阅读下面材料，在空白处填入适当的内容（限填1个单词）或括号内单词的正确形式。

    A man looking at his smartphone while walking across a railway crossing in Nanjing ____ (have) a close knock on Oct 22. He was so ____ (absorb) in his smartphone that he didn't see a train approaching until it brushed past him, ____ (throw) him to the ground. This should serve ____ a warning that people should be aware of their surroundings, especially ____ crossing roads.

    ____ (lucky), the man survived, but the incident forced the driver ____ (stop) the train. An l8-minute delay followed the incident, ____ led to a break in the running of other trains on the route.

    The Smartphone ____ (addict) has spread like an infectious（传染的）disease. It's evident that it will do great harm to society. What's even ____ (bad), some addicts become impatient with relatives and friends.

    Some people blame the smartphone for the sad story, yet in fact people's weakening self-control and self-discipline are to blame.