已知△ABC与△DEF相似且面积比为4:25,则△ABC与△DEF的相似比为______.
参考答案:2:5
解析:本题考查相似三角形的性质,相似三角形面积比等于相似比的平方.
The battle lasted for a few hours and at last the enemy ________.
A.was defeated
B.were beat
C.were won
D.defeated
糖皮质激素与水盐代谢相关的不良反应有()
A.高血压
B.骨质疏松
C.向心性肥胖
D.低血钾
E.糖尿病