A funny thing happened to me last Friday. I’d gone to London to do some shopping and by early afternoon I’d bought everything I wanted. So, I took a taxi to Waterloo station. I can’t really afford taxis, but I wanted to get the 3:30 train. Unfortunately the taxi got stuck in a traffic jam, and by the time I got to Waterloo, the train had just gone. I had to wait an hour for the next one. I bought a newspaper and wandered over to the station buffet. At that lime of day it was nearly empty, so I bought a coffee and a packet of biscuits. There were plenty of empty tables and I found one near the window. I sat down and began doing the crossword.
After a couple of minutes a man sat down opposite me. There was nothing special about him, except that he was very tall. In fact he looked like a typical city businessman. I didn’t say anything and I carried on with my crossword. Suddenly he reached across the table, opened my packet of biscuits, took one, dipp
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[单项选择]钢管焊接时，对口时纵向焊缝应放在管道中心垂线上半圆的45°左右处，纵向焊缝应错开；管径小于600mm时．错开的间距不得小于lOOmm；管径大于或等于600mm时，错开的间距不得小于（）mm。
A. 100 B. 200 C. 300 D. 400 [单项选择]患者男性，52岁。近日外感，现汗出恶风，时有寒热，周身疫楚，苔薄白，脉缓。其最佳方剂为（）
A. 玉屏风散 B. 甘麦大枣汤 C. 当归六黄汤 D. 桂枝汤 E. 参附汤 [单选题]关于先期处置表述错误的是: 。
A.先期处置人员不能接触或移动可疑爆炸物,并尽可能远离可疑爆炸物。 B.属地公安派出所及相关警种、部门快速出警,以距可疑爆炸物不小于 80 米的半径,设定警戒范围,疏散群众,保护现场, 疏导交通或实施交通管制。 C.开展调查走访,了解收集现场信息。 D.消防、救护人员在现场内部集结待命,做好救援准备, 必要时切断现场水电气,移除现场易燃易爆物品。 [判断题]施工作业过程中,设备管理单位应正确封锁前准备施工线路开通和逐步提速等关键环节进行监控,正确线速度变更执行施工单位和设备管理单位共同检查签认制度。( )
A.正确 B.错误 [单项选择]社区医院最后一次访视时间为产后（）
A. 14目 B. 28日 C. 42日 D. 7日 E. 21日 [多选题]扣件式钢管模板支架立杆底部通常应设置()。
A.底座 B.通长木垫板（板长大于2个立杆间距）板厚不小于50mm C.混凝土底板 D.钢柱脚 E.素土 [不定项选择题]对于一级评价项目，下列说法正确的是()。
A.评价范围小于50km条件下，须调查地面气象观测资料，并按选取的模式要求，补充调查必需的常规高空气象探测资料 B.评价范围大于50km条件下，须调查地面气象观测资料和常规高空气象探测资料 C.地面气象观测资料调查要求调查距离项目最近的地面气象观测站，至少连续3年的常规地面气象观测资料 D.如果地面气象观测站与项目的距离超过50km，并且地面站与评价范围的地理特征不一致，还需要进行补充地面气象观测 [单选题]竖向钢筋电渣压力焊机焊接导线长度不应大于（）m。
A.40 B.30 C.50 D.60 [多选题]公安机关装备管理应当严格执行有关法律法规规定,遵循( )的原则
A.整体规划 B.标准配备 C.权责相应 D.规范管理 [判断题]根据我国现行有关交易制度，B股和权证实行当日回转交易，债券实行次交易日起回转交易。( )
[单选题]关于无地效垂直起飞正确的是
A.逆风起飞， 旋翼相对气流速度增大， 单位时间内流过旋翼的空气质量增加， 旋翼产生的拉 小，则起飞载重量减小。 B.顺风起飞，为了避免尾桨打地，悬停高度较高，地面效应减弱，所以载重量将增大。 C.起飞场地的标高高 .气温高，则空气密度小，发动机功率降低，同时，单位时间内流过旋 翼的空气质量减小，旋翼效能降低。因此，起飞最大载重量要减小。 我来回答: 提交
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