人教版八年级上册Unit2sectionB.ppt课件

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1、人教版八年级上册Unit2 sectionB.pptmilkmilkcoffeecoffeevegetablesvegetablesfruitfruitHealthy chipschipshamburgerhamburgerjunk food/unhealthyjunk food/unhealthycolacolachocolatechocolateis good is good for our for our health.health.Junk food is bad for Junk food is bad for our health.our health.be good/bad fo

2、r healthbe good/bad for healthCoffeeCoffee is bad foris bad for our health.our health.be good/bad for healthbe good/bad for healthPotato chipsPotato chips areare bad for bad for health.health.potato chips=French friescolacolabe good/bad forbe good/bad for health healthbe be good/bad forgood/bad for

3、health healthbebe good/bad for good/bad for health healthbe be good/bad forgood/bad for health healthhot doghot dogMatch the words with the pictures.Match the words with the pictures.abcef1a1ad1.1._ junk food 4._vegetables _ junk food 4._vegetables 2._ milk 5._ sleep2._ milk 5._ sleep3._ fruit 6._ c

4、offee3._ fruit 6._ coffeeb ba ae ec cf fd dDoctorsDoctors wantwant usus to to eat eat every day.every day.DoctorsDoctors wantwant usus toto drink drink every day.every day.want to do sth.想要做某事想要做某事want sb.to do sth.想要某人做某事想要某人做某事DoctorsDoctors want want us us toto every dayevery day.Because Because

5、is good for our healthis good for our health.Doctors Doctors want us to want us to every day.every day.Because Because is good foris good for ourour healthhealth.Doctors Doctors dontdont want us to want us to every day.every day.Because Because areare_ _ _._ _ _.bad for healthbad for healthHow often

6、 do you How often do you drink milk,Liu Fang?drink milk,Liu Fang?I drink milk every day.I drink milk every day.Do you like it?Do you like it?No.But my mother No.But my mother wantswants me to drink it.She me to drink it.She sayssays itits good fors good for my health.my health.1b1bHow often do you H

7、ow often do you _ _?_ _?I _ _ _.I _ _ _.Do you like it?Do you like it?No,But my mother No,But my mother wantswants me me to _ _.She to _ _.She sayssays it it_ _ _ my _.my _.1b1b Listen to an interview about eating Listen to an interview about eating habits.Circle your answer to each habits.Circle yo

8、ur answer to each question.question.Does Tina have good habits?Yes.No.I donDoes Tina have good habits?Yes.No.I dont know.t know.Does Bill have good habits?Yes.No.I donDoes Bill have good habits?Yes.No.I dont know.t know.1c1cActivitiesActivitiesHow oftenHow oftenKatrinaKatrina Bill Billexerciseexerci

9、seeat eat vegetablesvegetableseat fruiteat fruitsleepsleepdrink milkdrink milkeatjunk foodeatjunk foodDrink coffeeDrink coffeeevery dayevery dayhardly everhardly eversometimessometimesevery dayevery dayneverneverninenineninenineevery dayevery daynevernevertwo or three two or three times a weektimes

10、a weekthree or four three or four times a weektimes a weekevery dayevery dayneverneverfour times a dayfour times a dayListen again and fill in the blanks.Listen again and fill in the blanks.1 1b b Student A is the reporter.Student A is the reporter.Student B is Tina or Bill.Student B is Tina or Bill

11、.Ask and answer questions.Ask and answer questions.Then change roles.Then change roles.A:How often do you exercise?A:How often do you exercise?B:I exercise every day.B:I exercise every day.A:And how often do you A:And how often do you?1e1eRank these activities according to how Rank these activities

12、according to how often you think your classmates do them often you think your classmates do them(1=(1=most oftenmost often,6=,6=least oftenleast often).).watch TV watch TV go to the movies go to the movies play computer gamesplay computer gamesexercise or play sportsexercise or play sportsuse the In

13、ternetuse the Internetgo camping in the countrygo camping in the country2a2aRead the articles fast and find the general Read the articles fast and find the general idea of 2b.idea of 2b.The general idea of the articles is aboutThe general idea of the articles is about.A.how to use the InternetA.how

14、to use the InternetB.free time activities in No.5 High SchoolB.free time activities in No.5 High SchoolC.how to make friendsC.how to make friendsB2a2aWhat Do No.5 High School Students Do in Their What Do No.5 High School Students Do in Their Free Time?Free Time?Last month we Last month we askedasked

15、 our students our students aboutabout their their free time activities.Our question were about free time activities.Our question were about exercise,exercise,use of the Internetuse of the Internet and watching and watching TV.TV.Here areHere are(倒装句）倒装句）the results.the results.WeWe found that found

