阅读理解

    Hippos(河马) live in Africa. Their sweat(汗水) is red. Sometimes they walk a long way to find water. In fact(事实上) hippos walk in the water. They can't swim.

    Hippos love to play in the water in the day. They like to eat plants(植物)at night. They never eat meat. They are easy to be angry.

    An adult(成年的) hippo is about3,000 kg. He can run very fast. But he cannot run a long way. His longest(最长的) tooth is about 60cm. His open mouth is big. A child can get into it.

    Crocodiles (鳄鱼) eat young hippos. But they cannot hurt adult hippos. So the mother hippos often go with their children.