Origami（日式手折纸）isthetraditionalJapaneseartofpaperfolding，whichstartedinthe17thcentury．Ithasd（81）___intoamodernartformsincethen．Thegoalofthisartistotransformaflatsheetofpaperintovariousthings

　　Origami （日式手折纸） is the traditional Japanese art of paper folding，which started in the 17th century．It has d（81）___into a modern art form since then．The goal of this art is to transform a flat sheet of paper into various things t（82）___folding techniques．In general，origami begins with a square sheet of paper whose sides may be different colors or prints．Many people enjoy making origami flowers，animals，or toys．For all of these things，there are a few kinds of folds that you need to use．For example，sometimes you need to fold the paper in h（83）___．Another common way is to fold the paper from corner to corner，or you may need to fold the tips of each corner．If you follow the directions carefully，you can create a beautiful．paper flower，animal，or toy．But origami is much more than folding paper．It is a reflection （反映） of nature and Japanese life．That is why the most popular origami shapes are things like animals．Birds，fish，flowers，and stars are all popular shapes．The best known origami m（84）___is probably the Japanesepapercrane（纸鹤）．The crane is auspicious（吉祥的）in the Japanese culture．Legend （传说） says that anyone who folds one thousand paper cranes will have their heart's desire come true．The origami crane has become a symbol of peace because of this legend．

　　Origami is also good for your mind．It is a peaceful activity that can relax the mind and body．People who do origami like the activity as much as the art．They like it because origami demands a lot of attention．When people think hard about c（85）___something，they forget about their problems．This allows them to calm down．Origami is also good for teaching children．Origami has many steps．Children must follow these steps c（86）___．They may learn something about maths．For example，origami has squares，rectangles（长方形），and triangles （三角形）．These shapes are important in maths．Origami helps children get f（87）___with these shapes．

　　Maybe you can try to do origami yourself You only need some paper and a book of instruct