高一英语Unit13 Healthy Eating 课件.ppt

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,Healthy Eating,Unit13,Look at P.1.What is junk food/healthy food?,Junk!,Junk!,The Food Pyramid,starch,vitamins,minerals,fiber,protein,calcium,fat and sugar,PRE-READING,1.,How many meals do you have for every day?Which meal do you think is the most important?Why?,2.Why do people go to fast food restaurants?Is it good for peoples health?,Word study,1.,Found in food and necessary for good health._,2.The kind of food that is usually taken by a person._,3.Parts of plants that you eat but cannot,digest,which help food to move quickly through your body._,4 Found in food and are important for good health.They help to,build our bones,teeth and blood._,From the reading passage,find the words that fit the following descriptions.,1,nutrients,diet,fiber,minerals,5.Found under the skin.Our body,needs it for energy,.It can,keep us from feeling cold,._,6.Bad for your teeth and can,make you gain weight,._,7.Found in eggs,milk and meat.Our body needs it to grow and keep healthy._,8.,Unit,for measuring,how much energy the food can give us.,_,fat,sugar,protein,calories,We Are What We Eat,Eating habits,The way of life,How to lose weight,How to cook,Healthy food and junk food,f.How to fight diseases,g.The importance of the food nutrients to people,h.Kinds of nutrients in the food we eat,Food and medicine that help build bodies,j.Advice on keeping a balanced diet,Tick the letters of the items below that is mentioned in the text.,It becomes not very difficult to choose what to eat because there are kinds of food.,Fibre,cannot be eaten,so its no use for our bodies.,“Green”in Para.3 means foods that are grown and produced naturally,but not always green.,The more nutrients we eat,the healthier we will be.,Its better to eat less fat and sugar and take more exercise to lose weight than eat crash food.,Developing our diet is good for us to face the chances and challenges in our life.,(,F),(,F),(,T),(,F),(,T),(,T),true or false?,We are what we eat?,Meaning:,A.We will become what we eat.,B.Our health is decided by what we eat.,C.We should buy and eat nutritious food.,D.What we eat can make us healthy.,topic sentences?,Para1:,Choosing what to eat is no longer as easy as it once was.,Para2:,When we choose what to buy and eat,we had better think if the food will give us the nutrients we need.,Para3:,Many people today make choices about their eating habits based on what they believe.,Para4:,It is probably better if we spend our time and money on buying good food and keeping a balanced diet.,Para5:,The best way to make sure that we will feel and look fine is to develop healthy eating habits.,Choose the best answers,(),1.,What do traditional diets,often have?,A.too much water.,B.too much protein,C.too much fat and too many,calories,D.nutrients we need,C,()2.,What can help our body,fight disease and give us,energy?,A.Vitamins,fiber and,minerals.,B.Pork and fish.,C.Water.,D.Calcium.,A,()3.,Which can be the proper meaning,of the title“We are what we eat”?,A.Your values and views are decided by,what food you eat.,B.You should keep a balanced diet or,your health will suffer.,C.Your health,looks,and happiness,have much to do with the kinds of,food you eat.,D.There are many kinds of food and,snacks to choose from and we should,be careful about our choice.,C,()4.,According to the passage,the,21st century person should _.,A.not be too careful with his food,B.have a healthy and balanced diet,C.be changing his eating habits all,the time,D.keep his traditional diets and,eating habits,B,()5.,In the text,vegans are,people who _.,A.refer traditional diets,B.have good eating habits,C.prefer organic vegetables,D.eat no animal products,D,()6.,Why do some people become,vegetarians?,A.Because they believe it is healthier,not to eat meat or they think we,should not kill animals for food.,B.Because they think meat