高中英语人教版 (2019)选择性必修 第四册Unit 3 Sea Exploration教案配套课件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教案配套课件ppt，共60页。PPT课件主要包含了课前自主预习，Ⅰ猜词意，课文语篇研读，课堂新知讲练，◇词汇拓讲，用法详解，◇句式解读，随堂知能小练等内容，欢迎下载使用。

A．(使)撤回；撤离B．等级；水平；联合会；联赛C．航道；海峡；频道D．纽带；关系；增强信任关系；使牢固结合E．商人；批发商；海上货运的
1．Change the channel — there are t many cmmercials.(　　)2．Cmmn interests frmed a bnd between us.(　　)3．The Spurs is meant t be ne f the tp teams in the league.(　　)4．Yu can withdraw mney frm the accunt at any time withut penalty.(　　)5．He bargained with the merchant fr an hur befre he bught the blanket.(　　)【答案】1．C　2．D　3．B　4．A　5．E
Ⅱ.猜单词拼写1．extend vt.扩展；使伸长；延长→____________ adj.伸出的；伸展的；延长的；持续的(参考：disturb→disturbed)2．negtiate vt.商定；达成(协议) vi.谈判；磋商；协商→____________ n．协商，谈判(参考：examine→examinatin)【答案】1．extended　2．negtiatin
3．withdraw vi.& vt.(使)撤回；撤离→____________ n．收回；取回；撤回；撤退；撤走(参考：dismiss→dismissal)4．ryal adj.皇家的；王室的；高贵的→____________ n．王室；王权(参考：cruel→cruelty)【答案】3．withdrawal　4．ryalty
Ⅲ.猜短语填空set sail fr；in a league f ne’s wn；withdraw frm；in hand；under the cmmand f；search fr1．Tell the men t depart frm their new psitin.＝Tell the men t ________________ their new psitin.【答案】1．withdraw frm
2．Fr ver 100 years，men have been lking fr gld in the hills.＝Fr ver 100 years，men have been _______________ gld in the hills.3．We made a great deal f mney，s we decided that it was time t set ff hme by ship.＝We made a great deal f mney，s we decided that it was time t________________________ hme.【答案】2．searching fr　3．set sail fr
4．The army is under General Smith’s cmmand.＝The army is ________________General Smith.5．While passengers lve t cmplain abut taxi drivers，the drivers f New Yrk take the lead.＝While passengers lve t cmplain abut taxi drivers，the drivers f New Yrk are ________________________.【答案】4．under the cmmand f5．in a league f their wn
6．Having enugh data t the fre，we can set ut t carry ut ur plan as scheduled.＝Having enugh data________________，we can set ut t carry ut ur plan as scheduled.【答案】6．in hand
Ⅰ.阅读课文，判断信息正误(　　)1．Clumbus’ stry inspired Eurpean explrers t find sea rutes frm west t east.(　　)2．The Silk Rad winds its way frm China t France and Britain.(　　)3．The large fleets frm the Ming Dynasty were mst pwerful in the wrld in thse days.【答案】1－3　FFF
(　　)4．The Belt and Rad is intended t encurage cperatin and trade between China and ther cuntries.(　　)5．There is still much fr us humans t study and explre n the earth.【答案】4－5　TT
Ⅱ.阅读课文，选择正确选项(　　)1．What did Marc Pl’s stry abut China result in?A．It inspired mre Westerners t travel t Beijing.B．It encuraged Eurpeans t find rutes t China by sea.C．It caused Westerners t travel t China by land.D．It increased Eurpeans’ interest in Chinese silk.【答案】B
(　　)2．Frm this text，we knw that the Silk Rad ______.A．is a land rute linking China and sme ther cuntriesB．is a sea rute frm China t India and ther cuntriesC．was started by Zheng He and his large fleetsD．was discvered by Eurpean explrers【答案】A
(　　)3．Frm the third paragraph，we can infer that ______.A．Zheng He was a very famus merchant in the Ming DynastyB．China bught much gld and spice frm African cuntriesC．shipping industry was much advanced in the Ming DynastyD．Zheng He was a very famus army fficer in the Ming Dynasty【答案】C
(　　)4．The Belt and Rad is intended t ________.A．make turism mre prsperus alng the Silk RadB．attract mre freign merchants t trade in ChinaC．present the great achievements we have madeD．encurage cperatin and trade alng the Silk Rad【答案】D
