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围绕“自然灾害”主题，制作一个安全知识小手册，至少用英文写出六个安全规则，全部使用被动语态。
围绕“自然灾害”主题，制作一个安全知识小手册，至少用英文写出六个安全规则，全部使用被动语态。
答案
参考示例:
1. The door should be kept open during an earthquake.
2. An emergency bag must be prepared in advance before a flood comes.
3. Windows need to be closed and locked tightly when a typhoon is approaching.
4. Wet towels can be used to cover your mouth and nose when a fire breaks out.
5. Mobile phones should not be used outdoors because they may attract lightning.
6. Water and food must be checked carefully after you return home from a disaster.
1. The door should be kept open during an earthquake.
2. An emergency bag must be prepared in advance before a flood comes.
3. Windows need to be closed and locked tightly when a typhoon is approaching.
4. Wet towels can be used to cover your mouth and nose when a fire breaks out.
5. Mobile phones should not be used outdoors because they may attract lightning.
6. Water and food must be checked carefully after you return home from a disaster.
