英语北师大版选修7 Unit21 Lesson 2 《Brain Power》 PPT1课件
北师大高中英语选修七Unit21Lesson2课件
Lookatthefollowingwordsforabouttwo minutesandthenwritedownasmanyasyo ucanremember. Trytofindouttheirrelationship. (Ithelpsyoutorememberbetter.)
chew digestion normal world
l_eamrnyerde…visfiroonmsessions.Ialwaysbeganbygoingo ver(4)________________laoopkriancgtaitc…etiensdtIehtaaildd
one-
checkingmyanswersandfindidnigsocuotv(e5r)i_n_g___ _____whatI’dgotwrong.Ialsotriedtoworko ut(6u)_n_d_e_r_s_ta_n_d__whyI’dmademistakes.IfI didn’tunderstandsomething,
高中英语课件
（madeofdingshangtuwen）
Lesson2 BrainPower
MatchtheKeyWordswiththedefi nitions(1-5).
atom,billion,cell,nervecell,org an
1.onethousandmillion billion
foreign
Listentothelessonagainandanswert hesequestions.
1.Howdoyouthinktheteacherfeelsabo uthissubject? Enthusiastic.
2.Whatexampledoesheusetoexplainthe waythebraincontrolsdifferentpartsof thebody?
英语：选修7 Unit21 Human Biology-Lesson2 Brain Power课件1(北师大版)
Listening strategies: completing a text 1.Before you listen,read the text and predict what kind of information you need. remember you may need more than one word 2.Underline some important words in the text before each gap.
Exercise 2
Listen to a science e the strategies to complete the gaps in this summary
The brain consists of grey and (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 which are responsible for (6) . The area of the brain related to controlling(7) could be compared to miniature film studios. Our eyes and ears send signals(8) , and it is our brain that interprets these signals and builds up a picture of the outside world. Scientists have also identified areas responsible for different emotions,such as(9) , love and laughter. There are also different areas for different types of thinking, such as learning your own language and learning a (10) language.
北师大版高中英语选修7Unit 21 Lesson 2 Brain Power课件3 北师大版 选修7课件ppt
cancer put off
severe flying
postpone go through machine digest
Tell your partner :
How can you manage to remember new words ?
Important word(s) before each gap :
1. consist of 2. weighs 3. energy 4. contain 5. more … than …
6. are responsible for 7. controlling 8. signals 9. emotions 10. own (language)
How is your memory ?
more than 9, 7-8 , 4-6 , less than 3
Before you start :
Complete the sentences with the following words .
atom , billion , cell , nerve cell , organ , function , sight , hearing ,fear
7.A nerve cell is a tiny part of the body that helps carry messages to and from the brain .
8.He will finish the job without fear of hardship or death .
cancer put off
severe flying
postpone go through machine digest
北师大版高中英语选修7Unit 21 lesson 2 Brain Power 2
Unit 21 Lesson 2 Brain powerTeaching aims1.words and phrases：2. listening:to practise using listening strategies for completing a text.To practise giving and asking for advice3.to practise using phrasal verbs4.to practise using the vocabulary of parts of the bodyTeaching timeTwo periods(两课时连堂)Teaching processStep 1 RevisionCheck homework exercisesStep 2 learn the new words of lesson 21.ask some students to read the new words first and correct their pronunciation2.play the tape and have them read after the tape3.give them a few minutes to read the new words freely ,tell them if they can’t read the words, ask the teacher .step 3 listening1.Before you starta)students work in pairs, matching the key words with the definitions.b)check their answers.c)ask them to read the key words and the definitions.2.listen to learnexercise 2:a)ask four students to read the listening strategies. make sure they get themeaning.b)give them a few minutes to read through the summary.c)play the tape once for students to listen and write abbreviations for the missing words.c)play again for students to complete the gaps.d)check their answers.3. exercise 3.a)let the students read through the questions .b)play the tape two or three times.c)Ask some students to answer the questions4.exercise 4a)listen to a student phone-in programme about revising for exams and completethe table.b)play the cassette twice, then give them some time to complete the table.c)check their answers.5.exercise 5.a)give students time to read the Function File and the list of words and see if they can guess any of the missing words.b)play the tape two or three times for students to complete the function file.c)check their answersd)read the function filestep 4 vocabulary: phrasal verbs1.exercise 7a)ask students to read through the text quickly.b)ask them to read the given words and expressionsc)give them some time to do the exercise individually.d)check students’ answers.step 5 HomeworkExercise 1 on page 83。
北师大版高中英语选修七Unit 21《Lesson 2 Brain Power》课件 3
understand
Why I’d made mistakes . If I didn’t understand Something , I’d (6) write it down and then (7)
1. white
6. different functions
2. just over a kilo
3. 20℅
7. sight and hearing 8. all the time
4. 100 billion cells
9. fear
5. atoms in the universe 10. foreign
normally do !)
postpone
and got up early every morning to (2) get down
to work straight away .
start
I am a “morning person” and I got a lot out of my revision sessions . I always began by (3) going over a practice test I had done – looking at in detail checking my answers and (4) finding out what
Function File:
Giving and Asking for Advice
Listen again and complete the Function File with these words
北师大高中英语选修七Unit21Lesson1《BrainPower》课件
Maurice Greene,now retired, is an American former 100 meter athlete, who holds several world records and Olympic medals. He was a former world record holder for the 100 meters , with a time of 9.79 seconds.
