关于副词 (Effectively)it (effectively)spread the disease all over the continent and (drastically )reduced (drastically)the rabbit population (drastically)它有效的在整个大陆扩散了病毒,结果兔子的数量大为减少. 我们可以看到这里的副词effectively、drastically 修饰动词的位置比较灵活,可置于动词前,也可置之后或者放在整个句子之前或末尾