高中英语Unit21用Warmup课件北师大版选修7.ppt

In this unit you will …1.Read newspaper and magazine articles 2. and use reading strategies to complete 3. texts with paragraph gaps .4. 2. Talk about issues related 5. to health and medical 6. advances .Key WordsLook 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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 .brainstomachThis organ beats 100,000 times a day . With each beat it moves 80 milliliters of blood – that’s 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 is very delicate organ . It’s moved by 6 muscles and consists of various different layers . Light enters and reaches special light sensitivecells .This works like a camera and finally sends signals to the brain .eye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 .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kneemusclespineribKey WordsLook at the pictures and tell which parts of the body they are .boneanklewristfingerskidney eyeheartliverlungsstomachbrainKey WordsFind six key words to label the parts of the body in the diagram .liverbrainlungsstomachheartkidney Test Your Body Machine Memory . Write down 5 telephone numbersand give them to your partner to look at for30 seconds . How many can she \ he remember ?Heart . Find the pulse on your partner’s Wrist . How many times dose his \ her Heart beat in 1 minute ? (The slower his\ her pulse is , the more relaxed he \ she is .)  Do You Look After Yourself ? 1.How many hours do you sleep per night ?a)under 6 hours b) about 7 or 8 hours b)c) more than 9 hours c)2.How often do you clean your teeth ?d)once a day b) twice a day e)c) after every meal 3.How often do you do physical exercise, enough to make you out of breath ?a) never b) once a week b)c) two or three times a week c)4.How often do you eat sweets or chocolate? d) never b) sometimes c) every day e)5. How many pieces of fresh fruits do you f) eat per day ?g)a) One or two b) more than two c) noneCheck your answers to the questionnaire .1.aYou probably aren’t getting enough sleep . b) 7 or 8 hours per night is sufficient for most people . c) you are a sleepy head , aren’t 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 .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 .Pre-read :Super AthletesAssignmentThank you!。