某正三棱柱的三视图如图所示,其中正视图是边长为2的正方形,则该正三棱柱的表面积为( )
A:6+3
B:12+23
C:12+3
D:24+23
570除以5,再加上38,和是多少?
Larry, we're glad you have arrived. We ______ to drive to the station to meet you.
汽车自身质量/kg
1150
汽车热机的效率
25%