北师大版（2019）必修第二册Unit 4 Information Technology Lesson 1Avatars教案（含答案）

Unit 4 Information Technology
Lesson 1 Avatars 教学设计
科目：英语 课题：Lesson 1 Avatars 课时：1课时
教学目标与核心素养：
知识目标：Students can learn some new words and expressions and past future tense.
能力目标：Students can have a further understanding of the passage.
情感目标：Students can think individually and learn cooperatively.
教学重难点：
教学重点：How to learn the new words and expressions and past future tense.
教学难点：How to make students have a better understanding of the passage.
课前准备：多媒体，黑板，粉笔
教学过程：
一、Pre-reading
1. Greeting
2. Leading-in
ACTIVATE AND SHARE
1. 教师活动：教师提问。
What kind of avatar do you use online: a photo of yourself, a cartoon image or something else Why did you choose it
a cute animal avatar an avatar in fancy clothes
a cartoon character avatar to express myself freely
to trick others to create a real/ digital identity
to avoid online safety risks to protect myself
Example I use a cartoon character avatar instead of a photo to protect myself online.
Ask students to think and share their answers.
2. 学生活动：回答问题。
You are going to read an article about avatars. What would you like to learn from it Write down your questions in the diagram.
3. 学生活动：回答问题。
Ask students to read the article and get what the author talks about
(Suggested answers:
Para 1: Definition
Para 2: History
Paras 3-5: Purposes of using avatars
Para 6: Views )
二、While-reading
READ AND EXPLORE
1. 学生活动：阅读文章，完成练习。
Read the article. Check how many of your questions in Activity 2 are answered. Underline the answers in the text.
2. 学生活动：阅读文章，完成练习。
Read the article again. Complete the information below.
Avatars Details
Definition A digital image that represents an Internet user.
History 1980s
Late 1990s
Purposes of using avatars To express oneself
To represent oneself
Views Negative
Positive
(Suggested answers:
Avatars Details
Definition A digital image that represents an Internet user.
History 1980s The first simple 2D avatars appeared in role playing computer games.
Late 1990s Avatars were used in web chats like instant messenger.
Purposes of using avatars To express oneself The avatar you choose says a lot about your personality and avatars let you express yourself.
To represent oneself Avatars give you room for creativity. People can create avatars and create new identities that do not look or act like their real selves.
Views Negative People spend so much time in virtual worlds that they are becoming afraid of meeting people in the real world.
Positive People look forward to a time when their avatar will act like a real person and travel around bigger, more exciting virtual worlds.
3. 学生活动：Pair Work
Ask and answer questions about avatars using the information in Activity 4. Then introduce avatars to your partner.
1. What is an avatar
2. How have avatars developed over decades
3. How do people use avatars
4. What are people's views on the use of avatars
(Suggested answers:
1. An avatar is the digital identity you use online.
2. The first simple 2D avatars appeared in role-playing computer games in the 1980s. By the late 1990s, they had been used in web chats like instant messenger. Nowadays, avatars are everywhere.
3. People can choose an avatar from a selection of ready-made images, or create their own images. People use avatars to express themselves. They use avatars to create new identities that did not look or act like their real selves. They also have different avatars for different situations. People also use avatars to present themselves. They use or create avatars that have similar features to their personalities and that look more or less like them and act like them. But people obviously make their avatars look better than they do in real life.
4. Some users worry that they are spending too much time in virtual worlds and the use of several avatars can also be a risk. Others view avatars in a more positive light. They look forward to a time when their avatar will act like a real person and travel around bigger, more exciting virtual worlds.)
三、After-reading
1. 学生活动：Group Work Think and Share
1. What does the writer mean by "the avatar you choose says a lot about your personality" Do you agree with the writer Give examples to support your opinion.
2. Can you give examples of the risks of using avatars What can you do to prevent such risks
(Suggested answers:
1. "The avatar you choose says a lot about your personality" may mean that most people create avatars that have similar features to their personalities and look more or less like them and act like them.
2. We must be careful when surfing online.)
2. 学生活动：完成练习。
Complete the short text with information from the article.
Avatars are digital 1. _____________ that you use to represent yourself online. You can choose an avatar from 2. _____________ of ready-made images, or 3. _____________. Although avatars haven't been around for long, they are widely used.