16、that(宾语从句）宾语从句）only only fifteen percent offifteen percent of(数字数字+percent+of+percent+of 百分之百分之.).)our students exercise every day.our students exercise every day.Forty-five percent exercise four Forty-five percent exercise four toto（至）（至）six six timestimes（次数）（次数）a week.Twenty percent exercise a we

17、ek.Twenty percent exercise only one only one toto three three timestimes a week.a week.And twenty percent And twenty percent do notdo not execise execise at allat all!教材解读教材解读1.percent 1.percent n.n.百分之百分之。常用于常用于“数词数词+percent+of+sth+percent+of+sth.”结构结构,这时后面谓语的单这时后面谓语的单复数由复数由percentpercent后面跟的名词决定。后

18、面跟的名词决定。EG:1.Twenty percent of the students _(be)here.EG:1.Twenty percent of the students _(be)here.2.Thirty percent of time _(pass).2.Thirty percent of time _(pass).arearepassespassesWe all know thatWe all know that many students often many students often go online go online,(上网）上网）but we but we we

19、re surprised thatwere surprised that(令我们吃惊的是）令我们吃惊的是）ninety ninety percent of them use the Internet every day.percent of them use the Internet every day.The otherThe other（其他的）（其他的）ten percent use it at least three ten percent use it at least three oror four times a week.Most students four times a w

20、eek.Most students use it for funuse it for fun and and not fornot for homework.homework.“be surprised+thatbe surprised+that从句从句”意为意为“很惊讶很惊讶/吃惊吃惊”be surprised at sth.be surprised at sth.意为意为“对某事感到惊讶对某事感到惊讶”;to oneto ones surprises surprise意为意为“令人惊奇的是令人惊奇的是”。EG:1.EG:1.我奇怪我奇怪,你是唯一一个来的人。你是唯一一个来的人。I_ _ _

21、 you are the only one here.I_ _ _ you are the only one here.2.2.我对他的回答感到吃惊。我对他的回答感到吃惊。I _ _ _ at his answer.I _ _ _ at his answer.3.3.令他惊讶的是，这个女孩是盲人。令他惊讶的是，这个女孩是盲人。_ _ _,the girl was blind._ _ _,the girl was blind.amamsurprisedsurprised thatthatwaswas surprisedsurprised atatToTosurprisesurprisehishi

22、sThe The answers toanswers to our questions about our questions about(+doing)(+doing)watchingwatchingtelevision were also interesting.Only two percenttelevision were also interesting.Only two percentof the students watch TV one to of the students watch TV one to three times a three times a week.week

23、.Thirteen percent watch TV four to six timesThirteen percent watch TV four to six timesa week.And eighty-five percent watch TV every day!a week.And eighty-five percent watch TV every day!AlthoughAlthough many students many students like to like to watch sports,gamewatch sports,gameshows are shows ar

24、e the mostthe most（最）（最）poplar.poplar.2.although=though 2.although=though 虽虽然然;尽管尽管;即使。引即使。引导让导让步状步状语语从句。从句。although=though although=though作作连词连词,意意为为“虽虽然然,尽管尽管”不能与不能与butbut连连用用,即用了即用了although/thoughalthough/though就就不能再用不能再用but.but.用了用了but,but,就不能用就不能用although/though.although/though.EG:EG:尽管他身体很差，但是

25、他尽管他身体很差，但是他还还是努力工作。是努力工作。1._ he is in poor health,he works hard.1._ he is in poor health,he works hard.2.He is in poor health,_ he works hard.2.He is in poor health,_ he works hard.3.the most+3.the most+多音多音节节，表最高，表最高级级 EGEG：1.1.最漂亮的女生最漂亮的女生_ _ _girl._ _ _girl.2.2.最有趣的最有趣的书书_ _ _book._ _ _book.Alth

26、ough/thoughAlthough/thoughbutbutthethemostmostbeautifulbeautifulthethemostmostinterestinginterestingIt is good toIt is good to relax relax byby(+doing)(+doing)using using the Internet or the Internet or watchingwatching game shows,but we think game shows,but we think the bestthe best way to relax is

27、 way to relax is through exercise.through exercise.It is healthy forIt is healthy for the the mindmind and the and the body.Exercise body.Exercise such assuch as(例如）例如）playing sports is fun,and you playing sports is fun,and you can can spend timespend time with your friends and family with your frie

28、nds and family asas（当）（当）you you play together.And remember,play together.And remember,“So start exercise before its So start exercise before its too late!too late!”4.mind 4.mind 头脑头脑,心智心智EG:He has a very sharp EG:He has a very sharp mind.mind.他的头脑很敏锐。他的头脑很敏锐。EG:EG:mind mind v.v.介意介意,当心当心,关心。关心。+doi

