如图,在边长为1的小正方形组成的网格中,△ABC的三个顶点均在格点上,则sinA=( )
(Ⅰ)求角C的大小;
(Ⅱ)若 sinA+sinB=32sinC ,且S△ABC= 3 ,求边c的长.
Jim studies better than Tom, but Tom is ______ and he has more friends.
下列事件中,属于随机事件的是( )