Silk ______ one of the primary goods traded along the Silk Road by about 100 BC.
—He can dance and sing.
They are looking forward to an exciting vacation.
材料一 马克思说:“美洲的发现,绕过非洲的航行,给欧洲资本主义的发展开辟了新天地”材料二 “中世纪中期的宗教文化……处处崩裂有声,一些裂缝日益扩大,关于人的新鲜思想的涓涓细流从中流出”