题目

Long Beach lies in south-western Washington, and it is generally called Long Beach Peninsula. Communities there take you back to the old days of a simple and slow-paced lifestyle. There, visitors can relax and have fun through various activities. Bird watching There are many kinds of birds that can be found in Long Beach. It is the best if you observe from a distance. If you walk close to them, they may be spooked and fly away. Don’t forget to take a camera and take pictures of the various birds there. Horses     A popular activity in Long Beach is horseback riding. Two businesses i5．一个长方体鱼缸，从里面量长5分米，宽3分米，高4分米，水深25厘米，水的容积占鱼缸容积的几分之几？