| 1 | This instrument has high precision and can measure to the micron level. | |
| 2 | The administrative divisions of the country are divided into three levels: provincial, municipal and county. | |
| 3 | We need to have a high-level talk on this issue. | |
| 4 | We need to prepare more challenging textbooks for students at this level. | |
| 5 | The subject matter is too broad and requires doctoral-level professionals to conduct research. |