Unit 3 Sea Exploration Listening and Speaking -ppt课件 2021-2022学年高中英语新人教版选择性必修第四册.pptx

1、Listening and Speaking P30-31新新人教选择性必修人教选择性必修Book 4 Unit 3 Sea ExplorationLead-in:How much do you know about whales?1Get to know about whales and other sea animalsWhat do you know about whales?Whales are mammals.Whales are the heaviest known animals.Two types of whale:baleen(须鲸须鲸)and toothed(齿鲸齿鲸).W

2、hales eat small fish and other sea life.Read 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?This research helps us learn more about the wonderful world we live in,and abou

3、t these amazing creatures so that we can better protect them.2Listen to the head researcher talking to the campers at the end of the day.What three things were the campers asked to do?1._ _2._ _3._ _ _Listen for sequence/sikwns/顺序When people talk about a series of actions or events happening in sequ

4、ence of time,they often use certain words and phrases,such as first,next,then,after that,later,and finally.to find out some facts for a whale profile to think about why they do whale researchto go out with and write a report of the work they do3Listen to Lukes part of the conversation again.Number t

5、he 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 noted

6、 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.First,we followed a group of whales with the boat.Later,we created a database of thei

7、r fins and locations.12345678n.目录;名录n.迁徙4First(ly),Second(ly),.Third(ly),.First of all.Then/After that/Afterwards/Next/Later onIn the end/At last,.At that time.It began when.Meanwhile Later FinallyExpressing sequence adv.与此同时EXAMPLEA:Today we learnt about whales and whale research.First,we found som

8、e information and facts about whales.We used the library and the Internet.B:What did you do after that?Listen to the conversation again and answer the questions.Look at the questions and circle the key words.1.How many species of whales are there?2.What is the criterion to divide the main types of w

9、hales?3.What do whales use sounds for?4.Why do the campers take pictures of the whales fins?5.Why do they contact other research groups?51.How many species of whales are there?Over 80.2.What is the criterion to divide the main types of whales?The criterion is whether they have_.3.What do whales use

10、sounds for?They use sounds to_.4.Why do the campers take pictures of the whales fins?This can help them to _.5.Why do they contact other research groups?They want to_ with them.标准 teeth or notcommunicate and hunttell the whales apart share informationComplete the mind map and talk about whales.Whale

11、sover 80 speciesWhaleswith teethWhaleswithout teethfoodspeciesfoodtypical species fish,sea animals 70 small organisms blue whale length weight 100feet 200tonsWatch the video Protecting Biodiversity and answer the questions.What sea animals can you see in the video?What other sea animals would you li

12、ke to see?What would you like to know about these sea animals?Where are they?At Sea World in Queenland,AustraliaAt the Houston Aquarium in the United StatesIn the Galapagos Islands,加拉帕戈斯群岛 Ecuador/ekwd(r)6 What sea animals can you see in the video?What sea animals did you see？jellyfish 水母seals octop

13、usreef sharkscrabsTalk with your partner and make a plan for a trip to see the animals.Your plan should include activities you would like to do.TimePlaceRoute 1ActivityPurpose of the activityRoute 2Suggested Trip and ActivitiesFor our trip,we would like to go to the Shanghai Ocean Aquarium,whose the

14、me is“Spanning five continents by a connection of water”,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 people do not know much about seahorses at all.I think we need to raise awareness abo

15、ut 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,like Chinese alligator and Chinese Sturgeon.Do you think human beings can still see various sea animals in 100 years and why?Do you think protecting biodiversity is an urgent matter and why?Write down your thoughts in 100 words.