2019新人教高中英语选择性必修四Unit3Sea Exploration-Using Language公开课教案.docx

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1、2019新人教高中英语选择性必修四Unit 3 Sea Exploration-Using Language 公开课教案l.Get to know about whales and other sea animalsTeaching aims:By the end of this period, students will be able to:1. To get the main idea and the key details by listening to the conversation.2. To learn to use some words and phrases to expr

2、ess sequence.3. To develop the awareness of protecting sea animals.4. To make a plan for a trip to see the animals.Teaching key and difficult points:1. Help students to arouse their awareness of protecting sea animals and express sequence in oral communication.2. Instruct students to express sequenc

3、e in oral communication.Teaching procedures:Step 团 Lead-inActivity 1 Watch some pictures and share what you know about these sea animals.Activity 2 Read the poster 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

4、 and other sea creatures?may not look like an issue that has much to do with the ocean,rising temperature due to climate change has started to cause our coral reefs to die. As these reefs provide a habitat for thousands of animal species, these species will decline. Scientists predict that this will

5、 result in mass hunger, because so many people depend on sea life for food.The future of our oceans is in our hands. If we act now, they can still be saved, and they will still be a resource for future generations.Io notmiag this all.T. - 2Z Come to our whale watching campand learn moreaboilt these

6、intelligent creatures! Listen to whales singing, watch them leaping out of the water, and them with our specialjidgQlllmeras. And tq help ub wirtrfmpoHant research, you can even become a member ofWHALE WATCHING CAMPour team.Suggested answers:1.1 would like the opportunity to see the whales at close

7、range best.2 .Yes,absolutely.Because this research helps us learn more about the wonderful world we live in, and it also helps us learn more about these amazing creatures so that we can better protect them.Step团 Listening for the main ideaAsk students to listen to the conversation and answer the fol

8、lowing question.What three things were the campers asked to do?Suggested answers:3 .To find out some facts for a whale profile.4 .To think about why they do whale research.5 .To go out with and write a report of the work they do.Step团 Listening for sequenceListen to the conversation again and number

9、 the following sentences in the correct order.After 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,which can help us to tell them apart.Meanwhile,we also not

10、ed their locationzso 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 toshare the information with them.First,we followed a group of whales with the boat.Later,we created a database of the

11、ir fins and locations.Suggested answers:6,7,34,2,8,1,5Step团 Listening for the key informationActivity 1 Listen to the conversation again and answer the following questions.1 .How many species of whales are there?Z.What is the criterion to divide the main types of whales?3 .What do whales use sounds

12、for?4 .Why do the campers take pictures of the whales7 fins?5 .Why do they contact other research groups?Suggested answers:l.Over 80.6 .The criterion is whether they have teeth or not.7 .They use sounds to communicate and hunt.8 .This can help them to tell the whales apart.9 .They want to share the

13、information with them.Activity 2 Listen to what Sally said again and draw a mind map to show the basic information about whales.Suggested answers:| whales 卜:r food卜 fish, sea animals whales with .tClL|species| 70 |Step 团 SpeakingActivity 1 Brainstorm expressions showing sequence in the speaking.Sugg

14、ested answers:firstly, secondly, first of all, after that, next, later, meanwhile, finallyActivity 2 Ask students to tell your partner about what happened in the whale watching camp.Example:A: Today we learnt about whales and whale research. First, we found some information and facts about whales. W

15、e used the library and the Internet.B:What did you do after that?Suggested answers:A:Today we learnt about whales and whale research. First, we found some information and facts about whales. We used the library and the Internet.B:What did you do after that?A: Well, after that we thought about why we

16、 do whale research.B:So why do you do whale research?A:There 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 to understand more about them.B:Then what did you do next?A:After that, we went out whale watching, fol

17、lowing a group of whales in a boat.B:That sounds neat. Did you just watch them, or did you do anything else?A:We started by taking pictures of their fins, so we could tell them apart. At the same time, we noted their location,so we could track them.B:What did you do afterwards?A:We created a databas

18、e and gave each whale a name and number. Then finally, we shared our information with other whale research groups around the world.B:lt all sounds so wonderful! I wish I could have joined you.A:l do, too.Activity 3 Watching and talking.Watch the video Protecting Biodiversity and then talk with your

19、partner and make a plan for a trip to see the animals.Suggested answer:For our trip, we would like to go to the Shanghai Ocean Aquarium. We can first visit the special exhibition of saving sharks. Then we can go to see the seahorses whose number declined greatly for the past decade. However, most pe

20、ople do not know much about seahorses at all. I think we need to raise awareness about seahorses and marine conservation in China. The last spot will be The Chinese Pavilion, which displays the aquatic organisms and bio-system in the Yangtze River and some national endangered rare aquatic creatures,

21、 like Chinese alligator and Chinese sturgeon.Step0 Homework翻译下列习近平总书记关于建设海洋强国的讲话1 .我国是一个海洋大国，海域面积十分辽阔。一定要向海洋进军，加快建设海 洋强国。2 .要下决心采取措施，全力遏制海洋生态环境不断恶化趋势，让我国海洋生态 环境有一个明显改观，让人民群众吃上绿色、安全、放心的海产品，享受到碧海蓝 天、洁净沙滩。Suggested answers:3 .China is a country with vast oceans. We are bound to explore the sea and acce

