1．

　　However，all floods are not alike.Some floods develop slowly，sometimes over a period of days.But flash floods can develop quickly，sometimes in just a few minutes and without any signs of rain.Flash floods often have a dangerous wall of roaring water.It carries rocks and mud and can sweep away most things in its path.Overland flooding occurs outside a river but still can be harmful.Flooding can also occur when a dam breaks，producing effects similar to flash floods.

　　If a flood is likely to occur in your area，you should：

　　Listen to the radio for information.2.

　　Don’t wait for instructions to move.

　　If you have time to prepare，you should：

　　Make your home safe by bringing in outdoor furniture.More essential items to an upper floor.3.

　　Do not touch any electrical equipment if you are wet or standing in water.

　　4．

　　Don’t walk through moving water.Six inches of moving water can make you fall.If you have to walk in water，walk where the water is not moving.Use a stick to check the firmness of the ground in front of you.

　　Don’t drive into flooded areas.If flood water rises around your car，give up the car and move higher ground if you can do so safely.5.

　　The following are guidelines for the period following a flood：

　　Listen to news reports to learn whether the community’s water supply is safe to drink.Stay away from downed power lines，and report them to the power company.

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