北师大选修7高二教案：Unit21 Lesson2 Brain Power（1）.doc

unit 21 human biologylesson 2 brain powerteaching aims:1. to practise using listening strategies for completing a text2. to practise giving and asking for advice.3. to practise using phrasal verbs4. to practise using the vocabulary of science5. to practise using the vocabulary of parts of the bodyteaching difficulties: 1. to practise giving and asking for advice.2. to practise using phrasal verbsresources used: computer and cassetteteaching procedures:warm upt: first lets read the words about brain. now read together.s: t: every day we use our brain. especially our students all hope to own clever brain. however, how much do you know about your brain? how does it work? listeningbefore you listen, read the text, and predict what kind of information you need, do the exercise 2 listen to a science lesson, use the strategies to complete the gaps in this summary.listen to the tape again do the following the exercise.1. the brain _. a. looks like a potato. b. weigh 20 of the body. c. control all our movements.2. the different areas of the brain _. a. are responsible for different function. b. have no connection. c. havent been mapped.3. it is _ that listen and see whats happening around us. a. ears and eyes. b. brain c. nervous system.answers : c a b listening and speaking do the exercise 3listen to the lesson again and answer these questions.1. how do you think the teacher feels about his subject?2. what example does he use to explain the way the brain controls different parts of the body?3. what does he compare to a film studio?answers: 1.enthusiastic 2. computer 3. the areas of the brain related to controlling sight and hearing. listeninglisten to the cassette and answer the questions1. the dialogue is between_. a. host and listener. b. teacher and student. c. doctor and patient.2. caller one _. a. is learning french and german. b. pay attention to getting things organized. c. always makes a list of things that will be bought.3. caller two thinks _. a. drinking coffee can keep the brain working well. b. it is good for the brain to take a walk. c. you should go for library to study for hours for the exam.4. caller three thinks_. a. you should think about the exam all the time. b. if you do something you should give yourself reward. c. you must watch a film or listen to some music before exam.answers: a b b blisten to a student phone-in program about revising for exams and complete the table. do the exercise 4 speakingwhich piece of advice do you think is the most useful? why?listeningdo