| 1 | Correct ideas come from social practice. | |
| 2 | This is a social experiment on an unprecedented scale. | |
| 3 | Ben. Get up quickly, and this is your first day of social practice. You can not be late. | |
| 4 | Therefore, we should try to balance relationship between social practice and study. | |
| 5 | Oh, I have prepared the social practice for a long time, so I am still very confident, and mom do not worry. |