高中英语人教版 (2019)选择性必修 第四册Unit 3 Sea Exploration公开课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公开课ppt课件，共19页。PPT课件主要包含了Argument，Evidence，Para 1，Para 23，Para 4，Pollution，Mining，argument，evidence，辩论性议论文等内容，欢迎下载使用。

predict ptential disasters
discver new species
detect energy resurces
plastic waste
What are the advantages and disadvantages f sea explratin?
Skim the tw texts and answer the questins .
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
Skim Text 1 and divide it int three parts.
Restatement
Sea explratin caused prblems
Overfishing
Less explratin & mre prtectin
Check the arguments分论点 and evidence论据 in text 1.
1. Explratin causes pllutin. ∙ Deepwater Hrizn il spill ∙ Plastic pllutin
2. Mining fr resurces is damaging. ∙ It hurts the Arctic. ∙ Burning fssil fuels adds t climate change.
3. Overfishing is an issue. ∙ Whales and dlphins are hunted. ∙ Banned, but sme cuntries still ding it.
We must explre the ceans.
Scientific research
Resurce management
The survival f mankind
manage the balance between sea prtectin and ecnmic needs
Skim Text 2 and divide it int three parts.
Check the arguments分论点 and evidence论据 in text 2.
1. Sea explratin is imprtant fr ur future. ∙ Scientific research ships can help address imprtant issues like climate change.
2. Understanding mre abut the sea will als us manage its resurces better. ∙ New medicines, fd resurces and energy. ∙ Predict events such as earthquakes.
3. We need new resurces fr future develpment. ∙ Vast amunts f resurces may be under the sea and ice.
一般包括四段：第一段——说明辩论的主题；第二段——表明正方的观点及其理由；第三段——表明反方的观点及其理由；第四段——陈述自己的观点。(有时也可以分为三段：第一段说明辩论的主题；第二段表明正方和反方的观点及理由；第三段表明作者自己的观点。)
介绍讨论的主题(开头句)：1.We had a discussin abut whether it is necessary ’ve had a survey ’m writing t tell yu abut a discussin we have had abut...过渡句：1.Opinins are divided n this are mainly divided int tw peple，hwever，have different pinins/think quite differently n this matter.
介绍正方观点：1.45% f the students hld the view ne thing， anther thing，% f the students are fr the idea.介绍反方观点：On the cntrary/Hwever/As the ld saying ges，each cin has tw sides.Nearly half f the students think ne hand， the ther hand，...
　　假设你是李华，最近你班就“人类是否应该进行海洋探索”进行了讨论。请根据讨论结果，写一封80词左右的信给某英文报社的编辑来报道此事。
注意：开头和结尾已给出，不计入总词数。
1.执行_________2.支持________________3.也，又，还________4.反对_________________5.导致______6.造成生态系统破坏_________________________
in favur f/be fr
be against/bject t
cause ecsystem destructin
1.海洋探索使人们有可能发现新的药物。Sea explratin new medicines.2.海洋探索也使人们有可能发现新的食物和能源。 Sea explratin new surces f fd and energy.3.海洋探索可能会导致海洋污染。Sea explratin might marine pllutin.4.海洋污染最终导致海洋生物死亡。Marine pllutin finally .
has made it pssible fr peple t discver
has als made it pssible fr peple t discver
leads the cean creatures t death
5.海洋探索可能有助于增进我们对地球上生命的了解。Sea explratin might help .6.科技进步了。 7.我们可能有更多的选择来管理这种平衡。We may this balance.
imprve ur understanding f the life n the earth
Technlgy imprves.
have mre ptins fr managing
1.请把第1、2句话按下面括号内的提示词合成一句话。(1)Sea explratin has made it pssible fr peple t discver .(nt als...)(2)Sea explratin has made it pssible fr peple t discver new medicines .(as well as)2.请把第3、4句话按下面括号内的提示合成一句话。Sea explratin might bring abut marine pllutin， .(which引导非限制性定语从句)3.请把第6、7句话用主从复合句合成一句话。 ，we may have mre ptins fr managing this balance.
nt nly new surces f fd and energy but als new medicines
as well as new surces f fd and energy
which finally leads the
cean creatures t death
As technlgy imprves
参考范文Dear Editr，　　Recently ur class has had a discussin abut
whether sea explratin
shuld be carried ut.
　　Sme f the students are in favur f sea explratin.They say sea explratin has made it pssible fr peple t discver new medicines as well as new surces f fd and energy.Others are against it.Althugh sea explratin might help imprve ur understanding f the life n the earth，it might bring abut marine pllutin，which finally leads the cean creatures t death.It als might cause ecsystem destructin.
Yurs，Li Hua
　　Persnally，sea explratin shuld be balanced with ecnmic needs.Hpefully，as technlgy imprves，we may have mre ptins fr managing this balance.