【单选题】--- What courses do you have? ---________
A.
I write my work and activities in my calendar.
B.
We have a lot of courses, such as Design Basis, Clothing Materials, Photoshop, and so on.
C.
My major is Clothing Design.
【单选题】— Hey! Lucas! Have you heard about the selective courses this year? — _______. What about that? [ ]
【简答题】内燃机车提手柄、电力机车进级时,应使柴油机转速及牵引电流()上升。
【单选题】— What courses are you taking? —
【单选题】以下几个频段的无线电波,最适合以天波方式传播的是()。
【单选题】内燃机车提手柄、电力机车进级时,应使柴油机转速及牵引电流( )。
【多选题】下面哪些词语中在读本音和轻声时会出现区分词性和词义的情况:
【判断题】内燃机车提手柄、电力机车进级时,应使柴油机转速及牵引电流稳定上升。当列车不能起动或起动过程中空转不能消除时,应迅速调整主手柄位置,重新起动列车。_______