题目内容

国际篮球联合全（FIBA）于1932年在（）成立。

A. 瑞士
B. 美国
C. 英国
D. 瑞典

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篮球裁判员严格执行的“三个一致”原则是（）。

A. 主裁副裁一致，思想一致，判罚尺度一致
B. 主裁副裁一致，主队客队一致，判罚尺度一致
C. 主队客队一致，思想一致，判罚尺度一致
D. 主裁副裁一致，主队客队一致，比赛前后一致

An oscilloscope is easily the most useful instrument available for testing circuits because it allows you to monitor signals at the input and output of each system.

A. 对
B. 错

An oscilloscope shows you how voltage varies with time. It plots a voltage against time graph on the screen. The y-axis is voltage and the X-axis is time. This is most useful when you look at varying voltages.

A. 对
B. 错

TIME/DIV stands for "Time per Division". When this is set to 1 second, it means that the dot will move from left to right,taking 10 seconds to move across the screen(if there are 10 division horizontally on the screen)

A. 对
B. 错