健康与营养方面的论文怎么写啊初中英语版

thewaystokeephealthyeveryonewantstolivelong，however，thatjustdependsonyourbody'doyouknowhowtokeephealthy?i'dliketoofferyoutwoways:1)properdinners:generallyspeaking，butsomestudentswhogetuplatewillignorethebreakfast，anyway，weshouldn'2)studentsareusuallyverybusywiththeirhomework，allinall，beinginfitnessisourgoal，it'追问：有没有中文翻译回答：保持健康的方法每个人都希望长命，但是这取决于您的健康。你知道如何保持健康吗？我将向您介绍两种方法：1）合理膳食：通常来说，一个人应该一天三餐。但是一些起床晚点的学生常常不吃早饭，结果对它们的健康非常不利；另外，一些喜欢保持苗条身材的女同学三餐吃得很少，有时不吃——这两种方法都是就餐的坏毛病，我们在饭后不应该感到太饱或者太饿。2）学生们通常忙于自己的功课，所以它们没有时间参加体育锻炼或者是因为太懒而不高兴做。这是健康的另一个杀手。我们至少应该参加体育课或者是每天多运动保持健康。总而言之，保持健康是我们的目标。同样也是成功的基石。

As we all know，health is a common and concern We all should take care of our It is very important for everboyd`s We should study or work everday，we must have a strong Many people don`t pay much attention to their healthy，the people of this is more likely to get ill than those who take care of their body How to keep healthy?Well，i can tell you about this right To keep a body strong is not hard actually，We should sleep and wake up early everyday and we should have a healthy What`s more，we have to exercise every week to keep

Body bar in the ancient times in the history of a healthy diet， gradually formed a profound food traditions and culture of C Chinese food is not only about "color， smell and taste of" taste and "AIDS， keep the， fill" feature also is respected around the With the development of the society， people have higher demand for diet， increasingly rich cuisine， eating is more and more And often a lot of times， people ignore dietary health， eating just blind to， and did not know what kind of diet is healthy， is good for the The children， also developed a finicky， habit of a partial eclipse， meals and delicious to eat， not would not Children were is long body of when， should eat security food， but children were now are was does not security of food surrounded with: school door， every day diffuse with thick of black Fried of roast of food pendulum has a street， children were see has that oil AIDS AIDS of barbecue， couldn't help flow export water， you a series I a series of eat actually those meat series are is with metamorphic has of black fried into of， fried of when also emission white of foam， let people see has on eat more has this metamorphic has of oil will was These and others of ruining food， we have to be more careful， don't let your eyes， by those shiny bright， fragrant foods appearance fool you， bought that is not good for the body not only harm the winged Seraphs of A healthy diet， you need to focus on the many small details， not necessarily to nutrition， If nutrition too much can cause nutritional imbalance， is bad， so balanced Not only nutritional balance， but also meat pigment mix， only meat pigment mix， our body to draw abundant Also to note is that some things cannot be eaten in or eat some things must be in， this complementarity and mutual assistance， the body can The most important thing is， to the supermarket to buy food， and also to see the production date and term of validity， not to buy foods that have We are not fussy favoritism， even if they do not like to eat vegetables， to eat， because contains large amounts of vegetable nutrition; each day to eat regular， the stomach's digestive regularity， absorbs nutrition can be more

Good health is man’s most precious The broad concept of good health identifies health not only as a key element of individual welfare and happiness， but also as a key element in a broader societal context – for social cohesion， productivity and economic Having good health is important and beneficial in every Health is a necessity， but ill health can prevent you from doing what you want in an effective Good health is necessary to work You can’t do well if you don’t feel Your health condition has great effect on your performance and Being healthy helps you perform well in all your jobs and be highly

健康与营养方面的论文怎么写啊初中英语

就不能自己写啊，这还要上网弄

可以参考的有关于健康的范文：HGOnthecontrary，HowcanwekeephealthyHFirstly，itisveryimportantforustotakemorefruitsandvegetablesbecausetheyprovidevitamins，Soweshouldavoidfoodwithlotsofsugarandfat/whichisrichinsugaran涪肠帝段郜灯佃犬顶华Secondly，we'Besides，Finally，wehavetogetridofthosebadhabitsthatdamageourhealth，Inconclusion，ifwesticktotheadvicegivenabove，参考资料：关于健康的英语作文

