根据短文内容，完成下列表格(每格只能填一个词)。

C

     People in many places celebrate Christmas on December 25.

    In the USA, Christmas is a long holiday. Shops are usually not open on Christmas Day. And family members have a party together. There are usually Christmas Trees in houses, and children can find presents from their parents in the trees. In many places, children put a stocking(长筒袜)on the bed, because they think Father Christmas will put nice presents in the stocking at night.

    Things are different in China. The Chinese don't have a holiday at Christmas. Shops are open and there are usually Christmas sales(促销) in many shops. There are no family parties, but there are parties for young people in nightclubs and hotels. There are no stories about Father Christmas or presents in stockings.But young lovers(恋人) give each other presents.

宇宙中，两颗靠得比较近的恒星，只受到彼此之间的万有引力作用互相绕转，称之为双星系统．在浩瀚的银河系中，多数恒星都是双星系统．设某双星系统A、B绕其连线上的O点做匀速圆周运动，如图所示．若AO＜OB，则（   ）

阅读卢梅坡的《雪梅》，回答问题。

                                                                                 雪梅
                                                    梅雪争春未肯降，骚人搁笔费评章。
                                                    梅须逊雪三分白，雪却输梅一段香。