| 1 | The students have different levels of proficiency in Chinese. | |
| 2 | The quality of these personal homepages vary greatly. | |
| 3 | But the advances "remain uneven", the report says. | |
| 4 | The uneven quality of China' s colleges presents one problem. | |
| 5 | The number of medical graduates being produced in Africa remains inadequate, and the quality of education is uneven. |