A:(π3,π2)
B:(π3,π)
C:(π3,4π3)
D:(π3,3π2)
— Look! Who is the man in the picture (图片)?
— I know. Zhou Xingchi.
长方体的主视图、俯视图如图,则其左视图面积为____ .
下列句子中没有语病的一项是( )