【简答题】A.He sees it as a wise act. B.He is very interested in it. C.He does not like to do it himself. D.He is uncertain about it.
【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.