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教学目标：
知识与能力目标：
1. 学生能够听、说、读、写，并在情景中恰当运用词汇和句型：dining hall， gym， grass，…years ago，…months ago， last year， last month， star， easy， look up， Internet，There was/were…
2.学生能理解文本大意，以正确的意群及语音、语调朗读对话。
情感态度与文化意识目标：
学生了解一些怀旧事物存在的年代。
学习策略目标：
提高学生的英语交际能力，培养学生学习英语的自信心。
教学重难点：
重点：...years ago， ...months ago， last year， last month过去时间状语的运用。
难点：句型There was/were…的具体运用。
教学用具：多媒体课件
教学过程：
I. warm-up
1.Go over the phrases of Unit 3：
T：Where did you go last summer vacation？ What did you do？
2.Let’s try
（1） Show the picture of main scene.
T： Today Wu Yifan's father and grandfather are invited to visit the school. They are guests（客人）. Let’s welcome.
T： Did the school change a little or a lot？ Let’s listen and tick.
（2） Check the answers.
（3） Try to read the text and find out the answer.
T： Grandpa couldn’t use the computers. Why？
設计意图：复习旧知，引出新知，通过设计爷爷和爸爸参加学校的百年校庆引入本节课的主题。
II. Presentation
1. Let’s talk
（1） Watch and answer
T： Because there were no computers before. Was there a library in the old school？
（2） watch again and answer
What was grandpa’s school like？
There was no library.
There was only one small building on a hill.
Could you see stars at night？ Yes， I like stars.
There were no computers or Internet.
（3） Think and answer
What is the school like now？ （出示learn图片，学习新的词汇dining hall，
gym， grass）
Look！ There is...
There are computers and Internet. We can know a lot from the Internet. Wu Yifan says"I looked it up on the Internet."
And scientists are trying to explore the space， the moon and so on. Sarah also wants to go to the moon. She says"One day I'm going to visit the moon."
（4） Say something about the moon.
The Americans took about five days to get there in 1969.
（在此可以播放登月以及我国对月球探索成就微视频，顺势进行情感教育）
III. Practice
1. Listen and imitate
Pay attention to pronunciation and intonation.
2. Role-play选择角色朗读吧！
3. Retell the talk There _____ _____in my old school.
...
4. Know more（通過对比爸爸、Yifan学校的变化，练习、巩固句型，并学习ago，last）
Father’s school
Yifan’s school
no dining hall
a new dining hall
no gym
a new gym
no grass
grass
IV. Consolidation and extension
1. Be a reporter
Let’s introduce your school. There was/were no … five years ago. Now there is /are ...
设计意图：将所学的句型和单词运用到语篇中，达成语言的输出，提高学生的语用能力。
2. Write the changes of your school
There are some great changes such as new dining hall， gym and so on.
There are also some small changes.
For example， there was lots of paper and notebooks in the garbage can（垃圾桶） last year. But now， here is no paper or notebooks in the garbage can. Because we collect and sell it. My school is more beautiful.
V. Summary
T： What have we learned this class？
VI. Homework
Listen and imitate the dialogue and words .
Try to draw and write the changes of your home.
Blackboard design
Unit 4 Then and now
gym grass dining hall
…years ago last year
…months ago last month There was no gym in my school twenty years ago.
There were no computers or Internet in my time.
知识与能力目标：
1. 学生能够听、说、读、写，并在情景中恰当运用词汇和句型：dining hall， gym， grass，…years ago，…months ago， last year， last month， star， easy， look up， Internet，There was/were…
2.学生能理解文本大意，以正确的意群及语音、语调朗读对话。
情感态度与文化意识目标：
学生了解一些怀旧事物存在的年代。
学习策略目标：
提高学生的英语交际能力，培养学生学习英语的自信心。
教学重难点：
重点：...years ago， ...months ago， last year， last month过去时间状语的运用。
难点：句型There was/were…的具体运用。
教学用具：多媒体课件
教学过程：
I. warm-up
1.Go over the phrases of Unit 3：
T：Where did you go last summer vacation？ What did you do？
2.Let’s try
（1） Show the picture of main scene.
T： Today Wu Yifan's father and grandfather are invited to visit the school. They are guests（客人）. Let’s welcome.
T： Did the school change a little or a lot？ Let’s listen and tick.
（2） Check the answers.
（3） Try to read the text and find out the answer.
T： Grandpa couldn’t use the computers. Why？
設计意图：复习旧知，引出新知，通过设计爷爷和爸爸参加学校的百年校庆引入本节课的主题。
II. Presentation
1. Let’s talk
（1） Watch and answer
T： Because there were no computers before. Was there a library in the old school？
（2） watch again and answer
What was grandpa’s school like？
There was no library.
There was only one small building on a hill.
Could you see stars at night？ Yes， I like stars.
There were no computers or Internet.
（3） Think and answer
What is the school like now？ （出示learn图片，学习新的词汇dining hall，
gym， grass）
Look！ There is...
There are computers and Internet. We can know a lot from the Internet. Wu Yifan says"I looked it up on the Internet."
And scientists are trying to explore the space， the moon and so on. Sarah also wants to go to the moon. She says"One day I'm going to visit the moon."
（4） Say something about the moon.
The Americans took about five days to get there in 1969.
（在此可以播放登月以及我国对月球探索成就微视频，顺势进行情感教育）
III. Practice
1. Listen and imitate
Pay attention to pronunciation and intonation.
2. Role-play选择角色朗读吧！
3. Retell the talk There _____ _____in my old school.
...
4. Know more（通過对比爸爸、Yifan学校的变化，练习、巩固句型，并学习ago，last）
Father’s school
Yifan’s school
no dining hall
a new dining hall
no gym
a new gym
no grass
grass
IV. Consolidation and extension
1. Be a reporter
Let’s introduce your school. There was/were no … five years ago. Now there is /are ...
设计意图：将所学的句型和单词运用到语篇中，达成语言的输出，提高学生的语用能力。
2. Write the changes of your school
There are some great changes such as new dining hall， gym and so on.
There are also some small changes.
For example， there was lots of paper and notebooks in the garbage can（垃圾桶） last year. But now， here is no paper or notebooks in the garbage can. Because we collect and sell it. My school is more beautiful.
V. Summary
T： What have we learned this class？
VI. Homework
Listen and imitate the dialogue and words .
Try to draw and write the changes of your home.
Blackboard design
Unit 4 Then and now
gym grass dining hall
…years ago last year
…months ago last month There was no gym in my school twenty years ago.
There were no computers or Internet in my time.