in possession of
in the possession of
31. opponent
/ p n nt/
n.反对者;对手;竞争者
同义词：competitor ；rival
32. log
/l ɡ/
vt. 把…载入正式记录;记录
n.正式记录;日志;原木
log-logged-logged
log in/on 登录，进入
log out/off 退出；注销（计算机系统）
I forgot the password to log in. 我忘记了登录密码。
33. arrest n. 逮捕;拘留;中止
vt. 逮捕;拘留;阻止
完成句子
①The man was arrested (因违法).
②After the match three youths (被逮捕).
③The bright colours of the flowers .(吸引了那姑娘的注意).
for breaking the law
got arrested
arrested the girl’s attention
Thank you
SEA EXPLORATION
Unit 3
1.tale /te l/ cn. 故事；叙述
童话故事
fairy tale
However, merchants and explorers from the East set sail from east to west many years before Columbus first did.
merchant / m t nt/ n. 商人，批发商
adj. 海上货运的
sail n. 帆 v. 航行；驾驶；起航
sail for = set sail for 起航前往
→ n. 帆船运动，驾船航行；航班
→ n. 水手；海员
sailing
sailor
set off 出发 , 使爆炸
set out to do = set about doing 开始着手做
set down 写下;记下;放下;让某人下车
set aside = put aside 把…放一边
set up =establish = found =建立
3.extend[ k'stend] vt.扩展，使伸长，延长
There are plans to extend the no-smoking area.
现已有扩大无烟区的计划。
By popular demand,the tour has been extended by two weeks.
应大家要求,这次旅游延长了两周。
On behalf of the organiser, I wish to extend a warm welcome to you.
我谨代表活动主办方,对各位的到来表示热烈的欢迎。
归纳拓展
extend to...(使)达到,伸展到
extend by...延长了……
extension n.延伸;扩大;延期
extensive adj.广阔的;大量的;广泛的
extensively adv.广大地;广泛地
单句语法填空
① There is a proposal to extend the road the next village.
②He first entered Britain on a six-month visa,and was given a further (extend) of six months.
to
extension
4.negotiate [n ɡ ie t] vt. 商定，达成（协议）;
vi.协商，谈判
negotiate (with sb.) about/for sth.
就某事和某人谈判
You have to negotiate with the locals for a better price to buy what you need.
→ n. 谈判；磋商；协商
(be) in negotiation with sb. 与某人协商
under negotiation 在协商中
negotiable adj.可协商的;可讨论的
negotiation
5. behold
/b h ld/
vt. ( beheld, beheld )
看;看见
beholder n. 旁观者；观看者
6. royal / r l/
adj.皇家的，王室的，高贵的；盛大的
a royal welcome 盛大的欢迎
→ n. 王室
royalty
形近词 loyal
adj.忠诚的 → loyalty n.忠诚
7. spice
/spa s/
n.(调味)香料
spicy adj. 辛辣的= peppery
2. set sail 起航；开航
set sail from/for...自......起航/起航去......
The three men built a small boat so that they could set sail for France at high tide.
这三个男人造了一只船，以便在涨潮时起航前往法国。
8. withdraw[w dr ] v. 撤回；撤离；提取
(withdrew-withdrawn)
A leg injury forced him to withdraw from the competition.
腿部受伤使他不得不退出比赛。
He withdrew his remarks and explained what he had meant to say.
他收回了所说的话,并且解释了他本来想说什么。
He withdrew some money from the bank and paid the electricity fee.
他从银行里提取了现金,交了电费。
单句语法填空
①Because of his injured feet,he had to withdraw the football match.
②Due to some reasons,the company makes the (withdraw) of a product from the market.
③Touching the surface of the hot pot,the little girl (withdraw) her hands immediately and let out a cry.
完成句子
④I went to the bank (提取一些现金) to buy a birthday present for my mother.
from
withdrawal
withdrew
to withdraw some money
1.extend vt.扩展;使伸长;延长→ n.延伸;扩大;延期→
adj.广阔的;大规模的
2.negotiate vt.商定;达成(协议) vi.谈判;磋商;协商→ n.谈判;协商→ adj.可协商的;可谈判的
3.politics n.政治;政治观点→ adj.政治(上)的→ adv.政治上
4.profession n.职业;行业→ adj.职业的;专业的→ .adv.职业地;专业地→ n.教授;(大学的)讲师
5.mixture n.混合;结合体;混合物→ vt.混合;混淆→ adj.混合的;混杂的
6.coverage n.新闻报道;覆盖范围→ vt.覆盖;报道
7.applaud vt.& vi.鼓掌 vt.称赞;赞赏→ n.鼓掌;喝彩
extension
extensive
negotiation
negotiable
political
politically
professional
professionally
professor
mix
mixed
cover
applause
9. channel [ t nl] n. 航道；海峡；频道
电影频道
movie channel
英吉利海峡
English Channel
strait : 指短而窄的海峡
channel : 指比strait长而宽的海峡
The ancient sea routes travelled by Zheng He are being revisited with the 21st Century Maritime Silk Road, which is part of the Belt and Road Initiative.
9. maritime / m r ta m/ adj. 海的，海运的，海事的
同根词：
marine
海产的，海生的
The ancient sea routes travelled by Zheng He are being revisited with the 21st Century Maritime Silk Road, which is part of the Belt and Road Initiative.
