北师大版（2019）必修第二册Unit 4 Information technology Lesson 3 Internet and friendships 课件 (共18张PPT)

(共18张PPT)
222Unit 4 Lesson 3
Internet and Friendships
2
Choose the correct options
1. I find online communication rather familiar / shallow. Face-to-face conversations are more meaningful.
2. In my idea / opinion, playing computer games is one way to escape from reality.
3. Sometimes it’s easier to give a response / understanding with an emoji, rather than typing out a long answer.
Language Focus
Choose the correct options
1. I find online communication rather familiar / shallow. Face-to-face conversations are more meaningful.
2. In my idea / opinion, playing computer games is one way to escape from reality.
3. Sometimes it’s easier to give a response / understanding with an emoji, rather than typing out a long answer.
Language Points
4. They maintain / help their friendships through online communication.
5. Having games on my mobile phone can make it difficult to be aware of / focus on my homework.
6. When reading an article online, it’s important not to skim too much, so that you can understand the full context / choice.
Choose the correct options
Language Points
Choose the correct options
4. They maintain / help their friendships through online communication.
5. Having games on my mobile phone can make it difficult to be aware of / focus on my homework.
6. When reading an article online, it’s important not to skim too much, so that you can understand the full context / choice.
Language Points
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.
Focus on Grammar: Ex.9
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 Grammar: Compound words
Complete the compound words with a word from the circles. Then use them in the summary below.
Compound words
friend_______
any_______
per________
web_______
on________
self- _______
real- ________
smart ________
site
ship
cent
thing
phone
line
centred
life
website
friendship
percent
anything
smartphone
online
self-centred
real-life
Ex.10
Focus on Grammar: Exercise
friendship anything percent website
online self-centred real-life 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.
online
friendship
real-life
smartphone
Focus on Grammar: Exercise
friendship anything percent website
online self-centred real-life smartphone
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.
self-centred
websites
percent
anything
Group work: Think about more compound words
合成词：
由两个或两个以上的词合成一个词
合成名词
合成形容词
合成副词
合成代词
Group work: Think about more compound words
1、名词 + 名词 = 名词
air + port = airport silk + worm = silkworm
2、形容词 + 名词 = 名词
green + house = greenhouse short + hand = shorthand
3、动词 + 名词 = 名词
pick + pocket = pickpocket
4、名词 + 动词 = 名词
sun + set = sunset sun + rise =sunrise
5、动名词 + 名词 = 名词
reading room sleeping pill
Focus on Grammar: Compound nouns
6、名词 + 动词-ing = 名词
hand + writing = handwriting sight + seeing = sightseeing
7、动词 + 副词 = 名词
look + out = lookout get-together
8、副词 + 名词 = 名词
back + ground = background down + town = downtown
9、名词 + 介词短语 = 名词
editor-in-chief 总编辑 father-in-law
Focus on Grammar: Compound adjectives
1、形容词+现在分词
good-looking; easy-going
2、名词+现在分词
man-eating; peace-loving
3、副词+现在分词
forthcoming即将到来的; outstanding
4、名词+过去分词
air-conditioned（有空调的）; man-made
5、形容词+过去分词
grey-haired; middle-aged
6、形容词+名词
first-rate; second-hand
barefoot; high-class
7、副词+副词：
faraway
Focus on Grammar: Compound adverbs
1、副词 + 副词
furthermore 而且、此外； however 然而、无论如何
2、代词 + 副词
somehow 以某种方式； anywhere 在任何地方
3、副词 + 名词
overhead 在头顶 / 空中 / 高处； downstairs 在楼下
4、形容词 + 名词
anyway 不管怎样、无论如何； meanwhile 同时、其间
Summary
合成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，第二个词决定合成词的词性。合成词有不同词性，如 形容词 (online, self-centered, real-life)，名词(friendship, percent, website) 和动词 (babysit 临时照看小孩, overdo)。
Practice
1. _______________ (观光) took up the whole morning.
2. Finally they reached a _______________ (十字路口).
3. Smoking is not allowed during ____________ (起飞).
4. They helped us to map out a _______________ (长期的) plan.
5. ____________ (户外的) exercise will do you good.
Sightseeing
cross-road
take-off (s)
long-term
Open-air
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.
airsick
out-going
greenhouse gas
dining-room
long-jump