2022知到答案 铁路通信信号与列车运行控制(交通运输微专业) 最新知到智慧树满分章节测试答案
第一章 单元测试
1、 问题:当预告或主体信号机的显示距离不足400m时,为了让司机预先有足够的时间确认信号,规定预告信号机距主体信号机不得少于( )m。
选项:
A:600
B:800
C:1000
D:1200
答案: 【
1000
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1、 问题:当预告或主体信号机的显示距离不足400m时,为了让司机预先有足够的时间确认信号,规定预告信号机距主体信号机不得少于( )m。
选项:
A:600
B:800
C:1000
D:1200
答案: 【
1000
】 点我阅读全文
1、 问题:The significance of knowing about the fundamental character of Chinese culture lies in( ).
选项:
A:to nourish ideas for culture identity
B:to take history as a mirror for culture innovation
C:to cultivate moral character and strive forward in a right way for cultural revival
D:to learn Chinese culture
答案: 【
to nourish ideas for culture identity
to take history as a mirror for culture innovation
to cultivate moral character and strive forward in a right way for cultural revival
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1、 问题:The purpose of break-even analysis is to determine the number of units of a product to sell or produce that will equate total revenue with total cost. At the break-even point, the profit is ( ) zero.
选项:
A:more than
B:less than
C:equal to
答案: 【
equal to
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