口语考试topic汇总.docx

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口语考试 topic 汇总（上学期）
Unit1 ：
Oil price will rise or fall
Rise:
Limited resources
Huge demand
Overpopulation
Expansion of automobiles
War
The monopolization of the US
Offshore areas which can drill much oil become traveling places
Fall:
Substitute
Environmental protection conscious
Less demand
Try to explore oil reserves
(Fluctuate)
Oil can be replaced by more forms of clean resources such as electricity driven automobiles.
Unit 2:
Q1. Why should we make certain effort to protect our earth?
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Many disasters
Threatening temperature/global warming
Different forms of pollution
Consider for human survival
Melt ice-cap in the northern and southern poles, then make the sea level rise. Water would flood away.
Q2. What are the most harmful elements to our environment?
1. Natural elements:
Natural disasters such as earthquake, forest wildfire, volcanic explosion
and so on.
When these terrific events happened, landform changed, forest and sod
were
destroyed,
our
air was
polluted
and
thousands
of
creatures
lost
their lives.
2. Manmade elements:
Inappropriate
human
daily
behaviors
caused
by
human
weak
environmental awareness, such as excessive deforestation and dropping
litters carelessly.
The
disadvantages
brought
by economic
development
and
the
emergence of
the technology
such
as vehicle
emissions
and
nuclear
leakage which can cause irreparable and irreversible damage.
Unit 4:
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Why people would like to explore the outer space?
curious by instinct
any existence of life and signs of water
looking for some alternative resources such as useful mineral
competit