单项选择题

print(123+的运行结果（）

A、123+45
B、12345
C、168
D、'123'+'45'
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When the author says 'Today that remark carries less poetic connotations,' he actually means that ______.A.the city can now boast very few poetsB.artists and writers have left for London and ParisC.the city underwent heavy bombing during the WarD.The city' s present problems obscured its glorious past
A.A.the
B.artists
C.the
D.The
单项选择题
5-4 埋弧焊焊完每层焊道都必须清除渣壳,焊剂要____。
A． 扔掉
B． 回收
C． 清除
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