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YDT • İngilizce 3. ADIM • 5. DENEME

50. It is not unusual for clever animals to have excellent 51. In the last several decades, we have learned more
memory recall for traumatic events, and it would about the structure of a dog’s eye, and with that
seem that the brains of elephants are not any knowledge, we can determine whether or not dogs
different in this regard. experience colour blindness.

A) In general, it seems like mammalian brains are like A) Despite our increased understanding of the nature
those of other animals in that they have a hard time of a dog’s eye over the last many centuries, we are
remembering the details of adverse experiences. still unable to say whether or not dogs are colour-
B) In contrast to the vast majority of other intelligent blind.
animals, elephants seem to have a unique ability B) Since scientists now fully understand how a dog’s
to remember unexpected experiences with varying eyes work, we are able to foresee whether or not
degrees of consistency. dogs will develop colour blindness in the future,
C) It seems that elephants’ brains are no different from which was previously impossible.
those of other smart animals in terms of their ability C) We have learned slightly in recent years about the
to remember painful experiences. structure of a dog’s visual problems, but without this
D) Although it is uncommon for endangered animals knowledge, we would never have explored that they
to have exceptional memory recall for traumatic were colour-blind.
situations, elephants’ brains are quite different from D) Even if we have explored many things about dogs
those of other animals in this respect. recently, whether they are colour-blind or not cannot
E) Considering that elephants’ brains seem to be be determined due to inadequate scientific pieces
almost identical to our own in this respect, it of equipment.
seems unlikely that carnivorous creatures would E) The anatomy of a dog’s eye has been better
have particularly strong memories of unpleasant understood over the last decades, and we can
occurrences. identify whether or not dogs are colour-blind using
this information.

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