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【单选题】
曲线半径R＜300m，曲线轨道轨距标准加宽（）。A.
10mm
B.
15mm
C.
2mm
D.
5mm
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反馈参考答案：
举一反三
【简答题】Unit 2 Satisfaction Guaranteed? I. Read the following passage again and finish the following reading tasks. Larry Belmont worked for a company that made robots. Recently it had begun experimenting wit...
【单选题】肺循环血量增多，体循环血流减少，胸部透视有肺门“舞蹈”征的先天性心脏病是（ ）。
A.
室间隔缺损
B.
房间隔缺损
C.
主动脉骑跨
D.
左心室肥厚
E.
肺动脉狭窄
【单选题】I wouldn't read the book _____ who recommends it.
A.
regardless of
B.
since
C.
no matter
D.
for
【简答题】Henry found a job in a bookstore after he finished middle school. He wouldn't do anything but wanted to get rich. It was a cold morning. It _______ （snow） and there was thin ice on the streets. Few pe...
【简答题】餐饮产品销售服务的质量集中表现为 。
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【单选题】I wouldn't read the book _____ who recommends it.
A.
regardless of
B.
since
C.
no matter
D.
for
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