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【判断题】
在大电流接地系统中，故障点的零序电压最高，变压器中性处的零序电压为零（）A.
正确
B.
错误
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举一反三
【多选题】在住宅中,为满足日常使用,设置电梯应符合的要求是( )。
A.
7层及7层以上住宅或住户入口层楼面距室外设计地面超过15m以上的住宅,必须设电梯
B.
12层及12层以上的住宅,设置电梯不应少于两台,其中配置一台可容纳担架的电梯
C.
高层住宅电梯宜每层设站,当住宅电梯非每层设站时,不设站的层数不应超过两层
D.
塔式和通廊式高层住宅电梯宜成组集中布置
E.
单元式高层住宅每单元只设一部电梯时,应避免采用联系廊联通
【简答题】central fovea
【简答题】N and P are points on the number line below 20. Is P closer to 10 than N is? (1) P is greater than the average of 10 and N. (2)
【单选题】Could you please tell me _____? [ ]
A.
where the Grand Central Station is
B.
how far the Grand Central Station was
C.
how can we get to the Grand Central Station
D.
when was the Grand Central Station built
【判断题】Points outside the production possibilities frontier represent infeasible levels of production.
A.
正确
B.
错误
【单选题】The public's hostility to the existence of a central bank led to the demise of the first two experiments in central banking: _____________.
A.
the First Central Bank of the United States and the Second Central Bank of the United States.
B.
the First Bank of North America and the Second Bank of North America.
C.
the First Bank of the United States and the Central Bank of the United States.
D.
the First Bank of the United States and the Second Bank of the United States
【简答题】中枢延搁(central delay)
【简答题】Error correction. ( 15 points ) One day, Mary stopped outside the shoe-shop and looked into the 小题1:_______ window. For some times, she fixed her eyes on a pair of high boots 小题2:_______ on display. “...
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