英语上unit2课文讲解.ppt
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1、SectionBUnit2Howoftendoyouexercise?Junk foodWhat food and drink are unhealthy?junk food“junkfood意为意为“垃圾食品垃圾食品”,指那些仅,指那些仅仅提供热量,别无其他营养素的食物;或指仅提供热量,别无其他营养素的食物;或指提供超过人体需求,变成多余成分的食品。提供超过人体需求,变成多余成分的食品。如:西式快餐中的汉堡、薯条、炸鸡,中式如:西式快餐中的汉堡、薯条、炸鸡,中式小吃中的油炸饼、方便面、早餐常吃的油条、小吃中的油炸饼、方便面、早餐常吃的油条、烧饼等。烧饼等。Isthefoodinthefoll
2、owingpictureshealthyorunhealthy?healthy foodDoctors want us to drink milk every day.Because milk is good for our health.Doctors want us to eat fruit every day.Because its good for our health.My mother wants us to eat vegetables every day.Because they are good for our health.be good/bad for healthCof
3、feeisbadforourhealth.be good/bad for healthPotato chips are bad for health.potatochips=Frenchfriescolabe good/bad for healthbe good/bad for healthbe good/bad for health?ice-creambe good/bad for health?hamburgersbe good/bad for health?hotdogunhealthy不健康的不健康的junk foodbe bad for healthnothealthyDoctors
4、wantusnottoeatjunkfoodtoomuch.Becauseitisbadforourhealth.colasalad souphot dogtomatooniondumplingbroccolihealthy or unhealthy?-Whatdoyouthinkofjunkfood?-Althoughitsbadforourhealth,Iloveit.Ieatitonceortwiceaweek.-How often do you eat junk food?-I eat junk food once a month.-Do you like it?-Yes,althou
5、gh its not good for my health.-(No,its bad for my health.)junkfoodfruitA:How often do you eat fruit?B:I eat fruit every day.A:Do you like it?B:Yes,its good for my health.(No.But my mother wants me to eat it.She says its good for my health.)vegetables1._junkfood2._milk3._fruit4._vegetables5._sleep6._
6、coffeebfead1acMatchthewordswiththepictures.1bAskandanswerquestions.Usethewordsfrom1a.PairworkA:Howoftendoyoudrinkmilk?B:Idrinkmilkeveryday.A:Doyoulikeit?B:No.Butmymotherwantsmetodrinkit.Shesaysitsgoodformyhealth.1.Momwantsmetogetupat6:00and2.playping-pongwithher.wanttodosth.想要做某事想要做某事wantsb.todosth.
7、想要某人做某事想要某人做某事wantsb.nottodosth.想要某人不要做某想要某人不要做某事事Doyouwanttogotothemovieswithme?1.你想和我一起去看电影吗?你想和我一起去看电影吗?2.Theteacherwantsusnottoeat3.hamburgers.4.老师不想让我们吃汉堡包。老师不想让我们吃汉堡包。begoodforsth.对对有益有益bebadfor对对有害有害begoodatdoingsth.擅长擅长begoodto/withsb.对某人好对某人好Eg:Readingbooksisgoodforourstudy.liuXiangisgoosat
8、running.MissWangisgoodtostudents.Listen.Thencircleyouranswertoeachquestion.1a1b.Listen again.Fill in the blanks in the survey.hardly everevery dayneverninenineevery daynevertwo or three times a weekthree or four times a weekneverfour timesa dayHowoftendoyou?Howoftendoyou?televisionbodyonlinemindtoge
9、therNewwordsandphrasespercentn.onlineadj.televisionn.althoughprep.throughconj.mindn.百分之百分之在线的;联网的在线的;联网的电视节目;电视机电视节目;电视机虽然;尽管;即使虽然;尽管;即使以;凭借;穿过以;凭借;穿过头脑;心智头脑;心智bodyn.suchadj.&pron.suchastogetheradv.diev.writern.身体身体这样的;那样的;类似的这样的;那样的;类似的例如;像例如;像这样这样在一起;共同在一起;共同消灭;灭亡;死亡消灭;灭亡;死亡 作者;作家作者;作家2a.Rank thes
10、e activities according to how often you think you classmates do them(1=most often,6=least often)2b.Read the article and complete the pie charts on the next page.What Do No.5 High School Students Do in Their Free Time?1.We found that only fifteen percent of our students exercise every day.percent 名名词
11、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】1.percent做主做主语时语时,谓语动词谓语动词的数要根据其的数要根据其后面的名后面的名词词来确定。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。2.And twe
12、nty percent do not exercise at all!not at all 意意为为“一点也不一点也不”,not应应和和be动词动词、助、助动词动词或情或情态连态连用。用。e.g.The story isnt interesting at all.那个故事一点也没有趣。那个故事一点也没有趣。They didnt enjoy the vacation at all.他他们们根本不喜根本不喜欢欢那次旅行。那次旅行。The old man cant use the computer at all.那位老人一点也不会用那位老人一点也不会用电脑电脑。3.atleast至少至少例如:例如:
13、Weshouldbrushourteethatleasttwiceaday.我们每天应该至少刷两次牙。我们每天应该至少刷两次牙。Agoodcigarettewillsmokeatleasttenminutes.一支好烟至少可以抽一支好烟至少可以抽10分钟。分钟。反义短语反义短语:atmost至多至多4.Although many students like to watch sports,game shows are the most popular.although 连词连词,“尽管,尽管,虽虽然;即使然;即使”e.g.We went fishing although it was cold
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