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【判断题】
接触点焊属于埋弧焊的一种。A.
正确
B.
错误
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【简答题】I arrived in London at last. The railway station was big, black and dark. I did not know the way to my hotel, so I asked a porter(搬运工). I not only spoke English very carefully, but very clearly as we...
【简答题】阅读程序框图, 该程序运行后输出的 的值为
【简答题】____________就是铁路的“大交警”。
【单选题】在浮子式辅锅炉水位控制系统中，两个永久磁铁是_____的 。当水位在允许的上、下限内波动时，调节板_____。
A.
异极性 / 动作
B.
同极性 / 不动
C.
异极性 / 不动
D.
同极性 / 动作
【简答题】I arrived in London __________.
【简答题】I arrived at the bus station much too early for the London bus, which was not to leave until five to twelve. I pushed through the crowds, looking for somewhere to sit down. Scores of people were stand...
【单选题】中国高铁的飞速发展，使国人在短暂的假期中都能实现一场“说走就走”的旅行。铁路交通的变革给人民的生活带来巨大的变化，最早为铁路发展作出巨大贡献的人物是
A.
斯蒂芬森
B.
爱迪生
C.
本茨
D.
莱特兄弟
【简答题】I spent most of my summer holidays travel in London. I arrived there in middle of July. After reaching my sister’s apartment I got many sleep. The next day I went to St Paul’s Cathedral, an amazing mo...
【简答题】听短文，填表格。 A Visit to London Time Activities Monday Jenny and I arrived in London by 1______. Tuesday …I bought some 2______ but Jenny didn't buy anything. Wednesday We visited the British Museum and ha...
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