对于大多数TDMA系统如（）都需要在（）中进行频率容限的测试。
参考答案：GSM；调制域
Reporters are _______ to get all facts straight, present their stories fairly and never give opinions that are objective.
A. believed
B. supposed
C. thought
D. considered
五行相乘，下列哪种说法是正确的
A．母气有余而乘其子
B．子气有余而乘其母
C．气有余则制己所胜
D．气有余则乘己所不胜
E．气不及则己所胜侮而乘之
