一、Primary Colors托福听力原文： NARRATOR:Listen to part of a lecture in a studio art class. MALE PROFESSOR:OK...As-as you probably know,colors are,speaking,the basic colors from which all other colors can be ...

When OK Go were asked to appear on Sesame Street, the result was always going to be great. Their contribution, a song and stop-motion animation explaining the primary colors, is wonderful. Show it to ...