英语北师大版选修7-Unit21-Lesson-2-Brain-Power-1课件.ppt（纯ppt,可能不含音视频素材）

1、Brain Power Look at the following numbers for about oneminute and then write down as many as youcan remember.meeting,student,school,homework,study,playground,match,teacher,basketball,exam ,mark,sports,film,hand in,holiday,watch,game Test your memory Match the key words with the definitions.atom,bill

2、ion,cell,nerve cell,organBefore you start: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 1.one thousand million2.a part of the body that has a particular purpose,e.g.the heart,the liver Keys:b

3、illion,organ,atom,nerve cell,cellComplete the sentences with the followingwords.atom,billion,cell,nerve cell,organ,function,sight,hearing,fear Key words study atom,billion,cell,nerve cell,organ,function,sight,hearing,fear 1.He watched the boat until it is out of .2.How many are there in the universe

4、?3.The medicine is made to kill cancer .4.The eye is the of sight.5.The population of China reaches up to 1.3 .sightatomscellsorganbillionatom,billion,cell,nerve cell,organ,function,sight,hearing,fear 6.The of the heart is to pump blood through the body.7.A is a tiny part of the body that helps carr

5、y messages to and from the brain.8.He showed no in facing the big difficulty.functionnerve cellfear Completing a text1 Before you listen,read the text and predict what kind of information you need.2 Underline some important words in the text before each gap.3 While you are listening,listen for these

6、 important words the information you need should follow them.4 You can complete the gaps using abbreviations then write them in full.Listening strategies:Important word(s)and our predictionsFor example:1.consist of a color 2.weighs how heavy?(number)3.energy how much?(number)4.contain how many much?

7、(number)Important word(s)before each gap:1.consist of 6.are responsible for2.weighs 7.controlling 3.energy 8.signals4.contain 9.emotions 5.more than 10.own(language)1 Listen for the first time:get a general idea.Dont hurry to write down your answers.2 Listen again:write down your answers and check w

8、ith your partners.3 Listen for the last time:check your answers again and make sure they are right.Listening Listen to the science lesson.Use the strategies to complete the gaps in Ex 2.Remember,you may need more than one word in each gap.Listening 1.white2.just over a kilo3.20 4.100 billion cells5.

9、atoms in the universe6.different functions7.sight and hearing8.all the time9.fear10.foreignCheck your answers How can we keep our brains in perfect condition so were on top form for exams?How can we avoid pre-exam nerves and panic?Give your opinion Listen to a student phone-in programabout revising

10、for exams and match the callers with their opinions.caller opinionCharlieplan your revisionmotivate yourselfget some exerciseDan Mohammedplan your revisionmake a list relaxwork out a timetablegive yourself rewards take a walkget some fresh airshouldnt drink much coffeework out priorities give yourse

11、lf a break go for a jogget the mind off exams get someexerciseMotivate yourselfGiving and Asking for AdviceListen again and complete the Function File with these words must,mustnt,ought to,shouldshouldnt,advise,need to,if I were you,have got to,could,theres no point in,its important to,what tips,can

12、 be counter-productive,what Function File:1.What tips 2.its important to 3.should4.need to 5.What 6.If I were you 7.ought to 8.can be counter-productive9.shouldnt 10.Could 11.must 12.have got to 13.mustnt 14.Theres no point in 15.advise Check your answers Phrasal VerbsMatch the words and expressions

13、 below withthe verbs in the text.Last month,I had an important English exam.I decided not to(1)put off studying(as I normally do!)and got up early every morning to(2)get down to work straight away.postponestartVocabulary:I am a“morning person”and I got a lot outof my revision sessions.I always began

14、 by(3)going over a practice test I had done checking my answers and(4)finding out whatId got wrong.I also tried to(5)work out looking at in detaildiscoveringunderstandWhy Id made mistakes.If I didnt understandSomething,Id(6)write it down and then(7)bring it up in class with my teacher.She wasvery he

15、lpful and she(8)went through all of the things that would probably(9)come upmake a note ofmentionlooked at in detailappearin the exam.In the end,the exam wasnt sobad after all and I think I(11)got through it.Mind you,I still havent had my results yet!passedLook at the following words for about twomi

16、nutes and then write down as many as you can remember.Try to find out their relationship.(It helps you to remember better.)A Challenge chewdigestionnormalworldgumget throughcurepull throughfamoussugar-freeabnormal digestivecancerput offsevereflyingpostpone go throughmachinedigestchewdigestionnormalworldgumget throughcurepull throughfamoussugar-freeabnormal digestivecancerput offsevereflyingpostpone go throughmachinedigestHow can you manage to remembernew words?Tell your partner