Challenging Yourself II
Wild Antarctica
Warming up
Antarctic
Arctic
South Pole
North Pole
ant-/anti-: opposed to
Antarctica holds the key to the earth's
story and to ours.
Discussion
How do you understand the sentence?
1. Antarctica is one of the last real wilderness left on the earth.
2. Antarctica becomes the biggest laboratory in the world, with
many scientists doing research there.
3. Antarctica holds 90 percent of all the world’s ice. If all the
ice melted, the world’s oceans would rise by 60 meters.
wilderness:
undisturbed wild natural
areas
Contents
Looking Ahead
Getting Ready
Reading
Language Focus
Further Reading
Comprehending
Looking Ahead
u Learn about Antarctica.
u Learn compound words with the suffix –free.
u Practise talking about environmental protection.
u Learn to write a passage with given cues.
Period 1
1. Watch the short movie and then try to describe
something you've seen in the movie.
It’s covered by snow and ice everywhere.
Flowers and trees do not grow here.
No land animals live in Antarctica. Only penguins live
near the water.
the Aurora Australis /the southern lights
2.
continents Australia
coldest windiest
thick
temperature
blow Penguins
animals
trees
weather
snow
(p.57, Task 1 in the student book)
3.
F
N
F
N
F
(p.57, Task 2 in the student book)
N
N
N
1. What is the main idea of the text?
Antarctica is one of the last real wilderness
left on the earth, which has attracted much
attention from people, but meanwhile, it is
threatened by the increase of scientific
research and tourism.
2. The first and last paragraphs share the same
keyword. Can you find it?
Wilderness
3. Pair work.
1). Partner A will finish the first part of the chart
and partner B the second part.
2).Both of them need to scan the text and complete
their own task.
3).Then share each other’s information and finish the
chart in the book.
(p.59, Task 1 in the student book)
Student A
Student B
agreed to sign the Antarctic Treaty
arrive every summer to carry out research project
s
Antarctica was a green and living place
such a huge ice broke away
will visit Antarctica this year
Tips: Paying attention to
the numbers in the
text is a part of
of scanning.
Check the answer together.
the world’s ice Antarctica holds
carry out/conduct/ do (a) research
to become loose and no longer
attached to something
4.Group competition
1). Choose one host and three judges for the
competition.
2). There are two parts in the competition. In Part 1,
there are five questions (2 points for each
question) and each group chooses one question to
answer. In part 2, discuss the questions on the
screen with group members and then each group
choose one representative to give a short talk
(the judges give the score between 1 to 5 points
according to the talk).
Part 1
1. Read the text in 3 minutes.
2. Each group chooses one number in
the following to answer the question.
1 2
3
4
5
1) The sentence “Antarctica is one of the last real
wildernesses left on the earth.” means _______.
A. Antarctica is now the last place people can go
B. Antarctica is now the only continent no single
person has set foot on
C. Antarctica is now one of the few places on the
earth whose environment has not been totally
changed by man
D. human beings have completely explored Antarctica
c
2) The Antarctic Treaty signed in 1961 said that
Antarctica was a _______ place and could only be
used for _______ purposes.
A. nuclear; peaceful B. nuclear-free; war
C. non-nuclear; peaceful D. nuclear; military
c
3) The word “this” in the sentence “This means that t
he ice is slowly melting.” (Para. 4) means _______.
A. research has been done
B. scientists discovered that all the ice has melted
C. the earth is gradually getting warmer
D. the world’s ocean rises by 60 metres
c
4) The sentence “Sometimes the scientists studying
these changes get dangerously involved in their
own research.” (Para. 5) means _______.
A. sometimes scientists studying the changes are
doing dangerous research in Antarctica
B. sometimes dangerous scientists are taking part
in the research in Antarctica
C. sometimes it is dangerous for scientists
studying the changes to do research in
Antarctica
D. sometimes scientists studying the changes are
not dangerous at all
c
5) The author’s purpose in writing this article about
the future of Antarctica is _______.
A. to express his anger
B. to show his love
C. to show his concern
D. to express his sympathy
c
Part 2
1. Each group has 5 minutes to discuss with
group members about the following questions.
2. The representative gives the presentation.
1) What are the threats to Antarctica you can
infer from the text?
2) What should people do to protect Antarctica?
Threats to Antarctica
Some species have been on the verge of extinction;
others have been killed or disturbed.
Waste was thrown into the sea or burnt.
Broken or useless vehicles and aircraft were left where they were.
Both science and tourism have the potential to damage the
environment.
