【简答题】名片,在西汉时就已广为流传,称之为 “” ,东汉时改为 “” ,又称为 “” 。自从改用纸后,又叫“名纸”,现在统称“名片”
【单选题】—I want to see the film. Would you like to go with me? —____
【多选题】能判断交流接触器已坏的方法有()
A.
在断电时,用手按不动接触器的活动部件,则接触器坏
B.
加电后,在线包上测到有吸合电压(100V以上),但仍不吸合,则接触器坏
C.
测线包电阻,发现电阻很大(远大于200欧姆)
【单选题】I’m thirsty. I would like to drink a cup of water.
【单选题】—I like red and yellow best. —I like red, too. But I __ _ yellow. [ ]
【单选题】— Would you like to come? — Thank you. _____, but I'm busy. [ ]
【判断题】电源系统上电后,接触器仍不吸合,则接触器坏。
【判断题】( )缆线在雷电防护区交界处,屏蔽电缆屏蔽层的两端应做等电位连接并接地。
【判断题】电源系统上电后,接触器仍不吸合,则接触器坏。