八年级上Unit2SectionBppt课件.ppt

Unit 2How often do you exercise?New wordsmilkcoffeevegetablesfruitsleep chipshamburgerJunk foodThey are good for our health.Junk food is bad for our health.1b.Ask and answer questions.Use the words from 1a.A:How often do you drink milk,Liu Fang?B:I drink milk everyday.A:Do you like it?B:No.But my mother wants me to drink it.She says its good for my health.1.want sb.to do sth.想要某人做某事eg.我妈妈想要我每天锻炼。My mother wants me to exercise every day.2.She says its good for my health.她说它对我的健康有益。1)此句为宾语从句,says后面跟的从句 的时态必须和主句中谓语动词时态 保持一致,都用一般现在时。2)be good for 对有好处2）be good for.对.有好处 be bad for.对.有害Vegetables are good for our health.蔬菜对我们的健康有益。3）health(n.)健康 healthy(adj.)健康的 unhealth(n.)不健康-unhealthy(adj.)不健康的 eg.健康食品对健康有益。Healthy food is good for health.2b Read the articleWhat Do No.5 High School Students Do in Their Free TimeLast month we asked our students about their free time activities.Our questions were about exercise,use of the Internet and watching TV.Here are the results.We found that only fifteen percent of our students exercise every day.Forty-five percent exercise four to six times a week.Twenty percent exercise only one to three times a week.And twenty percent do not exercise at all!We all know that many students often go online,but we were surprised that ninety percent of them use the Internet every day.The other then percent use it at least three or four times a week.Most students use it for fun and not for homework.The answers to our questions about watching television were also interesting.Only two percent of the students watch TV one to three times a week.Thirteen percent watch TV four to six times a week.And eighty-five percent watch TV every day!Although many students like to watch sports,game shows are the most popular.It is good to relax by using the Internet or watching game shows,but we think the best way to relax is through exercise.It is healthy for the mind and the body.Exercise such as playing sports is fun,and you can spend time with your friends and family as you play together.And remember,“old habits die hard”.So start exercising before its too late!3.We found that only fifteen percent of our students exercise every day.我我们发现们发现只有只有15%的学生每天的学生每天锻炼锻炼。percent 名名词词，意，意为为“百分之百分之”e.g.Eighty percent of the students in our class exercise every day.我我们们班里班里80%的学生每天都的学生每天都锻锻 炼炼。【注意注意】percent做主做主语时语时，谓语动词谓语动词的数要根据其后的数要根据其后面的名面的名词词来确定。来确定。e.g.Fifty percent of the apples are bad.50%的苹果都坏了。的苹果都坏了。Twenty percent of the meat is in the fridge.20%的肉都在冰箱。的肉都在冰箱。4.four to six times a week 每每周周四四到六次到六次注意这种表达注意这种表达,“to”为介词。为介词。翻译：翻译：每月一到三次每月一到三次one to three times a monthonce or twice a month 每月一次到两次每月一次到两次two or three times a month.每月两次到三次每月两次到三次5.And twenty percent do not exercise at all!20%的学生的学生根本不根本不锻炼锻炼。not at all 意意为为“一点也不，根本不一点也不，根本不”，not位于句中，位于句中，at all 放在句尾。放在句尾。eg.她根本就没有帮忙做家她根本就没有帮忙做家务务。She doesnt help with housework at all.6.The answers to our questions about watching television were also interesting.对我们提出的有关看电视的问题的答案也挺对我们提出的有关看电视的问题的答案也挺 有意思。有意思。1）句子主）句子主语为语为 the answers，故，故谓语谓语用用 were。2）表示表示“的答案的答案”要用要用“answer to”如：如：Her answer to your question is a big“NO”!她她对对你所提的你所提的问题问题的答案是个的答案是个 大大的大大的“不不”字！字！3）表示）表示“有关有关的的问题问题”用用question about sth./doing sth.如：如：He asked us some questions about our English exercises.他他问问了一些有关我了一些有关我们们英英语练习语练习的的问题问题。7.Although many students like to watch sports,game shows are the most popular.虽然很多学生喜欢看体育节目，但游戏类节目虽然很多学生喜欢看体育节目，但游戏类节目是最受欢迎的。是最受欢迎的。although 为连词为连词，意，意为为：“虽虽然，尽管然，尽管”。注意：注意：1.不能和不能和but,and,so在同一个句子中使用。在同一个句子中使用。2.可与可与yet,still连连用用eg.Although the car is old,it still runs well.=The car is old,but it still runs well.这辆这辆小小车车旧了，但是依然跑得不旧了，但是依然跑得不错错。8.It is good to relax by using the.,.the best way to relax is through exercise.通过上网或看游戏节目是很好的放松方式，但我们认为最好的方式是通过锻炼。1）It is good to do sth.做某事是好的 It is+adj.+to do sth.做某事是怎样的，其 中It是形式主语，真正的主语是to do sth.eg.It is good to exercise in the morning.2)the best way to do sth.做某事最好的方法8.It is good to relax by using the.,.the best way to relax is through exercise.通过上网或看游戏节目是很好的放松方式，但我们认为最好的方式是通过锻炼。3）通过：by&through by+具体工具名词/doing through+手段或媒介的名词eg.He got the job _ his father.You passed the exam _ working hard.throughby1.across 表面穿过（马路，街道）eg.across the road/street2.through 内部穿过（门，窗户，森林）eg.through the door/window穿过：through&aross9.Exercise such as playing sports is fun such as 意为意为“像像这样，比如这样，比如.”，表示，表示列举列举。结结构常构常为为：名：名词词+such as +n./doing.e.g.She likes animas such as rabbits and birds.她喜她喜欢欢像兔子、小像兔子、小鸟这样鸟这样的小的小动动 物。物。10.spend(v.)花费（时间或金钱），过去式为spentsb.spends/spent+时间/金钱+on sth./(in)doing sth.某人花费时间/金钱在某事上/做某事It takes/took sb.+时间+to do sth.