题干
以“My favourite festival” 为题，写一篇小短文介绍一下你最喜欢的一个节日。
答案(点此获取答案解析）
My favourite festival My favourite festival is Spring Festival. The Spring Festival is a traditional festival in China.It usually comes in January or February. According to the Luna Calendar,it is the first day of a new year.Since it always comes in pring
、重为12N的物块放入水中，当它静止时所处的状态及受到的浮力大小分别为（g取10N/kg）（ ）
，则△ABC的形状为（ ）
