题目内容
9.Books are made __________ paper while paper is mainly made __________ wood.( )A. | of; of | B. | from; from | C. | of; from | D. | from; of |
分析 书是由纸制成的,而纸主要是由木头制成的.
解答 答案:C 根据book与paper,可知从书中是可以看出纸这种原料的,故应用be made of.根据paper和wood可知从纸张中是看不见原材料木头的,故应用be made from.故选C.
点评 本题考查be made of与be made from的区别.找出制成品与原材料,如果能从成品中看出原材料就用be made of,否则就用be made from.
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