①牛耕 ②翻车 ③筒车 ④桔槔
A:①②
B:②④
C:①③
D:③④
一 Is the long-haired man Bruce?
一 No, it _____ be him. He's in New York now.
某几何体的三视图如图所示,则该几何体的表面积为 ( )