高中英语人教版 (2019)选择性必修 第四册Unit 3 Sea Exploration示范课课件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示范课课件ppt，共32页。PPT课件主要包含了语 篇 理 解，基 础 自 测，互 动 探 究等内容，欢迎下载使用。

Perid Fur　 Using Language & Other Parts
基础自测 自主学习 落实基础知识
语篇理解 精读演练 萃取文本精华
互动探究 探究重点 互动撞击思维
达标检测 当堂检测 基础达标演练
Ⅰ.Read the passage quickly and get its general idea.
精读演练 萃取文本精华
1.What’s the main idea f the passage?A.The risks abut sea benefits abut sea necessities and risks abut sea balance between sea explratin and prtectin.
2.Read the passage and match the main idea f each paragraph.Para.1　A.Sea explratin can help us much.Para.2 B.Sea explratin causes prblems.Para.3 C.Mre explratin means mre pllutin.Para.4 D.Mining fr resurces damages much.Para.5 E.Overfishing als causes prblems.Para.6 F.The sea is nt human beings’ pssessins.Para.7 G.Sea explratin is necessary.Para.8 H.The balance between explratin risks and ecnmic needs.Para.9 I.Sea explratin means mre resurces.
Ⅱ.Read the passage carefully and chse the best answer.
1.Which f the fllwing has sea explratin nt caused accrding t the text? mineral resurces.
2.Which f the fllwing abut sea explratin is NOT true?A.Mre sea explratin nly help us explit il and sea explratin can help us discver new sea explratin can give us mre surces f fd and sea explratin can help us predict events such as earthquakes.
3.What shuld we d t prtect envirnment accrding t the passage?A.T explit the sea lk fr mre fssil fuels in the hunt whales and dlphins t earn mre balance the envirnmental risks with ur ecnmic needs.
1. vt.&vi.鼓掌vt.称赞；赞赏2. vt.对……征税；使纳税n.税；税款3. adj.有人控制的；需人操纵的4. n.潜水器；可潜船5. adv.在水下adj.水下的6. n.名录；电话号码簿；(计算机文件或程序的)目录
自主学习 落实基础知识
submersible
7. adv.与此同时；(比较两方面)对比之下8. n.反对者；对手；竞争者9. vt.把……载入正式记录；记录n.正式记录；日志；原木10. n.逮捕；拘留；中止vt.逮捕；拘留；阻止11. n.迁移；迁徙；移居　→ vi.移动；移居；迁徙vt.使移居；使移植　→ n.(为工作)移居者；移民；候鸟；迁徙动物
12. vt.开发；利用；剥削　→ n.开发，开采；利用；剥削①13. vt.谋杀；凶杀；毁坏n.谋杀；凶杀　→ n.杀人犯；凶手14. n.仁慈；宽恕；恩惠　→ adj.仁慈的；慈悲的；宽容的②15. n.(usually pl.)个人财产；拥有；控制　→ vt.控制；使掌握；持有；迷住；拥有，具备
①explit(vt.开发；利用；剥削)＋-atin(表示“行为，过程，结果”)→explitatin n.开发，开采；利用；剥削② mercy(n.仁慈；宽恕；恩惠)＋-ful(表示“充满……的”)→merciful adj.仁慈的；慈悲的；宽容的
1. 记者招待会；新闻发布会2. 涌进3. 消极的循环；负循环4. 搜寻，寻找5. 残忍地；毫不留情地6. 为……的所在地7. 采取行动8. 记录新物种9. 大量的10.有更多选择
press cnference
negative cycle
withut mercy
lg new species
have mre ptins fr
1.which引导非限制性定语从句Because f climate change，there is less ice nw， .由于气候变化，现在的冰越来越少，这意味着我们可以在更远的北方寻找更多的化石燃料。2.动名词短语作主语。 will als help us manage its resurces better.更多地了解海洋也将帮助我们更好地管理它的资源。
which means we can lk fr mre fssil fuels further nrth
Understanding mre abut the sea
Althugh this was banned in 1982，sme cuntries are still “murdering” these intelligent creatures withut mercy.尽管在1982年这就被禁止了，但一些国家仍然毫不留情地“谋杀”这些聪明的生物。
mercy n.仁慈；宽恕；恩惠※shw mercy t对……怜悯/宽恕have mercy n/upn对……怜悯/宽恕beg/ask fr mercy乞求宽恕withut mercy残忍地；毫无同情地
探究重点 互动撞击思维
at the mercy f...任由……摆布※merciful adj.仁慈的；慈悲的；宽容的merciless adj.残忍的；无慈悲心的(1)The ld wman shwed mercy t the pr children.这位老妇人很同情这些可怜的孩子。(2)In the ld days，the farmers were nature.在过去，农民受大自然的摆布。(3)The mther left the dying baby in the hspital .那位母亲无情地把垂死的婴儿丢弃在医院。
at the mercy f
The sea is hme t life，nt human beings’ pssessins.海洋是生命的家园，而不是人类的财产。
pssessin n.(usually pl.)个人财产；拥有；控制※in pssessin f具有，拥有in the pssessin f被……拥有，归……所有take pssessin f占有，拥有※pssess v.拥有，具有；支配be pssessed f具有(某种品质、能力等)
(1)T his srrw，he lst all his pssessins because f his failure in his business.令他悲伤的是，他因为生意上的失败而失去了所有的财产。(2)We can’t this huse until the wner cmes back.直到主人回来，我们才能拥有这所房子。(3)The yung man is (pssess) f great self-cnfidence.这个年轻人很自信。
take pssessin f
[一句多译](4)据说一个年轻人拥有这座大楼。①It is said that a yung man .(pssess v.)②It is said that a yung man is .(pssessin n.)③It is said that this building is .(pssessin n.)
