已知△ABC和△DEF全等,且AB=6,BC=10,AC=8,∠A=90 °,△DEF中最小边是( ),最大边是( ).
6,10
结构对于建筑的作用有哪些,是如何组成的?
______ into oceans and rivers is a serious form of pollution.
A.Pouring sewage
B.Emptying litter
C.Throwing garbage
D.Dumping sewage