is not,“eco-foods”.,C.Because they think meat will make,them fat.,D.Because they think meat will make,them thin.,A,()7.,Which of the following best,expresses the main idea of the,passage?,A.Choosing what we eat is more,difficult now.,B.We need to make the right choice,about what and how we eat.,C.We are offered many choices.,D.Our choices are not just about,nutrition.,B,()8.,From the passage we can infer,that _.,A.traditional diets have too much fat,and sugar,B.companies and stores offer all kinds,of supplements,C.healthy foods are those with less,fat and sugar,D.the author of the passage is,against supplements,C,What does the word,”fuel”,mean in the text?What about the word,“green”,?,“fuel”means“all the things we eat for our bodies”,“green”means,“unpolluted,harmless and good for peoples health”.,2.,Whats the difference between vegetarians and,vegans?(Para,3),Vegetarians dont eat meat but,vegans will not eat any animal products at all.,Advice on healthy diet,1.,Dont eat meat more than once a day.,2.,Cut down on salt intake.,3.,Including adequate fiber is important.,4.,Choose fresh fruit for desserts.,5.,Dont eat more than 4 eggs per week.,6.,Avoid fried&fast food.,7.,Too much of anything has its,drawbacks.,Language,1.Choosing what to eat is no longer as easy as it once was.,Choosing what to eat,是动名词做主语,Nodding the head means agreement.,Watching TV is a popular pastime.,Its a waste of time arguing with him.,no longer=not any longer,她已经不住这儿了。,She no longer lives here.=She doesnt live here,any loner.,once,1)I have been there once.,(adv.,一次),2),He once lived in Shanghai.,(adv.,曾经;一度),3),(,conj.,一旦),Once you begin,you must continue.,Once youve read the book,youll understand why I like it so much.,Once(it is)opened,the food must be eaten up within three days.,2.Our eating habits have changed,as has our way of life.,as has our way of life.,：as,引起方式状语从句,用了省略和倒装结构,用正常语序为:,as our way of life has changed,1),他和他全家人一样,都认为这个故事是真实的。,He believed,as did his family,that the story was true.,2),他们都完成了工作，他也一样。,They have all finished their work,as has he.,3.Traditional diets often have too much fat and too many calories for the 21,st,century person.,too much+,不可数,n.too many+,可数,n.,much too+adj.,1)There are _people in that street.,2)_snow can cause trouble.,3)He was often ill because he ate and,drank_.,4)Shes afraid the trip will be _for me.,5)Dont think_.,6)This book is _difficult to understand.,7)The old man walks _slowly.,too many,Too much,too much,too much,too much,much too,much too,4.If we want to keep up with the high pace,of modern life,we had better,keep up with:,保持一致，不落在 后面,为了不落在同学们后面，他必须努力学习。,He has to work hard to keep up with his,classmates.,那个女孩试图跟上时尚的变化。,The girl tries to keep up with the changes,of fashion.,5.Stores offer all kinds of food and snacks and we have to make choices.,Offer v.,提供,sth,to,sb,./,sb,sth,n.,供给物,v.,He offered a cup of tea to me.,He offered the old woman his own seat,on the bus.,He offered to drive us to the station,but we preferred to go there on foot.,I have been offered a job in the library.,n.,I have got an offer from the library.,6.Many people today make choices about their eating habits based on what they believe.,base A on/upon B,be based on/upon,sth,.,以为基础,他总是根据事实作决定。,He always bases his decisions on facts.,His decisions are always based on facts.,她的理论建立在仔细研究的基础上。,Her theory is based on careful research.,n.,基础；根据地,the base of the building,She used her family history as the base for her novel.,7.Because we have so much to choose from,many companies and stores offer advice about what we should eat.,choose(chose-chosen),选中；选出;挑选,1),Have you chosen a hat yet?,2)I chose a hat for myself.,I chose myself a hat.(,双宾语),choose from,意为“从中挑选”,from,后接选择的范围。,3)These samples(,样品),are for you to choose from.,有各种各样的手机供人们选择。,4),Therere lots of types of,cellphones,to,choose from.,make a choice,There are so many beautiful gifts in store that it is difficult for him to make a choice.,我们应该学会做出正确的选择。