Question

Jason Queally is one of the fastest men in the world on a bicycle.Jason’s human-powered（人力的）machine , with its two wheels , is a kind of bicycle.

Every year , a very important human-powered bicycle race is held in Nevada,USA . The distance of the race is only 200 meters . Jason Queally’s fastest speed for the race was 103.5 kilometers an hour .

At this year’s race , Jason failed to reach the finishing line . He was speeding along at about seventy kilometers an hour when he began to lose control of his bike . When he tried to slow down ，his bike began to smoke . Soon the inside of his bike was filled with smoke . He couldn ' t see , and he couldn ' t breathe . At seventy kilometers an hour , a crash（碰撞）could be very serious . Jason was frightened , but he managed to stop the bike safely . He would repair his bicycle and try again to be the world’s fastest man on a bike next time .

Maybe you’re surprised that these bikes go so quickly , but is it useful ? It could be . Cars are becoming more and more popular , and they are very safe , comfonable and easy to drive , but they also pollute the air in our cities . Scientists and engineers are learning from fast racing bikes how to make humanpowered vehicles（交通工具）that might be useful for daily travel !

1 . How often is the human powered bicycle race held in Nevada ?

2 . Did Jason stop his bicycle safely ?

3 . Why did he lose this year ' s race ?

4 .将划线部分译成汉语。

5 . What ' s the best vehicle for daily travel like according to the writer ?

Answer 1

1. Every year. 2.Yes,he did. 3.Because something was wrong with his bike . / Because there was someing wrong with his bike. 4.当他试图慢下来时,他的自行车开始冒烟了。5. It is fast,safe,comfortable and human-powered.