外研版（2019）选择性必修 第二册 Unit4 Breaking boundaries Vocabulary & Starting out 课件(共20张PPT，内嵌音频)

(共20张PPT)
Vocabulary & Starting out
1．Learn the new words of Unit 4.
2．Get a basic understanding of our today’s world.
Activity 1　Read the words after listening.
n.分界线；边界
v.协助，帮助
v.处理，对付(难题)
adj.极其重要的
adj.传染性的
n.爆发，突然发生
n.奉献
adj.(目标、希望)能够实现的
1．boundary
2．assist
3．tackle
4．vital
5．infectious
6．outbreak
7．devotion
8．realistic
Activity 2　Say the meaning of the following words and then read them together loudly.
9．minority
10．cast
11．joint
12．harmonious
13．rewarding
14．mount
15．civilian
16．division
17．liberty
18．dedicate
19．altogether
20．influential
21．communist
n.少数派；少数
v.选派(角色)
adj.联合的，共同的
adj.和睦的，融洽的
adj.值得做的，有意义的
v.走上，登上
adj.平民的；百姓的
n.分歧，分裂
n.自由
v.致力于，献身于
adv.完全
adj.有影响力的
adj.共产主义的
Activity 3　Learn other forms of some words.
1．assist v．协助，帮助→assistance n．帮助，援助→assistant n．助手，助理；管理员adj.助理的
2．relieve v．给(某人)换班；使减轻；缓解→relief n．减轻或解除；减轻痛苦的事物
3．infectious adj.传染性的→infect vt.感染，传染→disinfect v．为……消毒，给……杀菌
4．devotion n．奉献→devote vt.致力于；奉献→devoted adj.献身的；忠诚的
5．minority n．少数派，少数→majority n．(反义词)多数
6．harmonious adj.和睦的，融洽的→harmony n．和谐，协调，融洽
7．rewarding adj.值得做的，有意义的→reward n．报酬，奖金vt.酬劳，奖赏
8．influential adj.有影响力的→influence n．影响，作用v.影响，对……起作用
Activity 4　Fill in the blanks with the correct form of the words in brackets.
1．Few people are able to ______ themselves fully to their careers.Once they are _______ to them，their ________ must bring them success.(devote)
2．Only if people live in _________ with each other can we have a __________ society.(harmonious)
3．She’s very good at making friends and ___________ people，so she has a great _________ on me and I like this ___________ girl.(influence)
4．Tom is an _________ teacher in the college.He often _______ the students with their problems and gives __________ to any student in need.(assist)
devote
devoted
devotion
harmony
harmonious
influencing
influence
influential
assistant
assists
assistance
Activity 5　Learn some phrases.
1．_______________心存侥幸，冒险
2．______________朋友，同事，(尤指战争期间的)战友
3．______________把……置于危险中
4．______________更不用说
5．______________为了纪念
6．______________以巨大的代价
7．______________使产生，使出现
8．______________从事，参与
9．______________从更大的意义上来说
10．_____________白白地；徒劳
take any chances
comrade in arms
put...at risk
not to mention
in memory of
at a great loss
bring forth
engage in
in a larger sense
in vain
Activity 6　Fill in the blanks with the phrases above.
1．He has two big houses in this country，______________ his villa in France.
2．I tried to avoid being made fun of by those noisy children，but _______.
3．Despite her illness，she remains actively __________ shaping policy.
4．With the Dragon Boat Festival approaching，we are planning to hold a dragon boat race ____________ the famous poet，Qu Yuan.
not to mention
in vain
engaged in
in memory of
Before you watch
1．Do you know how many people there are in the world
2．Which continent contains the largest population
3．What percentage of world population do developing countries make up
1．What is used in the video to illustrate(阐述) a global issue
2．Which figure of speech(修辞手法) is used in the video
3．What do the statistics represent
While you watch
Activity 1　Watch and Answer
1．What is used in the video to illustrate(阐述) a global issue
statistics examples
charts pictures
√
2．Which figure of speech(修辞手法) is used in the video
Analogy(类比)．
3．What do the statistics represent
In today’s world，the global population is growing fast and we are connected more closely but there are still large populations suffering from all kinds of problems.
Match the statistics with what they represent.
population of the whole world
population of global village
population that each person in the global village represents
number of people from Asia in the global village
number of people speaking English
number of people in developing countries in the global village
number of people having no access to drinking water
100 61 80 74 million 5 31 74 billion
74 billion
100
74 million
61
5
82
31
Imagine yourself representing China as a member of the village. What could you do to contribute to our common home
Activity 2　Watch and Think
1. What kind of problems do the pictures show
boundaries in language
boundaries in geography
boundaries in manners
After you watch
Task 1
2. Which of these problems have you experienced Give an example.
Task 2　Complete the passage and read it carefully
Today’s World
The population on Earth is currently over 7.4 1._______(billion)，and it’s growing fast！2.________(learn) more about this huge population，let’s first imagine our world as a village.It’s a small village with a population of just one hundred.Each person in the village 3.__________(represent) 74 million people who inhabit the planet.Half are male and half are female.As you would expect!
Sixty one people in this village are from Asia，and 19 of those，are Chinese.Well，China is a big country 4.____ a lot of people!
billion
To learn
represents
with
Twelve people speak Putonghua as their native language,5._____ five speak English as their native language.
Eighty two people in the village come from developing countries.And 31 of these people have no access 6.__ drinking water and sewage systems.Outrageous! Without 7._____(base) sanitation，they run the risk of 8.__________(become) very sick.
In the village，there are 56 people with access to the Internet and there are 77 mobile phones.But some people own two or more of those phones.
Perhaps the 9.________________(astonish) thing about this village is that 40% of its wealth 10.________(own) by just one individual!
while
to
basic
becoming
most astonishing
is owned