[3강-1] 2024학년도 EBS 수능특강 영어 분석 evolutionary time-scales are long

블로그 자료실
2023. 2. 2. 07:59

[3강-1] 2024학년도 EBS 수능특강 영어 분석

01 밑줄 친 evolutionary time-scales are long이 다음 글에서 의미하는 바로 가장 적절한 것은? In the past there was little genetic pressure to stop people from becoming obese. Genetic mutations that drove people to consume fewer calories were much less likely to be passed on, because in an environment where food was scarcer and its hunting or gathering required considerable energy outlay, an individual with that mutation would probably die before they had a chance to reproduce. Mutations that in our environment of abundant food now drive us towards obesity, on the other hand, were incorporated into the population. Things are of course very different now but the problem is that evolutionary time-scales are long. It's only in the last century or so, approximately 0.00004 per cent of mammalian evolutionary time, that we managed to tweak our environment to such a degree that we can pretty much eat whatever we want, whenever we want it. Evolution has another couple of thousand years to go before it can catch up with the current reality of online food shopping and delivery. * mutation: 돌연변이 outlay: (에너지등의) 소비 tweak: 변경하다 ① not all mutations matter to evolution ② it takes a long time to change the environment ③ evolution is too slow to address modern obesity ④ only the fittest can survive in hostile environments ⑤ obesity is a matter of the environment, not heredity