初三英语教案-Now and then教案

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教学目标：

1. 能听懂、会说、会读、会写

1) 词汇：ago, office, newspaper, news, watch, e-book

2) 句型与日常用语:

… ago, he / she …

Now he / she …

2. 能听懂、会说、会读

1) 词汇：then and now, use, telephone, mobile phone, anywhere, radio, make friends,all over the world, do shopping, TV

2) 句子：

Then and now.

He used the telephone at home and in the office to call people.

Now he has a mobile phone and he can call people anywhere.

Thirty years ago, Mike’s granpa listened to the radio and read newspapers for news.

Now he can read and watch news on the Internet.

He reads e-books too.

Twenty years ago, Mrs brown made friends at school.

Now she has e-friends from all over the world.

She does shopping on the Internet too.

3. 能运用所学句型和词汇简单谈论科技如何改变生活的。

教学重点：

·句型：… ago, he / she … Now he / she …

·词汇：ago, office, newspaper, news, e-book

教学难点：

·句型：一般过去时与一般现在时的比较和运用

·词汇：mobile phone等词的读音及动词过去式

教学准备：

1. 多媒体、教学光盘

2. 收集一些如留声机、蒸汽火车、胶片电影、老式的电视机、数码相机、智能手机、平板电脑、电子阅读器等图片

3. 教师儿时、现在的两张照片

教学过程;

A. Warming up

1. Greetings

2. 欣赏图片，引入话题

3. 出示留声机、蒸汽火车、胶片电影、老式的电视机、数码相机、智能手机、平板电脑、电子阅读器等图片，引导学生判断哪些是当代的事物，哪些是过去的事物，用now和then来归类。学习课题Then and now

B. Presentation and practice

1. 出示教师的两张照片，师生谈话

T: Look at this photo. Who is this? Can you guess?

S1: Is it you?

T: Yes, it’s me. How old was I then?

S2: Were you ten?

T: Yes. I was a primary school student then. Now I’m a teacher at a primary school.

2. 呈现图片或实物，学习目标词汇mobile phone,telephone; radio, TV, newspaper, e-book.

T: (呈现电话图片) I use this to make calls. I can use it in the office. I can use it at home too. It’s a telephone.

Ss: A telephone.

T: Can I use a telephone on the or the train?

Ss: No, you can’t.

T:(出示手机实物)I can make a call with this on the bus, in a car or on the train. I can carry it with me and make a call anywhere. It’s a mobile phone.

Ss: A mobile phone.

T: (出示电视机图片) What’s this?

Ss: It’s a TV.

T: Do you like watching TV? What do you watch on TV?

S1: Yes, I like watching TV. I watch cartoons on TV.

S2: I watch films on TV,

S3: Iwatch news and music programmes on TV.

…

T: (出示收音机图片) Look. We can’t watch it, but we can listen to music and news on it. It’s a radio.

Ss: A radio.

T: (出示报纸实物) This is paper. There is news in it. It’s a newspaper.

Ss: A newspaper.

T: (呈现电子阅读器图片) Is this a mobile phone / computer?

Ss: No, it isn’t.

T: It’s a book without paper. It has a screen. You can carry it with you. It’s an e-book.

Ss: An e-book.

3. 新旧照片对比，操练一般现在时和一般过去时。

呈现手机、电视机、电话、收音机等物品的不同时代的照片，引导学生一般现在时和一般过去时对比描述这些事物的样子。

1) 教师示范：

T: (呈现旧式手机图片)This is a mobile phone 20 years ago. It was big and heavy. It was black. It was thick. It had a small screen. You could only make calls with it. (呈现新式智能手机)Now, a mobile phone is big too, but it’s not heavy. It’s thin and it has a big screen. You can do many things with a mobile phone. You can listen to music, watch films, read news and play games.

3) 学生分组，选一组图片进行描述。教师巡视，给学生提供必要的词汇帮助。

4. 师生问答，操练can和could

1) T: What can you do?

S1: I can draw.

S2: I can play basketball.

S3: I can play the piano.

…

2)

T: How old were you ten years ago?

Ss: I was two.

T: What could you do then?

S1: I could walk.

S2: I could run.

S3: I could talk.

…

3)

T: Could you write ten years ago?

S1: No, I couldn’t.

T: What couldn’t you do ten years ago?

S2: I couldn’t swim.

S3: I couldn’t draw.

…

C. Story time

1. 呈现课文的四组图片，引导学生观察每组图片中两幅图片的不同之处，并思考：

What could he / she do then?

What can he / she do now?

What did he / she do then?

What do they do now?

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