【单选题】热电偶热电动势的大小只与结点温度的高低有关,而与线材其它部分的温度无关。这一结论的实用意义是( )。
【简答题】在热电偶中,热电动势的大小与两种导体材料的热端和冷端的()有关。
【单选题】Doctor:__________?Patient:I,m much better.My stomach problem is gone.Now I just feel hungry.
A.
Do you have anything to declare,Sir
B.
Good mornin9.May I help you
C.
How are you feeling today
D.
What seems to be the problem
【单选题】刚体转动惯量实验中,以下仪器中,没有用到的是( )
【单选题】热电偶热电动势的大小只与结点温度的高低有关,而与线材其他部分的温度无关。这一结论的实用意义是_______。
【判断题】热电偶的热电动势输出不仅与两接点温度及材料的性质有关,还与两种材料的中间各点温度、形状及大小有关。
【单选题】Doctor: ______ ? Patient: I'm much better. My stomach problem is gone. Now I just feel hungry.
A.
Do you have anything to declare, sir
B.
Good morning. May I help you
C.
How are you feeling today
D.
What seems to be the problem
【判断题】“给她一束花”这个双宾句中,近宾语是“她”,远宾语是“一束花”。( )
【单选题】Which of the following speech act belongs to the category of directives?
A.
“You did a very good job.”
D.
“I declare the first prize winner is Rose.”