25T型客车检修规程规定：轴温报警器轴温显示正常，同侧误差小于（）
A.1℃
B.2℃
C.3℃
D.5℃
参考答案：D
我国经济重心何时移到南方？此时南方经济发达的表现是什么？
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Alice had a wonderful time yesterday, ______? [ ]
A. hadn't she
B. wasn't she
C. didn't she
D. wouldn't she
