- 搜标题
- 搜题干
- 搜选项
单项选择题
A/An ( ) is made up of two trigrams, and there are 64 of them in the Book of Changes.
A/An ( ) is made up of two trigrams, and there are 64 of them in the Book of Changes.
A、trigram
B、hexagram
C、octagram
D、septgram
