A:河南与河北
B:湖南与湖北
C:山东与山西
D:福建与台湾
若圆柱的底面半径为3cm,母线长为4cm,则这个圆柱的侧面积为( )
—I hear it's not easy to get a ticket for Fast & Furious 7. —Exactly. The film is the one this year.
被誉为“丝路明珠”的是( )