牛津译林版（2019）必修第三册Unit 3 The world online Welcome to the unit & Reading 课件(共29张PPT)

(共29张PPT)
Unit 3
The world online
Welcome to the unit & Reading
Ⅰ.明文章大意
What is the passage mainly about
A.The development of the Internet.
B.The advantages of the Internet.
C.The influence of the Internet.
D.The problems of the Internet.
Step 1　速读——整体理解文意
√
Ⅱ.悉层次结构
Read the text quickly and match the main idea with each part.
Part 1(Para.1)　　　 A.We should use the Internet properly
and responsibly.
Part 2(Paras.2－4) B.We can achieve almost anything online.
Part 3(Para.5) C.The Internet has many advantages.
Ⅰ.Read Part 1 carefully and do the following exercises.
1.Why does the author think the Internet is a world without frontiers
Step 2　细读——逐段获取细节
答案　The Internet has the power to connect people across the world to a single shared community.
2.What is the function of the last sentence of the first paragraph
答案　To introduce the following content.
Ⅱ.Read Part 2 carefully and do the following exercises.
1.How does the author support his argument in Para.2
答案　List examples.
2.Please use two adjectives to summarize the advantages of searching online，and find out the original information to support your ideas.
______________________________________________________________________________________________________________________________
______________________________________________________________________________________________________________________________
Quick：With the click of a mouse or the touch of a button，it is possible to find out almost anything we care to know...
Easy：In the time it takes to find one book in the library，we can use a search engine to bring up millions of results.
3.What’s the meaning of the phrase “at our fingertips” in Para.2
A.Easy to get.
B.Difficult to know.
C.Very near.
D.Around the corner.
√
4.What does the sentence “Gone are the days of searching shop after shop for the perfect pair of boots” in Para.3 mean
A.A person may spend many days to buy a pair of boots.
B.People can buy whatever they want on the Internet.
C.Buying a pair of boots is easy for people on the Internet.
D.We can find many shops on the Internet.
√
5.What’s the tone of the author in paragraph 3 Why does the author write in such a way
答案　Casual and relaxing.
It’s easier for the author to convince us of the convenience.
6.What can we learn from the third paragraph
A.All the people buy their clothes on the Internet.
B.We can buy anything on the Internet.
C.The Internet makes our life more convenient in many ways.
D.We have to go to the travel agency to arrange our travel.
√
7.From the perspective of the author，what is the most important advantage of the Internet
A.Connecting people across the world to a single shared community.
B.Quick and easy access to a huge amount of information.
C.Making our lives unbelievably convenient.
D.Establishing and maintaining social ties.
√
8.Which word can be used to replace the word “maintain” in Para.4
A.Destroy. B.Measure.
C.Keep. D.Repeat.
√
9.According to paragraph 4，what are the convenient communication ways brought by the Internet
答案　An instant message，a group chat，a video call，a comment on an update.
Ⅲ.Read Part 3 carefully and do the following exercises.
1.What is the author’s attitude towards the Internet
A.Subjective. B.Objective.
C.Uncaring. D.Doubtful.
√
2.What should we be mindful of when dealing with the Internet
We must be aware of the potential of using the Internet and be careful to use it and .
problems
properly
responsibly
3.The last sentence of the essay and the echo each other(前后呼应).
title
Ⅳ.Read the whole passage and do the following exercises.
1.What is the genre of this passage
A.Exposition.
B.Narrative writing.
C.Argumentation.
D.Practical writing.
√
2.What is the purpose of this passage
A.To show the various advantages of the Internet.
B.To tell people to focus on the disadvantages of the Internet.
C.To call on us to use the Internet as frequently as we can.
D.To tell us the Internet has brought many life-changing advantages，but
we should be aware of its potential problems.
√
答案　To express the power of the Internet：it can do countless things for people.
3.Why is the word “frontiers” used in the title
答案　(1)Using the cohesive(衔接的) device.
(2)Giving examples.
(3)Making comparisons.
4.Work in groups to figure out what writing skills the author uses to support the argument.
1.Can you think of some other advantages not mentioned by the author？(Creative thinking)
2.The author mentions in the conclusion that the Internet has its problems.What do you think the problems are？(Critical thinking)
Step 3　读后——讨论深度理解
The Internet has the power 1. (connect) people across the world to a single 2. (share) community.Billions of people in different parts of the world have joined it already，and 3. (obvious) many more will follow.We can achieve almost anything online—with access 4.__
the Internet come some truly life-changing advantages.One of the greatest advantages of the Internet lies in the quick and easy access to a huge amount of information.No wonder the Internet has now become the first place that the 5. (major) of people turn to for information.
The Internet has also made our lives unbelievably convenient，
Step 4　总结——课文语法填空
to connect
shared
obviously
to
majority
with all sorts of goods and services 6. (provide) by electronic commerce.Above all else，the Internet helps us establish and maintain 7._______(society) ties.No matter where we are，we are able to keep in contact with loved ones.However,8. the Internet brings many valuable advantages,9. (connect) has its problems.We must be aware of these problems and be careful to use the Internet properly and responsibly.Only in that way can the Internet be 10. place of discovery，wonder and inspiration for everyone.
provided
social
while
being connected
a
Step 5　解读——长句难句分析
1.We can achieve almost anything online—with access to the Internet come some truly life-changing advantages.
[句式分析]　with access to the Internet...advantages是 结构，介词短语提前，起 作用，正常语序是_________________________
_______________________________________。
[自主翻译]　___________________________________________________
_______________________________________________________________
完全倒装
强调
我们在网上几乎无所不能，接入互联网带来了一些实实在在的改变我们生活的好处。
some truly life-changing
advantages come with access to the Internet
2.No wonder the Internet has now become the first place that the majority of people turn to for information.
[句式分析]　此句是 句。No wonder(that)...是固定句型，意为“___________”。that the majority of people turn to for information是
从句，当先行词被序数词或形容词最高级修饰时，只能用 而不能用which来引导定语从句。
[自主翻译]　______________________________________________________
复合
难怪……
定语
that
难怪互联网现在已经成为大多数人查找信息的首选途径。
3.Gone are the days of searching shop after shop for the perfect pair of boots...
[句式分析]　此句是 句。作表语的分词Gone前置，句子使用________，正常语序是 。
[自主翻译]　___________________________________________________
_______________________________________________________________
倒装
全部倒装
为了买一双理想的靴子，一家店接一家店去寻找的日子一去不复返了……
The days...are gone
4.However，while the Internet brings many valuable advantages，being connected has its problems.
[句式分析]　此句是 句。while引导 从句，being connected为动名词短语作 。
[自主翻译]　___________________________________________________
_______________________________________________________________
复合
让步状语
主语
然而，尽管互联网有诸多宝贵的优势，“互联”却也有其自身的问题。
5.Only in this way can the Internet be a place of discovery，wonder and inspiration for everyone.
[句式分析]　此句是 句。句中“Only＋介词短语”置于句首，句子使用 ；其结构为“Only＋副词/介词短语/状语从句＋________
_______________________”。
[自主翻译]　___________________________________________________
_______________________________________________________________
部分倒装
倒装
情态动词
唯有如此，互联网才能成为每个人的发现之地、奇妙之所、灵感之源。
/助动词/be＋主语＋其他