CILACAP SECURITY CYBER TEAM
Oil Refining An important new industry, oil refining, grew after the Civil war. Crude oil, or petroleum – a dark, thick ooze from the earth – had been known for hundreds of years, but little use had ever been made of it. In the 1850’s Samuel M. Kier, a manufacturer in western Pennsylvania, began collecting the oil from local seepages and refining it into ke...
新东方优美背诵短文50篇 Unit33:Plankton浮游生物 33 Plankton浮游生物. Scattered through the seas of the world are billions of tons of small plants and animals called plankton. Most of these plants and animals are too small for the human eye to see. They drift about lazily with the currents, providing a basic food for many larger animals. Plankton has been described as the equi...
Tell me not in mournful numbers, Life is but an empty dream! For the soul is dead that slumbers And things are not what they seem.请别用哀伤的诗句对我讲； 人生呵，无非虚梦一场！ 因为沉睡的灵魂如死一般， 事物的表里并不一样。Life is real! Life is earnest! And the grave is not its goal; Dust thou art, to dust returnest, Was not spoken of the soul.人生是实在的！人生是热烈的！ 人...
新东方优美背诵短文50篇 Unit30:The origin of Refrigerators 30 The origin of Refrigerators By the mid-nineteenth century, the term “icebox” had entered the American language, but ice was still only beginning to affect the diet of ordinary citizens in the United States. The ice trade grew with the growth of cities. Ice was used in hotels, taverns, and hospitals, and...
新东方优美背诵短文50篇 Unit42:Coal-fired power plants 42.Coal-fired power plants The invention of the incandescent light bulb by Thomas A. Edison in 1879 created a demand for a cheap, readily available fuel with which to generate large amounts of electric power. Coal seemed to fit the bill, and it fueled the earliest power stations. (which were set up at the end of the ninet...
新东方优美背诵短文50篇 Unit45:The Source of Energe 45.The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun’s very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and heat. This energy is librated at the center of ...
Ronald Reagan: The Space Shuttle “Challenger” Tragedy Address “We’ll continue our quest in space. There will be more shuttle flights…more volunteers, more civilians, more teachers in space.” Ladies and Gentlemen, I’d planned to speak to you tonight to report on the state of the Union, but the events of earlier today have led me to c...
John F. Kennedy: Address to the Greater Houston Ministerial Association delivered 12 September 1960 at the Rice Hotel in Houston, TX Video Stream of Address Audio mp3 of Address Audio mp3 Stream of Address Reverend Meza, Reverend Reck, I’m grateful for your generous invitation to state my views. While the so-called religious issue is necessarily and properly the chief ...