问题
单项选择题
双块式轨枕细骨料采用硬质洁净的天然中粗河砂,细度模数范围为()。
A、2.0~3.0
B、1.6~2.6
C、2.6~3.0
答案
参考答案:C
双块式轨枕细骨料采用硬质洁净的天然中粗河砂,细度模数范围为()。
A、2.0~3.0
B、1.6~2.6
C、2.6~3.0
参考答案:C
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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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