1、Using language(2)新人教版选择性必修四 Unit 3Express your opinions on sea explorationCONTENTSCONTENTS 123Lead-inRead for informationWriting task Lead-inOceansDiscuss with you partner:Do you think we should leave oceans as they are or we should explore them?Seas and oceans have always been an attraction to huma
2、n beings.Read for information1)Whats the main idea of the passage?A.The risks about sea exploration.B.The benefits about sea exploration.C.The risks and necessities about sea exploration.D.The balance between sea exploration and protection.1.Read the passage quickly and choose the best answer.2)Whic
3、h of the following has sea exploration not caused according to the text?A.Overfishing.B.Air pollution.C.More pollution.D.Damaging mineral resources.4)What is the main idea of the third paragraph?A.The speed of the melting ice in Arctic.B.The discovery of fossil fuels in Arctic.C.The damaging resourc
4、es in the Arctic.D.The influence of climate on the Arctic.3)Why does the writer mention the Deepwater Horizon?A.To show it has more gallons of oil.B.To explain its influence on animals.C.To stress the bad effect of plastic.D.To prove it has caused serious pollution.5)What should we do to protect env
5、ironment according to the passage?A.To exploit the sea more.B.To look for more fossil fuels in the Arctic.C.To hunt whales and dolphins to earn more money.D.To balance the environmental risks with our economic needs.2.Look at the two charts below and decide which one supports which text.Text 1Text 2
6、3.Answer the questions.1)What is the text type of the passages?2)What are the three parts in argumentative essay?Argumentative essayargument;evidence;restatement/recommendation/a call to action4.Read the texts again and find the arguments(论点)and evidence(论据)in them.arguments evidenceExploration caus
7、es pollution.Deepwater Horizon oil spill Plastic pollutionMining for resources is damaging.It hurts the Arctic.Burning fossil fuels adds to climate change.Overfishing is an issue.Whales and dolphins are hunted.Banned,but some countries still doing it.arguments evidenceSea exploration is important fo
8、r our future.Scientific research ships can help address important issues like climate change.Understanding more about the sea will also help us manage its resources better.New medicines,food resources and energy.Predict events such as eartquakes.We need new resources for future development.Vast amou
9、nts of resources may be under the sea and ice.5.What is the restatement of each text?Text 1:The sea is home to life.We need more protection and less exploration.Text 2:Although there are environmental risks,we should explore the sea to meet economic needs especially with improved technology.Writing
10、taskHow to write an argumentative essay?ArgumentEvidenceRestatementTake Text 1 as an exampleSea exploration caused problemsPollutionMiningOverfishingMore protection and less exploration引言段：简单阐释要讨论的主题。主体段：一般可提出两、三个论据，并分别进行阐述。结论段：往往用几句话提出自己的看法、意见或建议，从而结 束文章。要注意与引言段呼应，但不能照搬前面的原话。议论文的结构一般分为三部分：实战演练：假设你是
11、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。赞成的理由反对的理由你的看法1.获取更多的海底资源；2.提高对地球上生命的理解。1.造成海洋污染，导致海洋生物死亡；2.破坏生态系统。注意：开头和结尾已给出，不计入总词数。审题第一段：说明讨论的话题人类是否应该进行海洋探索；第二段：说明正方和反方的观点及理由；第三段：表明自己的观点。1.确定文体：议论文2.主体时态：文章应以一般现在时为主。3.主体人称：由于是关于“人类是否应该进行海洋探索”的话 题，所以人称应该以第三人称为主。谋篇Dear Editor，Recently
12、our class has had a discussion about whether sea exploration should be carried out.Some of the students are in favour of sea exploration.They say sea exploration has made it possible for people to discover new medicines as well as new sources of food and energy.Others are against it.Although sea exp
13、loration might help improve our understanding of the life on the earth,it might bring about marine pollution,which finally leads the ocean creatures to death.It also might cause ecosystem destruction.Personally,sea exploration should be balanced with economic needs.Hopefully,as technology improves,we may have more options for managing this balance.One possible versionHomework:1.1.2.2.ThanksThanks
