Crying marriage? Surprising, isn't it? Actually, the custom of crying marriage____ (exist) a long time ago in many areas of Southwest China's Sichuan Province, and remained in fashion until the end of the Qing Dynasty. Though not so popular ____before, the custom is still observed by people in many places, especially Tujia people,____ view it as a necessity of the marriage procedure.

    It is very much the same in different____ (place) of the province. According to elderly people, every bride had to cry at the wedding. Otherwise____ bride's neighbors would look down upon her as a ____(poor) educated girl and she would become the laughingstock of the village. In fact, there were cases in which the bride ____ (beat) by her mother for not crying at the wedding ceremony.

    In a word, crying at the wedding is a way to set off the____ (happy) of the wadding through falsely sorrowful words. However, in the ____ (arrange) marriages of the old days of China9 there were indeed quite a lot of brides who cried over their ____ (disappoint) marriage and even their unhappy life.

 如图乙所示，小球静止在水中．请画出小球所受力的示意图．

我国著名的四大海产____ 、____ 、____ 、____ ．

自举办第一届世博会算起，世博会已有100多年的历史，而中国人的世博之梦也已持续百年。如今，中国人美梦成真。近些年来，中国人不仅圆了世博梦，还圆了许多梦：回归梦、入世梦、奥运梦、飞天梦……中国人圆了很多梦充分说明了  （   ）