一、根据课文内容，完成思维导图

mermaid
mindmap
root((The home robot))
Reason for buying the robot : Too busy to have any time to relax
Advantages it brought Mr Jiang
Before he went to work
Make (1)
Iron business suits
(2) the lunch box
When he was at work
Do all the (3)
(4) shopping
After he returned home
Make (5) ready
(6) up
The problems it caused
(7) him up at 4 a.m.
(8) food on the bed
Store milk in the rubbish bin
(9) coins, bills and private papers all over
Move too fast and (10) things over
Ending of it : Was returned to the robot shop