29、ng+doing 用来客气地提出请求用来客气地提出请求,或者用来提出询问、征求对方意见。或者用来提出询问、征求对方意见。Do/Would you mind(one Do/Would you mind(ones)doings)doing?EG:Do you mind _(close)this window?EG:Do you mind _(close)this window?【固定搭配】【固定搭配】1.1.下决心下决心:2.2.改变主意改变主意:3.3.不必担心不必担心/没关系没关系:5.5.by+by+v.v.-ing-ing构成方式状语构成方式状语,表示表示“通过某种方式、手段做某事通过某种

30、方式、手段做某事”。EG:He succeeded by _(work)hard.EG:He succeeded by _(work)hard.closingclosingmake up onemake up ones minds mindchange onechange ones minds mindnever mindnever mindworkingworking根据汉语意思完成句子根据汉语意思完成句子 1.1.关于我们问的看电视的问题的回答是很有趣的。关于我们问的看电视的问题的回答是很有趣的。TheThe our questions about watching television

31、our questions about watching television were interesting.were interesting.2.2.调查显示调查显示,许多孩子上网仅仅是为了娱乐。许多孩子上网仅仅是为了娱乐。According to the survey,lots of According to the survey,lots of childrenchildren justjust .3.3.我喜欢运动我喜欢运动,例如跑步和打网球。例如跑步和打网球。I like sports,I like sports,and playing and playing tennis.te

32、nnis.4.4.我们学校多数学生每周锻炼三到五次。我们学校多数学生每周锻炼三到五次。Most students in our school Most students in our school at least at least _a week.a week.5.5.这对我的眼睛有好处。这对我的眼睛有好处。ItIt my eyes.my eyes.is good foris good foranswersanswers totogo onlinego onlinefor funfor funsuch as runningsuch as runningexerciseexercisethre

33、e to five timesthree to five timesComplete the pie charts.Complete the pie charts.158590202021310452b2b1.How many students do not exercise at all?1.How many students do not exercise at all?2.How many students use the Internet every day?2.How many students use the Internet every day?3.How often do mo

34、st students watch TV?What do 3.How often do most students watch TV?What do they usually watch?they usually watch?20%of the 20%of the students do not exercise at all.students do not exercise at all.90%of the students use the Internet every 90%of the students use the Internet every day.day.Most studen

35、ts watch TV every day.They usuallyMost students watch TV every day.They usuallywatch sports,game shows.watch sports,game shows.2c2c4.What does the writer think is the best way 4.What does the writer think is the best way to relax?Why?to relax?Why?5.Do you think the students at No.5 are 5.Do you thin

36、k the students at No.5 are healthy?Why or why not?healthy?Why or why not?Exercise.Because it is healthy for the mind and Exercise.Because it is healthy for the mind and the body.the body.No,I donNo,I dont think so.Because they watch TV moret think so.Because they watch TV more and exercise less.and

37、exercise less.Write sentences with the percentages using Write sentences with the percentages using always,usually or sometimes.always,usually or sometimes.1.90%:_ 1.90%:_ 2.85%:_ 2.85%:_ 3.45%:_3.45%:_ 4.10%:_4.10%:_ 5.13%:_5.13%:_ 6.2%:_6.2%:_ 2d2dNinety percent of the Ninety percent of the studen

38、ts students alwaysalways use the Internet.use the Internet.play computer gamesplay computer gamesread books read books go shoppinggo shoppingdraw picturedraw pictureplay sportsplay sports2e2eHow often do you.?How often do you.?1-3 times a week1-3 times a week4-6 times a week4-6 times a weekevery day

39、every dayNames of classmatesNames of classmates Look at the information in the chart Look at the information in the chart and complete the report.and complete the report.Activities Days a yearActivities Days a yearExercise 365Exercise 365Read books 365Read books 365Watch TV Watch TV forfor over 2 ho

40、urs 320 over 2 hours 320Drink juice 210Drink juice 210Eat hamburgers 95Eat hamburgers 95Help with housework 20Help with housework 20Stay up late 15Stay up late 15Go to the dentist Go to the dentist 0 03a3a3a3aJane is a Jane is a 16-year-old16-year-old high school student in the United high school st

41、udent in the United States.States.American TeenagerAmerican Teenager magazine asked her about her magazine asked her about her habits.Jane has a lot of good habits.habits.Jane has a lot of good habits.She She alwaysalways exercises and she reads books _ .exercises and she reads books _ .Also,she _ d

