JT1-CZ2000型主机的电缆连接插座X22的电缆的功能是什么?
参考答案:
提供机车信号条件给监控装置
--- Is Dongting Lake the largest lake in China?
--- No, it’s the second ____ one ____ all the lakes in China.
A.large, in
B.largest, of
C.larger, of
D.the largest , in
0摄氏度就是没有温度______.(判断对错)