语言符号的任意性是指我们可以任意给事物或现象命名。
参考答案：
Cindy shut the door heavily and burst into tears. No one in the office knew__________she was so angry.
A．where
B．whether
C．that
D．why
有关五行相乘，下列哪个说法是正确的
A．子气有余，则传乘其母
B．母气有余，则传乘其子
C．气有余则制己所胜
D．气有余则乘己所不胜
