全国各地接二连三地发生了多起特大安全事故，造成严重的人员伤亡，特别是北京密云、吉林商厦等特大安全事故，引起了党中央和国务院的高度关注Finding your way教学目标：1. 能掌握冠词的用法。2. 能运用方位介词来表达物体的位置。教学步骤：A Using a, an and theStep Free talk1. Whats this? Its a book.Whose book is it? Itss.Write the sentences on the blackboard: Its a book. The book iss.2. Make sentences eg: This is an apple. The apple is big and red.Step PresentationWe use a or an when we mention a person or thing for the first time. We use the before a noun when the person or thing is mentioned again, or when we are talking about a specific person or thing. Show some pictures and ask students to say something about the pictures:1. This is a Panda House. We can see some pandas.2. Look, here is panda. The panda is eating bamboo.3. Heres a panda too. Whats the panda doing? (The panda is lying on the grass.)4. Here is a baby panda. How cute! Its so small. But the baby panda doesnt look like its mother.Step Practice1. Pair workHave a free talk with your partner, try to use a, an and the.2. Finish these sentences with “a, an, the”.(1) -I can see kite over there.-Wheres kite? I cant see it.(2) Theres famous university in this city.(3) Everyone has mouth, nose, two eyes and two ears.(4) Which is biggest, Sun, Earth, or Moon？(5) Kate is English girl and I am Chinese girl.(6) - Whos man over there?- Oh, hes friend of my fathers.3. Text book Page 47: Fun in the zooAsk students to complete the conversation with “a, an, the”. Then check the answers. 4. Read and act out the conversation.B Prepositions of placeStep Presentation1. Introduce some prepositions of place.Eg: I often stand in front of you. Where is sit? She sits between A and B. She sits in front of C, and C sits behind her.2. Ask and answer, try to make students answer with “inside , outside, beside, next to, left and right”.3. Teacher says: Look, we have some lights. The lights are above us. We have some books here. The books are on the teachers desk. We have a national flag. Its over the blackboard.(Make sure that students can use these words correctly.)4. Read the sentences on Page 48. Then make a simple dialogue.Sample conversation:S1: Where do you sit?S2: I sit in front of I sit betweenand I sit next toS1: I sit beside I sit behind5. Tell other students where you sit.Step practice1. In the parkSandy goes to the park every weekend. Look at the picture and tell me what you can see in it.2. Group work: say something about the picture.3. Make a conversation.Sample conversation: T：Wheres the lake?S: Its beside a football field.T: What are the two boys doing on the lake?S: Theyre rowing a boat.T: Wheres a bird singing?S: The bird is singing in the left tree.4. Complete the article on Page 48.5. Check the answers. Then read the article.Step Homework巩固所学词汇、词组、句型及语法内容。安全生产工作怎么要求都不过份，怎么重视都不过份，安全生产无小事，安全生产责任重于泰山，抓好安全生产工作是极其重要的工作