今日の読み物　レベル13

◇英検２級の読解問題から

An Itch to Know
Have you ever been bitten by a mosquito or had dry skin in the winter? If so, then you know how annoying an itch can be. But what, exactly, is an itch? Itching seems much like pain in many ways. Both sensations are carried by our nerves, but they are actually very different. Pain has been closely studied by ... レベル13 [英検２級]