Unit9 Human Biology Brain Power课件-2025-2026学年高中英语北师大版选择性必修第三册

1 Unit 9 Human Biology Lesson 2: Brain Power 2 1. atom _____________ 2. nerve _____________ 3. organ ____________ 4. contain _____________ 5. impulse ____________ 6. locate __________ 7. crossword _________ 8. zone __________ 9. matter ___________  10. make up __________ 11. consist of _________ 12. connection _________ 13. be related to ______ 14. weigh ________ Vocabulary Quiz 原子 神经 器官 包含；容纳 冲动；脉冲 位于；定位 填字游戏 区域；地带 物质；事情；要紧 组成；编造；化妆 由……组成/构成 连接；联系 与……有关 称重；重量为；权衡 3 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 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 matter billion organ atom nerve cell 4 Listen to Dialogue 1. 5 1. What is the topic of the lecture? A. The brain. B. The cells. C. The areas. 2. How much does the brain weigh? A. A kilo. B. Less than a kilo. C. Just over a kilo. 3. What is the brain made up of ? A. Grey and black matter. B. White and grey matter. C. White and black matter. 4. How does the brain send messages? A. By using brain areas. B. By using electrical impulses. C. By using the body's energy. Listen and choose the best answer. √ √ √ √ P.69 6 扫清听力障碍 1. the topic of today's lecture 2. an absolutely amazing organ 3. consist of 4. grey and white matter 5. just over a kilo 6. a very special kilo 7. twenty percent of the body's energy 8. over one hundred billion cells 9. make up nerve cells 10. be connected by electrical impulses 11. send messages 12. the same way as a computer works 1.今天讲座的主题 2.一个极其神奇的器官 3.由……组成 4.灰质和白质 5.刚超过一千克 6.一千克非常特别的（东西） 7.身体能量的百分之二十 8.超过一千亿个细胞 9.构成神经细胞 10.通过电脉冲连接 11.传递信息 12.和电脑的工作方式一样 7 扫清听力障碍 13.possible connections 14.more possible connections than atoms in the universe 15.makes a normal computer look simple 16.in the last ten years 17.exploring the world 18.found that 19.different areas in the brain 20.be responsible for different functions 13.可能的连接（方式） 14. 比宇宙中的原子数量还要多的可能连接 15.让普通电脑都显得很简单 16.在过去的十年里 17.探索世界 18.发现…… 19.大脑中的不同区域 20.负责不同的功能 8 扫清听力障碍 21.be related to different parts of our body 22.a good example of this 23.lost an arm or a leg in an accident 24.still have feelings from it 25.different kinds of thinking 26.first language 27.foreign language 28.when you are older 29.locating different areas of the brain 21.和我们身体的不同部位相关 22.这方面的一个很好的例子 23.在事故中失去了手臂或腿 24.仍然能感觉到它（肢体） 25.不同类型的思维 26.母语 27.外语 28.当你长大以后 29.定位大脑的不同区域 9 Read the statements and write T(true) or 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 body’s 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. F T F T T T P.56 10 10 Listen and answer the first four questions. grey and white matter over 1 kilo 20% over 100 billion cells P.56 11 Listen and fill in the blanks. How are messages sent? The brain cells make up _____ ____, which are connected by _________ ________. The brain sends messages using electrical impulses. 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 __ ______ _________ that you learn when you are older. a foreign language nerve cells electrical impulses responsible for different functions thinking first language are related to body and feelings P.56 12 Complete the summary with the words from the lecture. The brain consists of 1. _____________ matter. It weighs 2. ____________. It uses 3. _____ of the body’s 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. __________________. Scientists have mapped different 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. just over a kilo 20% one hundred billion cells atoms in the universe different functions foreign grey and white P.57 13 Listen to Dialogue 2. 14 1. What is the topic of the programme? A. Brain health. B. Mental exercises. C. Physical exercises. 2. Who is Kim? A. He is the presenter. B. He is a caller. C. He is an expert. 3. What is Bella's question about? A. It is about poor memory. B. It is about physical exercise. C. It is about healthy foods. Listen and choose √ P.70 √ √ 15 (1) Let's _____ ____ our first caller now. (2) Yes, I've noticed that my memory isn't as good as it ________ ________ ________… (3) … and I've read about ________ ________ — you know, crossword puzzles, games, quizzes, that kind of thing. (4) However, to really exercise the brain, you need to ________ it. (5) This keeps the brain ________ and helps improve memory. (6) You could try learning a new language, learning to dance or learning to paint… anything that takes you ________ ________ ________ ________. Listening for the understanding of language P.70 turn to used to be brain exercises challenge flexible outside your comfort zone 16 (7) I've got some big exams ________ ________ next month… (8) If your brain has the correct ________, it can work ________ ________ ________. (9) One thing you can do is to ________ ________ ________ junk food. (10) It might also be a good idea to increase your ________ of Omega-3 fats, which are an important brain food. (11) ___________ stuff. Join us after the break… Listening for the understanding of language P.69 coming up fuel at its best cut down on intake Fascinating 17 Thank You 132576.55 180777.17 $