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【单选题】
以下关于CRH1A型动车组IDU的说法，正确的是（）。A.
当动车组运行当中，IDU程序死机将会导致紧急停车
B.
IDU只是纯粹的监测单元，无法输入控制指令
C.
IDU的各种登陆密码都只能取得一种控制权限
D.
只有激活端的IDU界面上才显示有“互锁”菜单
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【简答题】He spends $120 on e_____________(娱乐).
【简答题】阅读理解。 On Nov.18th, 1908, three men went up in a balloon (气球). They started early in London. The headman was Augusta Gaudron, and the other two men were Tannar and Maitland. They had a big balloon and ...
【简答题】The rates went up this ()
【简答题】阅读理解. On Nov. 18th, 1908, three men went up in a balloon(气球). They started early in London. The headman was Auguste Gaudron, and the other two men were Tannar and Maitland. They had a big balloon and ...
【多选题】有关尺寸标注,说法正确的是:
A.
定形尺寸尽可能标注在表示形体特征明显的视图上；定位尺寸尽可能标注在位置特征清楚的视图上。
B.
同一形体的尺寸应尽量集中标注。
C.
平行排列的尺寸应将较小尺寸注在里面（靠近视图），大尺寸注在外面。
D.
尺寸应尽量注在视图外边，相邻视图的相关尺寸最好注在两个视图之间，避免尺寸线、尺寸界线与轮廓线相交。
【简答题】The retail sector was __________ hard when interest rates went up again this month.
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