If you have dinner with people in the west, I think you must pay more attention to the table manners. Here are some good table manners for you.
    When you eat something, try not to make a noise or burp (打嗝) at the table. Because people think that is not polite. People will say “Excuse me” when they want to burp.
    Talking with food in the mouth is very rude. So you must eat the food quietly and slowly. If you eat too fast, people think you are rude too. Do not talk with others when you have food in your mouth.
    It is good to eat all the food on your plate. This means you like the food very much. Remember to say the food is nice. And this can make the host very happy. When you finish eating, you can place your knife and fork together.

敦煌曲子词中有这样的词句：“满眼风波多闪灼，看山恰似走来迎，仔细看山山不动，是船行。”其中“看山恰似走来迎”和“是船行”所选的参照物分别是（      ）

有人说：“1901年，中国陷入无尽的黑暗中；1911年，一道闪电划过，却黑暗依旧；1921年，中国终于迎来了曙光。”下列对于“1921年，中国终于迎来了曙光”所指历史事件，表述正确的是（　　）