阅读下面短文，根据以下提示：1）汉语提示; 2)首字母提示；3）语境提示，在每个空格内填入一个适当的英语单词。所填单词要求意义准确、拼写正确。

There’s no doubt that the mobile phone plays a vital role in modern life.

It s 小题1:    the distance between people by making it more convenient for us to keep in touch with our friends. However, are you  小题2:  (意识到) that it can also b  小题3:   us embarrassment and trouble? For example, it’s not unusual to notice someone shouting __小题4:____(喧哗吵闹) on the phone in public as if no one else was p  小题5:    . As a matter of fact, everyone has undergone some similar experiences in ____小题6:__ the mobile phone just keeps r 小题7:      over and over again on buses or at the cinema. While there are v  小题8:  reasons for people to have their phones working all the time, it’s bad m 小题9:   to interrupt others. So please shut off your mobile phones _小题10:___ a quiet or serious occasion. It’s a respect for others.

长200m的火车以43.2km/h的速度匀速行驶在京九线上，当它穿越1000m长的隧道时，所需的时间是多少？