问题
单项选择题
铺设的轨道,应按轨道中心线拨正,直线目视直顺,曲线目视圆顺,轨道中心线不超过设计的()
A、+20mm
B、+30mm
C、+50mm
答案
参考答案:C
铺设的轨道,应按轨道中心线拨正,直线目视直顺,曲线目视圆顺,轨道中心线不超过设计的()
A、+20mm
B、+30mm
C、+50mm
参考答案:C
完形填空。 | |||
A: Hello! Li Ming. B: Hi! Wu Dong. 1___________ is Li Lei. 2___________ is my friend. A: Nice to 3___________ you, Li Lei. C: Nice to meet you, 4___________. A: Today is my 5___________. I will 6___________ a birthday party. Will you 7___________ to my birthday party? C: Sure. Happy birthday 8___________ you.
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