Avatars let you 4. _____________ and give you 5. _____________. But the use of avatars has
also caused 6. _____________. Some users worry that they are spending too much time 7. _____________ that they are becoming afraid of meeting people in the real world. The use of several avatars can also be 8. _____________ as people can use avatars to 9. _____________ However, many people see avatars in 10. ____________
(Suggested answers:
1. identities 2. a selection 3. create your own images
4. express yourself 5. lots of room for creativity 6. a few concerns
7. in virtual worlds 8. a risk 9. cheat others online 10. a more positive light)
FOCUS ON LANGUAGE: PAST FUTURE
1. 学生活动：完成练习。
1. Read the sentences. Write P below the underlined parts that refer to the past and PF below the underlined parts that refer to the future in the past.
1. Yet, very few people knew that future avatars would have such a wide variety of forms and uses.
2. When people started creating their own avatars, they discovered that they were going to have the power to create new identities that did not look or act like their real selves at all.
3. Many Internet users realised that their avatars would be seen by many people, not just their friends.
(Answers:
1 P; PF 2 P; P; PF 3 P; PF )
2. 学生活动：完成练习。
Complete the sentences talking about the future in the past.
1. In the 1990s, few people knew that…
2. When computers were invented, it was believed that…
3. In the 1990s, users of smartphones realised that…
4. The convenience of the Internet made Internet users discover that…
5. When avatars first appeared in the 1980s, few people believed that…
EXPRESS YOURSELF
学生活动：Pair Work
Create your own avatar. Introduce it to your partner.
What does it look like
Why did you decide to create it this way
Where would you use it
语法：过去将来时
1. 过去将来时的基本用法
过去将来时由“would+动词原形”构成，主要表示从过去某一时间来看将要发生的事情（尤其用于宾语从句中）。
He told us he would help us.
他告诉我们他将会帮助我们。
I knew you would agree.
我知道你将会同意的。
2. 过去将来时的其他表示方法
除“would+动词原形”外，过去将来时还有以下几种常见表达方式：
（1）用“was/ were going to do”表示过去某时准备做某事。
Martha was going to come with us.
玛莎准备和我们一道去。
I was going to leave when he came in.
他进来时我正要离开。
注意：was/ were going to do有时可表示过去未曾实现的想法或打算。
She was going to attend the concert last night, but she was too busy.
她昨晚本想去听音乐会的，但她太忙了。
（2）用“was/ were on the point of + v.-ing”形式和“was/ were about to + do”形式表示差点儿就发生的事。
They were on the point of fighting when the teacher arrived.
他们正要打架，这时老师到了。
I was just about to go to bed when he came to see me.
我正要睡觉，这时他来看我了。
（3）用“was/ were due to do”表示定于过去某时将要做某事。
They were due to leave at ten o'clock.
他们定于十点出发。
（4）用“was/ were to do”表示定于过去某时将要做某事。
He was to meet her at 10 o'clock on the street.
他约定和她10点钟在街上见面。
注意：若表示过去没有实现或被取消的计划，则用“was/ were to + 动词完成式”。
We were to have left at 6 last night.
我们本来计划昨晚6点离开的。
（5）用“was/ were supposed to”和“was/ were meant to”表示过去计划做但没有做的事。
I was supposed to go abroad, but my passport had expired.
我本来要出国的，但是我的护照过期了。
We were meant to check out an hour ago.
我们本打算一小时前退房的。
练习：
1. Miss Zhang said she __________________ (visit) the Great Wall next summer.
2. She told him that she __________________ (not stay) here for long.
3. I wasn't sure whether Lucy __________________ (come) the next year.
4. The scientists said the world's population __________________ (slow) down in future.
5. She said the bus __________________ (leave) at five the next morning.
6. I wasn't sure whether he __________________ (lend) me his book the next morning.
7. He was fifty-six. In two years he __________________ (be) fifty-eight.
8. Whenever she has time, she __________________ (help) them in their work.
(Answers:
1. would visit 2. would not stay 3. would come 4. would slow
5. was leaving 6. would lend 7. would be 8. would help)
四、Summary
重点词汇：convenient, self-focused, addicted, create, personality, identity, variety, fancy, sensible, selection, concern, view, known as
重点句型：过去分词（短语）作后置定语
重点语法：过去将来时
五、Homework
Write a short passage to express your opinions about avatars.