题目内容
We often hear the saying,“You’ve a greater chance of being struck by lightning than…”It is used to describe something that hasn't got much chance of happening. However. this common saying undermines(削弱)the very real danger of lightning
Last Friday,at least five people were killed by lightning in Nepal
Lightning strikes are the second most common cause of deaths among natural disasters in the
Because lightning kills only one or two people at a time. its danger does not receive a8 much attention as other disasters
To raise awareness(意识)of the damage of lightning the US has made June 22―28 National Lightning Safety Week It aims to warn the public of the dangers of lighting and provide safety tips about what to do during thunderstorms
“If you can hear thunder(雷),you are in danger of being struck by lightning,”said Rocky Lopes,a disaster educator at the American Red Cross
“Thunder means that lighting is close enough to hit you at any minute. so you should move indoors immediately and stay there until the storm has ended The single most important thing to remember is to find a hiding place,”Lopes said
Summer is the time for most lighting storms,so when lightning strikes across the sky,remember these safety tips:Stop working,fishing,swimming or playing in an open al-ea
If you count less than ten seconds between the thunder and the lighting flash. take cover inside the nearest building. If that is not possible. follow these instruments.
Do not stand under a tree
Do not use a mobile phone
Get off bicycles or motorcycles.
Crouch(蹲下) down if there is no hiding place.
46 The popular opinion about being struck by lightning is that .
A there is a great chance of being killed by lightning than by any other natural disaster
B it is the most dangerous among all the natural disasters
C the chance that a person to be struck by lightning is very small
D it is impossible for people to be killed by lighting
47 On average,about of people struck by lighting die as a result
A 18. 5% B 50% C 30% D 73%
48 Among all the safety tips,the most important one is that when you ate outside and hear thunder you should
A. stand beside your bicycle or motorcycle B. quickly find a place to hide
C count ten seconds between the thunder and the lightning
D. don’t use a hair drier
49 During thunderstorms,you should not
A. enter a place to hide B turn off the TV
C close your window D use your mobile phone
50 According to the article,what does June 22-28 National Lighting Safety Week refer to?
A There is one week free from work
B There ale some warnings shown
C The public ale provided with safety tips about lightning
D During the week in the US,lightning happens certainly.
C A B D C