,We should learn to make,the,right choices.,我们一生中要作出很多的选择。,We have to make many choices in our life.,有五双鞋供我选择，但是我不知道要选哪一双,There are five pairs of shoes for me _,but I dont know _.,(1999,上海高考),There are five pairs_,but Im at a loss which to buy.,A.to be chosen,B.to choose from,C.to choose,D.for choosing,B,to choose,from,which to choose,It is probably better,however,if we spend our time and money in buying good food and keeping a balanced diet.,possibly?,8.,1),balanced adj.,平衡的,keep,a,balanced diet,保持平衡的饮食,2),balance v.,权衡；使平衡,She cant ride a bike because she doesnt know how to balance herself on a bicycle.,We should eat a variety of food to balance our nutrition.,3),balance n.,天平；秤；平衡；,keep ones balance,保持平衡,lose ones balance,失去平衡,keep the balance of nature,保持生态平衡,9.The same goes for“crash diets”that some companies say will make us lose weight fast.,go for“,适用于；应用于”,Your brother is very smart.And the same goes for you.,你兄弟很聪明，你也是。,他关于你的一席话对我也适用。,What he said about you goes for me too.,在工作中我们要尽一切的努力，而且从不放弃。生活中也应如此。,We should try our best and never give up in work.The same goes for our life.,some companies say,是定语从句中的,插入语，应位于引导词之后.,Choose the answer that you think,is correct.,They hoped to find a continent which they thought existed in the Pacific Ocean.,This is the fact which we find is different from what you said.,He is the person who I believe is suitable for the job.,(1998 上海高考),He made another wonderful discovery,_ of great importance to science.,A.which I think is,B.which I think it is,C.which I think it,D.I think which is,A,10.,The best way to make sure that we will feel and look fine is to develop healthy eating habits.,make sure+of/that,从句（确保）,请确保离开教室前关灯。,Please make sure of turning off the lights before you leave the classroom.,Please make sure that you turn off the lights before leaving the classroom.,be sure of/about/that,从句 确信，有把握,about,短语多用于疑问和否定句,我确信这就是正确答案。,I am sure that this is the right answer.,I am sure of this answer.,I am not very sure about the answer to this question.,你对自己在会上说的话有把握吗？,Are you sure about what you said in the meeting?,11.Even if we choose nutritious food for our main meals,we probably still need to refuel,now and then.,=,from time to time,我们应该时常停下来想一想我们在做什么。,We should stop to think about what we are doing now and then.,我时常想起那个可怕的梦。,That terrible dream keeps coming to my mind from time to time.,11.Drink plenty of water and get some rest.,plenty of:,充足的，大量的（用于肯定句，否定句多用,enough.）,There are plenty of useful books for you to read.,We dont have enough books for everyone.,Grammar,Modal Verbs,情态动词-,had better,should,ought to,should/ought to,用法小结,应该，应当,我放进新的电池了，收音机应该能用了。,I have put in new batteries,so the radio ought to work now.(,按道理),你不应该这样做。（我认为）,You should not do so.,2.应当，应该（表示劝告和建议）,你应该多运动，对你身体好。,You should/ought to do more exercises.It will do you good.,你发烧了，应该去看医生。,You have a fever.You should/ought to go to see the doctor.,3.,想必一定，照理应该,这个时候他该起床了。,He should/ought to be up now.,五十块钱应该购买这本书了。,Fifty dollars should/ought to be enough to buy this book.,Ought to/should,在,多数情况下可以互换。但:,ought to,语气重，含有“按道理应该”之意；,should,表示自己的主管看法。,如果反映客观情况或涉及法律，义务和规定时一般用,ought to.,疑问句中通常用,should.,should,的其他用法,Why(how)+should,结构表示说话人对某事不能理解，感到意外，惊异等意思，意为“竟会”。,你今天怎么会来得这么晚？,Why should you be so late today?,-Where is Betty living?,-How should I know?,我怎么会知道？,我真不明白你怎么会认为是我做的呢。,I dont know why you should think I did it.,2.,should have done=ought to have done,本应该做而没有作,You should have come to the meeting earlier.(You came late.),He ought to have been more careful.(He wasnt careful enough.),You,should not have,told him the truth.,should not have done,不该做而却作了,（,ought not to have done,很少用）,should,的其他用法,3.,Should be doing,表示现在应该正在做而没有作,They should be reviewing their lessons now.,这个时间你应该在做作业啊！,What are you doing?You should be doing your homework at this time.,should,的其他用法,had better do,最好做,