閱讀短文，判斷下列句子是否正確，用T或F表示。
   Many students go to school by bus，by bike，on foot or in their parents' cars.But I think going to school on foot is the best（最好的） way（方式），Why？
   First，taking a bus is a good way，because it is fast and costs less（成本更?。?But many buses need fuel（燃料），so they bring a lot of pollution（污染）.A car is faster（更快），but it costs too much.We have to spend a lot of money to buy one and cars also bring pollution.And sometimes it is dangerous for young students to ride bikes.
   Second，the street is usually very busy，so driving a car，taking a bus or riding a bike is often slower（更慢） than（比） walking.
   Third，walking is good for our health.
   So，walking is the best way to go to school.
（1）This passage is about"the best way to go to school"．

T

T

（2）Taking a bus costs less．

T

T

（3）Buses and cars bring pollution．

T

T

（4）A car is slower than a bus．

F

F

（5）Riding a bike is the best way to go to school．

F

F

（6）When the street is busy，walking is often faster than driving．

T

T

（7）Walking is good for our health．

T

T