题干
—What do you think of my new desk ? It ________ wood.
—It looks nice.
A：is made in
B：is made from
C：is made of
D：is made by
答案(点此获取答案解析）
C
—What do you think of my new desk ? It ________ wood.
—It looks nice.
A：is made in
B：is made from
C：is made of
D：is made by
，在H’—NMR图谱上会给出几组峰
