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雅思阅读考试一篇文章是多少字数

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2018-06-12 13:37

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  大家都说做雅思阅读速度要快,是因为雅思阅读的词汇量很多,那么到底有多少呢?下面就和出国留学网的小编来看看雅思阅读考试一篇文章是多少字数?

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  雅思考试阅读文章一篇的字数的多少?

  雅思阅读每篇文章大概是9000-1200字之间。我们来看一篇原文找找感觉。

  Test1 Passage1

  William Henry Perkin-The man who invented synthetic dyes

  William Henry Perkin was born on March 12,1838,in London, a boy,Perkin’s curiosity prompted early interests in the arts,sciences,photography,and  it was a chance stumbling upon a run-down,yet functional,laboratory in his late grandfather’s home that solidified the young man’s enthusiasm for  a student at the City of London School,Perkin became immersed in the study of  talent and devotion to the subject were perceived by his teacher,Thomas Hall,who encouraged him to attend a series of lectures given by the eminent scientists Michael Faraday at the Royal e speeches fired the young chemist’s enthusiasm further,and he later went on to attend the Royal College of Chemistry,which he succeeded in entering in 1853,at the age of  the time of Perkin’s enrollment,the Royal College of Chemistry was headed by the noted  German chemist August in’s scientific gifts soon caught Hofmann’s attention and,within two years,he became Hofmann’s youngest  long after that,Perkin made the scientific break through that would bring him both fame and  the time,quinine was the only viable medical treatment for  drug is derived from the bark of the cinchona tree,native to South America,and by1856 demand for the drug was surpassing the available ,when Hofmannmadesome passing comments about the desirability of a synthetic substitute for quinine,it was unsurprising that his star pupil was moved to take up the ng his vacation in 1856,Perkin spent his time in the laboratory on the top floor of his family’s  was attempting to manufacture quinine from aniline,an inexpensive and readily available coaltar waste ite his best efforts,however,he did not end up with ead,he produced a mysterious dark ily,Perkin’s scientific training and nature prompted him to investigate the substance rporating potassium dichromate and alcohol into the aniline at various stages of the experimental process,he finally produced a deeppurple ,proving the truth of the famous scientist LouisPasteur’s words“chance favors only the prepared mind”,Perkin saw the potential of his unexpected orically,textile dyes were made from such naturalsources as plants and animal  of these,such as the gland ularmucus of snails,were difficult to obtain and outrageously ed,the purple color extracted from a snail was once so costly that in society at the time only the rich could afford her,natural dyes tended to be muddy in hue and fade  was against this backdrop that Perkin’s discovery was in quickly grasped that his purple solution could be used to color fabric,thus making it the world’s first synthetic izing the importance of this breakthrough,he lost no time in patenting  perhaps the most fascinating of all Perkin’s reactions to his find was his nearly instant recognition that the new dye had commercial in originally named his dye Tyrian Purple,but it later became commonly known as mauve(from the French for the plant used to make the color violet) asked advice of Scottish dye works owner Robert Pullar,who assured him that manufacturing the dye would be well worth if the color remained fast(d not fade)and the cost was relatively ,over the fierce objections of his mentor Hofmann,he left college to give birth to the modern chemical  the help of his father and brother,Perkin setup a factory not far from izing the cheap and plentiful coaltar that was an almost unlimited byproduct of London’s gas street lighting,the dye works began producing the world’s first synthetically dyed material in  company received a commercial boost from the Empress Eugenie of France,when she decided the new color flattered  soon,mauve was the necessary shade for all the fashionable ladies in that  to be outdone,England’s Queen Victoria also appeared in public wearing a mauve gown,thus making it all the rage in England as  dye was bold and fast,and the public clamored for in went back to the drawing ough Perkin’s fame was achieved and fortune assured by his first discovery,the chemist continued his g other dyes he developed and introduced were aniline red(1859)and aniline black(1863)and,in the late 1860s,Perkin’s  is important to note that perkin’s synthetic dye discoveries had outcomes far beyond the merely  dyes also became vital to medical research in many  instance,they were used to stain previously invisible microbes and bacteria,allowing researchers to identify such bacilli as tuberculosis,cholera,and ficial dyes continue to play a crucial role ,in what would have been particularly pleasing to Perkin,the ircurrent use is in the search for avaccine against malaria.

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