一个几何体的主视图、俯视图和左视图都是大小相同的圆,则这个几何体是 .
球
分析:几何体的主视图、俯视图和左视图都是大小相同的圆,符合这个条件的几何体只有球,因此这个几何体是球。
I was asked to sort out the documents but instead of putting them ______ , I totally _______. [ ]
A. in order; messed up them
B. in an order; made a mess of them
C. in the order; messed them up
D. in an order; made a mess of it
同一债权既有保证又有物的担保的,保证人应对全部债权承担保证责任。()