健康与营养方面的论文怎么写啊初中英语作文

Health is the guarantee of one＇s Without a healthy body， one cannot do what he wants to， not tomention accomplishing his goals in One can keep fit in three First， he is to pay attention to Stay away from viruses， which meansone should wash hands， take baths frequently， eat and drink Stay away from bad life habits， such assmoking and overworking， which severely damage the body Secondly， one is to exercise Hemay go jogging， swimming， bicycling， playing basketball and so Exercises will improve one＇s ability toresist And last but not least， he should be optimistic， fearing no difficulties and obstacles， and alwaysbeing in high Only in good health as well as in high spirits can we greet the future， which is full of competition and challenges and strive to achieve our ambitions Health is more important than Good health enables us to enjoy our life and achieve what we hope for in our On the contrary， poor health leads to How can we keep healthy Here is some Firstly， it is very important for us to take more fruits and vegetables because they provide vitamins， and we have to keep a balanced So we should avoid food with lots of sugar and fat/which is rich in sugar and Secondly， we'd better exercise every day to make our bodies Besides， we have to avoid too much work Finally， we have to get rid of those bad habits that damage our health， such as drinking and In conclusion， if we stick to the advice given above， we will lead a healthy lifeToday， more and more people are in poor If we want to keep healthy we should healthy First， we should have a balanced Though we may not like eating vegetables， but the vegetables have a lot of They are very good for our Second， we'd better eat regular We need to eat breakfast， lunch， and dinner every Because regular meals throughout the day can give us enough energy to carry out our daily Third， we should get away from fast food， for it may cause a lot of

A the health is a 福 The underneath is a clear classmate in Lee to record down in diary of" keep healthy method" of a few and good Ask you to follow the contents that have the next form hint， regard" The way to keep healthy" as， write a little less than 80 short composition of Three want: 1 want to drink water fruit more with the vegetable， drink boiled water more 2 want to much exercise Sleep time is not a few 3 nights and 8 hours Three do not want: 1 do not drink coffee or teas in the evening 2 do not eat a lot of sugar 3 works or studies do not want to be too tired This is composition that 2 《 English weekly paper 》 Issue 5s ： beginning Two There is a lot of classmates morning going to school to do not eat the breakfast， this is a habit for not goodly， having the very big disadvantage to the Please this kind of phenomenon writes a short composition， indicate that bane that do not eat the (60 phrases are or so) hint:(1) do not eat the breakfast harmful to (2) do not eat the breakfast will affect to hear the lesson in the

可以参考的有关于健康的范文： Health is far more important than Good health enables us to enjoy our life and achieve what we hope for in our On the contrary， poor health leads to How can we keep healthy Here is some Firstly， it is very important for us to take more fruits and vegetables because they provide vitamins， and we have to keep a balanced So we should avoid food with lots of sugar and fat/which is rich in sugar and Secondly， we'd better exercise every day to make our bodies Besides， we have to avoid too much work Finally， we have to get rid of those bad habits that damage our health， such as drinking and In conclusion， if we stick to the advice given above， we will lead a healthy

Only in good health as well as in high spirits can we greet the future， which is full of competition and challenges， and strive to achieve our ambitions energetically

健康与营养方面的论文怎么写啊初中英语单词

have a healthy lifestyleWe all know it’s important to have a healthy Becauae if we have a good lifestyle，we will be full of But how we can have a healthy lifestyle？Well，many students always study hard until 11：00 pm every night，and they can’t get enought sleep，but it’s bad for their I think they should go to bed earlier in order to get enough sleep and work better next Some students always feel bored for For these students，I think they can talk over their problems with their parents or Also，it’s very important to have enough exercise and eat healthily for good healthy lifestyle，because exercise can make us happy and healthy，and eat more junk good can bring more side So eating

健康与运动：health and sport　　As we know， health is more important， sports can keep ourselves healthy and What more， It is very important to exercise and eat the right kind of food to keep You needn’t spend all day doing exercise ，you can keep yourselves Such as， walking to school， cleaning the house or riding a but many people forget these simple and easy ways to keep Such as running， swimming and playing They make you feel They also help you do better at Because we become closer to nature which will help us keep a clear mind in thinking　　How to keep your body healthy， I think body exercise is important So our nation physic education department sparkplugs students to attent exercise for one hour every Sport can make a lot of function to the We can know from the view 　　On the one hand， body exercise can accelerate the blood to flow， the flowing blood bring lots of nutrition to every place of your body， and take away the body waste， and hasten to build the On thd other hand， execrise can stimulate every system of your body， for example， when you play basketball， you jump and run constantly during the basketball Your body weight add more burden to joints， and your muscle shrink frequently， it is demanded to adapt to the exercise， consumes more energy for the task and takes more Then the joint and muscle will grow strong after those stimulating， and will be ready for more stong This mean that exercise make your body grow fast and become The third hand， body excrcise can improve inproves body immunity system， when doing body exercise， your body is perspiring， it not only take away the body waste， but also make fluent to all paths into your Let you feel well after sport， and keep far away So you will be 　　After we get the view， let’s do exercise every day， do our best to keep healthy　　字数应该够了吧

Possible version:Health is far more important than Good health enables us to enjoy our life and achieve what we hope for in our On the contrary， poor health leads to How can we keep healthy Here is some Firstly， it is very important for us to take more fruits and vegetables because they provide vitamins， and we have to keep a balanced So we should avoid food with lots of sugar and fat/which is rich in sugar and Secondly， we'd better exercise every day to make our bodies Besides， we have to avoid too much work Finally， we have to get rid of those bad habits that damage our health， such as drinking and In conclusion， if we stick to the advice given above， we will lead a healthy

Today，I want to tell you how to keep It is very important for Because if you don't keep fit，you will get How to keep healthy ? 　　　First，we must have a healthy Most of the students like eating fried food such as fried chicken，French fries and so But this kind of food isn't good for It is unhealthy We should eat less fried 　　　Second，we must have a good I have a good I get up early and go to bed I exercise regularly in the So I have a strong But I go to bed very late，so I should go to bed earlier than 　　Last but not least important，We must do some housework at My parents are very tired because they do the housework everyday，so we can help 　　　If you take these advice，you will be

健康与营养方面的论文题目大全初中英语版

少食者健　　数十年来，研究人员已经知道，饮食比正常小鼠低三分之一热量的小鼠，寿命要延长40%，这个结论也适用于其他哺乳动物。南美厄瓜多尔比尔曼村人口不满一千人，但超过百岁的达九人之多。他们饮食少、且为粗茶淡饭，一天摄取1200卡的热量，不吃肉或蛋，饮食内容多是小麦、玉蜀黍、马铃薯、秋蕉、葡萄等谷菜果食。　　少食者长寿，确是有依据的。吃得愈少活得愈久一项研究表明，实验室里的老鼠摄取的热量愈少，活得愈久，即使年纪大了才减少热量摄取也不例外。研究显示，减少老鼠摄取的热量，可以收到立即良好成果，不但老鼠寿命延长六个月，其罹患癌症的比率也降低。美国国家科学院学报刊登的研究报告也显示，即便得了癌症，减少热量摄取也可以减缓肿瘤的成长。比如减少热量摄取的结果，老鼠的肿瘤死亡率从80%减少到67%。洛杉矶加州大学科学家席宾德勒说，年龄大的老鼠减少热量摄取，对肝脏基因产生的效果，和小老鼠节食所产生的效果相同。一些科学家经过多年研究发现，延长寿命的秘诀之一，是人只吃富含维生素与矿物质、而热量低的饮食，也就是说，饮食上保持营养适度低下(但不是营养不良)。这办法经实验室证明非常成功。以这种方式实验的老鼠，原先只有两年左右的寿命，现在可以活到四年以上，并且还维持著青壮年的行为与外貌。虽然目前还不知道节食是如何让动物长寿的，但研究发现，节食的动物体内线粒体的基因突变较少，一些组织中的细胞死亡也较少。因此科学家认为这可能是节食延缓衰老的主要机理之一。下决心管住嘴巴吃得太多常有几种原因，一是有些生活条件不错的人，不懂得惜福，不考虑营养、而只顾自己的嗜好，看到美食就忍不住。第二种是想摄取充分的营养而勉强地多吃的人。有的人因为活动激烈，生理上需要多量的热量。但为了营养而大吃是愚昧的。多余的营养决不能为身体所吸收，反而会成为肝、肾中毒的因素。吃得太多的人肝脏常肥大，这是因为不调合地吃了多量东西，而胃肠需要把它消化而借力于肝脏。排泄量愈多，肝脏的负担也愈重。而肾脏也因为吃得太多太好的原因，同样地处于不健康的状态。许多疾病都是源于管不住自己的嘴巴。日本横尾医学博士在其所著「快食、快便、快眠」一书中，有如下一节：「糖尿病的发生是因为长年的过食、过饮美食，而使胰脏中的内分泌器官发生故障，因而引起的。因此糖尿病的预防方法是不要肉食、美食，平常不可暴饮、暴食。大食以后，胃肠因过分地膨大，致使通过它后侧的大动脉受到压迫，血液的循环受到了抵抗，而促使血压高涨。血压高是脑出血的直接原因。」许多疑难杂症的起因，也在于摄取饮食的方法不当。放任食欲造成饮食过量，再加上寻求不到正确的疗法，才会变成疑难杂症。而有心者即使不实行任何一种健康方法，只要肯维持少量饮食，就能够毫无病痛地活到八、九十岁，这类长寿者大有人在。精神状况得到改善吃得太饱，总会想打瞌睡，这是多人曾有过的经验。如果适当节食，少食者的体质一旦产生变化，睡眠时间多半也会缩短，本来每天要睡八小时的人，只需睡五、六个小时就足够。其实，身体若真是非常健康，一、二天空腹也是稀松平常的事。一、二餐不吃就产生虚脱感的人，很可能是胃下垂或潜在性糖尿病等疾病的征兆。真正健康的人，一、二餐不吃，绝对不会觉得没有力气，或是冒冷汗，头晕目眩。「吃得愈少，身体愈健康。身体愈健康，就愈轻盈。身体愈轻巧，身心就愈清爽，心身爽朗，智慧就愈开明，愈有智慧，才能愈发灵巧。」这是一些少食主义者的体会。一些少食实践者说，最初肚子饿的时候，会出现异常的虚弱感，或是头晕目眩，心悸亢进、头疼等症状，但经过这时期以后，身体会突然转变得清爽起来，虽然空腹也还是精神奕奕，工作也充满了活力。即使稍微工作过度，也不会觉得疲劳。一旦养成少食的习惯，睡眠时间不但会缩短，身心都会感到愉快，不易疲劳，头脑清晰，比别人有加倍的体力工作。吃得多，身体愈笨重，人也愈懒散，心情就愈黯淡。智慧会不开，才能就笨拙。而一些有识之士虽然身份富贵，却不片面追求口舌之欲，过著粗茶淡饭的生活，尽享天年。长寿两理论互相关联人的寿命长短，除了遗传因素之外，行为方式也极为重要。这方面有两种长期被关注的理论。一是吃七八分饱更长寿，二是体温较低能增加寿命。前一个理论得到较多的研究结果证实，而第二个理论也得到验证，两者之间且有密切联系。正常人的体温平均是摄氏37度，但最近的一项研究发现，如果就寿命而言，摄氏5度可能更好。把小鼠的正常体温降低5摄氏度，它们的预期寿命最高可增加20%，这相当于人增加了7到8年的寿命。这个结果提示，人的血液温度低一些可能延长寿命。另一方面，饮食中的热量少三分之一的小鼠或哺乳动物的体温，又会下降5摄氏度或更多。是低体温有助于延缓衰老，还是低热量饮食导致了低体温呢？为了找到其中的奥秘，研究人员利用遗传工程的方法降低小鼠的体温。他们把一种基因植入小鼠大脑下丘脑和靠近该区域感知和控制体温的一群脑细胞中，让大脑误以为身体温度较高而发出降温指令，使得小鼠的身体降温3~5摄氏度。降温后雌鼠的预期寿命延长20%，而雄鼠延长12%。这个研究证明，限制饮食的抗衰老效果是与低体温相联系的。其中的原理可能是，低体温延缓了新陈代谢和身体其他副产品的产生，如自由基。而自由基是损害细胞和促使细胞衰老的元凶。由此，也使得细胞的寿命延长，因而增加了寿命。

