He asked his father _______.
A:where it happens
B:where did it happen
C:how it happened
D:how did it happen
9能分成2和( )。
在△ABC,a=2,b=3,B=π3,则A等于( )
在“2016屈原故里端午文化节”中,主办单位组织了屈原故里端午祭、龙腾三峡、屈乡过端午、中韩端午屈乡行等一系列精彩节目,再现古楚祭祀文化的华美仪典。举办上述活动的主要意义是( )