If you have only three minutes to get something that you can take from your home， and the other thing are lost forever， what will you take？ The following information will help you．

B．O．B．	B．O．B． is short for Bug of Bag（求生背包）． It's a bag with a collection of things that are needed for life in it．
Reasons to use a B．O．B．	When disasters（灾难）like earthquakes and heavy rainstorms happen， many people will have to run away from their homes and they may not return for a long time． They need to continue to live without food， water or a shelter in some unexpected situations．
Things in a B．O．B．	A sleeping bag， or at least a thin quilt． Drinking water． High﹣calorie foods， such as chocolate and biscuits． Necessary medicines． Something for making a fire， and a small pot to boil water or cook． A few basic tools like a knife and some ropes． A flashlight． Money． A copy of all your important papers． （Be sure to make a B．O．B． as light as possible．
Places to keep a B．O．B．	You should put a B．O．B at a place where you can get it convently when disasters happen． Your home， your car， or your office can be a good place to put it．

A B．O．B． is very helpful to the people in need． You'd better prepare more than one B．O．B． if possible． Then think of the difference a B．O．B． will make if those disasters happen． So prepare one now．

根据短文内容，选择最佳答案．

（1）A B．O．B． has a collection of things　　 in it．

A．	for research
B．	for traffic
C．	for life
D．	for study

（2）Many people run away from their homes with a B．O．B． because　　．

A．	they have to same many people's lives
B．	they have no other useful things to take
C．	they will be able to return in a short time
D．	they need to continue to live after disasters happen

（3）People should make a B．O．B． as　　 as they can．

A．	huge
B．	light
C．	common
D．	heavy

（4）People had better NOT put a B．O．B．　．

A．	at home
B．	in the car
C．	at the office
D．	on the road

（5）According to the passage， "　　" is right．

A．	Expensive things should be put in a  B．O． B．safely．
B．	People should take a B．O．B．with them everywhere．
C．	It's better to prepare more than one B．O．B．if possible．
D．	People are advised to put some more clothes in a B．O．B．

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