How does the boy like the concert?
A:It's short.
B:It's fantastic.
C:It's lively.
如图为女性生殖系统结构模式图,据图回答:
设F为抛物线C:y2=3x的焦点,过F且倾斜角为30°的直线交C于A,B两点,O为坐标原点,则△OAB的面积为( )
读如图区域图,写出图中地理事物的名称: