smile 600字高中英语作文

　　Smile is a bridge of communication; A smile is the thin line of distance between people.

　　A smile is a simple facial expressions, but also contains the meaning of countless.

　　When you are in the cold winter, the friend a smile will make your body and mind will become warm rise; When you are in the game, the friend of a smile will make you full of power; When you meet with difficulties, a friend of a smile will make you all difficulties solved... This yes we feel the world is beautiful. "Friends go life, those days there will be no..." In one's life, friends are important, but the friend of a eager smile is more important. No smile of the world is gray, gray is a kind of hazy feeling, but a smile of the world is colorful, colorful world makes people feel every day is good.

　　On one occasion, may be I said anything wrong words make me good friend feel sad for many years, or what? At that night, she sat next to me, I have a terrible feeling suddenly welled up in my mind, my good friend, why would you let me feel so strange? I have a, the two of us more and more distant from the distance. At this point, I feel very sad. But, after a while, I looked at her, and she looked at me, her only a smile makes me just feel suddenly disappeared, I felt so happy at this time.

　　So I say a smile is a bridge of communication; A smile is the thin line of interpersonal distance closer.

The spell of limit biological grew up

　　In earth's biosphere, only two kinds, the largest animal on land is the elephant, the sea is the whale; Level of animals, the ocean there are sharks, dolphins, seals and walrus, land have horses, cattle, donkeys, tigers and lions, etc.; Smaller animals, land such as Wolf and fox, rabbit, chicken, sea turtles, fish, crab, shrimp, etc. So on, from large animals to animals, the smaller the inpidual, the more species. A plant. Thus, earth's biosphere has two according to the inpidual species, how many pile up to the size of the "biological pyramid", is inversely proportional to the biological inpidual dimensions and between species, the greater the inpidual species, survival is difficult, the greater the number the less natural.

　　At the same time, back to nature all species under the "curse" : each species can't want how much! Such as the highest eucalyptus trees, there is no more than 160 meters.

　　Why all life on earth is subject to the "curse"? Scientists, the land and sea, the difference of two "biological pyramid" itself provides us with the answer: such as the blue whale is the biggest animal in the ocean, can grow to 3 l, m, and the largest land animal is the elephant, and only 10 meters, big proportion of the size of the former and the latter is almost 3:1. Look at the area of the ocean and land, the ratio between them is about 3:1. Creatures living space determines the size of the creatures.