在棱长为2的正方体上，分别用过共顶点的三条棱中点的平面截该正方体，则截去8个三棱锥后，剩下的几何体的体积是（　　）

如图所示电路，由估算可知，通过毫安表的电流约为____毫安，通过安培表的电流约为____安培．

— Hello! Kangkang! ____.

— Hi, Xiao Lei! I’m going to the post office.

— ____.

— I’m going to send some clothes and books to the students in Wenchuan.

— You’re really warm-hearted. ____.

— No, they can’t. Their school buildings fell down and the government (政府is rebuilding schools for them.

— It’s good news. I hope they can go to school early.

— ____. Oh, what about you? What will you do for the students there to show your love?

— ____.

— Money? That’s good. Shall we go to the post office together?

— Good idea. Let’s go!