Lesson 57 The Elephant and the Whale

　　The biggest and strongest animal on landis the elephant. The largest and heaviestanimal in the sea is the whale. It's also thebiggest eater in the world. It eats a ton offood a day. It looks like a fish, but it is reallya mammal. Although the elephant and thewhale are both mammals, they are indeedvery different.
     大象与鲸鱼 
　　陆地上最大，最壮的动物就是大象。海中最大、最重的动物则是鲸鱼，它也是世界上吃得最多的动物，它每天要吃一吨的食物。它看起来像鱼，但它实际上是哺乳动物。虽然大象和鲸鱼都是哺乳动物，它们却大不相同。