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In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produc
Telecommuting-- substituting the computer for the trip to the job ----has been hailed as a solution to all kinds of problems related to office work. For workers it promises freedom from the office, le
The ancestry of the piano can be traced to the early keyboard instruments of the fifteenth and sixteenth centuries --- the spinet, the dulcimer, and the virginal. In the seventeenth century the organ,
Although Henry Ford’s name is closely associated with the concept of mass production, he should receive equal credit for introducing labor practices as early as 1913 that would be considered advance
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 lazi
Before the 1850’s, the United States had a number of small colleges, most of them dating from colonial days. They were small, church connected institutions whose primary concern was to shape the mor
The preservation of embryos and juveniles is a rate occurrence in the fossil record. The tiny, delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be foss
Andrew Carnegie, known as the King of Steel, built the steel industry in the United States, and , in the process, became one of the wealthiest men in America. His success resulted in part from his abi
Archaeology is a source of history, not just a bumble auxiliary discipline. Archaeological data are historical documents in their own right, not mere illustrations to written texts, Just as much as an
Prices determine how resources are to be used. They are also the means by which products and services that are in limited supply are rationed among buyers. The price system of the United States is a c
我们都知道托福考试的听力和阅读部分是有加试的。对于阅读来说就是在3篇阅读题的基础上再多做一篇阅读,阅读考试时间也是由60分钟增加到80分钟。总体来说,听力部分遇见加试的可能性远
二、 篇章 篇章是比句段落更大的语言单位。它研究语篇中的句子排列、衔接和连贯,研究语篇的生成。我国对于篇章的研究由来已久,但多注重篇章结构分析,注重篇章修辞分析,且篇章只指
如果说有什么方法可以提高雅思写作成绩,从根本上提高的唯一办法就是转变思维方式,也就是把中式思维向英式思维靠拢,只有这样才能符合雅思考官的喜好,才能得高分。本文将具体介绍
托福阅读复习四重点:单词句子段落篇章 托福阅读得分容易,得高分难,那么该如何提高自己的托福阅读分数,直至满分呢?下面小编为大家介绍托福阅读复习时要注意的四点把握,希望给大
要顺利的通过新四级,阅读能力可说是重中之中,而篇章词汇阅读更是一大难点。它要求我们了解所给出词汇的意思,词性,相关词组,短语,固定搭配等;还有句子结构,通过上下文来进行
如果说有什么方法可以提高雅思写作成绩,我想从根本上提高的唯一办法就是转变思维方式,也就是把中式思维向英式思维靠拢,只有这样才能符合雅思考官的喜好,才能得高分。本文中,将