Page 49 - 3 ADIM DENEME SINAVI YDT KİTAP 3.ADIM

YDT • İngilizce 3. ADIM • 2. DENEME

39. It can be understood from the passage that
38. - 40. soruları aşağıdaki parçaya göre cevaplayınız. scientists ----.

Computer models estimate that by the end of the A) anticipate that humans will increasingly be able
st
21 century, the average temperatures on Earth will to control the weather and natural disasters in the
have risen from 1.1°C to 6.4°C over the 1980–1990 future
average global temperatures. The projections are B) predict global climate change is projected to
based on a ‘business-as-usual’ scenario, with no reach a maximum of 4°C by using central model
checks on existing emissions trends. The wide range parameters
represents the best estimates grounded in varying C) are sceptical about several aspects of climate
assumptions about some aspects of climate change change; thus, their projections are based on
that scientists are still uncertain about. The most differing assumptions
optimistic climate models predict a minimum increase
D) expect that the positive effects of global climate
of 1.1°C by the end of the century. According to the
change will outweigh the negative ones in the
most pessimistic models, the increase could be as
future
high as 6.4°C, although a 4°C increase is more likely.
E) believe the projected temperature changes for
What do these kinds of temperature changes mean
oceans will have increased by 1.8°C by the end
for ecosystems and for human well-being? Even a
of the century
modest increase of 1.8°C in surface temperatures is
expected to raise sea levels by up to 0.38 metre and
drop ocean pH by at least 0.14 pH unit. Summer sea
ice is expected to vanish by the end of the century.
Extreme weather events, such as hurricanes, floods,
and severe droughts, are anticipated to become more
common in the future. Many species are likely to die
out. Agricultural productivity is anticipated to rise in the
northern latitudes while falling in the rest of the world.

38. According to the passage, by the end of the 40. What is the passage mainly about?
century, ----.
A) The human role in future climate
A) there will be fewer extreme weather events if B) Predictions of future global climate and their
scientists take appropriate actions possible impacts
B) over half the species of plants and animals on the C) The worst-case climate change scenario
planet will have faced extinction
D) Problem-solving approaches to the impacts of
C) it is likely that there will be enough food to nourish climate change
the growing world population
E) Tackling global changes for a sustainable future
D) the effect of climate change will be slight if Earth’s
temperatures warm by a minimum of 4°C
E) our planet’s average temperature could be between
1.1°C and 6.4°C warmer than it is today

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