学会自我保护是青少年需要具备的一种意识和能力。请根据以下提示,并结合自己的观点,以 "How Can We Protect Ourselves?" 为题,写一篇不少于80词的短文,谈谈在生活中青少年应该怎样自我保护 (self-protection)。
提示:1. never swim alone;2. be careful to make friends;3. call the police when you are in danger;4. eat healthy food;5. don't crowd (go upstairs and downstairs)