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【单选题】
我们用下面这份心理测验问卷在文秘专业和信用管理专业三个年级学生中进行了调查,参与此次测验的学生共计 208 位,调查结果的数据保存在“学生心理测验新 .sav ”中,请用 SPSS 软件完成以下分析。 数据下载: 学生心理测验2014新.sav 第2题:全部测试学生心理测验的平均得分、最高得分和最低得分分别是多少?A.
平均得分=29.53分；最低分=23分；最高分=36分
B.
平均得分=34.77分；最低分=22分；最高分=42分
C.
平均得分=29.77分；最低分=22分；最高分=36分
D.
平均得分=34.53分；最低分=23分；最高分=42分
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【单选题】听力原文： The idea of fighting a noise by making more noise sounds strange, but that's exactly what motor engineers are doing in Germany and some other countries. Carmaker's research and development labor...
A.
By mixing high frequency sound waves with low frequency sound waves.
B.
By producing pressure waves going in the opposite direction.
C.
By mixing new sound waves with the noise and sending them out together.
D.
By making copies of the unwanted sound waves and letting them out a little later.
【简答题】The equivalent circuit of induction motor is shown as following figure. A 400V, 60Hz, six-pole, 25hp, Y-connected induction motor has the following impedances in ohms per phase referred to the stator ...
【单选题】在主配电板的负载屏上装有______。
A.
A． 兆欧表、绝缘指示灯、整步表
B.
整步表、同步指示灯、兆欧表
C.
岸电开关、绝缘指示灯、整步表
D.
兆欧表、绝缘指示灯、岸电开关
【单选题】P art II I Vocabulary 1. He gave an ___ shudder when asked to hold the snake.
A.
expressive
B.
extensive
C.
expressing
D.
exclusive
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