（Ⅰ）求角C的大小；

（Ⅱ）若 $\mathrm{sinA}+sinB=\frac{3}{2}\sin C$ ，且S_△ABC= $\sqrt{3}$ ，求边c的长．

2014年3月1日晚9时20分，以阿不都热依木·库尔班为首的暴力恐怖团伙在云南昆明火车站广场、售票厅等处砍杀无辜群众，造成严重的人员伤亡。该团伙共有8人中（6男2女），现场被公安机关击毙4名、击伤抓获1名，其余3名已落网。对此，认识正确的是 （）

B

    I'm at Billy's birthday party. There are a lot of friends in his house. Some stand beside the table and enjoy the snacks and drinks. There is some food on the table. I like the chocolate and the fruit very much. Billy sits in the sofa and chats with some friends there. He wears a red T-shirt and a pair of blue jeans. He looks so cool today. Wow! The cake is really big. There are some candles on it. Billy's friends begin to sing 'Happy Birthday' to Billy. Billy is very excited. He blows out the candles (吹蜡烛) and cuts the cake. Everyone has fun at the party.