题型:判断题 在△ABC中,a,b,c分别是内角A,B,C所对的边,C=π3,a=3,若向量m=(1,si3A),3=(6,si3B),且m∥3.(I)求b,c的值;(II)求角A的大小及△ABC的面积. 查看答案
题型:判断题 In that school, English is compulsory for all students, but French and Russian are _____. [ ]A. special B. regional C. optional D. original 查看答案