沙棘的营养与健康摘要：沙棘，又名醋柳，是一种小乔木，它起源于距今约2500万—4000万年前，同青藏高原和喜马拉雅山的形成处于同一时代；它经历了冰期、间冰期和喜马拉雅山造山运动的严酷生态环境变迁考验，具有强大的生命力。目前广泛分布于青藏高原、西伯利亚等地区。研究发现，沙棘果实中的活性成份多达190多种。其中包括脂溶性维生素6种，脂肪酸22种，脂类42种，黄酮和酚类36种。沙棘是自然界活性成份最全的植物，是营养植物之冠，具有预防心血管类疾病，抑制多种肿瘤细胞的增生、促进细胞退化，提高人体机体抗病能力，保肝护肝，抗衰老，促进肠胃健康，抗烧伤烫，养颜护肤，预防缓解神经衰弱，抗辐射、抗炎生肌等多种功效关键词：沙棘营养健康沙棘果油沙棘，又名醋柳，是一种小乔木，它起源于距今约2500万—4000万年前，同青藏高原和喜马拉雅山的形成处于同一时代；它经历了冰期、间冰期和喜马拉雅山造山运动的严酷生态环境变迁考验，具有强大的生命力。目前广泛分布于青藏高原、西伯利亚等地区。研究发现，沙棘果实中的活性成份多达190多种。其中包括脂溶性维生素6种，脂肪酸22种，脂类42种，黄酮和酚类36种。沙棘是一种生命力极强的灌木，一般生长在干燥、寒冷的贫瘠的山区。在我国，沙棘主要分布在山西、西藏、内蒙等省区，沙棘果和叶含有丰富的生物活性成分，是珍贵的药食两用植物资源。早在1300年前，唐代的《月王药珍》、《四部医典》记载了沙棘的医药用途，祖国医学理论认为，沙棘主要有利肺、壮阳、养胃、健脾、活血、化瘀等药理作用。另外，沙棘还具有独特的功效，沙棘提取物维生素E等营养物质能滋养皮肤，促进细胞代谢，促进上皮组织再生，具有抗过敏、抑菌、强渗透力和保护皮肤自然色泽的作用。现代化学成分分析表明沙棘富含维生素C、维生素E、类胡萝卜素、多种氨基酸、蛋白质、亚油酸、磷脂、黄酮、多种微量元素等营养成分。沙棘籽中不饱和脂肪酸高达80%，含有人体必需的八种氨基酸中，沙棘含有钙、铁、锌钾、硒等十一种人体必须的微量元素。沙棘中提取的沙棘籽油富含维生素E、类胡萝卜素、苦木素、香豆素、氨基酸、不饱和脂肪酸等，因而，沙棘在临床上对烧伤、烫伤及宫颈糜烂有显著疗效；对慢性浅表性胃炎、畏缩性胃炎、胃溃疡、十二指肠溃疡、口腔溃疡、久病体虚、老年性体弱等疗效确切；预防和治疗冠心病、心绞痛、动脉硬化等心脑血管疾病；沙棘对恶性肿瘤有明显的抑制作用，能阻断致癌物V-亚硝酸的合成和抑制黄曲酶素诱发癌前病变的作用，对胃癌、肠癌、肺癌、食道癌、乳腺癌、白血病等有抑制治疗作用。《中国食品报》报道，陕西省肿瘤防治研究所最近提供的54例肿瘤病人服用沙棘油表明，肿瘤迅速变小或消失者占84%。沙棘系列产品的问世，是二十一世纪胃肠疾病、心脑血管疾病、肿瘤癌症、烧烫伤等患者的福音，沙棘籽油等产品是疗效显著的纯天然绿色保健品。沙棘含有160多种生物活性物质、8种氨基酸、11种微量元素、具有极高的药用价值和营养价值。沙棘富含维生素E，可以阻断亚硝酸盐在人体合成致癌物质-亚硝铵；沙棘油富含的儿茶素对由TPA引起的细胞癌和黄霉素乃苯并具有强烈抑制作用；沙棘富含的β-胡萝卜素则是良好的抗氧化剂，可阻止化学物质的致癌过程，起到抗癌治癌的效果。沙棘籽油对白血病、肉瘤、黑色素瘤、艾氏腹水瘤、胃癌等抑制效果尤为显著。沙棘果油是以沙棘果为原料经CO2超临界萃取的一种天然营养保健油，沙棘果油含丰富的油酸和亚油酸，含量高达85%，沙棘素有“天然维生素胶丸”，含有丰富的维生素还含有磷、铁、镁、锰、钾、钙、硼、硅、铜等24 种微量原素，尤以钙、铁、锌、钾、硒的含量最多。另外，沙棘果油中有一定量的膳食纤维但胆固醇含量为零。因此，沙棘果油是中老年朋友最具价值的保健油。一、沙棘是自然界活性成份最全的植物，是营养植物之冠沙棘所含有的生物活性物质主要有10大类：磷脂类、维生素类、5－羟色胺、多种挥发油类、酚类及有机酸类、蛋白质和氨基酸类、三萜、甾体类化合物、人体必需的多种微量元素、油和脂肪酸类（亚油酸、亚麻酸等）、黄酮类化合物（沙棘复合总黄酮）。沙棘中富含维生素 C。沙棘维生素 C的含量是一切蔬菜水果类之冠：是猕猴桃的2—3倍，桔子的6倍，山楂的20倍，西红柿的80倍，苹果的200倍。此外，沙棘果还含有维生素 E，B－胡萝卜素，及 B族维生素，沙棘是维生素“源”植物，被誉为“维生素宝库”。二、沙棘具有广泛的医药和营养保健功能沙棘对于预防和治疗各种疾病、强身健体、延年益寿有着特殊重要的作用。我国卫生部在1977年将沙棘正式列入《中华人民共和国药典》，国家中医药管理局编写的《中华本草》中也记载了沙棘的药用功效。我国第一部详细记载沙棘医疗作用的经典著作，是公元8世纪下半叶的藏医巨著《四部医典》，这也是世界上第一部系统记载沙棘药效的医学著作。以及后来清朝医学名著《晶珠本草》，都对沙棘的应用做了大量的论述这个是我们以前做过的一个实验报告，不知能否算呵呵

