【简答题】P: Excuse me. Can I ask something about high-speed train? C: . P: How often does high-speed train go to Nanjing? C: . P: How long does it take? C: ...
【判断题】分析非周期信号的频谱的工具是傅立叶级数。
【简答题】A.He believes what the announcer says. B.He thinks that the announcer is very good at her work. C.He does not have a good opinion of the announcer. D.He thinks that they should do what the announcer s...
【单选题】He was very of his shortcomings.
【简答题】自动选型有一个好处,当更改继电器( ) 时,通过自动选型选择( )的继电器后,原理图中继电器的所有连接点会( )。
【单选题】听力原文:M:Be quiet, please. Can I remind you what you should do? W: Certainly. Go ahead, please. M:Don't touch the electricity and put everything in order. OK? W:Sure! Can you guess what the man is?
C.
Maybe a meeting organizer.