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【单选题】
框架法施工图中原位标注内容有A.
梁编号
B.
梁支座上部钢筋
C.
梁箍筋
D.
梁截面尺寸
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反馈参考答案：
举一反三
【简答题】进站信号机外方,列车运行速度不超过120km/h的区段设置( )信号机,列车运行速度超过120km/h的区段设置( )信号机。
【单选题】列车运行速度不超过120km/h的区段，当预告信号机的显示距离不足400m时，预告信号机与其主体信号机的安装距离不得小于( )m。
A.
600
B.
800
C.
1000
D.
1200
【简答题】为下列图片选择正确的句子。 ( ) 1. A. It's four. Time to go home. ( ) 2. B. It's two. Time for class.
【简答题】根据上句，选出正确的应答 1. What's the time, Su Yang? [ ] A. It's seven o'clock. B. It's time to go home. 2. It's time to go to school. [ ] A. Good moming. B. OK. Goodbye, Mum. 3. What's this in your sch...
【简答题】选出你所听到的句子。 ( ) 1. A. It's rainy today. B. It's windy today. ( ) 2. A. Time to go to school. B. Time for school. ( ) 3. A. These are my boots. B. These are my socks. ( ) 4. A. I usually...
【简答题】听录音，选择答语。 ( ) 1. A. Yes, it is. ( ) 2. A. It's nine o'clock. ( ) 3. A. It's blue. ( ) 4. A. It's on the first floor. ( ) 5. A. Yes. B. No, he isn't. B. It's time for P. E. class. B...
相关题目：
【单选题】列车运行速度不超过120km/h的区段，当预告信号机的显示距离不足400m时，预告信号机与其主体信号机的安装距离不得小于( )m。
A.
600
B.
800
C.
1000
D.
1200
参考解析：
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