搜题请搜索小程序“爱下问搜题”
问题 判断题

《铁路工务安全规则》邻线（线间距小于在6.5m）来车下道规定：本线封锁时，邻线速度120km/h＜υmax≤160km/h时，邻线来车可不下道，但必须停止作。

答案

参考答案：对

单项选择题

The United States is not usually thought of as a nation of parakeet lovers. Yet in a census of parakeet owners in selected comparable countries, the United States ranked second, with eleven parakeet owners per hundred people. The conclusion can be drawn from this that people in the United States are more likely to own parakeets than are people in most other countries.
Knowledge of which of the following would be most useful in judging the accuracy of the conclusion

A．The number of parakeets in the United States.

B．The number of parakeet owners in the United States.

C．The number of parakeet owners per hundred people in the country that ranked first in the census.

D．The number of parakeet owners in the United States compared to the numbers of owners of other pet birds in the United States.

E．(E) The numbers of parakeet owners per hundred people in the countries not included in the census.
查看答案
单项选择题

在品牌定位时必须遵守其原则，否则将影响品牌战略的( )，也不可能获得品牌效益。

A．可行性
B．操作性
C．预期性
D．价值性
查看答案