高中英语人教版 (2019)选择性必修 第四册Unit 3 Sea Exploration完美版课件ppt

这是一份高中英语人教版 (2019)选择性必修 第四册Unit 3 Sea Exploration完美版课件ppt，文件包含Unit3ReadingandThinking课件pptx、P26mp3、新人教课文视频选必四Unit3ReachingoutacrosstheSea-1ReachingOutAcrosstheSeaAv384406135P1mp4等3份课件配套教学资源，其中PPT共26页， 欢迎下载使用。

UNIT 3 SEA EXPLORATION
They (ceans) prvide a breeding grund fr life, cnnect the wrld and prmte develpment. --- Xi Jinping
海洋孕育了生命，联通了世界，促进了发展。 ---习近平
The imprtance/value/significance f the sea explratin
Reading and Thinking---Learn abut sea explratin(P26)
Lk at the title and skim the text.
What type f essay is it?A. A narrative(叙事性的) essay.B. A descriptive(描述性的) essay.C. An expsitry(说明性的) essay.D. An argumentative(议论性的) essay.
Read fr text type
① A narrative essay is a stry with a beginning, middle and end.② A descriptive essay descirbes a subject and lists interesting details.③ An expsitry essay is factual, giving infrmatin n a subject.④ An argumentative essay aims t cnvince the reader.
Fur Types f Essay
Skim the passage and then tell the main idea f each paragraph.
Read fr main idea
Travel frm _____ t _____ began lng befre Clumbus.
In ancient times, travel frm east t west was n ___ ____ ____.
______ ___ ___ _______ built relatins with ther cuntries.
The 21st Century Maritime Silk Rad has encuraged __________ and ____________ ____ _____ between China and the rest f the wrld.
China is als jining with ther cuntries n ther _________ _______.
China will cntinue t explre the sea and _______ __________ with ther cuntries.
east west
the Silk Rad
Zheng He’s sea vyages
strengthened the bnds
imprtant prjects
enhance relatinships
The text mainly talks abut ______________ in the past and nw. As time went by, sme explrers reached acrss the sea in rder t strengthen the bnds between ______________________________.
sea explratin
China and the
What's the main idea f the text?
rest f the wrld
Hw is the passage develped?
A. time sequence B. prblem and slutinC. cmpare and cntrast D. cause and effect
What is intrduced in each explratin?
Result/ Purpse
in ancient times
in Ming Dynasty
in the future
in recent years
Read fr details
in the Ming Dynasty
far int the future
Purpse/ Significance
China, India, the Middle East, Rme, the casts f the Indian Ocean and Sri Lanka
the Suth China Sea, the Indian Ocean, the muth f the Red Sea, the east cast f Africa
the ancient sea rutes travelled by Zheng He, the Belt and Rad Area
China, the Arctic
1. t ________ trade deals; 2. be mre aware f each ther’s _________.
t further ________ relatins
1. t encurage __________ and trade;2. t strengthen the ________;3. t develp the whle area fr the benefit f future trade and _______ _______.
t trade and ________relatinships
t understand __________________and its effects
cultural exchange
climate change
Scan the text and fill in the table with the crrect names.
the Silk Rad
African ryal families
the Ming Dynasty
Read fr thinking
Think and discuss.1) What benefits can we get frm reaching ut acrss the sea?2) Thrugh sea explratin, what prblems can it cause?
Read fr language
从……中退出 / 撤回
从...角度/观点看 
1. A trading rute acrss the sea was als extended alng the casts f the Indian Ocean, centred arund Ceyln (nw Sri Lanka). (Para. 2)2. The ancient sea rutes travelled by Zheng He are being revisited with the 21st Century Maritime Silk Rad, which is part f the Belt and Rad Initiative. (Para. 4)3. Althugh the ancient sea rutes f Zheng He have been travelled many times, there are still many ther places left t explre. (Para. 5)4. Over the centuries, further trading allwed mre explratin f the regins t the west f China, as recrded in Du Huan’s Recrd f My Travels in the eighth century. (Para. 2)
Translate the fllwing sentences.
5. African ryal families sent gifts such as giraffes as gestures f friendship in return fr gld, silk, and spices. (Para. 3)6. The aim f this initiative is t encurage cperatin and trade acrss the histric Silk Rad areas, and strengthen the bnds between China and the rest f the wrld. (Para. 4)7. Frm a scientific pint f view, there is an urgent need t study the Arctic in rder t understand climate change and its effects. (Para. 5)
1. A trading rute acrss the sea was als extended alng the casts f the Indian Ocean, centred arund Ceyln (nw Sri Lanka). (Para. 2)2. The ancient sea rutes travelled by Zheng He are being revisited with the 21st Century Maritime Silk Rad, which is part f the Belt and Rad Initiative. (Para. 4)
以锡兰（今斯里兰卡）为中心的一条横跨海洋的贸易路线沿印度洋海岸延伸。
作为“一带一路”倡议的组成部分，“21世纪海上丝绸之路”让郑和曾经走过的古代海上航线再度受到关注。
3. Althugh the ancient sea rutes f Zheng He have been travelled many times, there are still many ther places left t explre. (Para. 5)4. Over the centuries, further trading allwed mre explratin f the regins t the west f China, as recrded in Du Huan’s Recrd f My Travels in the eighth century. (Para. 2)
尽管郑和的古代海上路线已经重走很多次了，但仍有许多其他地方有待探索。
几个世纪间，随着贸易的发展，对中国以西地区的探索增多了，这些在八世纪杜环所著的《经行记》一书中有所记载。
4. Over the centuries, further trading allwed mre explratin f the regins t the west f China, as recrded in Du Huan’s Recrd f My Travels in the eighth century. (Para. 2)
以下两种解释都可接受：第一,把as看作关系代词, 指代后面整个主句的内容, as是定语从句的主语,后面省略了is。因此,as recrded等于as is already recrded。第二, 把as看作从属连词,引导方式从句,意为“像……那样”,as之后省略了it is,it指代整个主句的内容。因此,as recded等于as it is recrded。
能用于此句式的动词，一般都是“陈述、叙述、描述、提及、说及、显示、指出”之类的词，多用于议论文体，是带有总结性的提示语。
as already said2. as already mentined 3. as already described4. as already discussed 5. as already nted6. as already stated 7. as already annunced8. as already pinted ut 9. as already indicated10. as already hinted 11. as already tld12. as already shwn13. as already emphasized14. as already bserved 15. as already explained16. as already suggested
非洲王室赠送长颈鹿等礼物以示友好，同时也是作为他们获得黄金、丝绸和香料的回赠。
这项倡议旨在鼓励横跨历史悠久的丝绸之路地区的合作与贸易，同时加强中国与世界其他地区之间的联系。
从科学角度看，迫切需要研究北极，以了解气候变化及其影响。