根据短文内容回答问题。

　　The United States if full of cars．There are still many families without cars, but some families have two or more．However, cars are used not only for pleasure．They are a necessary part of everyday life．

　　Cars are used for business．They are driven to offices and factories by workers who have no other way to get to their jobs．When salesmen are sent to different parts of the city, they have to drive in order to carry their products．Farmers have to drive into the city in order to get supplies(供应品)．

　　Sometimes small children must be driven to school．In some cities school buses are used only when children live more than a mile away from the school．When the children are too young to walk too far, their mothers take turns driving them to school．One mother drives on Mondays taking her own children and the neighbors' children as well．Another mother drives on Tuesday, another on Wednesday, and so on．This is called forming a car pool．Men also form car pool, with three or four men taking turns driving to the place where they all work．More car pools should be formed in order to put fewer cars on the road and use less gas．Too many cars are being driven．Something will have to be done about the use of cars．

1．Are cars only used for pleasure?

_______________________

2．Why do some workers drive to offices or factories?

_______________________

3．Does Jill need to take the school bus if she lives one kilometer from school?

_______________________

4．Do men form car pools to drive to the workplace or to drive their children to school?

_______________________

5．Why do people form car pools?

_______________________