1、Lesson 2 Brain powerUnit 9 Human BiologyVocabulary atom n.原子 atomic adj.原子的;原子能的;nerve n.神经；焦虑，紧张 nervous adj.神经紧张的；organ n.器官 organic adj.有机的；器官的 contain vt.包含，容纳，装盛 container n.容器 locate vt.&vi.找出的准确位置 location n.位置 be located in/at 位于 zone n.地区，地带 time zone 时区 comfort zone 舒适区 intake n.摄入量，摄取量 ta
2、ke in 吸收，领会；欺骗Activate and shareHow much do you know about the brain?Different areas of the brain are responsible for different functions.额叶额叶顶叶顶叶颞叶颞叶枕叶枕叶小脑小脑协调协调Match the words from the box with their definitions.atom nerve billion cell organ()1.one thousand million()2.a part of the body that has a
3、 particular purpose,e.g.the heart()3.the smallest piece of something that can exist alone()4.a tiny part of the body that helps carry messages to and from the brain()5.a unit of living matterbillionorganatomnervecellBefore listening to a lecture about the brain,read the statements and write T(true)o
4、r F(false).()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
5、 than there are atoms in the universe.Listen to the lecture and check your answers to Activity and correct the false ones.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 sen
6、ds 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.grey and white matter.over one hundred billion cells.20%Listen again.Complete the information you hear about the brain.Then tell your partner what you have learnt
7、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%over one hundred billion cellsHow are messages sent?The brain cells make up _,which are connected by _.The brain sends messag
8、es using _.nerve cellselectrical impulseselectrical impulsesWhat 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
9、 _.You have one area for your _ and another area for _.responsible 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.The brain consists of 1._ matter.It weighs 2._.It us
10、es 3._ of the bodys energy.It contains over 4._ which make up nerve cells.These nerve cells are connected by electrical impulses.There are more possible connections in one brain than there are 5._.grey and whitejust over a kilo20%one hundred billion cellsatoms in the universeScientists have mapped d
11、ifferent areas of the brain that are responsible for 6._.There are also different areas for different types of thinking,such as learning your own language and learning a 7._ language.different functionsforeignYou will listen to a call-in radio programme with five persons.One person is the presenter,
12、and one person is a guest professor.The other three people will ask the professor questions.Listen to the 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
13、things they are not good atWhat problem do they have?What can they do?John:_ on junk food,_ of Omega-3fatsBella:_ Exams is coming up,so he wonders if there are certain foods that are good for the brain.Is there any particular kind of exercise that can improve the health of her brain?cut down increas
14、e the intakedo exercise that is good for the heart,such as walking and runningEat healthy foods.They contain vitamins and minerals that are important for the nervous system.Get a lot of playtime(exercise).Wear a helmet when you ride your bike or play other sports that require head protection.Dont dr
15、ink alcohol,take drugs,or use tobacco.Use your brain by doing challenging activities,such as puzzles,reading,playing music,making art,or anything else that gives the brain a workout!So what can we do for the brain?Asking for advice1 _ try them?2 _,Professor Kim?3 So what kind of activities _?4 Is th
16、ere any particular kind of exercise?_?Giving Advice1 _ try learning a new language2 _ is to cut down on junk food.3 _ increase your intake of 4 _ do exercise that is good for your heart.Listen and imitate.Complete the Talk Builder.Should IWhats your adviceYou couldOne thing you can doIt might also b
17、e a good idea toWhat should I doI advise you todo you suggestTalk BuilderAsking for and Giving AdviceAsking for adviceGiving adviceCould I ask for your/some advice on/about.?What do you think I should do?What would you do in this situation?Can you give me some advice?Should I?I think you should.Why
18、dont you.?What/How about.?Have you tried/considered.?If I were you,I would.Youd better.I advise you toWhat do you advise me to do?If you were me what would you do?I would appreciate your advice on/about.Could I ask what your reaction would be.?Whats your advice?What should I do?You ought(not)to.I(do
19、nt)think you should/ought to.It might(not)be a good/bad idea to.One thing you could/should/have to do is.It uses twenty percent of the bodys energy and it contains over one hundred billion cells.它消耗身体它消耗身体20%的能量，包含超过的能量，包含超过1000亿个细胞。亿个细胞。contain vt.1)to have something inside or include something as
20、a part 包含包含,含有含有,容纳容纳 e.g.This drink doesnt contain any alcohol.2)to control or hide a strong emotion,such as excitement or anger 控制控制,克制克制,抑制抑制(感情感情)e.g.She was unable to contain her excitement.contain oneself 克制自己；自制克制自己；自制container n.容器容器e.g.I was so angry I just couldnt contain myself.我太生气了，简直无法
21、克制自己。我太生气了，简直无法克制自己。Food will last longer if kept in an airtight container.如果贮藏在密封的容器里，食物能保存比较久的时间。如果贮藏在密封的容器里，食物能保存比较久的时间。【语境应用语境应用】根据语境猜测根据语境猜测contain的意思。的意思。1)How much liquid do you think this bottle contains?_2)She could no longer contain her anger and shouted at him uncontrollably._包含，容纳包含，容纳抑制
22、抑制(感情感情)contain通常指某容器中盛有、装有某物；还可指通常指某容器中盛有、装有某物；还可指某种物质中含有某种成分。不能用于被动某种物质中含有某种成分。不能用于被动语态和进行时。语态和进行时。include通常表示把某事物或某人作为其中的一部通常表示把某事物或某人作为其中的一部分包含在内，在句中常构成分词短语分包含在内，在句中常构成分词短语sth./sb.included或或including sth./sb.e.g.The class of forty includes twenty girls.contain,includeSearch online in groups for more ways to increase brain power.Then prepare a short presentation to the class next time.
