D Read and choose
Miss Li: Let's talk about bike safety today. How can we keep safe?
Su Hai: We should always wear helmets. They can protect (保护) our heads.
Miss Li: Very good!
Liu Tao: We should find a safe place to ride a bike. We shouldn't ride on the road. It's not safe.
Wang Bing: We can ride in a park or a playground.
Miss Li: Great! Anything else?
Yang Ling: We should keep to the right.
Miss Li: That's right. And you should always warm up first. Don't hurt yourselves.
Students: Yes, Miss Li.
() 1 They are talking about safety.
a road b bike c sport
() 2 The underlined word "helmet" means .
a c
() 3 Which place is safe for Liu Tao to ride a bike?
a c
() 4 According to Miss Li, students should first.
a protect their heads b ride on the right side
c warm up

1 b 2 c 3 b 4 c

1. 对话开头Miss Li就点明今天要讨论bike safety，可知他们谈论的是自行车安全，选b。
2. 文中说明helmet可以保护我们的头部，a是普通鸭舌帽、b是手套，只有c图的骑行头盔符合“保护头部”的功能，选c。
3. 对话提到不应该在马路上骑车，可以在公园或者操场骑行，a是有车辆的马路路口、c是商场室内走廊，只有b是公园，属于安全的骑行地点，选b。
4. 文中Miss Li明确提到"And you should always warm up first."，可知学生首先要做的是热身，选c。