The biggest wealth in life Health Balanced diet Regular eating habits(3and5 meals a day)Elegant 優(yōu)雅優(yōu)雅 environmentl Live in a less polluted city.l Keep your room clean and tidy.What do you often do in keep health?How to keep health?Food and drinksSportsFood and drinksEating Pyramid Everyone knows that some things cant be eaten.And now does anyone know what the food doesnt match?Tell us what you know.For exampleTomatoCucumber 西紅柿與黃瓜相克同食使維生素C遭破壞。Eat together will damage Vitamin C.Orange Milk牛奶與橘子同食：剛喝完牛奶就吃橘子，牛奶中的蛋白質(zhì)就會先與橘子中的果酸和維生素C相遇而凝固成塊，影響消化吸收，而且還會使人發(fā)生腹脹、腹痛、腹瀉等癥狀。Eat together will cause abdominal distension,abdominal ache,diarrhea and so on.TeaEgg茶葉煮雞蛋：茶葉中除生物堿外，還有酸性物質(zhì)，這些化合物與雞蛋中的鐵元素結(jié)合，對胃有刺激作用，且不利于消化吸收。Boiled eggs is not conducive to our digestion.TomatoPotatoTomato and potato couldnt eat together,if you eat them together you will have abdominal ache and diarrhea.西紅柿與土豆相克西紅柿與土豆相克同食會腹痛、腹瀉。同食會腹痛、腹瀉。SportsDo you like sports,which sports do you like best?體育鍛煉是保持身體健康的關(guān)鍵因素。經(jīng)常運(yùn)動有助于消耗體育鍛煉是保持身體健康的關(guān)鍵因素。經(jīng)常運(yùn)動有助于消耗體內(nèi)多余的熱量，改善心臟和血液循環(huán)系統(tǒng)。體內(nèi)多余的熱量，改善心臟和血液循環(huán)系統(tǒng)。Physical exercise is the key factor to keep healthy.Exercise regularly can use up our redundant heat,and improve heart and blood circulation system.一個良好的運(yùn)動計劃應(yīng)該包括三種身體活一個良好的運(yùn)動計劃應(yīng)該包括三種身體活動：動：、和和。stretching exercisesAnaerobic exercise SwimmingCycling JoggingWalking(競走)Aerobic exercise can help able-bodied cardiopulmonary and blood circulation system.有氧運(yùn)動有助于強(qiáng)健心肺功能和血液循環(huán)系統(tǒng)。有氧運(yùn)動有助于強(qiáng)健心肺功能和血液循環(huán)系統(tǒng)。伸展運(yùn)動伸展運(yùn)動有助于全身淋巴腺有助于全身淋巴腺的暢通及關(guān)節(jié)的放松，是很的暢通及關(guān)節(jié)的放松，是很好的身體保健運(yùn)動。好的身體保健運(yùn)動。Stretching exercises are good to make us systemic lymph clear and the joint relax,it is a very good body movement.WeightliftingRunningAnaerobic exercise can adjust and exercise our muscle.無氧運(yùn)動能調(diào)節(jié)和鍛煉肌肉。無氧運(yùn)動能調(diào)節(jié)和鍛煉肌肉。Useful expression Mind your head/steps Be quick or youll be late Dont smoke or youll be fined.Be careful!Dont touch the wire.Keep away from the fire Watch your step.You mustnt do that here.Smoking is forbidden in this building.No spitting.No entry.No littering.Caution:Wet Floor Danger:Deep Water Danger:No SwimmingJane:Watch your step!The floor is wet.Liu Tao:Oh,really.Jane:You must be careful or youll fall down.Liu Tao:Thank you for reminding me!No smoking Li:Excuse me,sir.Im afraid smoking is not allowed here.Man:Is that so?Li:Yes.Dont you see the“No Smoking”sign on the wall.Man:Oh,Im sorry.I really didnt notice.Li:This is a smoking-free store.Man:Thank you for telling me.Li:Thats good.Those who smoke here will be fined.Man:I know now.Mind your head.Deep water.Be careful.No spitting.No littering.5.ConclusionAs we know that poor health would deprive everything in our life,but good health enables us to enjoy our life,achieve our goals and realize our dreams.So health is much more important and valuable than anything else such as wealth or even wisdom.Useful expressions Mind your head/steps Be quick or youll be late Dont smoke or youll be fined.Be careful!Dont touch the wire.Keep away from the fire Watch your step.You mustnt do that here.Smoking is forbidden in this building.No spitting.No entry.No littering.Caution:Wet Floor Danger:Deep Water Danger:No Swimming