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【单选题】
集中体现社会主义精神文明建设的性质和方向的是(    )。
A.
社会主义思想道德建设    
B.
教育科学文化建设
C.
马克思主义的理论建设
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举一反三
【单选题】if a speaker uses a simple example of the well-known Golden Gate Bridge when illustrating the topic of suspension bridge, what is his purpose by doing so?
A.
make his speech vivid
B.
make his delivery more touching and powerful
C.
use example to clarify his idea
D.
use example to reinforce his idea
【单选题】在船舶中央空调的夏季降温工况中,保持合适舱室温度的措施中不包括()。
A.
采用两组或以上的冷剂电磁阀及热力膨胀阀为同一台空冷器供制冷剂
B.
回风温度控制冷剂电磁阀的开闭
C.
根据空冷器中的冷剂蒸发压力对压缩机进行能量调节
D.
采用空气自动加湿环节
【单选题】在以氨作为制冷剂的系统中,下列空调工况有一错误的参数是()。
A.
蒸发温度+5℃
B.
吸气温度+10℃
C.
冷凝温度+40℃
D.
冷冻水温度+5℃
【单选题】空调标准工况中的蒸发温度为( )。
A.
- 15 ℃
B.
- 5 ℃
C.
0 ℃
D.
5 ℃
【单选题】what is the meaning for phrases "multi-link suspension "?
A.
制动系统管路
B.
专用接头
C.
制动液
D.
多连杆悬架
【单选题】空调工况中的蒸发温度为(    )。
A.
- 15 ℃
B.
- 5 ℃
C.
0 ℃
D.
5 ℃
【单选题】...标签的作用是()
A.
加粗
B.
斜体
C.
下划线
D.
上划线
【单选题】《红楼梦》中的薛宝钗属于什么气质类型
A.
抑郁质
B.
多血质
C.
胆汁质
D.
粘液质
【单选题】Consider the following experiment. Carefully isolated liver mitochondria are placed in a weakly buffered solution. Malate is added as an energy source, and an increase in oxygen consumption confirms t...
A.
The proton motive force will be reduced to a value of zero.
B.
There will be no change in the proton motive force.
C.
The proton motive force will be increased.
D.
The proton motive force will be decreased but to a value greater than zero.
E.
The proton motive force will be decreased to a value less than zero.
【单选题】A thin rod whose length L is 12.4cm and whose mass m is 135g, suspended at its midpoint from a long wire. Its period T a of angular SHM is to be 2.53s. An irregularly shaped object X is then hung from...
A.
6.12x10 -4 g.m 2
B.
6.12x10 -4 kg.m 2
C.
6.12x10 -5 kg.m 2
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