2021学年Unit 3 Sea Exploration授课ppt课件

这是一份2021学年Unit 3 Sea Exploration授课ppt课件，共21页。PPT课件主要包含了读 前 清 障，语 篇 理 解等内容，欢迎下载使用。
The immense cean is the cradle f life. 浩瀚的海洋是生命的摇篮。
Ocean Explratin Changed Human Histry—And the Stry Started Centuries Befre Christpher Clumbus　　One f humanity’s greatest achievements has been mastering rutes acrss the wrld’s ceans.Cmmunities separated by thusands f miles have been brught int cntact and religius ideas have spread acrss the waters，①while artistic creativity has been spurred n by the experience f seeing the prducts f different civilizatins.Custms have been decisively(果断地) altered(改变) by the mvement f ships acrss the ceans.N ne drank tea in medieval Eurpe，but nce cntact had been made with the tea-drinking Chinese，tea became the bsessin f millins f peple frm Sweden t the United States—tea is part f the funding histry f the United States，as the Bstn Tea Party reveals.
　　We tend t think that the pening f the ceans was the wrk f the great explrers，especially the 15th century pineers②wh edged their way thrugh uncharted waters t suthern Africa，the Indian Ocean and the spice lands f the Indies.These were sailrs such as Christpher Clumbus and scres f merchants wh fllwed in their wake，taking full advantage f new knwledge abut the pen cean t develp trade links acrss the wrld that were the precursrs f mdern glbalizatin.These were the peple wh really mastered the ceans and brught the cntinents int cntact.
　　In the 21st century，hwever，new factrs have changed entirely the way gds are carried acrss the seas，even thugh ver 90% f wrld trade is carried n ships.Cntainer ships carry many thusands f cntainers.Business is cnducted n a scale that utterly dwarfs(使相形见绌) that f even 20 years ag，transfrming a familiar wrld.And yet，thrugh trade and cultural exchange，the seas cntinue t cnnect even the mst distant lands.
①Very sn the children were busy ppping the crn，while their mther went ut t buy the paper bags.(2020·新高考全国Ⅰ，书面表达)②As a student wh has learned Chinese painting since 5 years ld，I am very pleased t have an pprtunity t intrduce Chinese paintings t freigners.(2019·全国Ⅰ，书面表达)
语篇理解 精读演练 萃取文本精华
读前清障 识记单词 快速顺畅阅读
Perid One　Reading and Thinking—Cmprehending
识记单词 快速顺畅阅读
品句猜词——请预读下列课文原句，并猜测句中加颜色词汇的意思。
1.Hwever，merchants and explrers frm the East set sail frm east t west many years befre Clumbus first did.　　 __________2.A trading rute acrss the sea was als extended alng the casts f the Indian Ocean，centred arund Ceyln(nw Sri Lanka). ____________3.Here，merchants frm China and many ther places met t negtiate trade deals，which als led t mre awareness f each ther’s cultures.________________
4.Althugh China withdrew frm further expeditins after 1433，these land and sea rutes remained active channels between ther cultures fr centuries. ______________ ____5.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. __________
(使)撤回；撤离　航道
精读演练 萃取文本精华
Step 1　Fast-reading
1.What’s the main idea f the passage?A.The stries f explratin f change f the cean explratin changed human histry.
2.Read the passage and match the main idea f each paragraph.Para.1　A.The future f China t reach ut acrss the sea.Para.2 B.The meaning f trade and curisity.Para.3 C.The ancient Silk Rad.Para.4 D.The Ming Dynasty’s relatins with sme regins.Para.5 E.The ancient sea rutes revisited.Para.6 F.The aim f the Belt and Rad Initiative.Para.7 G.The ther Chinese imprtant prjects.
Step 2　Careful-reading
Read the passage carefully and chse the best is the meaning f reaching ut acrss the sea? all.
2.What’s the difference between the ancient Silk Rad and the Ming Dynasty Silk Rad?A.Trade f the rutes f the land and the sea.
3.What type essay is this text?A.A narrative(叙事性的) essay.B.A descriptive(描述性的) expsitry(说明性的) argumentative(议论性的) essay.
Step 3　Pst-reading
After reading the passage，please fill in the fllwing blanks.　　Trade and curisity have ften frmed the fundatin f mankind’s greatest achievements.1.　　　　　(merchant) and explrers frm the East set sail frm east t west many years befre Clumbus first did.　　In ancient times，silk frm China fund its way alng 2.　　　 became knwn as the Silk Rad，3.　　　　　　(extend) alng the casts f the Indian Ocean，centred arund Ceyln.Here，merchants frm China and many ther places met t negtiate trade deals，4. als led t mre awareness f each ther’s cultures.
　　Later，the Ming Dynasty sent seven large 5.　　　(fleet) t sail west n vyages f trade and explratin.6. the cmmand f Zheng He，they set sail frm the Suth China Sea acrss the Indian Ocean t the muth f the Red Sea，and then t the east cast f Africa.Althugh China 7.____________(withdraw) frm further expeditins after 1433，these land and sea rutes remained active channels between ther cultures fr centuries.
　　T reach ut acrss the sea 8. (remain)a strng desire tday.The aim f the Belt and Rad Initiative is t encurage cperatin and trade acrss the histric Silk Rad areas，and 9. (strength) the bnds between China and the rest f the wrld.China has invested billins in systems and services alng these rutes.China has als jined its friends acrss the sea n ther imprtant prjects.The need t trade and the desire t enhance relatinships will drive China 10. (reach) ut acrss the sea far int the future.
Step 4　Sentence-learning
1.T cmplete the great map f the wrld was a strng passin fr the peple f early civilisatins.[句式分析]　该句为一个主系表结构的简单句。T cmplete the great map f the wrld为 作主语。[自主翻译]　
完成这幅伟大的世界地图对早期文明的人们来说是一种强烈的激情。
2.In ancient times，silk frm China fund its way verland t India，the Middle East，and Rme，alng what became knwn as the Silk Rad.[句式分析]　该句为复合句。主干部分是silk frm China fund its way为主谓宾结构。what became knwn as the Silk Rad为 从句，作介词alng的 。[自主翻译]　
在古代，来自中国的丝绸沿着后来被称为“丝绸之路”的路线，经由陆路传到印度、中东和罗马。
3.China has invested billins in systems and services alng these rutes，which will help t greatly develp the whle area fr the benefit f future trade and cultural exchange.[句式分析]　此句是复合句， 引导一个非限制性定语从句，修饰前面整个句子。[自主翻译]　
中国已经在这些路线沿线的系统和服务上投资了数十亿美元，这将有助于整个地区的极大发展，有利于未来的贸易和文化交流。