Unit 5 Into the unknown Developing ideas（ppt课件）-新外研版（2019）《高中英语》选择性必修第四册.pptx

1、Facing the unknownFacing the unknownRead the passage and answer the questions.1 What functions of the brain are mentioned in the passage?The brain functions mentioned include its being the centre of the nervous system and controlling most of the bodys activities,including vision,memory,speech and rh

2、ythm.2 What is the current research situation concerning the brain?There is still a long way to go before we can completely understand the workings of the brain.Activity 7Facing the unknownFacing the unknownListen to the interview and choose the topic discussed.1 Methods to keep the brain healthy an

3、d active.2 Sleep-related mysteries.3 Ways of improving sleep quality.4 Methods of interpreting dreams.Activity 8Facing the unknownFacing the unknownListen again and complete the table.Activity 9Facing the unknownFacing the unknownListen again and complete the table.Activity 9rest and do maintenancer

4、emain activemakes lots of poisonous chemicalsremove these chemicalsenough datathe most important reason/ment()nns/Facing the unknownFacing the unknownListen again and complete the table.Activity 9New connections are formed between different partssleep is necessary to this functionuses them to form n

5、ew memoriesWhy do some people dream in colour and others dont?Facing the unknownFacing the unknownComplete the boxes with the expressions from the interview.Activity 10 Could you tell us something about?What other reasons could there be for it?Would you tell us more about?Its because prove thatB7U5D

6、eveloping ideasSo far,So far,Weve learned an _(genre),covering _.Weve also explored _.exposition the Mayas mysteries and possible reasons the sleep-related mysteries of our brainToday,Today,We are going to explore 1 What different zones are there in the ocean?Sunlight Zone,Twilight(暮光暮光)Zone,Midnigh

7、t Zone and Abyssal(深海的深海的)Zone.2 Which parts of the ocean do you think have been explored?3 What do you know about the deepest part of the ocean?the ocean.The genre:Exposition The general idea:Ocean exploration leads to various scientific discoveries.The structure:Global readingGlobal readingDetaile

8、d readingDetailed reading1 Why does the author lead in with Esmeralda?It represents our past attempts to explore the Earth as well as recent discoveries in ocean exploration.2 How does the author show our limited understanding of the ocean?By comparing it with how much we know about the land,space and the ocean.Vasco da Gamas Esmeralda