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YDT • İngilizce 2. ADIM • 3. DENEME

30. According to the passage, scientists are planning to
29. - 31. soruları aşağıdaki parçaya göre cevaplayınız. create a shadow ----.

The poles of the world are warming at a rate far above the A) by releasing water particles into the atmosphere
global average, causing heat waves, melting and pouring B) with the help of articles published in scientific journals
glaciers into the sea, and rising water levels worldwide. C) by allowing refreezing by 2°C per year
Scientists are looking for ways to slow this melting. The
D) in the middle parts of the atmosphere
latest study, published in a journal about environmental
E) during the spring and summer, when the days are
issues, takes a different approach: cutting off the sunlight
longer
from the poles and lowering the temperature to allow
refreezing. According to the study, the microscopic
particles will be released into the atmosphere by jets
that are supposed to fly above the altitude at which the
passenger jets are travelling. After being released, they
will slowly slide towards the poles and cast a shadow on
the surface below them. Particles will be released into
the atmosphere during the spring and summer, when
the region has longer days. A single fleet will be able to
spray both poles in different seasons. With the operation
of a fleet of 125 tanker jets, it is thought that the poles
can be cooled by 2°C per year. This temperature is close
to the temperatures of the poles in pre-industrial times.
Although the cooling of the poles will protect a small area
of the planet, the middle parts of the hemispheres will
also be slightly affected.

29. What solution has been recommended to increase 31. It can be inferred from the passage that ----.
the freezing at the poles?
A) world’s temperature has increased by 2°C since
A) Operating a fleet of 125 tanker aircraft flying at industrialisation began
high altitudes above the poles
B) jets will not be used to release the microscopic
B) Creating a shadow on the surface with the help of particles into the atmosphere
clouds full of water C) the poles are warming faster than most places
C) Reducing travel rates by passenger jets to lower in the world
the atmosphere’s greenhouse gases D) the use of jets will contribute to global warming
D) Releasing tiny particles into the atmosphere, more than expected
which blocks sunlight from reaching the poles E) the middle parts of the world will greatly be
E) Working to slow the melting by stopping climate affected by the refreezing of the poles
change and other environmental issues

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