高中英语Unit-21-Human-Biology-Warm-upppt课件北师大版选修7

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,高中英语Unit-21-Human-Biology-Warm-upppt课件北师大版选修7,In this unit you will,Read newspaper and magazine articles,and use reading strategies to complete,texts with paragraph gaps.,2.Talk about issues related,to health and medical,advances.,In this unit you will,3.Listen to monologues,dialogues,a,lesson,a radio phone-in,a TV program,and use listening strategies for,completing gaps in texts.,4.Write a discursive essay.,5.Revise and learn more,about conditional,sentences.,3.Listen to monologues,dial,Key Words,Look at the following statements,and decide which part of the,body is described.,ankle,brain,eye,heart,kidney,bone,knee,liver,lungs,muscle,ribs,spine,stomach,wrist,fingers,Key Words:The Body,Key WordsLook at the following,This organ weighs about a kilo and is made,up of two sides.It is like a super computer that,processes information.,This is about the size of a closed,hands.Its job is to break down,the food we eat so that we have,energy and can be healthy and,strong.,brain,stomach,This organ weighs about a kilo,This organ beats 100,000 times,a day.With each beat it moves 80,milliliters of blood thats 8,000,liters of blood per day!It pumps,blood into the lungs,where it,receives oxygen,before being,pumped around the rest of the,body.,heart,This organ beats 100,000 times,This is very delicate organ.Its,moved by 6 muscles and consists of,various different layers.Light enters,and reaches special light sensitive,cells.This works like a camera and,finally sends signals to the,brain.,eye,This is very delicate organ.,These organs absorbs oxygen and get rid of,carbon dioxide.They are situated,on either side of the heart.They,receives air as a result of breathing,and when blood passes through,They give it oxygen.,lungs,These organs absorbs oxygen an,knee,muscle,spine,rib,Key Words,Look at the pictures and tell,which parts of the body they are.,kneemusclespineribKey WordsLoo,bone,ankle,wrist,fingers,kidney,eye,boneanklewristfingerskidney,heart,liver,lungs,stomach,brain,heartliverlungsstomachbrain,Key Words,Find six key words to label the,parts of the body in the diagram.,Key WordsFind six key words to,liver,brain,lungs,stomach,heart,kidney,liverbrainlungsstomachheartkid,Test Your Body Machine,Memory.,Write down 5 telephone numbers,and give them to your partner to look at for,30 seconds.How many can she he,remember?,Heart.,Find the pulse on your partners,Wrist.How many times dose his her,Heart beat in 1 minute?,(The slower his her pulse is,the more,relaxed he her is.),Test Your Body Machine,Do You Look After Yourself?,1.How many hours do you sleep per night?,under 6 hours b)about 7 or 8 hours,c)more than 9 hours,2.How often do you clean your teeth?,once a day b)twice a day,c)after every meal,Do You Look After Yourself,3.How often do you do physical exercise,enough to make you out of breath?,never b)once a week,c)two or three times a week,4.How often do you eat sweets or chocolate,never b)sometimes c)every day,5.How many pieces of fresh fruits do you,eat per day?,a)One or two b)more than two c)none,3.How often do you do physical,Check your answers to the,questionnaire.,1.a)You probably arent getting enough sleep.,b)7 or 8 hours per night is sufficient for most,people.,c)you are a sleepy head,arent you?,2.a)Once a day is not enough!,b)Once in the morning and once at night is,probably OK.,c)Very good.Dentists recommend cleaning,teeth after every meal.,Check your answers to the,3.a)You should take up some kind of sport!,b)Good-once a week is better than never.,c)Excellent!You must be very fit.,4.a)Well done.You probably save lots of,money on dentist bills.,b)Well,every now and then is OK.,c)You should cut down.,5.a)Good.As they say an apple a day keeps,the doctor away.,b)Very good.Doctor recommend several,pieces of fruit per day.,c)You really should try to eat more fresh fruit.,3.a)You should take up some,