货车是指供()和为此服务的(或原则上)编组在货物列车中使用的车辆。货车按用途分为()三类。
参考答案:运输货物;通用货车、专用货车和特种货车
He had dreamed of going there for a long time. But he _______ he would have such an unpleasant experience.
A.needn’t have expected
B.couldn’t have expected
C.mustn’t have expected
D.shouldn’t have expected
读等高线地形图,完成下列各题。
若在丙地建一小型度假村,应特别注意防治的自然灾害是()
A.洪涝
B.滑坡
C.风沙
D.泥石流