Open、Opened和Close、Closed的用法(急，在线等)

好像有个什么自身可以发出的动作用Open和Close，自身不能发出的动作用Opened和Closed，对吗？我明天英语考试，请大家帮忙啊，谢谢了！！！

opened:

v. 开启(公开,开证)
a. 开的

例句与用法:
1. I reached the gate that opened onto the lake.
我走到临湖而开的那扇门前。

2. Supposing we opened (open) the L/C this afternoon.
我们今天下午就开证吧。

3. The office mail is opened in the morning.
公务信件在早晨开启.

4. The door opened outwards.
这门是朝外开的。

5. The door opened inward into the room.
门是朝房间里面开的。

6. When the play opened, the local press gave it the thumbs down.
这出戏公演时，当地报纸对它评价不佳。

7. She opened her eyes wide in mock disbelief.
她睁大眼睛假装不相信。

8. This lock can only be opened from the inside.
这把锁只能从里面打开。

英英解释:
动词open:

1. cause to open or to become open
同义词：open, open up

2. start to operate or function or cause to start operating or functioning
同义词：open, open up

3. become open
同义词：open, open up

4. begin or set in action, of meetings, speeches, recitals, etc.
同义词：open

5. spread out or open from a closed or folded state
同义词：unfold, spread, spread out, open

6. make available
同义词：open, open up

7. become available
同义词：open, open up

8. have an opening or passage or outlet
同义词：open

9. make the opening move
同义词：open

10. afford access to
同义词：afford, open, give

11. display the contents of a file or start an application as on a computer
同义词：open

形容词opened:

1. used of mouth or eyes
同义词：open

2. made open or clear

3. not sealed or having been unsealed
同义词：open

open可以当动词用，意为“开”，反义词为close,意为"关"
open还可以当形容词用，意为“开着的”，反义词为closed,意为"关着的"
open/close the door.开/关门
the door is open/closed.门是开着的/关着的