1. (2018·包头) 听材料，回答问题。

Good morning everyone.<br />Today I'd like to say something about bicycle tours.<br />Well, for anyone who is considering going on a tour by bike, the first thing to think about is safety.<br />It's very important to consider what you wear.<br />You know many accidents happen just because drivers fail to see you.<br />So, wear something that can easily be seen, yellow or red jackets for example.<br />Second, don't try to ride too far or too fast.<br />Take your time and if you feel tired, stop and have a rest.<br />Remember, the pleasure of your tour is the riding itself.<br />You can get close to nature and see things you can't usually see in a tour by car or by train.<br />And, if you are planning your journey in summer, take plenty of water.<br />In winter, make sure you take some warm clothes and put them on when you stop riding.<br />It is very easy to catch a cold after a long time of riding.<br />Good morning everyone.<br />Today I'd like to say something about bicycle tours.<br />Well, for anyone who is considering going on a tour by bike, the first thing to think about is safety.<br />It's very important to consider what you wear.<br />You know many accidents happen just because drivers fail to see you.<br />So, wear something that can easily be seen, yellow or red jackets for example.<br />Second, don't try to ride too far or too fast.<br />Take your time and if you feel tired, stop and have a rest.<br />Remember, the pleasure of your tour is the riding itself.<br />You can get close to nature and see things you can't usually see in a tour by car or by train.<br />And, if you are planning your journey in summer, take plenty of water.<br />In winter, make sure you take some warm clothes and put them on when you stop riding.<br />It is very easy to catch a cold after a long time of riding.

1. （1） Why does the speaker give the talk?

   A . To tell what to take for bicycle tours. B . To give some advice on bicycle tours. C . To explain the advantages of bicycle tours.
3. （2） What is the most important thing for bicycle tours?

   A . Water. B . Clothes. C . Safety.
5. （3） What must a person do if he is going to travel by bike in winter?

   A . Take plenty of water. B . Take some warm clothes. C . Take some medicine.