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举一反三
【单选题】单相半控桥整流电路的两只晶闸管的触发脉冲依次应相差(      )
A.
180°
B.
60°
C.
360°
D.
120°
【单选题】What is worth noting from the example of Athens County is that ______.
A.
greater efforts should be made to improve people's living standards
B.
70 per cent of the people there have been employed for two years
C.
60 per cent of the population no longer relies on welfare
D.
the living standards of most people are going down
【单选题】砌体结构最适合( )。
A.
受压构件
B.
受弯构件
C.
受拉构件
D.
受扭构件
【判断题】砌体结构最适合用于大跨度的公共建筑。()
A.
正确
B.
错误
【简答题】汉语 方言 大致 可 以分 为七大 方 言区 ,即 ________、 ________、 ________、 ________、 ________、 ________和 ________。
【判断题】维度表中的属性之间如果在语义上存在包含和被包含的关系,这些属性称为维度层,简称维层。
A.
正确
B.
错误
【单选题】产生流动性偏好的主要动机不包括
A.
交易动机
B.
投机动机
C.
预防动机
D.
消费欲望
【单选题】砌体结构最适合建造( )。
A.
多层住宅
B.
大型厂房
C.
体育馆
D.
高层公寓
【单选题】What is worth noting from the example of Athens County is that ______.
A.
greater efforts should be made to improve people's living standards
B.
70 percent of the people there have been employed for two years
C.
40 percent of the population no longer relies on welfare
D.
the living standards of most people are going down
【简答题】What is worth noting from the example of Athens County is that ________. A) greater efforts should be made to improve people’s living standards B) 70 percent of the people there have been employed for...
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