老师：hello boys and girls im miss lee nice to see you again this class is the last one for unit three， please get ready of your book and your pen。
老师：在本单元之前的几讲中，我们学习并谈论了常见动物的名称、种类及基本特征等几方面内容。本课的主题为 animal helpers。在本节课中，我们将一起阅读两篇讲述动物和人类和谐相处的小故事，并能够结合文本内容回答问题，简要复述故事，感受动物与人类之间的友爱。
老师：First, let's watch a video and tell me what you think of these animals. Here we go.
老师：Hey, class. What do you think of these animals? Let's listen to what some of my students say. Jenny, you'll go first.
学生：Animals are friendly.
老师：You and my boy. Animals are helpful. And Evan, please.
学生：They are so kind to us.
老师：Good point. I agree with you. Today, we will read two stories happened between humans and these two kinds of animals. What are they? Yes, they are a cat and a dog. Look, this is our first story. What can you read from the picture? Evan, can you have a try?
学生：A girl and a dog are walking in the street. The girl can't see. The dog helps her.
老师：Thank you, Evan. You are really a good observer. A blind girl and a dog are walking in the street and the dog is there for help. And what's the girl's name? What's wrong with her? What's the dog's name? What kind of dog is it? Let's watch and find out the answers. Here we go.
学生：When Sharon was 15 years old, she lost her sight. She went to a school for blind children. She wanted to go to many places and do many things, so she decided to get a special dog for blind people, a guide dog. After Sharon studied how to work with the guide dog, she got her own guide dog, Bobo. Bobo and Sharon always walk together. Bobo knows how to tell Sharon when to cross the street, when to stop, and when to turn left or right. Sharon can go wherever she wants with Bobo. She loves her guide dog.
老师：What's the girl's name? The girl's name is Sharon. And what's wrong with her? Sharon lost her sight. She can't see. She is a blind girl. And what's the dog's name and what kind of dog is it?
老师：Well, the dog's name is Bobo, and Bobo is a guide dog. Here I have a question for you. What's the meaning of a guide dog? Well, when you come into some new words, you don't always have to look it up in a dictionary. Sometimes the context can tell us. See, we can find the answer from this sentence. Let's read it together.
老师：So she decided to get a special dog for blind people, a guide dog. Good job. Look here. There are some dog helpers. Which one is a guide dog? Think about it. Well, No. 3 is a guide dog. Number one, a police dog. Number two, a rescue dog. Or we may call it a search dog. But how actually does a guide dog work? Let's find out from the text. Let's read the text together.
学生：When Sharon was 15 years old, she lost her sight. She went to a school for blind children. She wanted to go to many places and do many things, s
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