全国大众英语80篇背诵阅读带翻译(七十四) The History of Chemistry Chemistry did not emerge as a science until after the scientific revolution in the seventeenth century and then only rather slowl... / 2010-06-08 / 查看 1103 次

　　把物流师站点加进收躲夹 　　接待进进：2009年物流师课程免费试听 　　更多信息请会面：测验年夜物流师论坛 　　接待免费体验：测验年夜物流师在线测验中央　　2009年上半年国家物流师职业资历统一判定二级和一... / 2010-05-11 / 查看 526 次

全国大众英语80篇背诵阅读带翻译(四十五) 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 cente... / 2010-06-08 / 查看 512 次

全国大众英语80篇背诵阅读带翻译(五十七) Lighthouses The first navigational lights in the New World were probably lanterns hung at harbor entrances. The first lighthouse was put up by the Massachu... / 2010-06-08 / 查看 475 次

全国大众英语80篇背诵阅读带翻译(六十九) The Revolution in American Higher Education To produce the upheaval in the United States that changed and modernized the domain of higher education from th... / 2010-06-08 / 查看 422 次

全国大众英语80篇背诵阅读带翻译(五十三) Nitinol Nitinol is one of the most extraordinary metals to be discovered this century: A IT alloy of nickel and titanium, nitinol has some perplexing prope... / 2010-06-08 / 查看 351 次

全国大众英语80篇背诵阅读带翻译(五十九) Muscles and Human Body It is in the joints of the human body that movements of the bones take place. The movement itself is caused by the pull of sheets a... / 2010-06-08 / 查看 94 次

全国大众英语80篇背诵阅读带翻译(七十三) The Microscopic Technique Each advance in microscopic technique has provided scientists with new perspectives on the function of living organisms and the ... / 2010-06-08 / 查看 19 次

全国大众英语80篇背诵阅读带翻译(六十五) The Early Settlers in North America The North American frontier changed some of the characteristics of the pioneers of the 1750’s and intensified others. ... / 2010-06-08 / 查看 12 次

全国大众英语80篇背诵阅读带翻译(六十八) Women in Colonial North America http://ks.exa mda.com The status of women in colonial North America has been well studied and described and can be briefly... / 2010-06-08 / 查看 10 次