题目内容：

    自我保护是青少年需要具备的一种意识和能力。本周学校开展了以“加强自我保护意识”为主题的安全教育活动。活动内容主要包括谨慎交友、遇险求救、饮食健康安全、避免踩踏等。下面是某英语社团小记者编写的相关报道，请你将其补充完整，每空一词。

How Can We Protect Ourselves

Self-protection is one of the most important skills for teenagers. But how can we protect ourselves? Here are some of my 1..

First, we should be careful when we make friends, especially on line. Second. if we are 2. danger, we must call the police for help in time so that we can keep ourselves safe. Also, we ought to eat 3. and safely. Besides, we shouldn’t crowd each other 4. we go upstairs or downstairs at school. Summer is coming, we must remember it’s dangerous to swim alone.

In short everyone needs to learn how to protect ourselves and 5. away from danger.