(　　)5．What des the authr intend t tell us in the last paragraph?A．Sea rutes are still imprtant fr China in the future.B．China still wants t wrk tgether with freign cuntries.C．China wants t d mre business with freign cuntries.D．Mre pen plicies will be carried ut in China in the future.【答案】A
Ⅲ.课文语法填空It is human being’s great passin t cmplete a map f the wrld in the histry.That’s why peple 1．________(inspire) t find sea rutes frm west t east.In the past，Western explrers 2．________(encurage) by Marc Pl’s stry abut China，wanted t find a sea rute t China.【答案】1．were inspired　2．encuraged
Merchants frm China als travelled t Western cuntries by sea rute，wh made their sea vyage much 3．________(early) than Clumbus ever set sail.Silk frm China fund its way by land t India，the Middle East and Rme alng 4．________ is nw knwn as the Silk Rad.Ancient Chinese 5．________(merchant) als discvered a rute by sea int the Indian Ocean.【答案】3．earlier　4．what　5．merchants
On their meetings，business peple frm 6．________(difference) cuntries negtiated their trade deals，7．________ resulted in a better 8．________(understand) f each ther’s cultures.Later n，Zheng He，frm the Ming Dynasty, set sail between 1405 and 1433，frm 9．________ Suth China Sea acrss the Indian Ocean and t the east cast f Africa.【答案】6．different　7．which　8．understanding　9．the
Nw，China has jined ther cuntries in many cean prjects fr the purpse f ding trade and 10．________(enhance) bnds with these cuntries.【答案】10．enhancing
1．set sail起航；开航(P26)Hwever，merchants and explrers frm the East set sail frm east t west many years befre Clumbus first did.【翻译】然而，来自东方的商人和探险家们从东向西航行比哥伦布早很多年。
set sail fr sp.起航/动身去某地
After a gd night’s sleep，they set sail again.好好地休息了一个晚上之后，他们又起航了。
[针对练习]完成句子(1)After supper，the sailrs _______________ in high spirits.晚饭过后，这些水手就情绪高昂地开船出发了。(2)Yesterday they ____________________________ Japan.昨天他们就起航去日本了。【答案】(1)set sail　(2)set sail fr
2．extend vt.扩展；使伸长；延长(P26)A trading rute acrss the sea was als extended alng the casts f the Indian Ocean，centred arund Ceyln (nw Sri Lanka).【翻译】一条横跨海洋的贸易路线也沿着印度洋海岸延伸，以锡兰(现在的斯里兰卡)为中心。
(1)extend的基本意思是增加时间或空间的长度，尤指范围的扩大，如权力、种类、影响或适用性等。其作此解时后接名词或代词作宾语。(2)extend还有“提供；给予”的意思。(3)常见搭配：extend sth.延伸(扩大)某物extend int延伸到某地内部
extend ver延期超过(多久时间)extend frm A t B 从A延伸到Bextend sth.t sb.给予某人某物extend fr延伸(多久、多远)(4)extended adj.伸出的；延长的；扩大的；扩大范围的；长期的(5)extensin n．延伸；扩展；展期；外延
It was kind f yu t extend an invitatin t us.感谢你对我们的邀请。Bilingualism’s effects als extend int the twilight years.双语能力的影响还会延续到暮年。The new territry wuld extend ver ne-fifth f Canada’s land mass.这块新领土将会使加拿大陆地面积扩展五分之一以上。
[针对练习]单句语法填空(1)In this area，the plains extend ____________ hundreds f kilmetres.(2)Can yu extend yur visit ________ a few mre days?(3)This railway is said t extend ________ ur prvince.【答案】(1)fr　(2)fr　(3)int/t
3．negtiate vt.商定；达成(协议)vi.谈判；磋商；协商(P26)Here，merchants frm China and many ther places met t negtiate trade deals，which als led t mre awareness f each ther’s cultures.【翻译】在这里，来自中国和许多其他地方的商人聚在一起洽谈贸易，这也增进了对彼此文化的了解。
(1)negtiate sth.商谈某事negtiate with sb.与某人谈判negtiate abut/n/ver/int sth.就某事进行谈判(2)negtiate 还有“穿过，越过”的意思。
The gvernment will nt negtiate with terrrists.政府不会和恐怖分子谈判。The driver failed t negtiate a bend and ran int a tree.司机没能顺利拐弯，撞到了树上。
[针对练习]完成句子(1)I’ll _______________ their cach n the date f the match.我将与他们的教练磋商比赛的日期问题。(2)They refused _________________ unless three preliminary requirements were met.如果三项先决条件得不到满足，他们就拒绝谈判。【答案】(1)negtiate with　(2)t negtiate
(3)We’ve decided t __________________ the emplyers abut ur wage claim.我们决定就工资问题与雇主们谈判。(4)The hrse ________________________ with ease.那匹马轻易跳过了栅栏。【答案】(3)negtiate with　(4)negtiated the fence
