Question

A table is made ________ wood and a piece of paper is made _______ wood, too.

[　　]

A. from, from

B. of, of

C. of, from

D. from, of

Answer 1

答案：C
提示：

be made from“由……制成，由……构成”，指从原料到制成品，发生了质的变化，看不出原材料(化学变化)；be made of“由……制成，由……构成”，指从原料到制成品，只发生了形状的变化，仍然看得出原材料(物理变化)。