Measures for protection
Protected areas are being set up.
No vehicles are allowed.
Limitations are set up to annual visitors.
People are now educated about protecting the environment.
Conclusion
Homework
Write a passage entitled “Antarctica in Danger”. Start
with the last sentence of the text. You may use some of
the cues provided before. (p.60, Task 4 in the student book)
If we are not careful, Antarctica will not remain a
wilderness for much longer.__________________
_______________________________________
_______________________________________
For a cleaner future of Antarctica, ____________
_______________________________________
_______________________________________
Period 2
Review
Retell what we have learned last period based on
the following words or phrases.
wilderness, sign the Antarctic Treaty, carry out
research projects, 90% ice, rise by 60 metres,
break away, tourism, remain
Underline the words below in the text and get their
meanings. Then share the meanings and skills you use
with the whole class.
treaty, is made up of, surface, million, mass,
decade, chunk, break off, float away into,
get involved in, outnumber, tourism,
go mountaineering
Treaty: formal agreement
between countries
and people
continent
make up sth.: to combine
together to form something.
ten years
the business of
providing things or
places for pleasure.
to surpass in number
to surpass in talking
to surpass in thinking
1. Antarctica is one of the last real wildernesses left
on the earth.
2. Antarctica became the biggest laboratory in the
world, with many scientists conducting research
there.
3. In 1968 a huge piece of ice measuring 15,000 square
kilometers broke away.
Structures with participles
participle as the attribute
participle as the attribute
participle as the object complement
Think about some phrases with the word “break”.
Try to explain them and then make up a sentence
for each phrase.
break off:
break away from:
break down:
break through:
break up:
break out:
break in:
break into:
to become loose without attached to something
to move away from sb.
to fail or stop working in a successful way
to manage to do something successfully in spite
of difficulties
to break into small pieces
to take place
to interrupt someone during the speaking
to enter a building by using force, in order
to steal something
G
F
D
B
H
A
C
E
?
• Match the word on the left with its definition on the
right.
a treaty
a document
do
conduct
carry out
a meeting
90% of the world’s
ice
a record
by 60 metres
to 60 metres
Choose the words or expressions provided below to complete
the following fork-like diagrams.
conducted
signed
carrying out
move into
hold
Complete each of the following sentences with the
proper form of a word or phrase in the box.
rises/rose/ (is/was) rising
break away
involves
measure
remain
Look at the pictures and guess whether the man is allowed
to smoke here or not. Read the TIPS and check your answer.
B
C
E
A
F
D
?
Period 3
radiate (v.) +ion
radiation (n.) 放射
protect (v.) +ive
protective (a.)
atmosphere (n.) +ic
atmospheric (a.)
Can you use another word
to replace region?
Look at the picture and discuss the questions with
partner. You can predict it according to task 1.
1) What does Antarctica look
like in the picture?
2) Is it a real hole over Antarctica?
And how do you know?
3. Read the text and decide whether the following
statements are true (T) or false (F).(p.63, Task 1 in
the student book)
T
F
F
F
T
4. Work in pairs and answer the following
questions.(p.63-64, Task 2 in the student book)
1) Why is the ozone layer so important to human
beings?
2) Have the American scientists found the cause
of the ozone loss?
Because the ozone layer blocks much of the sun’s
dangerous ultraviolet radiation.
No, they have not.
3) What are the two purposes of the American scientists’
trip to Antarctica?
4) Have the American scientists found any solution to the
problem of the ozone decrease over Antarctica or not?
How do you know?
5) Did British scientists and American scientists have the
same discovery? Underline the evidence in the text.
No, they have not.
Yes. The evidence can be found in Para. 2.
They hoped to discover some reason for the yearly change
in the Antarctic atmosphere, and find out if the decrease
in ozone could be the beginning of a worldwide problem.
5.
A
B
(p.64, Task 3 in the student book)
C
C
C
attempt [ə'tempt]
v. attempt to do sth. = try to do
sth.
n. make an attempt to do sth./in
an attempt to do sth. (in para. 4)
Work out the new words or phrases in
the text with partner.
to show sth. is
truecontinuing for a short time
happening or done at on
ce without delay
tools
n.
Find the words or expressions that describe
“changes on the amount” in the text.
a decrease in the amount of …
return to normal
loss
about the same
increase steadily
40% below…
grow in size
the yearly change in…
…
Homework
Scientists hope to find out if the decrease in ozone
could be the beginning of a worldwide problem. Discuss
with your group members some other worldwide problems
you know and do a report next class.