Word Bank
If someone _v_i_o_l_a_t_e_slaw, he/she will get
punished.
Task 4 Consolidation
According to Task 2 Ex.3 talk briefly about the text .
Homework
Marion Jones is an American former world champion track and field athlete. She won five medals at the 2000 Summer Olympics in Sydney, but has lost all medals and prizes after admitting that she took performance-enhancing drugs. She announced her retirement from track and field on October 5, 2007.
4)Doping is only a problem in athletics.
5)The Olympic spirit of competition emphasizes winning rather than taking part.
北师大版模块7 Unit 21 Lesson 2 课件
Plan the revision, work out a timetable, stick to it Get some exercise, don’t drink a lot of coffee
Caller2: Charlie’s advice
up nerve cells. These nerve cells are connected by electrical impulses. There are more possible
connections
in
one
brain
than
there
are
(5)
atoms in the universe . Scientists have mapped _______________________
laughter. There are also different areas for different types
of thinking, such as learning your own language and
foreign learning a (10) ___________ language.
different areas of the brain which are responsible for (6)
different functions . ____________________
The areas of the brain related to controlling (7)
signals and builds up a picture of the outside world. Scientists have also identified areas responsible for
高中英语Unit21Lesson2《BrainPower》课件3北师大版选修7
8.He will finish the job without fear of hardship or death .
cancer put off
severe flying
postpone go through machine digest
chew digestion normal world
gum famous
get through cure
pull through
sugar-free abnormal digestive
cancer put off
severe flying
postpone go through machine digest
Tell your partner :
How can you manage to remember new words ?
Listening :
Remember , you may need more than one word in each gap .
Check your answers :
1. white
6. different functions
2. just over a kilo
3. 20℅
7. sight and hearing 8. all the time
How is your memory ?
more than 9, 7-8 , 4-6 , less than 3
Before you start :
高二英语(师大版)-选修七 Unit 21 Human Biology(3)-2PPT课件
Strategies
Question 1: What should you do before, while and after listening in order to retell what you’ve heard?
Process of listening and note-taking
res for “research”; sys for “system”; diff for “different”…
Useful abbreviation techniques
2. Remove all (or most of) the vowels from the word and use just the key consonants to help recognize the word. e.g. mt for “matter”; rcv for “receive”;
2. What advice do you have to take notes quickly and clearly so that it won’t be another challenge to decode your notes?
3. What do you think are the criteria for afterlistening retelling?
details, the logic and other information if possible. • After listening, review and complete your notes.
Good reasons to take notes in listening • Taking notes helps to concentrate and listen
高中英语Unit 21 lesson 2 Brain Power 2北师大版选修7
Unit 21 Lesson 2 Brain powerTeaching aims1.words and phrases：2. listening:to practise using listening strategies for completing a text.To practise giving and asking for advice3.to practise using phrasal verbs4.to practise using the vocabulary of parts of the bodyTeaching timeTwo periods(两课时连堂)Teaching processStep 1 RevisionCheck homework exercisesStep 2 learn the new words of lesson 21.ask some students to read the new words first and correct their pronunciation2.play the tape and have them read after the tape3.give them a few minutes to read the new words freely ,tell them if they can’t read the words, ask the teacher .step 3 listening1.Before you starta)students work in pairs, matching the key words with the definitions.b)check their answers.c)ask them to read the key words and the definitions.2.listen to learnexercise 2:a)ask four students to read the listening strategies. make sure they get themeaning.b)give them a few minutes to read through the summary.c)play the tape once for students to listen and write abbreviations for the missing words.c)play again for students to complete the gaps.d)check their answers.3. exercise 3.a)let the students read through the questions .b)play the tape two or three times.c)Ask some students to answer the questions4.exercise 4a)listen to a student phone-in programme about revising for exams and completethe table.b)play the cassette twice, then give them some time to complete the table.c)check their answers.5.exercise 5.a)give students time to read the Function File and the list of words and see if they can guess any of the missing words.b)play the tape two or three times for students to complete the function file.c)check their answersd)read the function filestep 4 vocabulary: phrasal verbs1.exercise 7a)ask students to read through the text quickly.b)ask them to read the given words and expressionsc)give them some time to do the exercise individually.d)check students’ answers.step 5 HomeworkExercise 1 on page 83。