题目内容：

根据短文内容及所给提示，在文中的空白处填写一个正确的单词。

Can you climb trees? Maybe your parents ever told you, “Don't climb trees. It's 1. (danger)．” But Xiamen University is going to have a new class: Tree-climbing.

Zhu Chongshi, the president of Xiamen University, once visited Cornell University in New York, and he was surprised2. the course there.

In Tree­climbing class, the teachers do not just let the students3. only with their hands. They teach the 4. (safe) skills like those used in rock-climbing. Students wear special caps and clothes to protect  5. (them). And they use ropes so that they can't fall 6.  and get hurt. The class is very useful. Students are 7.  (encourage) to learn the skills, like swimming in and after class by the teacher. In a time of disaster such as floods, earthquake, etc., such knowledge may make a 8.  (different) between life and death.

No classroom subject could ever give them these skills. Students should find and develop their own inborn(与生俱来的) skills and talents. An allknowing teacher should no longer see the child as an empty cup and only pour knowledge 9.  (direct) into it.

I 10.  climbing trees will arouse(激发) up the potential(潜能) in many students.