Computers （ Listening）

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 advantages 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 radio，a dvd and newspaper here.now try to finish filling in the form with the information you have just got from the conversation.suggested answers：

type of it

advantages

disadvantages

tv

you can both listen and watch

you can’t write to friends

web

you can find information

it’s very expensive

radio

you can listen to english

you can not watch

book

you can get information

sometimes it is out-of-datet：now，let’s discuss the advantages and disadvantages of each type of it in small groups and then decide which type of it is best for you to use，according to the form above and explain the reasons.while discussing，remember to use the following expressions：i think that...in my opinion...i believe that...i agree because...i disagree because...i’ve decided that...step 3 listening （page 55）t：now come to the listening on page 55.before you listening，please read the requirements of ex.1.after that，you will find the three robots from the pictures above on page 55 and number them.