| 1 | The story of Franklin's kite is known everywhere. | |
| 2 | Jingdezhen porcelain, made with a unique technique, is well-known far and near as a superfine product. | |
| 3 | You can stare, for example, at the famous, now empty, prison of Alcatraz. | |
| 4 | Upon seeing Confucius, he said, "You are well-known for your willingness to learn, and that's quite beyond me." | |
| 5 | F. Klein and D. Hilbert are great masters of mathematics who have devoted themselves to modern mathematics development. |