lesson 21课讲课.ppt

Look at the pictures What are these?They are______ Look at the sign. This is a cage. 笼子 In the cage ____ ____a ______. Look at the picture. Look at this picture. What is this? It’s a bear. What is it doing? It is sleeping. Bears sleep all winter. It is lazy.懒惰的 Read Lesson 21 and answer the following questions. What time do Brian,Jenny and Danny arrive at the zoo? What time is the zoo open? What does the sign say? Why can’t people take photos in the zoo? Do they have a good day? Remember: 1. arrive at/in 到达 2. go through the entrance 通过入口 比较go across the road 通过公路 through(内部） across（表面） 3. take photos 照相 4. surprise 使惊奇 ；惊讶 to one’s surprise 令某人惊讶 例：to my surprise令我惊讶（的是） 5. make ┅mad 使 ┅发怒(形容词） 6.have a good day 度过一个愉快的一天 He is looking at a bear. The bear is sleeping.He is looking at the bear that is sleeping. 名词 that/who定语从句 1. The dog that/who is standing at the door is mine. 2. Danny keeps the imaginary duck that/who can speak. 3. The man (who/that) I met in the street is called Smith. 4.Here is the pet (that/who )I told you last time. 5.Celine Dion who/that sings the song My Heart Will Go On is a talented singer. * What’s this? It’s a zoo. What’s in the zoo? There are many ____ of . kinds animals signs Danger! No Photos Do not feed the animals! Look at the sign. What kind of animal can you see in the picture? I can see a __________. What does the sign mean? It means that do not feed the animals. monkey there is tiger Why is it in the cage? It’s fierce. It would hurt us. Is this a bear? No, it’s a tiger. How is the tiger? Is it happy? No, it’s angry. It’s mad. 生气的 发怒的 Key words danger 名词，危险 in danger 意为“处于危险中” out of danger意为“脱离危险” eg: His life was in danger. With the help of the doctors, the boy was out of danger. 形容词，危险的，其反义词为safe，安全的 eg:This is a dangerous trip. You need to be careful. dangerou