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石油在今天被人们十分正确地称为“黑色的金子”。这显然说明了石油是极重要的经济和战略物资,如果没有它,工业和运输的存在就成为不可想像的了。石油是飞机、汽车,火车和轮船的燃料的泉源,从它里面可以得到许多性质绝不相同的东西——从药品和染料到炸药、塑料和合成橡胶。所有这些都指出了石油在人类生活中占着怎样重要的地位,并说明了为什么所有国家都特别注意这个最可宝贵的产品。在很古的时候,人类就知道石油。一千年以前,它就
Oil is now quite correctly called “black gold.” This clearly shows that oil is a very important economic and strategic material. Without it, the existence of industry and transportation becomes unimaginable. Oil is a source of fuel for airplanes, cars, trains and ships. From it can be obtained a lot of things of different nature - from drugs and dyes to explosives, plastics and synthetic rubber. All of this points out the important position of oil in human life and explains why all countries pay special attention to this most precious product. In ancient times, humans knew oil. Thousands of years ago, it