【简答题】You ______ worry so much. It doesn't do you any good. Either you get the job, or you don't. If you don't, just apply for another one. ually, you will find work.(can't/ shouldn't/don't have to)
【单选题】听力原文:M: I don't like picnics because hamburgers and salad are so messy. W: You worry too much about how you look. It doesn't matter if your fingers get a little dirty once in a while. Q: Why doesn't t...
A.
He doesn't like to eat outdoors.
B.
He prefers to eat with a knife and fork.
C.
He has to eat with his hands.
D.
He hates hamburgers and salad.
【简答题】四显示自动闭塞区段,通过色灯信号机显示下列信号,一个黄色灯光——要求列车减速运行,按规定限速要求越过该信号机,表示运行前方有一个闭塞分区( )
【判断题】. 在绘制平面图时,定位轴线画好后,要选择适当的比例才能继续画图。
【简答题】材料的 强度 是材料在应力作用下抵抗外力破坏的能力,它表征材料的力学本性,是材料本身的性质, 包括 强度 、 强度 、 强度 、 强度 。