1、新人教版高中英语选择性必修四新人教版高中英语选择性必修四Unit3Sea ExplorationUsing LanguagePART 01Listening and speakingPre-listeningRead the poster below and discuss the questions.1.What aspect of the camp would you like best?2.Do you think it is important to carry out research on whales and other sea creatures?Pre-listeningRe
2、ad the poster below and discuss the questions.1.What aspect of the camp would you like best?I would like the opportunity to see the whales close up best.2.Do you think it is important to carry out research on whales and other sea creatures?This research helps us learn more about the wonderful world
3、we live in,and about these amazing creatures so that we can better protect them.Listening tips：listen for sequenceWhen people talk about a series of actions or events happening in sequence of time,they often use certain words and phrases,such as first,next,then,after that,later,and finally.Can you g
4、ive more examples?Beginning:first of all,first and foremost,first,firstly,to begin with.Middle:next,then,later,after that,furthermore,moreover,meanwhile.Ending:finally,at last,eventually,to summarize.Listen to the head researcher talking to the campers at the end of the day.While-listeningCraig:Here
5、 at the camp we are wild about whales!Today you have been helping us with our whale research.First of all,_.What did you find,Sally?Sally:.Craig:Great!Then,_.Yes,Ben.Ben:.Craig:Very good,Ben.And lastly,_ _ Can you give us your report,Luke?Luke:.Craig:Excellent!Thank you all for your help today.we as
6、ked you to find out some facts for a whale profilewe asked you to think about why we do whale researchwe asked you to go out with us and write a report of the work we do1._2._3._Listen to the head researcher talking to the campers at the end of the day.While-listeningto find out some facts for a wha
7、le profile to think about why they do whale researchto go out with and write a report of the work they do What three things were the campers asked to do?Listen to Sallys part of the conversation and complete the mind map.While-listeningmore than 70Listen to Sallys part of the conversation and fill i
8、n the blanks.While-listeningCraig:Here at the camp we are wild about whales!Today you have been helping us with our whale research.First of all,we asked you to find out some facts for a whale profile.What did you find,Sally?Sally:There are over _ different species of whales.These include the blue wh
9、ale,the largest known animal to have ever existed.They can grow to _ long,and can weigh nearly _!There are two main types of whale:those _ teeth,and those _.Those without teeth eat very small organisms,whereas those with teeth eat _.More than _ of whales have teeth.80 100 feet200 tonswith withoutfis
10、h and other larger sea animals70 species Listen to Bens part of the conversation and order.While-listening123to monitor how many whales there are.to track where whales go,so we can understand more about them,like their life cycle.to understand more about the sounds of the whale.Craig:Great!Then,we a
11、sked you to think about why we do whale research.Yes,Ben._Listen to Bens part of the conversation and fill in the blanks.While-listeningCraig:Great!Then,we asked you to think about why we do whale research.Yes,Ben.Ben:,it is to monitor how many whales there are.Whales are threatened by many factors,
12、including climate change,pollution,and hunting.,it is to track where whales go,so we can understand more about them,like their life cycle.,we know that whales are very intelligent.They communicate and hunt using complex sounds,and even sing and share songs.They can learn by themselves and can teach
13、the things they have learnt to their young.We want to understand more about this.FirstlySecondlyLastlyAfter that,we gave the group of whales a name,and each member a number.They will be added to the directory so we can identify them in the future.Most whales have slightly different fins and marks,wh
14、ich can help us to tell them apart.Meanwhile,we also noted their location,so we can track their movements and plot their migration path.Then we took pictures of their fins.Finally,we contacted other whale research groups around the world to share the information with them.1First,we followed a group
15、of whales with the boat.Later,we created a database of their fins and locations.Listen to Lukes part of the conversation again.Number the following sentences in the correct order.While-listening6734285According to Lukes part of the conversation and finish the flow chart below.FirstThenMeanwhileLater
