阅读理解，阅读下面的短文，然后根据短文内容选择最佳答案。

　　Earthquakes happen without warning(前兆)．They can happen any time of a day，at any point during the year．When an earthquake is happening, you should know what you should do or not do．

　　Do NOT go outside．You could get injured from falling glass or parts of buildings．If you are outside，stay away from buildings and power lines(输电线)．

　　Stay under a desk，table，or other strong furniture．Hold on to it．Or stay in a corner of the building．Cover your face and head with your arms and cover your mouth with a towel or clothing．Stay inside until shaking stops and it is safe to go outside．

　　Keep away from windows，pictures or advertisements on the wall or the building，and anything else that could fall and hurt you．Most people get injured by falling things during an earthquake，not by the shaking itself．

　　Also keep away from a fire．You could fall down and burn yourself on the fire．

　　If you are driving when an earthquake happens，stop the car if it's safe．Stay inside your car until the earthquake stops，and don't drive near bridges．Try not to stop by power lines or trees．These could fall and hurt you．

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阅读理解

　　Earthquakes happen without warning(前兆)．They can happen any time of a day, at any point during the year．But don’t worry because most are so weak that they cannot be felt．Only a few big ones hurt people．However, it’s important to know what to do when an earthquake is happening．

　　Do NOT go outside．You could get injured from falling glass or parts of buildings．If you are outside, stay away from buildings and power lines(输电线)．

　　Stay under a desk, table, or other strong furniture．Hold on to it．Or stay in a corner of the building．Cover your face and head with your arms and cover your mouth with a towel or clothing．Stay inside until shaking stops and it is safe to go outside．

　　Keep away from windows, pictures or advertisements on the wall or the building, and anything else that could fall and hurt you．Most people get injured by falling things during an earthquake, not by the shaking itself．

　　Also keep away from a fire．You could fall down and burn yourself on the fire．

　　If you are driving when an earthquake happens, stop the car if it’s safe．Stay inside your car until the earthquake stops, and don’t drive near bridges．Try not to stop by power lines or trees．These could fall and hurt you．

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阅读理解

　　We all know the dangers of fires．It’s good and necessary for a family to learn how to prepare for a fire．Here are some suggestions．

　　Put a smoke alarm(火警)in the house．Smoke from a fire causes the alarm to go off．The alarm makes a loud sound．The sound tells everyone to leave the house at once．

　　Make escape(逃脱)plans．We should know all the ways out of the house．If there is a fire, everyone follows the plan to get out．Part of the plan is to check all the windows to make sure they can be opened easily．

　　Buy fire extinguishers(灭火器)in the house．Everyone in the family should know how to use them．

　　Practise for a fire．We do fire practice because we teach children about fire safety．Everyone in the family should know the following fire rules：

　　Don’t open a hot door! The fire can grow more quickly if you open the door．

　　Stay close to the floor! Smoke can be more dangerous than fire．The best air is near the floor because smoke rises．

　　What will you do if your hair or clothes start to burn? First, stop! Don’t run! The fire burns faster because of more air．Drop! Fall to the floor．Then roll! Turning over and over will make the fire go out．Put a blanket(毯子)around you to keep air away from the fire that may still be on you．

　　There are many possible causes for fires．A wise family is ready all the time．If there is a fire, don’t forget to call 119 for help．

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