（It 是形式主语）某人花费时间做某事 11.So start exercising before its too late!its too late 为时为时太晚；来不及了太晚；来不及了与与before共同共同组组成从句，表示成从句，表示“不要等到来不不要等到来不及的及的时时候；趁着候；趁着还还来得及来得及”。e.g.You should work harder before its too late to catch up.你你应应当更加用功，当更加用功，别别等到等到为时过为时过晚而赶不上了。晚而赶不上了。（你（你现现在用功在用功还还赶得上。）赶得上。）3a Look at the information in the chart and complete the report.Activities Days a yearExercise 365Read books 365Watch TV for over 2 hours 320Drink juice 210Eat hamburgers 95help with housework 20Stay up late 15Go to the dentist 0Jane is a 16-year-old high school student in the United States.American Teenager magazine asked her about her habits.Jane has a lot of good habits.She alwaysalways exercises and she reads books _.Also,she _ drinks juice and she _ stays up late.However,she has some bad habits,too.She _ watches TV for more than two hours a day,and she _ eats hamburgers.Her parents are not very happy because she _ helps with housework and she _ goes to the dentist for teeth cleaning.She says she is afraid.everydayeverydayusuallyusuallyhardlyhardlyalwaysalwayssometimessometimeshardlyhardlynevernever3b Complete the chart with your own information.In the last column,use expressions like always,every day,twice a week and never.Activities How often?Good habitsBad habits3c Write a report about your good and bad habits based on the following information.Say how often you do things.Use the report in 3a as an example.Activities Days a yearExercise 60Read books 100Watch TV for over 2 hours 350Drink milk 0Eat junk food 300Play computer games 365Stay up late 15Is his lifestyle healthy?why?4.Take the health quiz.1.How often do you eat breakfast?a.Never b.A few minutes a week c.Almost every day.2.How often do you eat fast food?a.Never b.A few minutes a week c.Almost every day3.How often do you eat vegetables and fruit?a.Never b.A few minutes a week c.Almost every day4.How often do you exercise?a.A few minutes a year b.A few minutes a month c.A few minutes a week5.How many hours do you watch TV every week?a.None b.One to four c.Five or more6.How many hours do you usually sleep at night?a.Less than six.b.Six or seven c.Eight or more1.a=0,b=1,c=22.a=2,b=1,c=03.a=0,b=1,c=24.a=0,b=1,c=25.a=2,b=1,c=06.a=0,b=1,c=29-12points:Youre really healthy!Good for you-and your health!4-8points:Youre smart about health most of the time.0-3points:You have to learn more about healthy habits.Dont worry-you can do it!Are you healthy?1.The old man _(锻炼)every morning.2.I often _(购物)on weekends.3.We must _(保持)our classroom clean.4.There are some _(不同)between the two pictures.I.Fill in the blanks.exercisesshopkeepdifferencesExercises5.He _(几乎不)goes to a restaurant for dinner.6.Katrina doesnt often _(喝)coffee,she likes green tea.7.My eating _(习惯)are not very good.hardly everdrinkhabits.单项选择单项选择1.I like English very much,so I _ listen to the tape in the morning.A.usually B.hardly ever C.never2.Milk is good _ our _.A.to;healthy B.to;health C.for;healthy D.for;healthAD 3.What does your father do in the evening?He usually _.A.watch TV B.exercise C.reads books4._ students in your class are from Beijing?Only one.A.How often B.How many C.How much C B 5._ do you go skating?Every day.A.How often B.How many C.When6.Most students in my class _ exercise every day.A.does B.do C.is doing D.are doing7.What _ she _ on weekends?A.is,do B.does,does C.do,do D.does,do A B D 8._do your grandparents come to see you?Twice a week.A.How often B.How many C.When 9.Hes a very lazy student,as a result,he always gets _ grades.A.a good B.high C.terrible D.an awfulA C 1.I sleep 8 hours every night.(画线提问画线提问)_ _ _ do you sleep every night?2.He watches TV twice a week.(画线提问画线提问)_ _ _ he watch TV?3.Jack does his homework every day.(改为否定句改为否定句)Jack _ _ his homework every day.How many hoursHow often doesdoesnt do.句型转换句型转换4.He is talking to his father.(用用usually改写句子改写句子)He _ _ to his father.5.My father often reads newspaper after supper.(画线提问画线提问)_ _ _ father often _ after supper?What does yourdousually talksHealthy/unhealthy lifestyle?Lisa sleeps eight hours every night.She eats a good breakfast and sheexercises every day.She never eats junk food.读一读读一读,判断谁的生活判断谁的生活健康？健康？Healthy/unhealthy lifestyle?Pam likes to watch TV.On weekends,she never exercises and she doesnt like fruits or vegetables.She eats junk food.And Pam never goes to the doctor.Healthy/unhealthy lifestyle?Pico is tall and thin.He plays tennis three times a week and he runs every Saturday.He never watches TV.He eats fruits and vegetables every day and sleeps nine hours every night.Early to bed,early to rise,makes a man healthy,wealthy and wise.Homework 以My habits(good habits and bad habits)为题目写一篇短文。（字数不少于50字）