数字(rate, proportion, precentage, number,figure, demography, census, statistics, density, population) 时间(past, future, now, history, long/lengthprocess of, ages, centuries, generation, decade ) 定义(definition, concept, area, inference,demonstration, justify, define)一般在前几段 结果和影响(result, effect, consequence, impact,conclusion)一般在最后几段 按文章顺序,精读每一段的首末句
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数字(rate, proportion, precentage, number,figure, demography, census, statistics, density, population) 时间(past, future, now, history, long/lengthprocess of, ages, centuries, generation, decade ) 定义(definition, concept, area, inference,demonstration, justify, define)一般在前几段 结果和影响(result, effect, consequence, impact,conclusion)一般在最后几段 按文章顺序,精读每一段的首末句