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9. Sınıf Theme 8: Life in the Universe & Future: Skimming, scanning and detailed reading Test 3

SORU 1

Dr. Anya Sharma: 'The recent discovery of phosphine in Venus's atmosphere has truly reignited the debate about life on other planets. While it's not direct evidence of life, it's a biomarker that warrants further investigation.'
Tom Carter: 'But isn't Venus an incredibly hostile environment? Crushing atmospheric pressure, scorching temperatures... how could anything survive there, let alone produce phosphine?'
Dr. Anya Sharma: 'That's precisely why it's so intriguing, Tom. The known chemical processes don't easily explain such quantities of phosphine without some form of biological activity, even if it's microbial. We have to consider extremophiles or unknown atmospheric chemistry. It challenges our assumptions about where life can exist.'
Tom Carter: 'So, it's less about finding aliens and more about expanding our understanding of life itself?'
Dr. Anya Sharma: 'Exactly. And potentially, finding a completely new kind of life.'

Dr. Anya Sharma'nın Venus'teki fosfin keşfi hakkında neden heyecanlı olduğu parçadan çıkarılabilir?

A) Because it directly proves the existence of intelligent alien life on Venus.
B) Because it confirms Venus is a habitable planet for humans.
C) Because it suggests life might exist in unexpected, extreme environments.
D) Because it explains all known chemical processes on Venus.
E) Because it has no significant implications for the search for life.
Açıklama:
Dr. Sharma, Tom'un Venus'ün 'düşmanca ortam' olduğu yorumuna karşılık, fosfinin bilinmeyen biyolojik aktivite veya ekstrem kimya gerektirdiğini ve bunun 'hayatın nerede var olabileceğine dair varsayımlarımızı zorladığını' belirtir. Bu da onun, yaşamın beklenmedik, aşırı ortamlarda var olabileceği ihtimali nedeniyle heyecanlı olduğunu gösterir.