我们的中华民族是一个历史悠久的文化大国，文化底蕴丰富，从古至今，就已经有许多的医书记载着各种食物的营养价值。现代社会，随着人们的生活水平不断提高，在解决了温饱问题之后，人们更多的是关注的自身的健康状态以及膳食结构的合理，食品的营养搭配，营养学和平衡膳食渐渐的成为人们生活中一个时尚而且重要的话题。　　营养学是研究营养与生物健康关系的一门学科，属生物学分支，也是研究人体营养规律及其改善措施的科学，具体的说就是研究人体对食物的利用与代谢规律及科学确定人体对营养素需要量的科学。营养学在其发展的过程中，不仅包括食物进入机体内的变化，如参与生化反应和结合到组织细胞中；还包括指导人们如何选择食物以保障机体的正常生长、发育与繁殖。所以营养学除了有其生物学意义外，还有其社会经济意义。　　营养与营养学是两个概念。营养学家对营养所作的解释是：食物中的营养素和其他物质间的相互作用与平衡对健康和疾病的关系，以及机体摄食、消化、吸收、转运、利用和排泄物质的过程。它是一种全面的生理过程，而不是专指某一种养分。营养素是人类生存和保持人体健康的重要物质基础，但是丰富的营养素未必就可以给人体带来真正的健康。如果我们在饮食行为上不加以注意，摄人的食物种类搭配不合理，就很容易造成某些营养素的缺乏或过剩，同样会导致一些营养性疾病的发生。人一生整个过程都离不开营养，合理的营养可以增强机体对疾病的抵抗力，达到延年益寿的目的。打个比方，如果把人体比作一栋建筑物，营养就相当于建造建筑物的各种材料，如果材料不足偷工减料或材料质量不合格，这栋建筑物肯定是不结实的，同样道理，如果营养不良或营养品质不好，那人肯定也不会很健康了。除此之外，它们两者的关系还是相辅相成的，充足平衡的营养能帮助机体增强免疫力，抵抗疾病的能力增强。而健康的身体又是吸收营养的前提，比如当身体发烧时，人的体温升高，消化酶活性降低，不能很好消化食物，食欲下降，更谈不上营养的吸收了。营养影响着人类生长发育、智力、延寿、康复以及下一代的成长，甚至可以影响到民族、国家的强盛。　　平衡膳食是人民生活水平提高的必然要求，它是指选择多种食物，经过适当搭配做出的膳食，这种膳食能满足人们对能量及各种营养素的需求，因而叫平衡膳食。一般来说，它是指同时在四个方面使膳食营养供给与机体生理需要之间建立起平衡的关系：氨基酸平衡、能量营养素构成平衡、酸碱平衡及各种营养素摄入之间的平衡，只有这样才有利于营养素的吸收和利用。　　我们知道食物可分两类，一类是动物性食物，包括肉、鱼、禽、蛋、奶及其制品；另一类是植物性食物，包括谷类、薯类、蔬菜、水果、豆类及其制品，食糖类和菌藻类。不同种类食物的营养素不同：动物性食物、豆类含优质蛋白质；蔬菜、水果含维生素、矿物盐及微量元素；谷类、薯类和糖类含碳水化合物；食用油含脂肪；肝、奶、蛋含维生素A；肝、瘦肉和动物血含铁等。这些营养素之间能相互配合，相互制约。如维生素C能促进铁的吸收；脂肪能促进脂溶性维生素A、 D、E、K的吸收；微量元素铜能促进铁在体内的运输和储存；碳水化合物和脂肪能保护蛋白质，减少其消耗；而磷酸、草酸和植酸能影响钙、铁吸收。所以只有吃膳食结构合理的混合膳食，才能满足儿童对食物营养的摄取。　　为了让大家可以更合理的选择食物，适当的搭配，营养学家经过研究发现可以把各种各样的食物分成五类，并设计了一个平衡膳食宝塔。　　平衡膳食宝塔共分五层，包含我们每天应吃的主要食物种类。　　第一层（底层）：谷类。包括米、面、杂粮。主要提供碳水化物、蛋白质、膳食纤维及B族维生素。它们是膳食中能量的主要来源，多种谷类掺着吃比单吃一种好。每人每天要吃350-500克。　　第二层：蔬菜和水果。主要提供膳食纤维、矿物质、维生素和胡萝卜素。蔬菜和水果各有特点，不能完全相互替代，不可只吃水果不吃蔬菜。一般来说红、绿、黄色较深的蔬菜和深黄色水果含营养素比较丰富，所以应多选用深色蔬菜和水果。