已知三角形三边长分别是6，8，10，则此三角形的面积为 _________ ．
24
When asked how he liked his job, he said he was happy _____ he was. [ ]
A. what
B. who
C. where
D. how
叙事长诗《格萨尔王传》是我国哪一民族同胞世代创造的艺术精品？（）
A.维吾尔族
B.回族
C.藏族
D.蒙古族
