1. 用方框中所给单词或短语的适当形式填空，每个单词或短语仅用一次。

climb   take risks   importance   get off   control

1. （1） Wang Pingthe bus and asked the woman what happened.
3. （2） As a mountain climber, Aron is used to.
5. （3） The traffic lights areby a central computer.
7. （4） Aron did not give up after the accident and keeps on mountains today.
9. （5） It'sfor us to speak English as much as possible.