The aim of this initiative is to encourage cooperation and trade across the historic Silk Road areas, and strengthen the bonds between China and the rest of the world.
n. 8. a bond between... and …之间的关系
v. bond with sb. 和…紧密联系
10. maritime adj. 海的，海运的，海事的
同根词：
marine
海产的，海生的
11.bond
/b nd/
n.纽带;关系 vt.＆vi.增强信任关系;使牢固结合
make a bond 结成关系
the bond between A and B A和B之间的纽带/关系
v. bond with sb. 和…紧密联系
at hand 近在手边；在附近
by hand 手工；用手
hand in hand 手拉手；齐头并进
give/lend sb. a hand 帮助某人
hand in 上交 hand out 分发
12. in hand 在手头；可供使用
13. politics/ p l t ks / n.政治；政治观点
→ adj. 政治的
→ n. 政治家
political (XB4U2)
politician
14.profession/pr fe n/ n.职业；行业
→ adj. 职业的，专业的
professional
同根词 professor
教授
14. mixture/ m kst (r) / n. 混合；结合体； 混合物
a mixture of ...的混合
a mixture of emotions
百感交集
→ adj. 混合的
mixed
mix v. 混合；调配；交往；相处
mix sth. with/and sth. 把...和...混合在一起
mix with sb. 与某人交往/相处
I have got used to mixing with exchange students from different countries.
mix up 弄乱；混淆
I’m sorry that I have mixed up all the application forms.
15. press conference
记者招待会；新闻发布会
press [pres]
v.按；压；强调；坚持；逼迫
n.报道；评论；出版社；记者；新闻工作者
conference [ k nf r ns] =meeting =session
n.（尤指大型、正式的）会议
conferee n. 参加会议者
16. coverage [ k v r d ] n. 新闻报道；覆盖范围
news/media coverage 新闻/媒体报道
insurance coverage 保险范围
forest coverage 森林覆盖率
cover v.覆盖；掩饰；涉及；报道；足以支付
discover v.发现
uncover v.揭开
recover v.恢复
covered adj.有顶的；有一层覆盖物的
17. applaud / pl d / v. 鼓掌；称赞
applaud sb. 为某人鼓掌
applaud sb. for doing sth. 因做某事赞扬某人
我赞扬他有勇气面对如此大的挑战。
I applauded him for having the courage to face such big challenges.
→ n. 鼓掌；喝彩
applause
the thunderous applause 雷鸣般的掌声
a storm of applause 暴风雨般的掌声
1. They greeted him with thunderous _______（applaud）.
2. The crowd stood ______ (applaud) the scientists for their important sea research work.
3. They rose to applaud the speaker _____ her excellent speech.
applause
to applaud
for
19. submersible / s b m s bl / n.潜水器；可潜船
前缀sub 表示“下、次、副、接近”等意义
subway n. 地铁 subtitle n. 副标题
man vt．给……配置(人员)；操纵(机器等)；在……岗位上
n．男人；人类
a manned spaceship 载人宇宙飞船
18. manned / m nd / adj.有人控制的；需人操纵的
20.underwater / nd w t (r)/ adv.在水下；adj.水下的
underwear n.内衣；贴身衣物
underground adj.&adv. 在地面下（的） n. (英)地铁
22. coral / k r l / n. 珊瑚
seaweed n.海草 dolphin n.海豚 starfish n.海星
whale n.鲸鱼 shark n.鲨鱼
seashell n.海贝 turtle n .海龟 gull n.海鸥
21. capsule /'k psju:l/ n.胶囊；太空舱
23.migration / ma ɡre n / n.迁移；迁徙；移居
反义词：immigration n.移民入境；移民
migrate v.迁徙；移居 反义词：immigrate v.迁入（某国或地区）
26. meanwhile/ mi nwa l / adv.与此同时；对比之下
direct adj.直接的；笔直的 adv.直接地；径直地 v.指导；管理；导演
director n.导演；主任；主管；负责人
direction n.方向；（电影导演的）指点；（电影导演的）指示
25. directory / d rekt ri / n.名录；电话号码簿；(计算机文件或程序的)目录
27. exploit / k spl t/ vt. 开发；利用；剥削
exploitation n. 开发；利用；剥削
= in the meantime = at the same time
28. murder / m d (r)/ vt.谋杀；凶杀；毁坏
n.谋杀；凶杀
murderer n.谋杀犯
29. mercy[ m si] n. 仁慈; 宽恕; 恩惠
People often show mercy to those who are worth forgiving.
人们常常对那些值得原谅的人表示怜悯。
Having lost the engine’s power, the boat was now at the mercy of the wind.
发动机坏了,这艘船现在任由大风摆布。
单句语法填空
①The little ship was the mercy of the terrible storm.
②The (mercy) man saved him from death,for which he was grateful.
③The policemen shot the crocodile mercy.
完成句子
④They (对……表示怜悯) their neighbour for he suffered a lot.
at
merciful
without
had mercy on/showed mercy to
30. possession[p ze n] n. (pl.)个人财产
n. 拥有；具有
take possession of 拥有；占有；取得（强调动作)
(be) in possession of 拥有...（主语为人）
(be) in the possession of 归...所有（主语为物）
possess vt.拥有;具有(特质)
单句语法填空
①The result is that we throw away useless (possess) to make room for new ones.
②At last they were possession of a house of their own in a big city.
一句多译
这个老人拥有一家大公司。
③The old man is a large company.
④A large company is the old man.
possessions
in
in possession of
in the possession of
31. opponent
/ p n nt/
n.反对者;对手;竞争者
同义词：competitor ；rival
32. log
/l ɡ/
vt. 把…载入正式记录;记录
n.正式记录;日志;原木
log-logged-logged
log in/on 登录，进入
log out/off 退出；注销（计算机系统）
I forgot the password to log in. 我忘记了登录密码。
33. arrest n. 逮捕;拘留;中止
vt. 逮捕;拘留;阻止
完成句子
①The man was arrested (因违法).
②After the match three youths (被逮捕).
③The bright colours of the flowers .(吸引了那姑娘的注意).
for breaking the law
got arrested
arrested the girl’s attention
Thank you