Lighting strikes are the second most common(普通）cause of death of all natural disasters in America．The first is floods．
Because lighting kills only one or two people at a time , people don’t think it was as dangerous as other disasters．The US wants more people to learn about lighting．It makes June 22-28 National Lighting Safety Week．It also provides safety tips during the thunderstorms．
“If you hear thunder , you are in danger from lighting ,” said Rocky Lopes , a disaster worker． “Thunder means that lightning is close enough to hit you at any minute , so you should move indoors at once and stay there until the storm is over．This is the most important thing to remember ,” Lopes said．And he also gives us some advice on safety :
Stop working , fishing , swimming or playing in the open air．
Don’t stand under the tree．
Keep down if there is no cover．
Of all the natural disasters , __________ are the most common cause of deaths in the US．

A．earthquakes	B．floods
C．fighting strikes	D．Sandstorms

When there is lighting, the most important thing is to ____________．

A．keep down	B．stop working
C．find cover	D．run away quickly

We may find this article ____________．

A．in the newspaper	B．in a storybook
C．in a magazine	D．in a guide book