age in Scotland fell sharply from 9,000 in 1960 to 3,000 in 1970, and continued to decline at a slow rate until around 2,000 in 1985. From 1985 there was a gradual increase in the number of marriages which then leveled off at 3,500 in 1994.Р7Р线型作文三要素Р趋势Р数据Р时间Рv+adv或adj+n Рprep РtenseР8Р句式变换РThe number of marriage in Scotland fell sharply. ?There be句型: ?There is a falling trend in the number of…?横坐标做主语: ?The period from 1960-1970 saw a drop for the number of registered marriage in Scotland. ?纵坐标做主语: ?The figure of marriage dropped for the period from 1960-1970.?地点做主语:?Scotland experienced a decline in the number of registered marriage.?趋势做主语:?A very noticeable trend for the registered marriage was a dramatical drop during 1960-1970.Р9Р不符合要求的写法Р(1)只罗列数据?(2)不总结趋势?(3)不写特征数据?(4)妄自揣测推论数据背后的原因Р10