In China, there are many traditional(传统的)holidays. The most important one is the Spring Festival. People like it very much. On the Spring Festival, people don't work. Children don't go to school. People clean their rooms. Mothers make dumplings. Kids can get lucky money. Besides this festival, the Dragon Boat Festival and the Mid­Autumn Festival are also popular. On the Dragon Boat Festival, people eat zongzi and have dragon boat races. On the Mid­Autumn Festival, people eat moon cakes and watch the moon. How happy they are!

直线L圆x²+（y﹣2）²=2相切，且直线L在两坐标轴上的截距相等，则这样的直线L的条数为（   ）

在隋朝及唐初，御史台只管揭发，并且只要根据传闻即可奏劾。开元之后，在纠举之前，往往要“推覆理尽，然后弹之”。这说明（  ）