英语七年级上册Unit 2 When do you use a computer?教学课件ppt

设计说明

通过借助图片简述自己使用计算机的情况导入新课，引出阅读主题“电脑的使用情况”。快速阅读，培养学生获取主旨信息的能力；通过分层次阅读文章，获取具体信息，使知识点和课文理解在分段学习得以突破，同时也锻炼了学生的口语表达能力。通过阅读他人使用电脑的情况, 从而正确认识如何合理使用电脑和网络。写作活动与阅读主题一致，便于活动开展。第一个阶段是回答问题，第二个阶段段落写作，把问题的答案组合成段落。从句式到语篇的训练，有助于学生写作水平的提高。在教学过程中，采用多媒体手段辅助教学，利用各种图片和习题任务贯穿整个教学过程。

教学目标

通过本单元的教学，让学生达成以下目标：

1. 知识目标

学习本单元单词及短语: share, Australia, company, often, check, train, travel, plan, ticket, music, movie, night, search, search for, information, email, send, sometimes, cinema, clothes, visit

掌握句子：What do you do on the computer?/When do you use a computer? /

Who shares a computer with his father ?

2. 能力目标

 (1) 能够学会询问某人 (who) 在何时 (when) 何地 (where) 利用计算机做何事 (what) , 并能根据问题用第三人称陈述句形式做出回答；

 (2) 通过问卷调查，运用所学语言了解同学间使用电脑的情况。

3. 情感目标

教育学生文明上网，遵守全国青少年文明上网公约。

重点难点

重点：理解如何使用电脑的对话。

难点：如何指导学生在电脑上写作业。

教学准备

PPT课件；活动1的录音

授课时数

2课时

教学过程

Step 1　Warming up

1. Work in pairs.

Ask the students to discuss:

Do you often use a computer?

When do you use the computer?

What do you often do on the computer?

What other things can we do on the computer?

2. Then, ask some students for talking.

Step 2　Presentation

1. Show the students pictures about using the computer and phrases.

2. Ask the students to guess the meaning of phrases with the help of the pictures. Then use the phrases to describe them.

3. Read the new phrases. Then use the sentence patterns:

A: What do you do on the computer?

B: I … on the computer.

Step 3　Reading

1. Play the tape and have the students listen and read.

2. Ask the students to skim the passages and match the questions with the people who answer them in Activity 1.

1 Who can use the computer on Sunday?

2 Who shares a computer with his father?

3 Who has a friend in Australia?

Answers: 1 Mike.  2 Zhang Lei.   3 Alice.

3. Ask the students to read the passage again, and check (√) the true sentences in Activity 2.

1 Zhang Lei’s father uses the computer every Friday night.

2 Alice checks email at home.

3 Mike likes playing computer games.

4 Mike and his parents use their home computer.

4. Check the answers with the students.

Answers: 1 ×　2 ×　3 √　4 ×

Step 4　Language points

1. …and my father and I share it. ……我和爸爸共用。

share动词，意为“共用；分享”。后面可接名词 (短语) 或代词作宾语。share sth. with sb. 意为“与某人分享某物”。

Let’s share the room. 咱们合住这个房间吧!

May I share the umbrella with you? 我可以与你共用这把伞吗？

2. …make travel plans, and buy tickets. ……制订旅行计划，买机票。

(1) travel名词，意为“旅行”。

Do you like your travel to Qingdao? 你喜欢你的青岛之旅吗？

【拓展】travel动词，意为“旅行”。

I want to travel to England. 我想去英国旅行。

(2) plan可数名词，意为“计划”

  She is making a plan now. 她正在制订一个计划。

【拓展】plan动词，意为“计划；打算”。plan to do sth. 意为“计划/打算做某事”。

I plan to play basketball tomorrow. 明天我打算打篮球。

3. On the Internet, I search for information, do my homework and check my email. 在网上，我搜索信息、做家庭作业、查看我的电子邮件。

  (1) search for意为“搜寻；查找”。

She is searching for her son. 她正在找她的儿子。

  (2) information不可数名词，意为“信息”。可以用much, a lot of, some, any等词修饰。

We use the keyboard for typing in information. 我们使用键盘键入信息。

4. I send email to my friends and play computer games.

我给我的朋友发送电子邮件并且玩电脑游戏。

send及物动词，意为“发送，寄”。send sb. sth. = send sth. to sb. 意为“发送/寄给某人某物”。

My friend often sends me her photos. = My friend often sends her photos to me.

