学进去

根据短文内容判断下列句子正(T)误(F)。
Riding a bike is really exciting. Biking (骑单车) is fun and good exercise. It is good for our health. And bikes are small, cheap, and easy to park. You can go out to play with your friends.
But before you go, learn some tips about bikes:
● First, if you’re under 12 years old, you mustn’t ride a bike.
● You should ride a bike just right for you. Riding a too big bike is not safe.
● Bikes can break down (出故障). You should learn to look after your bike.
● You should wear bright colours over your clothes, so the drivers can see you easily.
● Riding a bike can be dangerous. You must wear a helmet (头盔) to protect your head.
● You should keep yourself safe when you are riding a bike. You should be careful the entire (全部的) time.
1．Bikes are small, and they’re easy to park. (      )
2．Riding a too big bike on the road is safe for you. (      )
3．When you ride bikes, you should wear a helmet to protect your head. (      )
4．Xiao Ming is ten years old. He can go to school by bike. (      )
5．Bikes can never break down. (      )