精品文档---下载后可任意编辑Describing TrendsSales of / Ipod sales / purchase of / consumption of / production of / exports of / imports of / development of / research investment / the quality of / the quantity of / the number of /1
fall/drop / decline steadily / slightly / dramatically / suddenly / noticeably / from almost (nearly)… in January to just … in December2
rise gradually / climb sharply / rise significantly/ exponentially/ go up by varying degrees3
fluctuate wildly / remarkably4
the trend was upward / downward5
fall and then level off / decreased and then level off6
wildly / sharply / dramatically / suddenly / noticeably7
slowly / steadily / gradually / slightly8
were down / up over the year9
The consumption of chocolate fell steadily / there was a steady fall in the consumption of