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20页。PPT课件主要包含了Text 1，Text 2等内容，欢迎下载使用。

Have yu seen any films abut sea explratin?
Deep Sea Challenger 3D
Deepwater Hrizn
The Heart f Sea
Ocean Wrld 3D
Here is the trailer（预告片）f James Camern's Deep-sea Challenge 3D，a dcumentary film.
Shuld the sea be explred?
Read the tw texts and answer the questins.
What is the text type f the tw passages?What are the three parts in argumentative essay?
Argumentative essay.
Argument,evidence, restatement/cnclusin / a call fr actin.
An argumentative essay is a persuasive essay in which yu will try and cnvince yur readers t accept the argument that yu’re making and cnvince them t switch t yur side.
Read the tw texts belw and find the arguments and evidence in them.
Mre explratin causes mre pllutin.
Mining fr resurces is damaging.
Overfishing is an issue.
Deepwater Hrizn il spill ；plastic pllutin
It damages the Arctic.Burning fssil fuels adds t climate change.
Whales and dlphins are hunted.Thugh Banned, sme cuntries still ding it.
Sea explratin is imprtant fr ur future.
Understanding mre abut the sea will als help us manage its resurces better.
We need new resurces fr future develpment.
Scientific research ships can help address imprtant issues like climate change.
New medicines, fd resurces and energy;Predict events such as earthquakes.
Vast amunts f resurces may be under the sea and ice.
Restatement
Read the tw texts again and analyze the structure f them.
Restatement
Lk at the tw charts belw and decide which ne supprts which text.
A gd persuasive argument will use the mst recent data and infrmatin frm verified（已证实的） surces.
In grups, discuss the fllwing questins and take ntes.
1. What is yur pinin abut sea explratin? D yu agree with ne argument mre than the ther?
I think sea explratin is a wnderful idea, because even if there are n immediate rewards fr it, t explre and find ut mre abut ur wrld is always a gd thing.
2. Has yur pinin changed after reading the tw texts? Why r why nt?
Yes, my pinin has changed. Befre reading Text 1, I did nt knw that sea explratin culd add t sea pllutin, via deep sea drilling fr example.
3. Are there any ther aspects f sea explratin nt mentined that yu think are imprtant?
We d nt knw what we dn’t knw; we need t explre the cean s that we can better understand issues such as acidificatin which leads t seawater t becme mre acidic, and hw t fight these prblems; studying the cean causes the creatin f new technlgies that can help us in ther areas.
Based n yur nte, write an argumentative essay n sea explratin, expressing yur pinins with supprting facts.
1) The fllwing questins may help yu.What is the purpse f sea explratin?Hw des sea explratin help us t prtect the sea?Hw des sea explratin cause damage t the sea?Is there a gd balance between prtectin and explitatin?
Pint What pint d yu want t make?Evidence What facts and examples can yu find t supprt yur pint? Hw reliable are the surces?Explanatin Explain hw the facts supprt yur pinin and shw ther pinins t be incrrect.Link Cnnect this pint t the next pint, r back t the main pint f the essay r paragraph.
2) Use the PEEL methd t help structure yur argument.
Useful expressins
1 Talk abut imprtance
It is neccessary/imprtant/vital/essential/crucial that we (shuld) d sthWe cannt emphasize the imprtance f much.
2 Talk abut advantages r disadvantages
... is beneficial /is f great benefit t ... us a lt f us much harm if we many advantages ,we shuld nt ignre the prblems it brings us.
This vide may help yu better understand sea explratin.
Even thugh the ceans make up the majrity f the earth’s surface, nly a little has been explred by humans.While sme peple are ppsed f the idea, it is neccesary that we shuld explre the cean.First f all,sea explratin is beneficial t ur future develpment .Thrugh cean explratin, we can discvermre resurces,such as new fd ,medicine ,vaccines,energy, which is an urgent need due t the rapid grwth f glbal ppulatin and the decrease f natural resurces n land.
All in all,explratin is key t increasing ur understanding f the cean, s we can mre effectively manage, cnserve, regulate, and use cean resurces that are vital t ur ecnmy and t all f ur lives.
What’s mre ,infrmatin frm cean explratin can help us understand hw we are affecting and being affected by changes in Earth’s envirnment.Fr instance,it helps us knw abut changes in weather and climate. Insights frm cean explratin can als help us better understand and respnd t earthquakes, tsunamis, and ther hazards.
restatement
Surf nline t knw abut sea explratin and imprve yur writing.