【单选题】—Jack, this is the third time that you have been late this week. —Sorry, sir, but I was _____ for 15 minutes on the way.
【单选题】用交换机连接两个不同速率的局域网,由两个网段组成扩展局域网,下列说法错误的是________
【单选题】The Clarks' three sons Tom, John and Jack are 12, 14 and 15 years old ______.
【判断题】调车指挥人须确认调车进路上的所有道岔位置正确并锁定、调车进路准备好、人员处于安全位置后,方可向司机显示道岔开通信号,发出动车指令。
【判断题】调车指挥人须确认调车进路上的所有道岔位置正确、调车进路准备好、人员处于安全位置后,方可向司机显示道岔开通信号,发出动车指令。
【判断题】调车指挥人须确认调车进路上的所有道岔位置正确并锁定、调车进路准备好后,方可向司机显示道岔开通信号,发出动车指令。
【单选题】—Jack, this is the third time that you have been late this week. —Sorry, sir, but I was ____ for 15 minutes on the way here in the traffic jam.
【多选题】道岔位置正确指的是
C.
开放信号时,进路上有关的道岔应处于开通该进路的位置
【单选题】How much lime does it take Jack to learn the Knowledge?
【单选题】We learn from the passage that_____.
A.
Scott McGinnis has been a Chinese teacher for 15 years
B.
Jackie Chan is a Chinese teacher at McCormick Elementary School
C.
Chicago officials ire required to learn Chinese
D.
Scott McGinnis is good at giving his opinions on everything