16、After thatFinallyWhile-listeningAccording to Lukes part of the conversation and finish the flow chart below.FirstThenMeanwhilewe followed a group of whales with the boat.While-listeningwe took picture of their fins.we also noted their location,so we can track their movements and plot their migration
17、 path.According to Lukes part of the conversation and finish the flow chart below.LaterAfter thatFinallyWhile-listeningwe created a database of their fins and locations.we gave the group of whales a name,and each member a number.we contacted other whale research groups with them.Listen to the conver
18、sation again and answer the questions.Look at the questions and circle the key words.While-listening1.How many species of whales are there?2.What is the criterion to divide the main types of whales?3.What do whales use sounds for?4.Why do the campers take pictures of the whales fins?5.Why do they co
19、ntact other research groups?Listen to the conversation again and answer the questions.Look at the questions and circle the key words.While-listening1.How many species of whales are there?2.What is the criterion to divide the main types of whales?3.What do whales use sounds for?Over 80.The criterion
20、is whether they have teeth or not.They use sounds to communicate and hunt.Listen to the conversation again and answer the questions.Look at the questions and circle the key words.While-listening4.Why do the campers take pictures of the whales fins?5.Why do they contact other research groups?This can
21、 help them to tell the whales apart.They want to share information with them.Tell your partner about what happened,using the expressions inthe box below.Your partner can also ask questions to find out moreabout what happened.First(ly),Second(ly),Third(ly),First of all,Then/After that/Afterwards/Next
22、/Later on In the end/At last,.At that time It began when Meanwhile Later.FinallyExpressing sequenceTalking activitySuggested dialogueTalking activityToday we learnt about whales and whale research.First,we found some information and facts about whales.We used the library and the Internet.What did yo
23、u do after that?Well,after that we thought about why we do whale research.But why do you do whale research?Suggested dialogueTalking activityThere are lots of reasons.First of all,we need to know how many whales there are.Then,we need to know where they go.And finally,we need understand more about t
24、hem.Then what did you do next?After that,we went out whale watching,following a group of whales in a boat.That sounds neat.Did you just watch them,or did you do anything else?Talking activityWe started by taking pictures of their fins,so we could tell them apart.At the same time,we noted their locat
25、ion,so we could track them.What did you do afterwards?We created a database and gave each whale a name and number.Then finally,we shared our information with other whale research groups around the world.It all sounds so wonderful!I wish I could have joined you.I do,too.PART 02Reading and WritingShou
26、ld the sea be explored?benefits:1.Get new sources of food.2.We can get fossil fuels such as oil,gas and coal.negative effects:1.Spilling oil into the sea causes pollution.2.Cause plastic pollution.DebateFast reading-Skim the two texts and answer the questions below.1.What is the text type of the two
27、 texts?A.Narration(记叙文).B.Exposition(说明文).C.Practical writing(应用文).D.Argumentation(议论文).2.What are the three parts in argumentative essay?argument论点论点;evidence论据论据;restatement重申重申/recommendation推荐推荐/a call to action号召号召1.What are the two authors opinions about the sea exploration?opposedsupportivech
28、eck the main arguments主论点,sub-points分论点and evidence论据 in it.121.Exploration causes pollution.Deepwater Horizon oil spill Plastic pollution2.Mining for resources is damaging.It hurts the Arctic.Burning fossil fuels adds to climate change.3.Overfishing is an issue.Whales and dolphins are hunted.Banned
29、,but some countries still doing it.3main argument主论点sub-points分论点evidence论据restatement/重申a call to action号召121.Sea exploration is important for our future.Scientific research ships can help address important issues like climate change.2.Understanding more about the sea will also help us manage its r
