北师大版（2019）英语必修第二册 Unit 4 Information Technology Lesson 3 Internet and Friendships 教案

Unit 4 Information Technology
Lesson 3 Internet and Friendships 教学设计
科目：英语 课题：Lesson 3 Internet and Friendships 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 the usage of compound words.
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 the usage of compound words.
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
教师活动：教师提问
Do you think the Internet helps or harms friendships Give your reasons. Write them down in the following table.
Positive aspects Negative aspects
·brings people closer together · · ·makes people self-centred · ·
While- reading
READ AND EXPLORE
1. 学生活动：阅读文章，划出大意。
Read the first blog post "The Internet Harms Friendships". Underline the general idea and the topic sentence for each argument.
2. 学生活动：阅读文章，完成练习。
Read the first blog post again. Complete the information on the left side of the diagram.
(Suggested answers:
Negative aspects
Argument 1
Topic sentence: Talking online is no replacement for face-to-face contact.
Supporting details: Images really cannot replace a real-life smile or municating through a screen makes it more difficult for children to concentrate or show kindness to others.
Argument 2
Topic sentence: The Internet can make people self-centred.
Supporting details: Instead of having proper conversations with their friends, some people are only concerned with their online popularity. A lot of the content posted on social media is shallow or trivial.
Argument 3
Topic sentence: Online relationships may not be what they appear to be.
Supporting details: Friendships are built on the basis of trust, and with online communication you can never be 100 percent sure that the people you are chatting to are being honest about who they are. )
3. 学生活动：阅读文章，完成练习。
Read the second blog post "The Internet Helps plete the information on the right side of the diagram in Activity 3.
(Suggested answers:
Positive aspects
Argument 1
Topic sentence: The Internet makes communication much more convenient.
Supporting details: You can stay in touch with friend no matter where you are or what you are doing.
Argument 2
Topic sentence: The Internet has also made communication more fun.
Supporting details: You can share photos, videos, news stories and websites with your friends online.
Argument 3
Topic sentence: Online communication can actually bring people closer to each other.
Supporting details: Whenever someone needs help, friends from all over the world can immediately provide useful suggestions or information. This makes friends feel loved and cared for.)
三、After-reading
1. 学生活动：Group Work
Choose one position. Each member of the group presents one argument to support your position based on the notes taken.
2. 学生活动：Group Work Think and Share
1. Look at the sentence from paragraph 2 in the first blog post, "It is these skills that enable us to develop lifelong friendships". What does "these" refer to Do you agree with the statement Why or why not
(The word "these" refers to social skills, like concentrating or showing kindness to others.)
2. In the second blog post, what does Eileen Kennedy-Moore mean when she says that online friends "fill holes real-life friends can't" Give your reasons.
(Online communication is a solution when there are difficulties with face-to-face communication, i.e. people live far apart, a person suffers from social anxiety and may find it easier to talk to people online, etc.)
3. 学生活动：完成练习。
Are there any other advantages or disadvantages of online friendships If so, list them below.
Advantages Disadvantages
·People can keep contact with many friends at the same time. ·People get to know more new friends online. ·The message can be saved to read later when people have time, and online friends are more tolerate with delayed reply. ·Some people may feel safer with text-based communication rather than face-to-face communication. ·Other aspects ·Anonymous online friends may be dangerous. ·It is easy to be trapped with too many messages, and it takes time. ·It is not easy to have thought-provoking communication with online friends. ·Other aspects
4. 学生活动：完成练习。
Complete the adjectives. Choose at least five adjectives to write five sentences in the space given. You may express either positive or negative opinions about the use of the Internet.
(Answers:
1. rewarding 2. shallow 3. convenient 4. self-centred 5. limiting
6. brief 7. creative 8. cheerful 9. trusting 10. thought-provoking)
FOCUS ON LANGUAGE: COMPOUND WORDS
Complete the compound words with a word from the circles. Then use them in the summary below.
