the writing brushes ____ bamboo and animal's hair

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/29 12:45:05
the writing brushes ____ bamboo and animal's hair
x)+HU(/,KWH**-H-Vܤ|ļ MQ/VH,I*'C~ =Ɏ]~fY-i}͝l{z^4T*U<ыqC³n[f%z6g6ӈHZV

the writing brushes ____ bamboo and animal's hair
the writing brushes ____ bamboo and animal's hair

the writing brushes ____ bamboo and animal's hair
因为毛笔的构成没有经过化学的变化,只是形 态的变化,没有本质的变化

be made of 可以看出原材料,而be made from 看不出原材料。 所以是 are made of。
望采纳!

are made of