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考研英语复习资料:考研真题长难句解析(74)

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考研英语复习资料免费下载:历年考研英语真题长难句解析

   1. The behavioral sciences have been slow to change partly because the explanatory items often seem to be directly observed and partly because other kinds of explanations have been hard to find.

   【译文】 行为科学之所以发展缓慢,部分原因是用来解释行为的依据似乎往往是直接观察到的,部分原因是其他的解释方式一直难以找到。
   【析句】 本句的主干为The behavioral sciences have been slow to change,后面是两个表示原因的从句,一个是partly because the explanatory items often seem to be directly observed,一个是partly because other kinds of explanations have been hard to find。
   【讲词】 slow to change表示变化的速度慢。explanatory items表示“可作解释的东西”,即译成“可作解释的依据”。

   2. The role of natural selection in evolution was formulated only a little more than a hundred years ago,and the selective role of the environment in shaping and maintaining the behavior of the individual is only beginning to be recognized and studied.

   【译文】 自然选择在进化中的作用仅在一百多年前才得以阐明,而环境在塑造和保持个体行为时的选择作用则刚刚开始被认识和研究。
   【析句】 本句由两个并列分句组成,一个是The role of…years ago,一个是the selective role of… and studied。
   【讲词】 natural selection(自然选择或自然竞择)是进化论(evolution)的一个重要概念。进化论可用evolution来表示,也可说the theory of evolution。evolution的动词形式是evolve,意为“发展,(使)进展,(使)进化”。The British political system has evolved over several centuries.(英国的政治制度是经过几个世纪逐步发展而成的。)The developmental history of the society tells us that man has evolved from the ape.(社会发展史告诉我们人是从类人猿进化来的。)Within months,however,the virus had evolved into a huge risk to human health,causing severe respiratory illness in around 70% of those it encountered.(然而,在几个月之内,病毒竟然对人类的健康构成了巨大的威胁,感染的人大约70%患有严重的呼吸疾病。)

   考研英语复习资料免费下载:历年考研英语真题长难句解析
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