(Answers:
1 friend + ship = friendship
2 any + thing= anything
3 per + cent = percent
4 web + site = website
5 on + line = online
6 self- + centred = self-centred
7 real- + life = real-life
8 smart + phone = smartphone)
Some people believe that the Internet has many negative aspects. Talking to people 1 __________
or having a 2 ____________ with someone you only talk to on the Internet isn't a replacement for 3 __________ communication. While it can connect you with other people who use a 4 __________, face-to-face contact with others is important to help you maintain healthy relationships. This argument is thought-provoking because it shows that people still need face-to-face communication with others today. In addition, spending too much time on the Internet can make you 5 __________ because you can become obsessed with popularity and gaining followers. Finally, you need to be careful with various 6 __________ because you can never be 100 7 __________ sure that 8 __________ you read online is true.
(Answers:
1 online 2 friendship 3 real-life 4 smartphone
5 self-centred 6 websites 7 percent 8 anything)
EXPRESS YOURSELF
Debate. Does the Internet help or harm friendships Express your opinion by using examples or personal experiences.
语法：复合词
复合词是由两个单词组合而成的。通常第一个词修饰第二个词，表达其主要特征，第二个词决定复合词的词性。复合词有不同词性，如形容词 (online, self-centered, real-life)，名词(friendship, percent, website) 和动词 (babysit, overdo)。
1. 合成名词常见构词法
(1) n. + n.
penfriend (笔友)，classroom (教室)，newspaper (报纸)
(2) adj. + n.
greenhouse (温室)，blackboard (黑板)，highway (高速公路)，long-jump (跳远)
(3) v.-ing + n.
waiting-room (候诊室，等候室)，swimming-pool (游泳池)，washing-machine (洗衣机)，dining-room (餐厅) ，sleeping pills (安眠药)
(4) v. + n.
pickpocket (小偷，扒手)，speakbox (对讲机)
(5) n.+ v.-ing
handwriting (书法)，sun-bathing (日光浴)
(6) v. + adv.
warm-up (热身练习)，make-up (化妆品)，break-in (闯入)，get-together (聚会)
(7) adv. + n.
overcoat (长大衣)，bystander (旁观者)，outbreak (爆发)
2. 合成形容词常见构词法
(1) adj. + v.-ing
good-looking (相貌好看的)，easy-going (容易相处的)
(2) adv. +v.-ing
hard-working (工作努力的)，far-reaching (影响深远的)
(3) n. +过去分词
state-owned (国有的)
(4) n. +v.-ing
peace-loving (爱好和平的)
(5) adv. +过去分词
well-known (著名的)，widespread (广泛传播的)
(6) adj. +过去分词
kind-hearted (好心的)，ready-made (现成的)
(7) n. +adj.
duty-free (免关税的)，self-satisfied (自负的，自我满足的)
(8) adj. + n.
large-scale (大规模的)，high-class (高级的)
练习：
1. _______________ (观光) took up the whole morning.
2. Finally they reached a _______________ (十字路口).
3. Smoking is not allowed during _______________ (飞机的起飞).
4. They helped us to map out a _______________ (长期的) plan.
5. _______________ (户外的) exercise will do you good.
6. Are you _______________ (晕机的)
7. He is lively and _______________ (外向的).
8. In this aspect, clouds are like _______________ (温室气体).
9. What kind of food do you have in your _______________ (餐厅)
10. He holds the _______________ (跳远) record.
(Answers:
1. Sightseeing 2. cross-road 3. take-off (s) 4. long-term 5. Open-air
6. airsick 7. out-going 8. greenhouse gas 9. dining-room 10. long-jump)
四、Summary
重点词汇：harm, argument, replace, concentrate, content, particularly, opinion, response
重点句型：强调句；“no matter +疑问词”引导的从句
重点语法：复合词的用法
五、Homework
Write a short passage to express your opinions about Internet and friendship.
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