42、rinks juice and she _ stays up Also,she _ drinks juice and she _ stays up late.late.However,However,she has some bad habits,too.she has some bad habits,too.She _ watches TV for She _ watches TV for more than(more than(超过）超过）two hours a two hours a day,and she _ eats hamburgers.day,and she _ eats ham

43、burgers.Her parents are not very happy because she _ Her parents are not very happy because she _ helps with housework and she _ goes to the helps with housework and she _ goes to the dentist for teeth cleaning.She says she is afraid!dentist for teeth cleaning.She says she is afraid!every dayevery d

44、ayoftenoftenhardlyhardlyusuallyusuallysometimessometimeshardlyhardlynevernever Complete the chart with your own Complete the chart with your own information.In the last column,use information.In the last column,use expressions likeexpressions like always,every day,always,every day,twice a week twice

45、 a week andand never.never.Activities Activities How often?How often?Good habitsGood habitsBad habitsBad habits3b3bWrite a report about your good and bad Write a report about your good and bad habits.Say how often you do things.habits.Say how often you do things.Use the report in 3a as an example.Us

46、e the report in 3a as an example.3c3cDo you have any good habits or bad habits?Do you have any good habits or bad habits?For me,I have some good habits.I always get up For me,I have some good habits.I always get up early in the morning.I exercise four to six times a early in the morning.I exercise f

47、our to six times a week.And I do homework every day.I only watch TV week.And I do homework every day.I only watch TV once a week.However,I have some bad habits,too.I once a week.However,I have some bad habits,too.I often eat junk food and I hardly ever eat often eat junk food and I hardly ever eat v

48、egetables.Sometimes I stay up late.vegetables.Sometimes I stay up late.As students,we should have some good habits.As students,we should have some good habits.They are good for our health.They are good for our health.Take the health quiz.Take the health quiz.1.How often do you eat breakfast?1.How of

49、ten do you eat breakfast?a.Never.b.A few times a week.c.Almost every day.a.Never.b.A few times a week.c.Almost every day.2.How often do you eat fast food?2.How often do you eat fast food?a.Never.b.A few times a week.c.Almost every day.a.Never.b.A few times a week.c.Almost every day.3.How often do yo

50、u eat vegetables and fruit?3.How often do you eat vegetables and fruit?a.Never.b.A few times a week.c.Almost every day.a.Never.b.A few times a week.c.Almost every day.4.How often do you exercise?4.How often do you exercise?a.A few times a year.b.A few timess a month.a.A few times a year.b.A few time

51、ss a month.c.A few times a week.c.A few times a week.5.How many hours do you watch TV every week?5.How many hours do you watch TV every week?a.None.b.One to four.c.Five or more.a.None.b.One to four.c.Five or more.6.How many hours do you usually sleep at night?6.How many hours do you usually sleep at

52、 night?a.Less than six.b.Six or seven c.Eight or more.a.Less than six.b.Six or seven c.Eight or more.4 4I IMy mother/fatherMy mother/fatheralwaysalwaysusuallyusuallyoftenoftensometimessometimeshardly everhardly evernevernever Complete the chart with activities you do Complete the chart with activiti

53、es you do and donand dont do.What about your mother/father?t do.What about your mother/father?play basketballplay basketballplay chessplay chessread booksread booksread newspapersread newspaperseat hamburgerseat hamburgerseat chickeneat chickendrink juicedrink juicedrink teadrink teawatch TVwatch TV

54、use the Internetuse the Internetstay up latestay up lateget up earlyget up earlyWrite five sentences using the Write five sentences using the information above.information above.5.I hardly ever watch TV.5.I hardly ever watch TV.1.I always play basketball after school.1.I always play basketball after

55、 school.2.My father always plays chess on 2.My father always plays chess on weekends.weekends.3.I usually read books on weekends.3.I usually read books on weekends.4.My father sometimes drinks tea.4.My father sometimes drinks tea.6.My father never gets up early.6.My father never gets up early.A:What

56、 do Tom and Mike _ do on A:What do Tom and Mike _ do on weekends?weekends?B:They sometimes go to the museum.B:They sometimes go to the museum.A:_ do they go to the shopping A:_ do they go to the shopping center?center?B:_ ever.Maybe about twice a month.B:_ ever.Maybe about twice a month.A:_ do they

57、watch TV?A:_ do they watch TV?B:Mike never watches TV,but Tom watches TV B:Mike never watches TV,but Tom watches TV _ day._ day.A:Oh,IA:Oh,Im just like Tom.I _ watch TV,m just like Tom.I _ watch TV,too.too.usuallyusuallyHow oftenHow oftenHardly Hardly Fill in the blanks in the conversation.Fill in the blanks in the conversation.How oftenHow oftenover two hours a over two hours a nevernever