pssesses this building
in pssessin f this building
in the pssessin f a yung man
A $5 millin reward has been annunced fr infrmatin leading t the arrest f thse respnsible fr the murder.已宣布悬赏500万美元以获取缉拿谋杀犯的线索。
arrest n.逮捕；拘留；中止 vt.逮捕；拘留；阻止；吸引(注意力)※arrest ne’s attentin引起某人的注意arrest sb. fr...因……而逮捕某人get arrested遭逮捕※under arrest被捕make an arrest进行拘捕
(1)He was walking in the street when a bird arrested his attentin.他正在街上走着，这时一只鸟吸引了他的注意力。(2)The yung man having stlen his neighbr’s cmputers.这个年轻人因为偷邻居的电脑而被逮捕了。(3)During the strike，a great many yung peple .在罢工期间，很多年轻人被逮捕了。(4)The plice during the ftball match.警方在足球赛期间逮捕了一些人。
was arrested fr
gt arrested
made several arrests
Because f climate change，there is less ice nw，which means we can lk fr mre fssil fuels further nrth.由于气候变化，现在的冰越来越少，这意味着我们可以在更远的北方寻找更多的化石燃料。
which引导非限制性定语从句，which在定语从句中充当主语。
(1)Nw Irene Astbury wrks frm 9 am t 5 pm daily at the pet shp in Macclesfield，which she pened with her late husband Les.(2019·全国Ⅱ)如今，艾琳·阿斯特伯里每天早上9点到下午5点在马格斯菲尔德的宠物店工作，这家宠物店是她和她已故的丈夫莱斯创办的。(2)The cnstructin f the Great Wall was nt that easy， drew heavily n the lcal resurces fr building materials.长城的建造并不是那么容易，它严重依赖当地的建筑材料资源。(3)We have launched anther man-made satellite， is annunced in tday’s newspaper.我们已经发射了另一颗人造卫星，这个消息在今天的报纸上公布了。
[名师指津]　非限制性定语从句既可修饰主句的一部分，也可以修饰整个主句。其引导词的选择和限制性定语从句的判断规则一致，即：第一，找准先行词；第二，看先行词在定语从句中所作的成分。需要注意的是，that不能引导非限制性定语从句。
Understanding mre abut the sea will als help us manage its resurces better.更多地了解海洋也将帮助我们更好地管理它的资源。
Understanding mre abut the sea是动名词短语作主语。动名词(短语)作主语往往表示经常性、习惯性的动作，谓语动词通常用单数形式。(1)Climbing up the muntain will make yu exhausted.爬上这座山会使你筋疲力尽。(2) will d yu a lt f gd.早晨朗读英文会给你带来许多好处。
Reading English alud in the mrning
[名师指津]①动名词(短语)作主语和不定式作主语一样，也可以用it作形式主语，多见于某些形容词及名词之后。常见的能用于这种结构的形容词和名词有：gd，n gd，n use，useless，senseless等。注意：imprtant，essential，necessary 等形容词不能用于上述结构。②当动名词有自己的逻辑主语时，常可以在前面加上一个名词或代词的所有格，构成动名词的复合结构(这时，名词或代词的所有格作动名词的逻辑主语)。动名词的复合结构也可以在句中作主语。
(3)It is n use him nt t wrry.告诉他不要担心是没有用的。(4) was a great encuragement t us.他们来帮忙对我们是一个很大的鼓励。
Their cming t help
1.I’m nt ging t put myself the mercy f the (knw) what t d，he turned t his ld man lst all his (pssess) in the big bat is the nly way t get here， is hw we Sauven hlds that (explit) f wildernesses is is said that several singers (arrest) fr taking drugs last year.
were arrested
7.He gt dwn n his knees and .他跪下来乞求宽恕。8. is an interesting and rewarding experience.沿着丝绸之路旅行是一次有趣且有益的经历。9.She and her family bicycle t wrk， .她和家人骑自行车去上班，这有助于她们保持健康。10.The plice fund the abandned car at the shre and at last .警察在海边找到了那辆已经被抛弃的汽车。最后，他们逮捕了司机。
begged/asked fr mercy
Travelling alng the Silk Rad
which helps them keep fit
they arrested
　　下面的短文是P32的课文改写，请从下表中选择合适的词汇并用其适当的形式完成此文。resurce，pssess，lg，ppnent，galln，withut mercy， explit，mine，ban， be hme t
　　When peple talk f explring the sea mre，they usually mean 11. it.Sea explratin has caused many prblems and will cntinue t cause mre.　　Mre explratin means mre pllutin.The Deepwater Hrizn spilled ver 200 millin 12.　　　 f il int the sea in 2010.　　13. fr resurces is very damaging.Overfishing is anther prblem.Althugh hunting whales and dlphins 14. in 1982，sme cuntries are still “murdering” these intelligent creatures 15. .
　　The sea 16.　　　　　 life，nt human beings’ 17.　　 .T truly understand ur planet，we must explre the ceans.18. may be cncerned，but sea explratin is imprtant fr ur future.Therefre，mre research is necessary.　　Understanding mre abut the sea will als help us manage its resurces better.19. new species will imprve ur understanding f life n the earth.The ppulatin f the wrld is grwing and we need new 20. fr future develpment.　　Of curse，we shuld balance envirnmental risks with ecnmic needs.