每天应吃蔬菜400-500克，水果100-200克。　　第三层：鱼、虾、肉、蛋（肉类包括畜肉、禽肉及内脏）类。主要提供优质蛋白质，脂肪、矿物质、维生素A和B族维生素。它们彼此间营养素含量有所区别。每天应吃150~200克。　　第四层：奶类和豆类食物。奶类主要包括鲜牛奶、奶粉等。除含丰富的优质蛋白质和维生素外，含钙量较高，且利用率也高，是天然钙质的极好来源。豆类含丰富的优质蛋白质、不饱和脂肪酸、钙及维生素B1、B2等。每天应饮鲜奶250-500克，吃豆类及豆制品50-100克。　　第五层（塔尖）：油脂类。包括植不物油等。主要提供能量。植物油还可提供维生素E和必需脂肪酸。每天不超过25克。　　　需要指出的是，对每个人而言，平衡膳食宝塔上的每日所需要的五类食物是不能互相替代的。而在宝塔的同一层中各种食物所含的营养成分是大体相同的。所以，在平常的膳食中，我们可以经常相互的替换，从某种意义上说，这样的相互替换是非常合理而且应该提倡的，因为这样可以使膳食更丰富。吃的品种越多，摄入的营养素也就越全面。对于摄入的量而言。可以根据自身的实际情况稍加调整，不一定非要一字一句的照着宝塔上说的量去吃，因为膳食宝塔最重要最核心的是每日的膳食中要包括宝塔中的各类食物，只要经常遵循宝塔中个层各类食物的大体比例，就在基本上做到了膳食平衡。

The desire for good health is In our competitive society it is important to maintain good On the one hand，people with good health can do work with full confidence and their progress in work in turn contributes to their health and On the other hand，a sick person is usually not interested in everything around him and therefore he loses many opportunities to become There are many ways to keep First，those who are always on the go from morning till night should find time to relax because too much stress will affect their Second，enough time should be left for sleep because that will help one become rested and Finally，regular physical exercises benefit one's health a So one should always keep in mind that a certain amount of exercise is not a waste of As for me，I like playing tennis in the 良好的健康是一种普遍的渴望在我们这个充满竞争的社会，这是很重要的，保持身体健康一方面，一个健康的人可以工作满怀信心地和他们的进展，在工作依次归因于他们的健康和幸福另一方面，一个生病的人通常是不感兴趣，因此在他周围的一切，他失去了许多的机会，最终获得成功有很多方法去保持它首先，那些总是不停的时候，从早到晚都应该找时间来放松，因为太多的压力会影响他们的健康第二，应该留足够的时间睡觉，因为那将帮助人们成为休息和清新最后，有规律的体育锻炼的健康大有好处所以一个人应该永远记住一定量的运动并不是浪费时间至于我，我喜欢打网球的早晨