title: 几个句子的问题1)Thethinoldladydressedin 
desc: 1)The thin old lady dress in black made her 
  way to the plane.
  为什么是dressed,不是dressing?
  2)The airplane went bounding down the field, 
  sailed into the air, and headed for a row of 
  trees.
  "headed for a row of trees"什么意思
  3)Actually one is striking first to gain the 
  advan1)The thin old lady dress in black made her 
  way to the plane.
  为什么是dressed,不是dressing?
  2)The airplane went bounding down the field, 
  sailed into the air, and headed for a row of 
  trees.
  "headed for a row of trees"什么意思
  3)Actually one is striking first to gain the 
  advantage when one finds oneself in disfavor--a 
  means of self-protection in essence.这句句子什么意思
answer: 1 be dressed in 为固定搭配
  2 直冲向，朝向……
  3 实际上，一个人的进行（人身）攻击首先是为了获得一定的好处，当他发现一个自己不喜欢的人的时候——这本质上是一种自我保护