1、2022-11-7人教版八年级上册英语人教版八年级上册英语Unit2_SectionB（2a-2e）优质课课件优质课课件eat vegetableseat fruiteat little junk foodsleep nine hours every nightdrink milk exercisea healthylifestyleeating habitseat rice for meals Do you have a healthy lifestyle?Are they in good health(=healthy)?Of course,they arent.Why are they
2、so heavy?Because their eating habits are bad.They like eating junk foodHow can we keep healthy?Try to eat more healthy foodand less junk food.Try to exercise every day.Everyone must sleep 8 or 9 hours every night.1.Eat rice for meals.2.Try to eat vegetables every day.3.Eat fruit every day.4.Eat some
3、 meat sometimes.5.Dont eat the food with too much oil.6.Drink some milk every day.Who has better eating habits?Whose lifestyle is better?TinaTinaTinaTinaI think Tina has better eating habits.Because she every day.She two or three times a week.She neverHer lifestyle is better.Sheevery day.Shenine hou
4、rs every night.She looks after her health.She is very healthy.“unhealthy”.Lisa sleeps eight hours every night.She eats a good breakfast and she exercises every day.She never eats junk food.healthy/unhealthy Lucy likes to watch TV.On weekends,she never exercises and she doesnt like fruits or vegetabl
5、es.She eats junk food.And Pam never goes to the doctor.healthy/unhealthy Peter is tall and thin.He plays tennis three times a week and he runs five miles every Saturday.He never watches TV.He eats fruits and vegetables every day and sleeps nine hours every night.healthy/unhealthy Read about each per
6、son.Then circle“healthy”orI think in our class,_ students likeAll students?=100%Most students?=51%-99%Some students?=1%-50%No students?=0%using the internet.doing homework.playing table tennis.(ping-pong)playing basketball.playing soccer.listening to music.going to the movies.watching TV.playing com
7、puter games.going camping in the country.In our class,_ students likeusing the Internet._ students Like playing sports._ students like watching TV.As for homework,_ students like doing it.watch TV go to the movies play computer games exercise or play sports use the Internet go camping in the country
8、2a2aRank these activities according to how often you think you classmates do them(1=most often,6=least often)去乡下露营做运动2b2bRead the article and complete the pie charts on the next page.What Do No.5 High School Students Do in Their Free Time?What do No.5 High school students do in their free time Last
9、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 15 percent of our students exercise every day.45 percent exercise four to six times a week.20 percent exercise only one to three
10、times a week.And 20 percent do not exercise at all!We all know that many students often go online,but we were surprised that 90%of them use the Internet every day.The other 10%use it at least three or four times a week.Most students use it for fun and not for homework.2b2bThe answers to our question
11、s about watching television were also interesting.Only 2%of the students watch TV one to three times a week.13%watch TV four to six times.And 85%watch TV every day!Although many students like to watch sports,games shows are the most popular.It is good to relax by using the Internet or watching game
12、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 late!它对于大脑和身体是健康的。Rea
13、d the article and complete the pie charts154520209010213852b2b15%20%45%0%20%90%10%85%2%13%1.ask sb.about sth.向某人询问某事 2.主语+find+that 从句 发现 3.four to six times a week 每周四至六次 4.notat all 根本不 一点也不 5.go online,use the Internet 上网 6.be surprised 感到惊奇 7.at least 至少 8.three or four times a week 每周三到四次 9.by
14、doing sth.通过做某事 10.Its+adj.+to do sth.做某事是.的11.the best way to do sth.做某事的最好方式 12.such as 例如13.spend time with sb.和某人一起度过时光14.start doing sth.开始做某事 短语归纳短语归纳 1.How many percent of the students do not exercise at all?2.How many percent of the students use the Internet every day?3.How often do most stu
15、dents watch TV?What do they usually watch?4.What does the writer think is the best way to relax?Why?5.Do you think the students at No.5 are healthy?Why or why not?2c2cRead the article again and answer the questions.Twenty percent.Ninety percent.Every day.Game shows.Exercise.It is healthy for the min
16、d and the body.No.According to the article and the pie charts,write sentences with the percentages using always,usually or sometimes.2d2d1.90%:2.85%:3.45%:4.10%:5.13%:6.2%:Ninety percent of the students always use the Internet.Eighty-five percent of the students watch TV every day.Forty-five percent
17、 of the students exercise four to six times a week.Ten percent of the students use the Internet at least three or four times a week.Thirteen percent of the students watch TV four to six times a week.Two percent of the students watch TV one to three times a week._ _ _ _ _ _ _ _ _ _3.percent 百分数，基数词+p
18、ercent：percent 没有复数形式，作主语时，根据所修饰 的名词来判断谓语的单复数。Forty percent of the students in our class are girls.Thirty percent of time passed2.find+宾语+名词,发现 ：We have found him(to be)a good boy.find+宾语+形容词，发现：He found the room dirty.find+宾语+现在分词，发现：I found her standing at the door.1.free 空闲的，有空的，反义词 busy.be free
19、有空，闲着，相当于 have time.Ill be free next week.=Ill have time next week.be free to do sth.自由地做某事“免费的，自由的”4.exercise做动词时，可作及物动词，也可作不及物动 词。例如：She exercises two or three times a week.她一周锻炼两三次。She exercises the dog every day.每天她都遛狗。【拓展】exercise作名词时，意为“锻炼；运动”时是不可 数名词，意为“体操；练习”时是可数名词。例如：I should eat less food
20、and take more exercise.我应该少吃饭，多锻炼。We do morning exercises every morning.我们每天早上都晨练.5.It is good to relax by using the Internet or watching game shows,but we think the best way to relax is through exercise.通过上网或看娱乐节目放松是好的，但是我们认为最好的放松方式是通过锻炼。（1）Its good to do sth.意为“做某事好”，它是 “Its+adj.+to do sth.”句型句型.i
21、t作形式主语作形式主语例如：Its good to run in the morning.早上跑步是好的。(2)the best way to do sth.意为“做某事最好的方法”也可表达为the best way of doing sth.例如：I have a good way to do with the problem.我有一个处理这个问题的好方法。(3)by using the Internet or watching game shows，by作介词，表示“通过某种方式”。置于动名词前表示方法、手段、原因等。例如：By working hard he made great pro
22、gress.通过努力学习，他取得了很大的进步。He earns his living by writing.他靠写作为生。1.It is very important for us _ English well.2.its very nice _ you _my parents your best wishes.3.I often have hamburgers for lunch.Youd better not.Its bad for you _ too much junk food.4.The best time _(visit)Beijing is in autumn.to learno
23、f sendingto eatto eat 6.although 尽管尽管.但是但是.Although不能与不能与but 连用连用.Although I am poor,but I am happy.Although many students like to watch sports,game shows are the most popular.虽然许多同学喜欢看体育节目，但是娱乐节目是最受欢迎的。although是连词，意为“虽然，尽管，即使”。例如：Although he is young,he knows a lot.虽然他很年轻，但是他知道很多。【注意】although=though,汉语中可以说“虽然，但是”，但英语中although/though与but不能同时出现在同一