22、lerate the construction of ocean power.4 .We are determined to take measures to prevent the ocean ecological environment from becoming worse. We are determined to improve the environment significantly and ensure that the masses can consume green and safe sea products as well as enjoy the blue sky an

23、d clean seashores.2.Express your opinions on sea explorationTeaching aims:By the end of this period, students will be able to:1. To figure out the organisation and language feature of an argumentative essay.2. To learn to express their opinion on sea exploration.3. To write an argumentative essay on

24、 sea exploration.4. To develop a proper attitude on sea exploration.Teaching key and difficult points:1. Help students to analyse the organisation and language feature of an argumentative essay.2. Teach students to write an argumentative essay on sea exploration.3. Instruct students to write an argu

25、mentative essay on sea exploration.Teaching procedures:Step 团 Lead-inAsk students to express their opinion on sea exploration.Suggested answer:Answers may vary.Step 团 While-readingActivity 1 Reading for text type.What is the type of the text?A.Exposition.B.Narration.C.Argumentation.D.Description.Sug

26、gested answer:CActivity 2 Reading for the structure.What are the three parts in an argumentative essay?Suggested answers:argumentative essayI Iargument evidence restatementActivity 3 Reading for detailed information.Read the two texts on Page 32 and find the argumentszevidence and restatement in the

27、m.Suggested answers:Text 2Sea exploration argument -；. caused problems.卜evidence 1Text 1-Pollution.-Mining.-Overfishing.Less exploration restatement-.* and more protection.Sea exploration is important argument - rr.r for our future.Scientific research ships help address important issues. jUnderstand

28、ing the sea helps usmanage its resources better. We need new resources forfuture development.一 Sea exploration and environment restatement -. 11tl .protection should be balanced.Activity 4 Reading charts.Look at the two charts below and decide which one supports which text.oooooooooo987654321(suNJ3A

29、O)s三ds=0JOJaquln/1970-1979 1980-1989 1990-1999 2000-2009C8B一uvEvdDecline in oil spillsOverfishedFully fishedUnderfished 1979 1984 1989 1994 1999 2004 2009 2013Global trends in the state of world marine fish stocksSuggested answers:Text 1: Global trends in the state of world marine fish stocksText 2:

30、 Decline in oil spillsStepO DiscussionActivity 1 In groups, discuss the following questions.1 .What is your opinion about sea exploration?2 .Are there any other aspects of sea exploration not mentioned that you think are important?Suggested answers:3 .From my perspective, sea exploration is a wonder

31、ful thingzwhich may well serve us human beings in the future.4 .Yes, there are. We need to explore the ocean so that we can better understand issues such as acidification which leads sea water to become more acidic, and how to deal with such problems.Activity 2 Writing.Write an argumentative essay o

32、n sea exploration.The following questions may help you.What is the purpose of sea exploration? How does sea exploration help us to protect the sea? How does sea exploration cause damage to the sea? Is there a good balance between protection and exploitation?Suggested answer:We should explore the oce

33、an, first and foremost, because we do not know what we do not know. We thought we knew much about the ocean, but we were wrong. There could be life forms in the ocean, for example, that fit none of the categories we have for life. We already know many things about the ocean, but we need to learn mor

34、e. A good example is ocean acidification, which is causing coral reefs to die. We know that using less fossil fuel would cause the process to slow down. We need more research to come up with plans and solutions.To do the research, we have to enter an extreme environment not friendly to humans. This

35、requires the development of new technologies that can also benefit us in other areas.All in all, there are many good reasons to explore the ocean. If we care about science, about protecting our oceans, and about developing new technologies, we need to do all we can to support ocean exploration.Step团

36、 Evaluating and polishing the draftActivity 1 Use the PEEL method to help structure your argument.Point What point do you want to make?Evidence What facts and examples can you find to support your point? How reliable are the sources?Explanation Explain how the facts support your opinion and show oth

37、er opinions to be incorrect.LinkConnect this point to the next point,or back to the main point ofthe essay or paragraph.Activity 2 Polish your draft and share it with your partners.StepBHomework1 .Continue to polish your draft.2 .Read through the passage on Pages 78 and 79 and finish the writing. (W

38、orkbook P79 Reading and Writing)Suggested answers:Topic: Reducing pollutionToday our oceans are under threat because of pollution. What can we do to stop the crisis?First, we can stop using single-use plastic products such as plastic shopping bags. These products can take 450 to 1,000 years to biode

39、grade. Our oceans have become one giant rubbish bin of plastic waste, threatening sea life. We can keep this problem from growing by recycling bottles and using our own shopping bags at the market.Second, we can make stronger laws so that farmers will not use chemicals harmful to the environment and

40、 factories will not be able to dump their waste into our waters. Since all rivers in the end empty into the sea, chemicals from a farm or factory will eventually make their way to the ocean, killing sea life and destroying the ocean/s delicate balance.Third, we can reduce our carbon footprint by using less fossil fuel. While this