问题
单项选择题
货车装车的重心高从钢轨面起算，一般不能超过（）。
A、2500mm
B、2000mm
C、3000mm
D、1500mm
答案
参考答案：B
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货车装车的重心高从钢轨面起算，一般不能超过（）。
A、2500mm
B、2000mm
C、3000mm
D、1500mm
参考答案：B
| 请先阅读下面短文，掌握其大意，然后将下面方框的选项选择并还原到文章中，使短文意思通顺、结构完整。 | |
| Lucy is Jame's sister. She is good-looking with short hair. She doesn't have children. 1. She is only twenty-three. And she doesn't live in Britain. 2. She works in a travel agency (旅行社) in Rome. She doesn't get up early. She goes to work at 10:00 a.m. 3. She has a sandwich for lunch in a small restaurant. She goes home at 7:00 p.m. She likes her job, 4. On weekends, she visits her parents, 5.
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