如表是福州至厦门D6201次列车沿途部分站点的到站、发车时刻表．请根据该表回答下列问题：

（1）列车从福州到泉州的平均速度为多少千米每时？

（2）列车在7：55的瞬时速度为多大？

应当毫不犹豫地肯定,党的主流是好的,但是,腐败作为支流问题也不容忽视,如果任凭腐败问题愈演愈烈,最终必然亡党亡国,因此,要坚定不移把党风廉政建设和反腐败斗争引向深入。从哲学上看,把反腐败斗争引向深入的依据是（  ）

短文填空先通读下面的短文，然后根据短文内容和所给首字母，在空格内填入一个适当的词，使短文意思完整。
      American people like to say “Thank you” when others help them or say something kind to them. People of many other countries do so, too. It is a very good habit.
      You should say “Thank you” when someone p____  you the salt on the table, when someone walking before you k____  the door open for you, when someone s____  you have done your work well, or you have b____  a nice thing, or your city is very beautiful. “Thank you”is used not only between friends, but also between parents and children, brother and sisters, husbands and wives.
    “Excuse me”is another s____  sentence they use. When you hear someone say so behind you, you know that someone wants to walk p____ you. It is not polite to b____  others while they are talking. If you want to speak to one of them, say “Excuse me” first, and then begin talking. You should also do so when you want to cough(咳嗽) or make any u____  noise before others.