30、esources better.New medicines,food resources and energy.Predict events such as earthquakes.33.We need new resources for future development.Vast amounts of resources may be under the sea and ice.check the main arguments主论点,sub-points分论点and evidence论据 in it.When people talk of exploring the sea more,t
31、hey usually mean exploiting it.Sea exploration has caused many problems and will continue to cause more.More exploration means more pollution.The Deepwater Horizon spilled over 200 million gallons of oil into the sea in 2010.Plastic pollution is also bad,killing many birds and fish,and has even been
32、 found in our tap water.Mining for resources is very damaging,especially in the Arctic.Because of climate change,there is less ice now,which means we can look for more fossil fuels further north.But if we burn these,the ice will melt more and this negative cycle will continue.Climate change is warni
33、ng us that something is very wrong.Overfishing is another problem.Whales and dolphins are also hunted for their meat or for so-called research.Although this was banned in 1982,some countries are still“murdering”these intelligent creatures without mercy.The sea is home to life,not human beings posses
34、sions.It is huge,but it is more sensitive than we think.If we do not protect it,future generations will not forgive us.What ways can be used to prove the points?What ways are used to prove the points in following sentences?1.The exam is rather difficult.80 percent students in our class failed.2.The
35、key to learning English well is to keep practicing.Just as the saying goes“practice makes perfect.”3.There are many ways to learn English with fun,such as listening to English songs and watching English movies.4.Many of the students stay up late each Saturday night.Therefore,they are always sleepy t
36、he next day.data/figures/statistics factsquoteexamplescause and effectchartsWhich one supports which text?text2text1How to write an argumentative essay?ArgumentEvidenceRestatementTake Text1 as an exampleSea exploration caused problemsPollutionMiningOverfishingMore protection and less exploration引言引言
37、段：段：简单阐释要讨论的主题。主体段：主体段：一般可提出两、三个论据，并分别进行阐述。结论段：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：议论文的结构一般分为三部分：实战演练：实战演练：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。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。审题审题第一段：说明讨
38、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。谋篇谋篇Dear Editor，Recently 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 expl
39、oration 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 exploration might help improve our understanding of the life on the earth,it might bring about marine pollution,which finally leads the ocean creatures to de
40、ath.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 version假定你是某假定你是某校的宣传校的宣传委员委员李华，应邀李华，应邀为学校网站英文版为学校网站英文版写一篇有关海洋生物保护的写一篇有关海洋生物保护的文章，请根据以下要点文章
41、，请根据以下要点写一写一篇短文。篇短文。1.海洋受污染海洋受污染的现状的现状;2.保护保护海洋的重要性。海洋的重要性。注意注意:1.词数词数100左右左右;2.可适当增加可适当增加细节，以细节，以使文章连贯使文章连贯。_【写作任务写作任务】一、审题定调一、审题定调1.确定确定体裁体裁:本次写作是一篇本次写作是一篇议论文，内容议论文，内容涉及海洋生物保护。涉及海洋生物保护。2.确定确定人称人称:本文要用第三人称。本文要用第三人称。3.确定确定时态时态:时态以一般现在时为主。时态以一般现在时为主。二、谋篇布局二、谋篇布局1.描述描述海洋受到污染的海洋受到污染的现状现状；2.保护保护海洋的海洋的重要
42、性重要性；3.自己的自己的想法观点想法观点；三三、好词积累、好词积累1.varieties of 各种各样各种各样的的2.die out 灭绝灭绝3.on the one hand.on the other hand 一方面一方面,另一方面另一方面4.as a matter of fact/in fact/actually 事实上事实上5.take measures 采取采取措施措施6.keep the balance of 保持保持的平衡的平衡7.make great efforts 努力努力四、高级句式四、高级句式1.众所周知，海底众所周知，海底有各种各样的资源。有各种各样的资源。(as引
43、导的非引导的非限制性限制性 定语定语从句从句)As we all know,there are varieties of resources under the sea.2.只有提高人们保护环境的意识只有提高人们保护环境的意识,努力防止污染努力防止污染,才能解决才能解决这个这个 问题问题。(倒装句倒装句)Only by raising peoples awareness of protecting the environment and making great efforts to prevent pollution can the problem be solved.五、连句成篇五、连句成
44、篇The Importance of Protecting Our Oceans As we all know,there are varieties of resources under the sea.However,the past ten years has witnessed that some creatures have died out.Therefore,marine pollution has been greatly concerned by the whole world.On the one hand,we must make people realize the i
45、mportance of protecting the ocean.As a matter of fact,to protect the ocean is to protect human beings.On the other hand,the government should take immediate measures to keep the balance of nature.In no way should we abandon protecting the environment.Only by raising peoples awareness of protecting the environment and making great efforts to prevent pollution can the problem be solved.
