6. You must stay away from this deep river because it is very dangerous to swim in it.
6. 你必須遠離這條深河,因為在里面游泳很危險。
7. The modern world is still influenced by Confucius's ideas.
7. 現(xiàn)代世界仍然受到孔子思想的影響。
8. The best way to keep healthy is to exercise more.
8. 保持健康的最好方法是多運動。
And I think running is a good choice.
我認為跑步是個不錯的選擇。