写作思路：首先描写保持健康的重要性，然后详细描写保持健康的方法，最后再描写生活中的健康细节。范文：As we know， keeping healthy is important to But what should we do to keep healthy? First，we should get up 众所周知，保持健康对我们很重要。但是我们应该怎样保持健康呢？首先，我们应该早起。we should eat healthy food， drink a lot of water and do more exercise 我们应该吃健康的食物，多喝水，多运动。Food can give us Doing exercise can make us Second，we should change clothes often， wash hands often， keep the air fresh and clean and do house cleaning often to stop germs from getting into our 食物能给我们能量。做运动能使我们强壮。第二，我们应该经常换衣服，经常洗手，保持空气新鲜和清洁，经常打扫房间，以防止细菌进入我们的身体。You shouldn’t keep long At last， we should go to see a doctor at once if we don’t feel 你不应该留长指甲。最后，如果我们感觉不舒服，我们应该马上去看医生。
How to Keep Healthy Nowadays more and more people are concerned about their But how to keephealthy? Different people may give different answers to this In my opinion， it is essential to do the First， it is absolutely necessary to take some exercise every Research shows that getting plenty of exercise make the heart beat faster and the lungs work This strengthens the heart， reduces the chance of heart attack， and helps lower blood That's why more and more people are becoming active in various kinds of sports and Every morning many people get up early and take much Some practice shadowboxing and swordplay while others run， jog， walk or dance to In the afternoon，there are also many people keen on Some play basketball or volleyball or table tennis， others go in for gymnastics or track Through sports and exercise， people become healthier and Medical researchers have proved that what people eat affects their They advise people to eat more fruit and vegetables and less meat such as beef and pork because meat contains more fat than poultry and Fat can build up in the arteries， block the flow of blood， and cause a heart attack or Getting rid of bad habits like smoking and drinking alcohol is also an important way to keep Smoking and drinking alcohol injure one's health a great deal， and therefore should be given Unfortunately few people follow this If people follow these three ways of keeping fit， they greatly improve their
Protection of the Environment Once man did not have to think about the protection of his There were few people on the earth， and natural resources seemed to be Today things are The world has become too We are using up our natural resources，and polluting our environment with dangerous If we continue to do this， human life on earth will not We realize that if too many fish are taken from the sea， there will soon be none Yet，with modern fishing methods， more and more fish are We know that if too many trees are cut down， forests will Yet， we continue to use powerful machines to cut down more and more We see that if rivers are polluted with waste products， we will Yet， waste products are still put into We know that if the population continues to rise at the present rate， in a few years， there won’t be enough What can we do to solve these problems? If we eat more vegetables and less meat， there will be more food Land for crops feeds five times more people than land where animals are Our natural resources will last longer if we learn to recycie The world population will not rise so quickly if people use modern methods of birth Finally， if we educate people to think about the problems we shall have a better and cleaner planet in the
