【单选题】听力原文: We cannot feel speed. But our senses let us know that we are moving. We see things moving past us and feel that we are, being shaken. We can feel acceleration, an increase in speed. But we notic...
【单选题】听力原文: We cannot feel speed. But our senses let us know that we are moving. We see things moving past us and feel that we are being shaken. We can feel acceleration, an increase in speed. But we notice...