4．withdraw vi.& vt.(使)撤回；撤离(P26)Althugh China withdrew frm further expeditins after 1433，these land and sea rutes remained active channels between ther cultures fr centuries.【翻译】虽然中国在1433年以后退出了进一步的远征，但是这些陆地和海上的路线在几个世纪里仍然是其他文化之间活跃的通道。
(1)withdraw→withdrew→withdrawn(2)withdraw frm 退出；撤出withdraw mney frm bank从银行取回钱withdraw int收回；蜷缩(3)withdrawal n．收回；撤回；撤退
He may withdraw int his wn private wrld.他可以蜷缩在个人的小天地里。Tell the men t withdraw frm their new psitin.告诉那些人从新的阵地上撤出。I’d like t withdraw sme mney frm my accunt.我想从账户里取出一些钱。
[针对练习]单句语法填空(1)She’d half expected him t withdraw ________ the curse.(2)Due t the extreme cld weather，the trps __________ (withdraw) frm the muntainus regins last week.(3)My mney is running ut，s I have t withdraw sme mney ________ the bank.(4)It was s cld utside that she had t withdraw ________ her warm quilt.【答案】(1)frm　(2)were withdrawn　(3)frm　(4)int
5．in hand在手头，可供使用(P27)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.【翻译】数百年过去了，在掌握了最新技术的情况下，对贸易的需求和加强中国同世界各国的联系的需要，在遥远的未来将推动中国跨越海洋。
(1)in hand可表示“手头有；在手头；控制；处理；进行”。(2)与hand有关的短语：at hand在手边；在近处；即将到来by hand用手工(即不是用机器或其他手段)give/lend sb.a hand帮某人一把hand in hand手拉手；同时并存
n the ne (ther) hand一方面(另一方面)hands up举手；举起手来hand in交来；交上去(给老师或上级)hand ut散发；分发hand ver移交；拿给(另一人)shake hands (with sb.) (同某人)握手n hand在手边(随时可用)
He lives clse at hand.他就住在附近。They walked dwn the street hand in hand.他们手拉手沿街道走去。It’s really heavy－can yu give/lend me a hand?这东西很重——你能帮一下忙吗？
I still have sme mney n hand.我手头还有些钱。He shk hands warmly with me.他同我热情握手。The thief was handed ver t the plice.这个小偷已经送交给警方了。
[针对练习]完成句子(1)With the string __________，the sn started t fly the kite.手里拿着线，儿子开始放风筝。(2)Having the right equipment _________ will be enrmusly helpful.有合适的工具在手边将会极为有用。【答案】(1)in hand　(2)at hand
(3)The cmpany ____________________ the prject t a new team next mnth.公司将于下个月把该项目移交给一个新的团队。(4)__________________________，the elephants’ main lake，their nly water surce，dried up.一方面，大象的主要湖泊饮水处，也是他们唯一的水源，已经干涸了。【答案】(3)will hand ver　(4)On the ne hand
1．(P26)T reach ut acrss the sea remains a strng desire tday.【翻译】今天，跨越海洋的愿望依然强烈。【句式剖析】本句中的“T reach ut acrss the sea”是一个动词不定式短语，在句中作主语。这个句子还可以改写成“It remains a strng desire tday t reach ut acrss the sea.”。
【归纳拓展】不定式短语作主语时，可以直接放在句首。但在很多情况下，用代词it作形式主语，而将动词不定式后置。注意不定式作主语的常见句型：(1)It is＋adj.(easy，hard，imprtant，difficult...)＋不定式．(2)It is＋n.(a pity，a pleasure，ne’s duty，a shame，a waste f time...)＋不定式．(3)It takes/needs/requires＋n. (hurs，mnths，days，patience...)＋不定式．
It is difficult t keep up a friendship.维持友谊是很困难的。It is a pity t waste s much mney.浪费这么多钱真可惜。It tk them tw hurs t finish the wrk.完成这项工作花了他们两个小时。T take care f the children is yur jb this afternn.照看孩子是你今天下午的工作。
[针对练习]单句语法填空(1)________(see) is t believe.(2)________(be) a gd teacher requires a gd cmmand f knwledge as well as patience.(3)________ is nt necessary t cme s early fr yur wrk.【答案】(1)T see　(2)T be　(3)It
(4)It is a shame ________(behave) s rudely t the ld.(5)It will take them tw years ________(build) the bridge.【答案】(4)t behave　(5)t build
2．(P27)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.【翻译】这一倡议的目的是鼓励历史悠久的丝绸之路地区的合作和贸易，并加强中国与世界其他地区的联系。
【句式剖析】本句中的“t encurage cperatin and trade acrss the histric Silk Rad areas，and strengthen the bnds between China and the rest f the wrld”是两个并列的动词不定式短语在句中作表语。
【归纳拓展】当句子的主语是aim，idea，plicy，questin，suggestin，wish，task，duty，jb，purpse等名词或者主语是what引导的名词性从句时，后面可以用不定式作表语，用以说明主语所包含内容。The first step t knwledge is t knw that we are ignrant.走向知识的第一步是要知道我们是无知的。
注意：作表语的不定式都带t，但当主语部分有实义动词d时，t可以省略。The nly thing we can d nw is wait and see.我们现在唯一能做的就是等着瞧。
