【判断题】热继电器是一种利用电流的热效应而自动动作的控制电器,常用来作为电动机的过载保护。
【简答题】继电器是一种用较( )的电流去控制较( )电流的电子控制器件,继电器线圈 通 ( )电流。其实质就是利用 电磁铁来控制工作电路的一种( )。
【单选题】Which is smart casual dress code in the U.K.?
A.
A clean, ironed polo shirt with tie and pressed khakis.
B.
Jeans with a pair of tennis shoes would be a good option.
C.
Blouses or a nice sweater with dressy high heels.
D.
Khakis or dress trousers with flats and matchign accessories.
【单选题】下列内容最符合藏族同胞饮食习惯的选项是()。
【单选题】若数列 { x n } 有极限 , 则在 的 邻域之外,数列中的点( ) .
【单选题】下列内容最符合藏族同胞传统饮食习惯的选项是()。
A.
饮食品种有手抓羊肉、油香、馓子、卷果、和火烧麻蕨猪
【单选题】Whats me function of the mirror in me experiment?
A.
To enable me speaker to dress himself up in the experiment.
B.
To enable the speaker to record his play in the experiment.
C.
To enable the speaker to get more lights in me experiment.
D.
To enable me speaker to watch his actions in me experiment.