初中英语科普文章

我提供的只有书而已，你就买些简单的杂志就好了 上面的还是有点复杂的列 科普的英文杂志很多的

Money Everyone knows money.But how dou you know the historyof money? Money has an insteresting history.People used to①use many kinds of of things as money.Shells were one of the first kind of money,but they were not the only ones that were used as money.In china,knives and cloth were also used as money. The first metal coins②were made in china.They were round with a square③holein the center.Different countries used different metals and designs④for their money. Since it was inconvenient⑤for people to carry coins of metal,again the Chinese people thouht of ways to improve the money.We began to use paper money. Today,most of the money is made of paper. 注: ①used to 过去常常 ②coin 硬币 ③square 正方形的 ④design 图案 ⑤inconvenient 不方便的 音标自己查去 翻译: 人人都知道钱，但是你知道货币的起源吗？ 过去，许多东西都充当过钱。贝壳是第一种被用作钱的东西，但它们并不是唯一的被充当作钱的东西。在中国，小刀和布都曾被当作钱使用。 硬币的使用起源于中国。那是中间有个正方形的孔，外边是圆形的硬币。不同国家的硬币制作材料与图案设计也有所不同。 硬币携带不方便，中国人又首先发明了纸币。今天大多数钱都是用纸做的。 Saving the Earth How to protect the environment has become one of the most serious problems in the world.Rubbish can pollute the envionment and it is harmful to our health.So we should not throw rubbish away.Worse still, some factories put the dirty water into the rivers,lakes and the field,it kills many fish and it does great harm to the grops. I think we should remember that we have only one Earth,we should try our best to protect the environment to make our world more beautiful.. 多 good 谢 支 luck 谢 持 for 了 我 you 哦

Clean EnergyClean energies are forms of energy which do not pollute the air, the ground, or the sea.It includes:Solar power,Wind power,Wave power,Salinity gradient power,Tidal power,Geothermal power etc.Here,I would like to talk about the Wind power.Wind power is the kinetic energy of wind, or the extraction of this energy by wind turbines. This article deals mainly with the intricacies of large-scale deployment of wind turbines to generate electricity.