渝歌发展为《竹枝词》，又经过唐代诗人（）的改造和身体力行的创作，逐渐成为一种独特的诗歌形式。
参考答案：刘禹锡
While many believe Benjamin Franklin to have discovered electricity, recent findings seem to show _____.
A．anyway
B．otherwise
C．somehow
D．so
预防压疮
