写雅思小作文啦！？ It seems that decline obviously reach the proportion of between 2000 and 2007. sharply 是副词。不能放在下降的前边。你们老师应该给你总结如何说上升，下降，趋于平稳，波动等等。倒过来才是正确的：Decreased sharply. 还有，给你补充一下知识：说显著下降的表达方式： 1, Decline obviously 2, Fall steeply 3, Drop markedly 4, Move downward sharply 等等，好多了，穿插着用嘛！
戏说小默
