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【单选题】
有关电力电容器性能中的损耗角正切与有关损耗的关系描述正确得为( )。A.
损耗角正切越大，电容器相对有功损耗越小。
B.
损耗角正切越大，电容器相对有功损耗越大。
C.
损耗角正切越大，电容器发热较轻。
D.
损耗角正切不会随外施温度有所变化。
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【单选题】法律的( )主要表现为公民等法律主体必须实施某种行为或者不实施某种行为,以及公民等法律主体实施违法行为后应当受到的惩罚。
A.
指引作用
B.
评价作用
C.
预测作用
D.
强制作用
【单选题】以下将素材放置到时间线窗口中描述正确的是哪项
A.
按住鼠标左键将其拖曳到时间线窗口中
B.
双击项目窗口中的素材文件
C.
使用快捷键Ctrl+V
D.
在时间线窗口中单击鼠标右键
【单选题】What was NOT the status of the young Americans in 1950s?
A.
They were aggressive and ambitious.
B.
They were feeling hopeless and living a meaningless life.
C.
They were unsatisfied with their life.
D.
They were dishonest.
【单选题】The following is an abstract, consisting of 5 sentences. Which element does Sentence ④describe?Abstract: ①Research on exposure to television and movie violence suggests that playing violent video game...
A.
the key results or findings
B.
background information
C.
the methods
D.
the main conclusion
【简答题】Boys' schools are the perfect place to teach
young men to express their emotions and are more likely to get involved in
activities such as art, dance and music, according to research released today. F...
【简答题】Boys’ schools are the perfect place to teach young men to express their emotions and are more likely to get involved in activities such as art, dance and music, according to research released today. F...
【简答题】Reading Comprehension Boys' schools are the perfect place to teach young men to express their emotions and are more likely to get involved in activities such as art, dance and music, according to rese...
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