问题
问答题 简答题
提速道岔表示电压过车波动时,应重点检查哪些部位?
答案
参考答案:
(1)道床捣固是否良好;
(2)电机接点排有关接点是否完好;
(3)电机里插座与插针接触是否良好;
(4)各部电气螺丝紧固是否良好;
(5)表示器接点有无降压和阻值。
提速道岔表示电压过车波动时,应重点检查哪些部位?
参考答案:
(1)道床捣固是否良好;
(2)电机接点排有关接点是否完好;
(3)电机里插座与插针接触是否良好;
(4)各部电气螺丝紧固是否良好;
(5)表示器接点有无降压和阻值。
选词填空 根据句子意思,从方框中选择恰当的单词填空,部分单词在填入时需要进行词形转换。每个单词只选用一次,每空只填一词,并将其答案写在答题卡中相应题号的横线上。(本大题共10小题,每小题1分,共10分)
—It’s June 26th. 小题2: I don’t know how to get to the supermarket. Can you ______ me the way? 小题3: —Where is the post office? —It’s _________ the hotel and the bank. 小题4: February is the _______ month of the year. 小题5: Jim’s mother usually ________ clothes in the evening. 小题6: It’s a good habit to brush your ________ twice a day. 小题7: —May I use your ruler, please? ________ is at home. —Of course. Here you are. 小题8: Sometimes walking is even _________ than driving during the busy traffic time. 小题9: The baby is sleeping. Would you mind _______ down the TV? 小题10: Come on Monday or Wednesday. ___________ is OK. |