题目内容：

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   1.  (have) a close knock on Oct 22. He was so   2.  (absorb) in his smartphone that he didn’t see a train approaching until it brushed past him,   3. (throw) him to the ground. This should serve 4. a warning that people should be aware of their surroundings, especially   5.  crossing roads.

6. (lucky), the man survived, but the incident forced the driver   7. (stop) the train. An l8-minute delay followed the incident,   8.  led to a break in the running of other trains on the route.

The Smartphone   9.  (addict) has spread like an infectious（传染的）disease. It’s evident that it will do great harm to society. What’s even 10.  (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.