问题
选择题
23. The writing brushes ____bamboo and animal’s hair.
A．are made of
B．is made from
C．is made of
D．are made up
答案
答案：A
考查短语辨析。短语be made of由……组成，看得出材料，be made from由……组成，看不出材料。根据句意可知为看得出材料，故选择A。
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