我朋友经常给我发来她的照片。

5. But sometimes I play a lot of games… 但是有时我玩很多游戏……

sometimes频度副词，意为“有时, 不时”，可位于句首、句中或句末。

Sometimes my sister writes to me. 我姐姐有时给我写封信。

6. And do you want to visit friends or family? 你想去拜访朋友或家人吗？

visit动词，意为“探望；参观”。

I want to visit the Great Wall. 我想去参观长城。

【拓展】visit名词，意为“参观；访问”。

It’s her first visit to China. 这是她第一次来中国。

Step 5　Practice

1．Ask the students to do Activity 3. Match the words and expressions in Column A with those in Column B. And tell the meanings about them.

Answers:

buy tickets

check email

go on the Internet

make travel plans 

play games

share a computer 

talk to customers 

search for information 

watch movies

work for a company

2. Work in pairs

A: Zhang Lei, what do you often do on the computer?

B: I often listen to music and watch movies on the computer.

B: Alice, what do you do on the computer？

A: I. . . on the computer.

3. Let the students do Activity 4.

①Ask the students to read the words in the box.

②Complete the passage with the correct form of the words from the box.

You can use your computer to do lots of things on the (1) ________. You can (2) ________ for (3) ________ about things to do. Are you (4) ________ an evening at the cinema? What time does your (5) ________ start? You can

(6) ________ on the Internet. What about shopping? Many (7) ________ buy books, clothes and many other things on the Internet. And do you want to visit friends or family? Many people buy train (8) ________ on the Internet. You can also (9) ________ email or speak to friends. But remember to (10) ________ the computer with your parents!

Answers: (1) Internet　(2) search　(3) information　(4) planning　(5) movie

(6) check　(7) customers　(8) tickets　(9) send　(10) share

4. Ask the students to retell the passage in groups.

Step 6　Writing

1. Ask the students to answer the questions.

1 Does your father / mother use a computer?

2 What do you do on a computer?

3 When do you use a computer?

4 Do you play computer games? What games do you play?

2. Write sentences about their answers.

Step 7　Homework

1. Remember the words and phrases.

2. Write a short passage about computer. Use the title “I have a computer at

home”.

当堂达标

Ⅰ. 根据句意及汉语提示写单词。

1. There are a lot of ________ (顾客) in the shop.

2. She has got a small ________ (公司) .

3. Uncle John buys three ________ (票) on the Internet.

4. I have a friend in ________ (澳大利亚) .

5. They want to go to Shanghai by ________ (火车) .

Ⅱ. 单项填空。

1. —What about your　　　　after school? 

—I want to play basketball.

A. dinner B. job C. plan D. lesson

2. My teachers often go online to get much ________ about teaching.

A. information B. tickets C. emails D. games

3. Tom often shares his food ________his friend.

A. to   B. with   C. in   D. on

4. Lingling lives in America. She often sends email ________ her friends.

A. at   B. for   C. to   D. about

5. My father often searches ________ some information on the Internet.

A. of   B. at     C. from   D. for

Ⅲ. 根据汉语意思完成句子。

1. 你经常上网吗？

Do you often go ________ ________ ________?

2. 我家里没有电脑。

There is ________ ________in my home.

3. 你玩电脑游戏吗？

Do you ________ ________ ________?

4. 不要在教室里听音乐。

Don’t ________ ________ ________ in class. .

5. 他们经常在星期天看电影。

They often ________ ________ on Sunday.

答案：Ⅰ. 1. customers　2. company　3. tickets 　4. Australia　5. train 

Ⅱ. 1-5　CABCD

Ⅲ. 1. on the Internet　2. no computer　3. play computer games　4. listen to music　5. watch movies

板书设计

教学反思