10 . It was the sports professionals (专业人员) among bikers, such as mountain bikers, that first used helmets (头盔) when they rode. The UCI-Union Cycliste Internationale, the ruling body of cycling, never required mandatory (强制的) helmet use. 1 . Finally, the sporting world did make it mandatory and this led to a review of the general laws around the world.
2 . It has long been known that a motorcyclist can be killed or have his brain seriously hurt because of a road traffic accident. In the past most people thought that because cyclists were slower on the road there was less risk of being hurt. However, this has been proven to be incorrect, 3 .
4 . In some European countries, cycle helmets have only become mandatory in the last few years. 5 . However, in some countries, there are no laws whatsoever. The United Kingdom, for example, has refused to make any law to make cycle helmets mandatory for fear that a helmet law might discourage people from taking up cycling.
| A．As a result, more and more cyclists are abandoning helmets |
| B．However, as one took the lead, others followed |
| C．so it is mandatory now in many countries for cyclists to wear a helmet |
| D．Australia was the first country to make wearing cycle helmets mandatory |
| E．Not wearing a helmet can cause injuries to cyclists |
| F．In Spain, cyclists have to wear a helmet outside urban (城镇) areas except when going uphill |
| G．Studies show there is a serious connection between cycling accidents and the risk of hurting heads |
