如果两个相似三角形对应高的比为5：4，那么这两个相似三角形的相似比为______．
∵两个相似三角形对应高的比为5：4，
∴它们的相似比为5：4．
银行按揭
Which of the following shall not the officers in charge of the navigational watch do?（）
A.continue to be responsible for the safe navigation of the ship
B.Leave the bridge
C.Keep the watch on the bridge
D.Use any available navigational aids necessary to ensure that the ship follows the planned course
