10 World of Pets

World Book's Learning Ladders World of Pets

世界书的学习阶梯宠物世界

Choosing a pet Pets are animals that keep us company. Pets can be playful and loyal friends. But taking care of a pet is a big job. Pets depend on us to feed them and keep them clean. They also depend on us to take care of their health. The pets shown in the big picture are gerbils. Read on to see which pet is right for you! An animal doctor called a veterinarian checks a pet to make sure it is healthy. If a pet gets hurt or sick, it should be taken to a vet. Pets should always have fresh water to drink.

宠物是陪伴我们的动物。 宠物可以是顽皮和忠诚的朋友。 但是照顾宠物是一项艰巨的工作。 宠物依靠我们来喂养它们并保持它们的清洁。 他们也依靠我们照顾他们的健康。 大图片上的宠物是沙鼠。 继续往下读，看看哪只宠物最适合你!被称为兽医的动物医生检查宠物以确保它健康。 如果宠物受伤或生病了，应该带它去看兽医。 宠物应该经常有新鲜的水喝。

Pets need proper food to stay healthy. Bedding helps keep a pet clean and dry. The bedding must be changed when it gets dirty. Many types of pets are happier and healthier when they can exercise. A small animal should be kept in a cage that is big enough for it to move around a lot. It's a fact! Some of the United States presidents had unusual pets! President Calvin Coolidge kept a pet raccoon named Rebecca.

宠物需要适当的食物来保持健康。 床上用品有助于保持宠物的清洁和干燥。 床上用品脏了就得换。 许多种类的宠物在能运动的时候会更快乐、更健康。 小动物应该被关在一个足够大的笼子里，这样它就可以到处走动了。 这是事实!一些美国总统有不寻常的宠物!卡尔文·柯立芝总统养了一只名叫丽贝卡的宠物浣熊。

Dog Dogs were the first animals tamed by people. Thousands of years ago, people used them as watchdogs. Over time, people trained dogs to help hunt wild animals and to herd sheep and cattle. Today, many people keep dogs as pets. Dogs are loyal and friendly companions. But they need lots of love and attention. The big picture shows a German shepherd dog. There are many different breeds, or kinds, of dogs. The smallest breed of dog is the chihuahua. The Great Dane is one of the largest of all dogs. A wet nose is often the sign of a healthy dog.

狗是最早被人类驯服的动物。 几千年前，人们把它们当作看门狗。 随着时间的推移，人们训练狗来帮助捕猎野生动物和放羊放牛。 今天，许多人养狗作为宠物。 狗是忠诚而友好的伴侣。 但是他们需要很多的爱和关注。 大图是一只德国牧羊犬。 狗有许多不同的品种或种类。 最小的狗品种是吉娃娃。 大丹犬是最大的狗之一。 鼻子湿润通常是狗健康的标志。

A dog can hear sounds too high for human ears to hear. A dog pants to cool off. Your dog should wear a collar with tags. This will help you find your pet if it gets lost. Long-haired dogs need grooming often. Brushing gets fleas and ticks out of a dog's fur. A dog wags its tail when it is happy or excited. It's a fact! Scientists believe that all of the dogs we know today are related to wolves—even though some dogs no longer look anything like wolves!

狗能听到人耳听不到的声音。 狗穿裤子凉快。你的狗应该戴上有标签的项圈。 这将帮助你找到你的宠物，如果它迷路了。 长毛狗需要经常梳理毛发。 刷牙会使狗毛上的跳蚤和蜱虫消失。 狗在高兴或兴奋时摇尾巴。 这是事实!科学家们认为，我们今天所知道的所有狗都是狼的亲戚——尽管有些狗看起来一点也不像狼了!