Unit 6 When was it invented?
Section A 1 (1a-2d)
一、Teaching aims and demands
Key words： heel, scoop, electricity, style, project, pleasure, zipper, daily, website, pioneer, list, mention
Sentences：
1. —When was the zipper invented ?
--It was invented in 1893 .
2. --- Who was it invented by ?
---It was invented by Whitcomb Judson.
3. davy --What is the hot ice-cream scoop ud for?
—They are ud for rving really cold ice-cream. .
二、Teaching key points
1. Talk about the history of invention.
2 .Learn passive voice (past ten )
三、Teaching difficult points
1. Talk about the history of invention.
2 .Learn passive voice (past ten )
四、教学过程
I. Lead in
1 .Show a piece of paper and ask
T: What’s this?
footballclub
S: It’s a piece of paper.
T: Who invented paper?
S: Cai Iun invented paper.
T: So paper was invented by Cai Lun.
Then show some pictures and ask
T: What’s this?
S: It’s a telephone.
T: Who invented telephones?
S: I know .It’s Bell
T: So telephones were invented by Bell
2. Let Ss match the inventions and the inventors.
knife什么意思
Ⅱ. Prentation
monster什么意思中文翻译Let students make ntences like this
T: Cai Lun invented paper.
rare earthPaper was invented by Cai Lun.
Ⅲ. Talking Work on 1a
1. Look at the pictures in 1a.In what order do you think they were invented? Discuss them with your group. Then number them [1-4].
2. Ss discuss with their partners and number the pictures.
received是什么意思3. Talking about the inventions:
A: I think the TV was invented before the car.
B: Well, I think the TV was invented after the car .
4. Check the answers.
Ⅳ. Listening Work on 1b
1. Ss look at the pictures and years on the left. Then play the record . Ss listen and match the inventions with the years.
2. Check the answers.
Ⅴ. Pair work .Work on 1c
1. Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change roles and practice again.
2. Let some pairs ask and answer in pairs.
A: When was the telephone invented?
B: I think it was invented in 1876.
…
光怪陆离英文
Ⅵ. Listening
1: Work on 2a:
Listen and number the inventions [1先令—3] in the order you hear them.
swear是什么意思2: Work on 2b:
Listen again and complete the chart.
3. Play the recording again and check the answers.
Ⅶ. Practicing
1. Tell Ss to make conversations using the information in 2b.
A: What are they ud for?
B: They are ud for…
Ⅷ. Role-play the conversation. Work on 2d
1. Let Ss read the conversations
2. Explain some new words and main points in the conversation.
3. Ask Ss to role-play the conversation in groups.
Homework西安教育网站
Make a conversation using the information in 2a and 2b.
