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问题: 3个英语句子,选择正确答案,为什么?

请分析一下它们的正确答案。
1)_____ some officials, Napoleon inspected his army.
  A. Followed  B. Followed by  C. Being followed  D. Having been followed
答案B.
  2)There was a terrible noise ___ the sudden burst of light.
  A. followed  B. following  C. to be followed  D. being followed
  答案B.
  3)_______, liquids can be changed into gases.
  A. Heating  B. To be heated  C. Heated  D. Heat
答案C.

解答:

1)_____ some officials, Napoleon inspected his army.
  A. Followed  B. Followed by  C. Being followed  D. Having been followed
答案B.
关键是看看主句的主语 和动词之间的关系, 如果是被动,就用P.P--过去分词 这里显然是拿破仑在视察,官员是跟着他的, 所以他是被跟着的。所以用过去分词

  2)There was a terrible noise ___ the sudden burst of light.
  A. followed  B. following  C. to be followed  D. being followed
  答案B.

道理同上。 声音noise 是跟着闪电之后的。也就是说县看到闪电,后听到雷声,分清楚先后就好了
  3)_______, liquids can be changed into gases.
  A. Heating  B. To be heated  C. Heated  D. Heat
答案C.

道理同第一题
liquids 和heat 只见是被动, 被加热 所以用C
B to be heated. 将来的被动,动作还没有发生

你的这三个题的道理都是一个 你体会一下


参考文献: 个人见解