What kind of symbols can be used in our note-taking？（）
What kind of symbols can be used in our note-taking？（）
A.Punctuation marks.
B.Chemical symbols.
C.Arrows symbols and line symbols.
D.Mathematical symbols.
正确答案：Punctuation marks.Chemical symbols.Arrows symbols and line symbols.Mathematical symbols.
Tag：英语听力技巧与应用
时间：2023-12-22 15:05:43