[针对练习]完成句子(1)My wish is ________________________________ (成为一位科学家) in the future.(2)What I can d is ___________________________ (让市民们) knw mre abut the event.【答案】(1)t becme a scientist　(2)(t) let the citizens
3．(P27) 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.【翻译】数百年过去了，在掌握了最新技术的情况下，对贸易的需求和加强中国同世界各国的联系的需要，在遥远的未来将推动中国跨越海洋。
【句式剖析】本句中的“with the latest technlgy in hand”是一个“介词with＋名词＋介词短语”构成的介宾复合结构，在句中作条件状语。【归纳拓展】(1)这类介宾复合结构在句中作时间、条件、原因状语的时候，通常放在句首；
(2)这类结构在句中作伴随、方式、结果状语的时候，通常放在句末。With s much wrk at hand，she feels uneasy all day lng.有那么多的事情要处理，她整天都不安。Mary was sitting near the fire，with her back twards the dr.玛丽靠近火炉坐着，背对着门。
[针对练习]单句语法填空(1)________ a bag n her back，the girl went ut happily with her mther.(2)With a clth ________ his face，the baby by can’t see anything.(3)With his hands ________ his pckets，the yung man walked int my ffice.【答案】(1)With　(2)n　(3)in
Ⅰ.单句语法填空1．Three days later，we arrived at ______ is called Wdland and settled dwn.2．We have raised peple’s _______(aware) f envirnmental prtectin amng the citizens.3．We shuld nt exclude(把……排除在外) the pssibility f ________(negtiate).【答案】1．what　2．awareness　3．negtiatin
4．He will appeal t the state fr an ________(extend) f unemplyment benefits.5．________(earn) enugh mney desn’t necessarily result in happiness.6．He replied that the UN had passed tw majr reslutins calling fr a cmplete ________(withdraw).【答案】4．extensin　5．T earn　6．withdrawal
7．My plan fr the new year is ________(set) up a cmpany f my wn.8．________ a mbile in his hand，hw can he fcus n his study?9．Mike is always the last persn ________(leave) the ffice.10．Premier Zhu was a very famus _______(plitics) leader in Chinese histry.【答案】7．t set　8．With　9．t leave　10．plitical
Ⅱ.短语填空search fr，set sail，under the cmmand f，in the league f ne’s wn，in hand，in return，withdraw frm，strengthen the bnd，reach ut, have an effect n1．T ________ the missing child，all the villagers were sent ut int the frest.【答案】1．search fr
2．The extremely cld weather will ________ the grwth f the crps in the fields.3．The farmer saved the snake while the snake gave the farmer a bite ________ when it came t life.4．With s much mney ________，she has n wrry abut her future life.【答案】2．have an effect n　3．in return　4．in hand
5．The yung man des his wrk s well that he is _________ in his cmpany right nw.6．Yu ught t ________ yur helping hand when thers are in need f help.7．As parents，it is imprtant fr yu t ________ with yur children in yur daily life.【答案】5．in the league f his wn　6．reach ut　7．strengthen the bnd
8．________ the fficer，the sldiers marched mre than ne hundred kilmetres ver night.9．After breakfast，all the sailrs left the prt and ________ again n their vyage.10．The travellers ________ their trip because f the heavy rain.【答案】8．Under the cmmand f　9．set sail10．withdrew frm
Ⅲ.课文原句填空1．Hwever，merchants and explrers frm the East ____________________ east t west many years befre Clumbus first did.然而，来自东方的商人和探险家们从东向西航行比哥伦布早很多年。【答案】1．set sail frm
2．Althugh China withdrew frm further expeditins after 1433，these land and sea rutes _____________________ between ther cultures fr centuries.虽然中国在1433年以后退出了进一步的远征，但是这些陆地和海上的路线在几个世纪里仍然是其他文化之间活跃的通道。【答案】2．remained active channels
3．Frm a scientific _______________________________，there is an urgent need t study the Arctic in rder t understand climate change and its effects.从科学的角度来看，迫切需要研究北极，以了解气候变化及其影响。【答案】3．pint f view
4．Hundreds f years n，and with the latest technlgy in hand，the need t trade and the desire _______________________ will drive China t reach ut acrss the sea far int the future.数百年过去了，在掌握了最新技术的情况下，对贸易的需求和加强中国同世界各国的联系的需要，在遥远的未来将推动中国跨越海洋。【答案】4．t enhance relatinships