通信管道按期材料的内容可分为（）A、水泥管道 B、塑料管道 C、钢管管道 D、木材管道

                                                   My room
      This is my room. There is a 1. b__________, a 2. d__________,
a 3. c__________ and a 4. s__________. There are many books on the
shelf. The trash bin is near the desk.
5. _________________________________ (床上面有一幅画。)
6_________________________________ (床帘是绿色的。)
7. _________________________________ (桌子上有一个书包，
一个文具盒和一个台灯。) 8. _________________________________
(桌子下面有一张椅子。) My room is beautiful! I like it very much!
Can you tell me what's your room like?