题目内容

At first the author looked upon life as a process of getting. He formed this view of life probably because ______.

A. of most people
B. he was similar to most people in looks
C. of his early education
D. he was brought up to like most people

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交流铁芯线圈的匝数固定，当电源频率不变时，则铁芯中主磁通的最大值基本上决定于（）。

A. 铁芯的磁导率
B. 电源电压
C. 线圈匝数
D. 线圈阻抗

某三相异步电动机额定运行时的转速为1440转/分钟，电源频率为50Hz，此时转子电流的频率为（）Hz。

A. 2
B. 50
C. 47
D. 3

狭义的翻译过程仅指，主要包括，和。

广义的翻译过程可以分为、和__ 。