Unit 9 Lesson 2 Brain Power （ppt课件+音频）-2023新北师大版（2019）《高中英语》选择性必修第三册.zip

Lesson 2 P56-57新新北师大选择性必修北师大选择性必修Book 3 Unit 9 HUMAN BIOLOGY BRAIN POWERbrainlungsstomachheartliverkidney1.This organ weighs about a kilo and is made up of two sides.It is like a super computer that processes information.brainLets guess what organs they are.2.This organ beats at regular intervals 100,000 times a day.With each beat,it circulates 80 ml of blood through the body!It pumps blood into the lungs,where it receives oxygen,before being pumped around the rest of the body.heart3.These organs absorb oxygen and get rid of carbon dioxide.They are found on either side of the heart.They receive air as a result of breathing and when blood passes through,They give it oxygen.lungs4.This organ is like a bag which receives everything you eat.It digests your food and sends vitamins and minerals into the blood.stomachWhat is the most important organ among the different parts of body?It is the brain that determines how you stand out and get ahead.Now lets test our brains.Circle the odd one out.Circle the odd one out.1Pair Work.Match the words from the box with their definitions.1.one thousand million 2.a part of the body that has a particular purpose,e.g.the heart3.the smallest piece of something that can exist alone4.a tiny part of the body that helps carry messages to and from the brain5.a unit of living matteratom nerve billion cell organbillionorganatomnervecell2Before listening to a lecture about the brain,read the statements and write Tor F.1.The brain consists of only white matter.2.The brain weighs just over a kilo.3.The brain contains about one billion cells.4.The brain uses 10%of the bodys energy.5.The brain sends messages in the same way as a computer works.6.There are more possible connections in your brain than there are atoms in the universe.FTFFTT3Listen to the lecture and check your answers to Activity 2.Correct the false ones.1.The brain consists of only white matter.1.The brain consists of grey and white matter.3.The brain contains about one billion cells.3.The brain contains over one hundred billion cells.4.The brain uses 10%of the bodys energy.4.The brain uses 20%of the bodys energy.4Listen again.Complete the information you hear about the brain.Then tell your partner what you have learnt about the brain.What matter does it consist of?Grey and white matterHow much does it weigh?How much bodys energy does it use?How many cells does it contain?just over a kilo20%one hundred billion cellsHow are messages sent?The brain cells make up _,which are connected by _.The brain sends messages using _.What have we learnt about the brain in the last ten years?There are different areas in the brain,which are _.We now know which parts of the brain _ different parts of our _ from them.The Brain also has different areas for different kinds of _.You have one area for your _ and another area for _.nerve cellselectrical impulseselectrical impulsesresponsible for different functionsare related tobody and feelingsthinkingfirst languagea foreign language that you learn when you are olderComplete the summary with the words from the lecture.5The brain consists of _ matter.It weighs _.It uses _ of the bodys energy.It contains over _ which make up nerve cells.These nerve cells are connected by electrical impulses.just over a kilogrey and white20%one hundred billion cellsThere are more possible connections in one brain than there are _.Scientists have mapped different areas of the brain that are responsible for _.There are also different areas for different types of thinking,such as learning your own language and learning a _ language.atoms in the universedifferent functionsforeign6Listen to a student phone-in programme and complete the table.What problem do they have?What can they do?Anna:Memory isnt as good as it used to be,so do brain exercises really work?challenge their brain with learning new things they are not good at John:Bella:What problem do they have?What can they do?Exams are coming up,so he wonders if there are certain foods that are good for the brain.cut down on junk food,increase the intake of Omega-3 fatsIs there any particular kind of exercise that can improve the health of her brain?do exercise that is good for the heart,such as walking and running 7Listen and imitate.Complete the Talk Builder.Asking for and Giving AdviceAsking for Advice1._ try them?2._,Professor Kim?3.So what kinds of activites _?4.Is there any particular kind of exercise.?_?Should IWhats your advicedo you suggestWhat should I doAsking for and Giving AdviceGiving Advice1._ try learning a new language?2._ is to cut down on junk food.3._ increase your intake of.4._ do exercise that is good for your heart.You couldOne thing you can doIt might also be a good idea toI advise you to8Search online in groups for more ways to increase brain power.Then give a short presentation to the class.More ways to increase brain power:Eat brain-boosting food.Get enough sleep.Get enough exercise.Cut down on stress.Learn something new.Try to make a short presentation with the information.新北师大选择性必修新北师大选择性必修Book 3 Language points P56-57Unit 9 HUMAN BIOLOGY 1.What matter does it consist of?句意：它是由什么物质组成的？句意：它是由什么物质组成的？consist of 由由组成；由组成；由构成构成例句：例句：The committee consists of ten members.这个委员会由十个成员组成。这个委员会由十个成员组成。consist in 在于；存在于在于；存在于例句：例句：His work as a consultant consisted in advising foreign companies on the siting of new factory.身为一名顾问，他的工作是为外国公司在新厂选址身为一名顾问，他的工作是为外国公司在新厂选址问题上提供建议。问题上提供建议。2.These make up nerve cells,which are connected by electrical impulses.句意：这些（脑细胞）构成了神经细胞，神句意：这些（脑细胞）构成了神经细胞，神经细胞由电脉冲连接起来。经细胞由电脉冲连接起来。make up 形成；构成形成；构成例句：例句：Women make up 56%of the student numbers.女生占学生人数的女生占学生人数的56%。make up 编造；虚构（故事、借口等）编造；虚构（故事、借口等）例句：例句：Its unkind to make up stories about others.编造别人的故事是不友善的。编造别人的故事是不友善的。3.If your brain has the correct fuel,it can work at its best.句意：如果你的大脑获得正确的养料，它就句意：如果你的大脑获得正确的养料，它就能保持最佳工作状态。能保持最佳工作状态。at ones best 处在最佳状态处在最佳状态例句：例句：The most rewarding result of doing work is that I get to know when and where to be at my best.在工作的过程中，我最大的收获就在工作的过程中，我最大的收获就是懂得了应该在何时何地保持最佳状态。是懂得了应该在何时何地保持最佳状态。The peach blossoms are at their best now.桃花开得正盛。桃花开得正盛。4.One thing you can do is to cut down on junk food.句意：你能做的一件事就是少吃垃圾食品。句意：你能做的一件事就是少吃垃圾食品。cut down(on sth)消减，缩小（尺寸、数量消减，缩小（尺寸、数量或数目）或数目）例句：例句：The doctor told him to cut down on his drinking.医生劝他少喝酒。医生劝他少喝酒。cut down 砍倒（树木）砍倒（树木）例句：例句：That man cut down a tree with a chainsaw.那个男人用链锯砍倒了一棵树。那个男人用链锯砍倒了一棵树。Thank you!