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

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ppt课件，共21页。

Reaching ut Acrss the Sea
Trade and curisity have ften frmed the fundatin f mankind's greatest achievements. T 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. Hwever, merchants and explrers frm the East set sail frm east t west many years befre Clumbus first did.
1 frm/lay the fundatin f... 为打下基础 Tu Yuyu ___________________________________f her success by hard wrk and perseverance.
laid/frmed the fundatin
Hwever, merchants and explrers frm the Eastset sail frm east t west many years befreClumbus first did.
句意：然而，来自于东方的商人和探险家比哥伦布从东向西航行早了许多年。
set sail 起航；开航 set sail fr ...起航前往...
高考结束后，我们将告别彼此并启航驶向未知的未来。After the Cllege Entrance Examinatin,we will bid farewell t each ther and ___________________.
set sail fr an unknwn future
set ut动身，出发，开始+t d sthset abut (ding)开始做某事，攻击set ff 出发，动身,引爆set apart 分开，区别set aside 放置一旁，不理会，留出set dwn 记下，（使）放下/坐下set back向后移，推迟，拨慢（钟表）
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. A trading rute acrss the sea was als extended alng the casts f the Indian Ocean, centred arund Ceyln (nw Sri Lanka). Here, merchants frm China and many ther places met t negtiate trade deals, which als led t mre awareness f each ther's cultures. 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.
句意：在古代，中国丝绸经由一条陆路运到印度、中东和罗马，这条路就是有名的“丝绸之路”。
In ancient times, silk frm China fund its wayverland t India, the Middle East, and Rme, alng what became knwn as the Silk Rad.
what 引导名词性从句
什么的人/事/物/地方
1. He has gt what he wants .2. The girl is n lnger what she used t be.
3.After what seemed like hurs he came ut with a bitter smile.
表示“……的人或的样子
表示“……的东西或事情”
似乎过了几个小时他才苦笑着出来。
4. In 1492, Clumbus reached what is nw called America.
1492年哥伦布到达了现在所称的美洲大陆。
I was amazed by the size f Zheng He’s treasure ship.
What amazed me was the size f Zheng He’s treasure ship.
Zheng He was brn in the regin which is nw Yunnan prvince t Muslim parents.
用what 引导的名词性从句改写句子。
Zheng He was brn what is nw Yunnan prvince t Muslim parents.
A trading rute acrss the sea was als extended alng the casts f the Indian Ocean, centred arund Ceyln (nw Sri Lanka).
extend vt.扩展；使伸长；延长 vi.延伸 ，扩展，持续
Yngle Emperr tried t ______________________ beynd the brders by sending seven maritime expeditins.永乐帝尽力想要通过七次海上探险将中国的影响力延伸到版图之外。
extend China’s influence
. We decided t _______________ by anther day.我们决定将访问延长一天。
extend ur visit
Here, merchants frm China and many therplaces met t negtiate trade deals, which als ledt mre awareness f each ther’s cultures.
句意：在这里，来自中国和许多其他地方的商人聚集在一起谈判贸易协议，这也使人们更加了解彼此的文化。
negtiate vt. 商定；达成（协议） vi. 谈判；磋商；协商negtiate abut (fr) sth. 就某事进行交涉negtiate with sb. 与某人进行交涉（以达成协议）
1. The gvernment will nt negtiate ____ terrrists.2. The tw cuntries are negtiating ______ a peaceful settlement.
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.
as recrded 是过去分词作方式状语，是as (it is ）recrded 的省略。
用于此句式的这类动词，多是“计划，想象，预料，叙述，描述，提及，说及，显示，指出”之类的词，常见的还有：as expected 正如预料的那样as imagined 正如想象的那样as arranged/planned 正如计划的那样as seen frm abve 正如从上述看的那样as said befre正如说过的（那样）as mentined 正如提到的（那样）
Practice :1. This explanatin turned ut t be a mess __________________.这个解释如所预料的变成了一团糟。2. The building f the new bridge will g ahead______________.新桥的修建将会按计划进行。
as expected
as planned
3. _____________ in tales,a mermaid is a beautiful wman with a fish tail.按照故事里描写的，美人鱼是长着鱼尾巴的美丽女子。
As described
Later, the Ming Dynasty further develped relatins with these regins. Between 1405 and 1433, seven large fleets sailed west n vyages f trade and explratin. These fleets were a sight t behld and were in a league f their wn at that time. Under 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. African ryal families sent gifts such as giraffes as gestures f friendship in return fr gld, silk, and spices. Althugh China withdrew frm further expeditins after 1433, these land and sea rutes remained active channels between ther cultures fr centuries.
6.a sight t behld ________________ 7 .be in a league f ne’s wn___________ 拓展 ：in league with…与联盟 ut f ne’s league难度太大，不适合8 .under the cmmand f________________
The night scene f cherry blssms alng the river is_______________.
a sight t behld
An expensive car isstill _______________.
ut f my league
cmmand 的用法：
1 ）用作名词n. 命令，指挥；司令部，指挥部；[计算机]指令；控制力)
The army is under the king's direct cmmand.军队由国王直接统帅。
under ne’s cmmandunder the cmmand f sb由……指挥/统帅
He has a gd cmmand f French.他的法文很好。
have a gd cmmand f精通/擅长
The general issued a cmmand that all f them shuld cme at six 'clck.将军颁布了一道命令,所有的人都要在六点钟到。
issue a cmmand 发布命令
2） cmmand用作动词： vt. 指挥，控制，命令；命令 vi. 给出命令；命令，指令；
cmmand 后接宾语从句时，需用虚拟语气：sb. +（shuld）+动词原形。
同义转换：I cmmand him t g at nce.I cmmand that__________________.翻译：He was tld t cmmand his temper.
he (shuld) g at nce
他被告知要控制自己的脾气。
Althugh China withdrew frm further expeditins after 1433, these land and sea rutes remained active channels between ther cultures fr centuries.
句意：尽管1433年后中国停止了进一步的探索，但在随后的几个世纪，这些陆地和海洋路线仍是与其他文化之间的活跃通道。
withdraw vi.&vt. （使）撤回；撤离 (withdrew, withdrawn)withdraw frm sth. 退出；离开；从……提取
例：一直有人呼吁英国退出欧盟。There have been calls fr Britain t ___________ the EU.
withdraw frm
China has als jined its friends acrss the sea n ther imprtant prjects. Althugh the ancient sea rutes f Zheng He have been travelled many times, there are still many ther places left t explre. In recent years, China has jined ther natins n several expeditins t explre the Arctic. Frm a scientific pint f view, there is an urgent need t study the Arctic in rder t understand climate change and its effects.
Hundreds f years n, and 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.
10 …there are still many ther places left t explre.
结构：“there be＋名词＋非谓语动词作定语”
1）There are many yung peple _______(wrk)in the fields.2）There were ten peple______(kill) in the accident.3）There was nbdy _________ (lk)after the kid.
现在分词作定语表主动进行
过去分词分词作定语表被动完成
不定式作定语表动作未发生
有时过去分词也可表状态。
There were sme ld man seated in the back.
11 Frm a scientific pint f view, there is an urgent need t study the Arctic in rder t understand climate change and its effects.
There is an urgent need ____qualified teachers in pr areas.
There is an urgent need fr sth/sb急需某物/某人 There is an urgent need t d sth急需做某事
There is an urgent need__________(cntrl)the sale f private guns in America .
句意：几百年过去了，在掌握了最新技术的情况下，贸易的需要和增进关系的愿望将推动中国跨越海洋走向遥远的未来。
in hand 在手头；可供使用
例：I still have sme mney __ hand.
【拓展】hand相关短语