题目内容
4. Do you believe that paper is made wood?
—Yes,I do. And you can see that books are made paper.
A. from;from B. from; of
C. of; from D. of; of
4. B
4. B解析:be made of意为“由……制成”,能看出原材料;be made from意为“由……制成”,看不出原材料。“纸是由木材制成 的”,看不出原材料,故用be made from; “书由纸制成”,能看出原材料,故用be made of.
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