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YDT • İngilizce 1. ADIM • 4. DENEME

39. It is clearly stated in the passage that ----.
38. - 40. soruları aşağıdaki parçaya göre cevaplayınız.
A) mixed breeds were more skilful than other breeds
In the latest study about dogs, samples of breath and when it came to locating stressed samples
sweat were taken from people who had not previously B) dogs had a high success rate at detecting stress,
consumed food or beverages. Samples were taken both which indicated that this was not a coincidence
before and after a demanding math task, along with C) only samples of thirty-six stressed people were
objective physiological measurements like heart rate presented to dogs after three hours
(HR) and blood pressure (BP). Within three hours of
D) researchers were stunned by the capabilities of
being collected, the samples from 36 participants who
dogs, which they had not expected previously
reported feeling more stressed as a result of the exercise
E) a kibble and clicker are the most effective training
and who also had an increase in HR and BP throughout
tools for dogs
the task were presented to trained dogs. Four dogs of
various breeds and breed mixes had been trained to
match odours in a discriminating task using a clicker
and kibble. Dogs were asked to locate the participant’s
relaxed sample, which was collected just minutes before
the activity began, while the participant’s stressed sample
was collected after the task’s conclusion. Ultimately,
dogs were able to recognise and act in an alert manner
on the sample collected under stress in 675 out of 720
trials, or 93 per cent of the time, which is significantly
more often than would be predicted by chance. The
canines accurately alerted to the stressed sample 94 per
cent of the time when they were first presented with a
participant’s relaxed and stressed samples.

38. It can be concluded from the passage that the 40. What is the passage mainly about?
samples ----.
A) Influences of stress on healthy people
A) were obtained from people who were not hungry B) The most suitable way of conducting an
B) consisted of the blood and sweat of unstressed experiment
people C) High detection abilities of trained dogs
C) were separated from those that had been D) Significance of samples taken from stressed
collected before the task people
D) were effective enough to represent the results of E) Animals’ inability to identify stress, especially
the study dogs’
E) demonstrated the difference between heart rate
and blood pressure

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