Unit3 Computers Period 4 Listening 优秀教案（人教版必修 2）Period 4 ListeningThe General Idea of This Period：This period includes listening and writing on Page 21 ； listening on Page 55 and listening task on Page 58.Apparently，the purpose of this period is to train the students’ listening—for information；for comprehension and for language.Meanwhile，the students will be trained to express their own opinions after listening.Teaching Aims：1.Help the students to learn about the knowledge of information technology.2.Enable the students to get the main ideas of the listening materials.Teaching Important and Difficult Points：1.How to get the main idea and information in details.2.Express their own opinions after listening.Teaching Methods：1.Task-based learning.2.Cooperative learning.Teaching Aids：1.A tape recorder.2.A multimedia.Teaching Procedures：Step 1 RevisionCheck the students’ interviews.Get the students to work together with their partners to interview each other.Step 2 Listening and writing （Page 21）Task 1 Listen to a conversationT ： Class ， as we all know ， the 21st century is the century of information and technology.Next we will listen to a conversation about different kinds of information technology or IT.And as we know，each kind of information technology has its own a dvantages and disadvantages.So from this conversation we will listen for the advantages and disadvantages of each one.But before listening let’s first look at the pictures on Page 21 and the form on Page 22 to make sure what you are going to do while listening.OK，let’s begin.The students listen to the conversation for the first time.Task 2 Discussion and fillingT ： You can see there are a TV ， a CD-ROM ， a computer ， a ...
