paper is made ----- wood ahd this desk is made ---- wood ,too.填适当的介词
问题描述：
paper is made ----- wood ahd this desk is made ---- wood ,too.填适当的介词
答
from ofbe made of 和 be made from 都表示“由.制作而成”的意思.但是be made of可以看出原材料,属于物理变化,be made from不可以看出原材料,属于化学变化.此题中,desk 由木头制作而成,木头,我们可以通过肉眼观察....