人教版 (2019)选择性必修 第四册Unit 3 Sea Exploration完美版课件ppt

这是一份人教版 (2019)选择性必修 第四册Unit 3 Sea Exploration完美版课件ppt，文件包含Unit3UsingLangauge2课件pptx、DeepintotheSeamp4、Secretsofthedeepocean_TheEconomist经济学人mp4、新人教课文视频选必四Unit3Expressyouropinionsonseae-1SeaExplorationAv597127038P1mp4等4份课件配套教学资源，其中PPT共16页， 欢迎下载使用。

Shuld the sea be explred?
Watch the vide and take ntes.
1. We can investigate ______ ____(海洋生物) thuands f meters belw the surface.2. Scientists have discvered that seamunts supprt astnishingly _______(多样的) and unique __________(生态系统) and prvide fd and spawning grunds t a variety f fish and sea ________(哺乳动物).3. The team is als visiting parts f the seabed that have been experienced by human beings befre t survey areas that have been _________(损坏,破坏) by bttm trawling.4. The data gathered here will frm part f a grwing bdy f _________(证据), helping scientists evaluate whether damaged areas will ever prperly recver.5. The results frm this trip are vital fr the cean’s wuld-be prtectrs, as part f the wider battle t_______(保护) marine habitats acrss the cean flr.
marine life
Read fr text type
1. What is the text type f the tw texts? A. Narratin (记叙文). B. Expsitin (说明文). C. Practical writing (应用文). D. Argumentatin (议论文).
2. What are the three parts in argumentative essay?
∙ argument论点; ∙ evidence论据; ∙ restatement重申/recmmendatin推荐/a call t actin号召
Read fr details
What are the tw authrs’ pinins abut the sea explratin?
arguments+evidence
Read text 1 and find the arguments and evidence in them.
Mre explratin causes mre pllutin.
Deepwater Hrizn il spill Plastic pllutin.Plastic pllutin is als bad, ...
Mining fr resurces is damaging.
It hurts the Arctic.Burning fssil fuels adds t climate change.
Overfishing is an issue.
Whales and dlphins are hunted.Sme cuntries are still “murdering” them withut mercy.
Read text 2 and find the arguments and evidence in them.
Sea explratin is imprtant fr ur future.
Scientific research ships can help address imprtant issues like climate change.
Understanding mre abut the sea will als help us manage its resurces better.
New medicines, fd resurces and energy.Predict events such as earthquakes.
We need new resurces fr future develpment.
Vast amunts f resurces may be under the sea and ice.
Less explratin & mre prtectin
manage the balance between sea prtectin and ecnmic needs
Lk at the tw charts belw and decide which ne supprts which text.
Which text des the vide supprt?
UNIT 3 SEA EXPLORATION
Read fr discussin
In grups, discuss the fllwing questins and chse ne t answer.
1. What is yur pinin abut sea explratin? D yu agree with ne argument mre than the ther?2. Has yur pinin changed after reading the tw texts? Why r why nt?3. Are there any ther aspects f sea explratin nt mentined that yu think are imprtant?
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.
假定你是某校的宣传委员李华，应邀为学校网站英文版写一篇有关海洋生物保护的文章，请根据以下要点写一篇短文。1. 海洋受污染的现状;2. 保护海洋的重要性。注意:1.词数100左右; 2.可适当增加细节，以使文章连贯。
The Imprtance f Prtecting Our Oceans  As we all knw, there are varieties f resurces under the sea. Hwever, the past ten years has witnessed that sme creatures have died ut. Therefre, marine pllutin has been greatly cncerned by the whle wrld. On the ne hand, we must make peple realize the imprtance f prtecting the cean. As a matter f fact, t prtect the cean is t prtect human beings. On the ther hand, the gvernment shuld take immediate measures t keep the balance f nature. In n way shuld we abandn prtecting the envirnment. Only by raising peple’s awareness f prtecting the envirnment and making great effrts t prevent pllutin can the prblem be slved.